From patchwork Mon Feb 7 03:09:54 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Airlie X-Patchwork-Id: 537051 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p173ALR0018800 for ; Mon, 7 Feb 2011 03:10:43 GMT Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id ADEF49E760 for ; Sun, 6 Feb 2011 19:10:20 -0800 (PST) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by gabe.freedesktop.org (Postfix) with ESMTP id 7A5D69E746 for ; Sun, 6 Feb 2011 19:09:58 -0800 (PST) Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id p1739vBi010541 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Sun, 6 Feb 2011 22:09:57 -0500 Received: from clockmaker-el6.bne.redhat.com (dhcp-0-222.bne.redhat.com [10.64.0.222]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id p1739tQh021101 for ; Sun, 6 Feb 2011 22:09:56 -0500 From: Dave Airlie To: dri-devel@lists.freedesktop.org Subject: [PATCH 1/2] drm: rework PCI/platform driver interface. Date: Mon, 7 Feb 2011 13:09:54 +1000 Message-Id: <1297048195-21393-1-git-send-email-airlied@gmail.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org Errors-To: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Mon, 07 Feb 2011 03:11:00 +0000 (UTC) diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 3e99198..0d04914 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -237,49 +237,6 @@ int drm_lastclose(struct drm_device * dev) return 0; } -/** - * Module initialization. Called via init_module at module load time, or via - * linux/init/main.c (this is not currently supported). - * - * \return zero on success or a negative number on failure. - * - * Initializes an array of drm_device structures, and attempts to - * initialize all available devices, using consecutive minors, registering the - * 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) -{ - DRM_DEBUG("\n"); - INIT_LIST_HEAD(&driver->device_list); - - if (driver->driver_features & DRIVER_USE_PLATFORM_DEVICE) - return drm_platform_init(driver); - else - return drm_pci_init(driver); -} - -EXPORT_SYMBOL(drm_init); - -void drm_exit(struct drm_driver *driver) -{ - struct drm_device *dev, *tmp; - DRM_DEBUG("\n"); - - if (driver->driver_features & DRIVER_MODESET) { - pci_unregister_driver(&driver->pci_driver); - } else { - list_for_each_entry_safe(dev, tmp, &driver->device_list, driver_item) - drm_put_dev(dev); - } - - DRM_INFO("Module unloaded\n"); -} - -EXPORT_SYMBOL(drm_exit); - /** File operations structure */ static const struct file_operations drm_stub_fops = { .owner = THIS_MODULE, diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c index 3cdbaf3..812aaac 100644 --- a/drivers/gpu/drm/drm_info.c +++ b/drivers/gpu/drm/drm_info.c @@ -47,30 +47,19 @@ int drm_name_info(struct seq_file *m, void *data) struct drm_minor *minor = node->minor; struct drm_device *dev = minor->dev; struct drm_master *master = minor->master; - + const char *bus_name; 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); - } + bus_name = dev->driver->bus->get_name(dev); + if (master->unique) { + seq_printf(m, "%s %s %s\n", + bus_name, + dev_name(dev->dev), master->unique); } else { - if (master->unique) { - seq_printf(m, "%s %s %s\n", - dev->driver->pci_driver.name, - dev_name(dev->dev), master->unique); - } else { - seq_printf(m, "%s %s\n", dev->driver->pci_driver.name, - dev_name(dev->dev)); - } + seq_printf(m, "%s %s\n", + bus_name, dev_name(dev->dev)); } - return 0; } diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index 47db4df..1174905 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -96,7 +96,7 @@ int drm_setunique(struct drm_device *dev, void *data, { struct drm_unique *u = data; struct drm_master *master = file_priv->master; - int domain, bus, slot, func, ret; + int ret; if (master->unique_len || master->unique) return -EBUSY; @@ -104,50 +104,12 @@ int drm_setunique(struct drm_device *dev, void *data, if (!u->unique_len || u->unique_len > 1024) return -EINVAL; - master->unique_len = u->unique_len; - master->unique_size = u->unique_len + 1; - master->unique = kmalloc(master->unique_size, GFP_KERNEL); - if (!master->unique) { - ret = -ENOMEM; - goto err; - } - - if (copy_from_user(master->unique, u->unique, master->unique_len)) { - ret = -EFAULT; - goto err; - } - - master->unique[master->unique_len] = '\0'; - - dev->devname = kmalloc(strlen(dev->driver->pci_driver.name) + - strlen(master->unique) + 2, GFP_KERNEL); - if (!dev->devname) { - ret = -ENOMEM; - goto err; - } - - sprintf(dev->devname, "%s@%s", dev->driver->pci_driver.name, - master->unique); - - /* Return error if the busid submitted doesn't match the device's actual - * busid. - */ - ret = sscanf(master->unique, "PCI:%d:%d:%d", &bus, &slot, &func); - if (ret != 3) { - ret = -EINVAL; - goto err; - } - - domain = bus >> 8; - bus &= 0xff; + if (!dev->driver->bus->set_unique) + return -EINVAL; - if ((domain != drm_get_pci_domain(dev)) || - (bus != dev->pdev->bus->number) || - (slot != PCI_SLOT(dev->pdev->devfn)) || - (func != PCI_FUNC(dev->pdev->devfn))) { - ret = -EINVAL; + ret = dev->driver->bus->set_unique(dev, master, u); + if (ret) goto err; - } return 0; @@ -159,74 +121,15 @@ err: static int drm_set_busid(struct drm_device *dev, struct drm_file *file_priv) { struct drm_master *master = file_priv->master; - int len, ret; + int ret; if (master->unique != NULL) drm_unset_busid(dev, master); - 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"); - ret = -EINVAL; - goto err; - } - - dev->devname = - kmalloc(strlen(dev->platformdev->name) + - master->unique_len + 2, GFP_KERNEL); - - if (dev->devname == NULL) { - ret = -ENOMEM; - goto err; - } - - 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", - drm_get_pci_domain(dev), - dev->pdev->bus->number, - PCI_SLOT(dev->pdev->devfn), - PCI_FUNC(dev->pdev->devfn)); - if (len >= master->unique_len) { - DRM_ERROR("buffer overflow"); - ret = -EINVAL; - goto err; - } else - master->unique_len = len; - - dev->devname = - kmalloc(strlen(dev->driver->pci_driver.name) + - master->unique_len + 2, GFP_KERNEL); - - if (dev->devname == NULL) { - ret = -ENOMEM; - goto err; - } - - sprintf(dev->devname, "%s@%s", dev->driver->pci_driver.name, - master->unique); - } - + ret = dev->driver->bus->set_busid(dev, master); + if (ret) + goto err; return 0; - err: drm_unset_busid(dev, master); return ret; diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 3dadfa2..cb49685 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -74,23 +74,13 @@ 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)) + if (!dev->driver->bus->irq_by_busid) return -EINVAL; if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) return -EINVAL; - if ((p->busnum >> 8) != drm_get_pci_domain(dev) || - (p->busnum & 0xff) != dev->pdev->bus->number || - p->devnum != PCI_SLOT(dev->pdev->devfn) || p->funcnum != PCI_FUNC(dev->pdev->devfn)) - return -EINVAL; - - p->irq = dev->pdev->irq; - - DRM_DEBUG("%d:%d:%d => IRQ %d\n", p->busnum, p->devnum, p->funcnum, - p->irq); - - return 0; + return dev->driver->bus->irq_by_busid(dev, p); } /* diff --git a/drivers/gpu/drm/drm_pci.c b/drivers/gpu/drm/drm_pci.c index f5bd9e5..e1aee4f 100644 --- a/drivers/gpu/drm/drm_pci.c +++ b/drivers/gpu/drm/drm_pci.c @@ -125,6 +125,176 @@ void drm_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah) EXPORT_SYMBOL(drm_pci_free); #ifdef CONFIG_PCI + +static int drm_get_pci_domain(struct drm_device *dev) +{ +#ifndef __alpha__ + /* For historical reasons, drm_get_pci_domain() is busticated + * on most archs and has to remain so for userspace interface + * < 1.4, except on alpha which was right from the beginning + */ + if (dev->if_version < 0x10004) + return 0; +#endif /* __alpha__ */ + + return pci_domain_nr(dev->pdev->bus); +} + +static int drm_pci_get_irq(struct drm_device *dev) +{ + return dev->pdev->irq; +} + +static const char *drm_pci_get_name(struct drm_device *dev) +{ + struct pci_driver *pdriver = dev->driver->kdriver.pci; + return pdriver->name; +} + +int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master) +{ + int len, ret; + struct pci_driver *pdriver = dev->driver->kdriver.pci; + 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", + drm_get_pci_domain(dev), + dev->pdev->bus->number, + PCI_SLOT(dev->pdev->devfn), + PCI_FUNC(dev->pdev->devfn)); + + if (len >= master->unique_len) { + DRM_ERROR("buffer overflow"); + ret = -EINVAL; + goto err; + } else + master->unique_len = len; + + dev->devname = + kmalloc(strlen(pdriver->name) + + master->unique_len + 2, GFP_KERNEL); + + if (dev->devname == NULL) { + ret = -ENOMEM; + goto err; + } + + sprintf(dev->devname, "%s@%s", pdriver->name, + master->unique); + + return 0; +err: + return ret; +} + +int drm_pci_set_unique(struct drm_device *dev, + struct drm_master *master, + struct drm_unique *u) +{ + int domain, bus, slot, func, ret; + const char *bus_name; + + master->unique_len = u->unique_len; + master->unique_size = u->unique_len + 1; + master->unique = kmalloc(master->unique_size, GFP_KERNEL); + if (!master->unique) { + ret = -ENOMEM; + goto err; + } + + if (copy_from_user(master->unique, u->unique, master->unique_len)) { + ret = -EFAULT; + goto err; + } + + master->unique[master->unique_len] = '\0'; + + bus_name = dev->driver->bus->get_name(dev); + dev->devname = kmalloc(strlen(bus_name) + + strlen(master->unique) + 2, GFP_KERNEL); + if (!dev->devname) { + ret = -ENOMEM; + goto err; + } + + sprintf(dev->devname, "%s@%s", bus_name, + master->unique); + + /* Return error if the busid submitted doesn't match the device's actual + * busid. + */ + ret = sscanf(master->unique, "PCI:%d:%d:%d", &bus, &slot, &func); + if (ret != 3) { + ret = -EINVAL; + goto err; + } + + domain = bus >> 8; + bus &= 0xff; + + if ((domain != drm_get_pci_domain(dev)) || + (bus != dev->pdev->bus->number) || + (slot != PCI_SLOT(dev->pdev->devfn)) || + (func != PCI_FUNC(dev->pdev->devfn))) { + ret = -EINVAL; + goto err; + } + return 0; +err: + return ret; +} + + +int drm_pci_irq_by_busid(struct drm_device *dev, struct drm_irq_busid *p) +{ + if ((p->busnum >> 8) != drm_get_pci_domain(dev) || + (p->busnum & 0xff) != dev->pdev->bus->number || + p->devnum != PCI_SLOT(dev->pdev->devfn) || p->funcnum != PCI_FUNC(dev->pdev->devfn)) + return -EINVAL; + + p->irq = dev->pdev->irq; + + DRM_DEBUG("%d:%d:%d => IRQ %d\n", p->busnum, p->devnum, p->funcnum, + p->irq); + return 0; +} + +int drm_pci_agp_init(struct drm_device *dev) +{ + if (drm_core_has_AGP(dev)) { + if (drm_pci_device_is_agp(dev)) + dev->agp = drm_agp_init(dev); + if (drm_core_check_feature(dev, DRIVER_REQUIRE_AGP) + && (dev->agp == NULL)) { + DRM_ERROR("Cannot initialize the agpgart module.\n"); + return -EINVAL; + } + if (drm_core_has_MTRR(dev)) { + if (dev->agp) + dev->agp->agp_mtrr = + mtrr_add(dev->agp->agp_info.aper_base, + dev->agp->agp_info.aper_size * + 1024 * 1024, MTRR_TYPE_WRCOMB, 1); + } + } + return 0; +} + +static struct drm_bus drm_pci_bus = { + .bus_type = DRIVER_BUS_PCI, + .get_irq = drm_pci_get_irq, + .get_name = drm_pci_get_name, + .set_busid = drm_pci_set_busid, + .set_unique = drm_pci_set_unique, + .agp_init = drm_pci_agp_init, +}; + /** * Register. * @@ -219,7 +389,7 @@ err_g1: EXPORT_SYMBOL(drm_get_pci_dev); /** - * PCI device initialization. Called via drm_init at module load time, + * PCI device initialization. Called direct from modules at load time. * * \return zero on success or a negative number on failure. * @@ -229,18 +399,24 @@ EXPORT_SYMBOL(drm_get_pci_dev); * 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) +int drm_pci_init(struct drm_driver *driver, struct pci_driver *pdriver) { struct pci_dev *pdev = NULL; const struct pci_device_id *pid; int i; + DRM_DEBUG("\n"); + + INIT_LIST_HEAD(&driver->device_list); + driver->kdriver.pci = pdriver; + driver->bus = &drm_pci_bus; + if (driver->driver_features & DRIVER_MODESET) - return pci_register_driver(&driver->pci_driver); + return pci_register_driver(pdriver); /* 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]; + for (i = 0; pdriver->id_table[i].vendor != 0; i++) { + pid = &pdriver->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 @@ -265,10 +441,27 @@ int drm_pci_init(struct drm_driver *driver) #else -int drm_pci_init(struct drm_driver *driver) +int drm_pci_init(struct drm_driver *driver, struct pci_driver *pdriver) { return -1; } #endif + +EXPORT_SYMBOL(drm_pci_init); + /*@}*/ +void drm_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver) +{ + struct drm_device *dev, *tmp; + DRM_DEBUG("\n"); + + if (driver->driver_features & DRIVER_MODESET) { + pci_unregister_driver(pdriver); + } else { + list_for_each_entry_safe(dev, tmp, &driver->device_list, driver_item) + drm_put_dev(dev); + } + DRM_INFO("Module unloaded\n"); +} +EXPORT_SYMBOL(drm_pci_exit); diff --git a/drivers/gpu/drm/drm_platform.c b/drivers/gpu/drm/drm_platform.c index 92d1d0f..7223f06 100644 --- a/drivers/gpu/drm/drm_platform.c +++ b/drivers/gpu/drm/drm_platform.c @@ -109,8 +109,60 @@ err_g1: } EXPORT_SYMBOL(drm_get_platform_dev); +static int drm_platform_get_irq(struct drm_device *dev) +{ + return platform_get_irq(dev->platformdev, 0); +} + +static const char *drm_platform_get_name(struct drm_device *dev) +{ + return dev->platformdev->name; +} + +static int drm_platform_set_busid(struct drm_device *dev, struct drm_master *master) +{ + int len, ret; + + 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"); + ret = -EINVAL; + goto err; + } + + dev->devname = + kmalloc(strlen(dev->platformdev->name) + + master->unique_len + 2, GFP_KERNEL); + + if (dev->devname == NULL) { + ret = -ENOMEM; + goto err; + } + + sprintf(dev->devname, "%s@%s", dev->platformdev->name, + master->unique); + return 0; +err: + return ret; +} + +static struct drm_bus drm_platform_bus = { + .bus_type = DRIVER_BUS_PLATFORM, + .get_irq = drm_platform_get_irq, + .get_name = drm_platform_get_name, + .set_busid = drm_platform_set_busid, +}; + /** - * Platform device initialization. Called via drm_init at module load time, + * Platform device initialization. Called direct from modules. * * \return zero on success or a negative number on failure. * @@ -121,7 +173,24 @@ EXPORT_SYMBOL(drm_get_platform_dev); * after the initialization for driver customization. */ -int drm_platform_init(struct drm_driver *driver) +int drm_platform_init(struct drm_driver *driver, struct platform_device *platform_device) { - return drm_get_platform_dev(driver->platform_device, driver); + DRM_DEBUG("\n"); + + driver->kdriver.platform_device = platform_device; + driver->bus = &drm_platform_bus; + INIT_LIST_HEAD(&driver->device_list); + return drm_get_platform_dev(platform_device, driver); +} +EXPORT_SYMBOL(drm_platform_init); + +void drm_platform_exit(struct drm_driver *driver, struct platform_device *platform_device) +{ + struct drm_device *dev, *tmp; + DRM_DEBUG("\n"); + + list_for_each_entry_safe(dev, tmp, &driver->device_list, driver_item) + drm_put_dev(dev); + DRM_INFO("Module unloaded\n"); } +EXPORT_SYMBOL(drm_platform_exit); diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c index d59edc1..0bf2c77 100644 --- a/drivers/gpu/drm/drm_stub.c +++ b/drivers/gpu/drm/drm_stub.c @@ -269,25 +269,14 @@ int drm_fill_in_dev(struct drm_device *dev, dev->driver = driver; - if (drm_core_has_AGP(dev)) { - if (drm_device_is_agp(dev)) - dev->agp = drm_agp_init(dev); - if (drm_core_check_feature(dev, DRIVER_REQUIRE_AGP) - && (dev->agp == NULL)) { - DRM_ERROR("Cannot initialize the agpgart module.\n"); - retcode = -EINVAL; + if (dev->driver->bus->agp_init) { + retcode = dev->driver->bus->agp_init(dev); + if (retcode) goto error_out_unreg; - } - if (drm_core_has_MTRR(dev)) { - if (dev->agp) - dev->agp->agp_mtrr = - mtrr_add(dev->agp->agp_info.aper_base, - dev->agp->agp_info.aper_size * - 1024 * 1024, MTRR_TYPE_WRCOMB, 1); - } } + retcode = drm_ctxbitmap_init(dev); if (retcode) { DRM_ERROR("Cannot allocate memory for context bitmap.\n"); @@ -425,7 +414,6 @@ int drm_put_minor(struct drm_minor **minor_p) * * Cleans up all DRM device, calling drm_lastclose(). * - * \sa drm_init */ void drm_put_dev(struct drm_device *dev) { diff --git a/drivers/gpu/drm/i810/i810_drv.c b/drivers/gpu/drm/i810/i810_drv.c index 0152fa2..6f98d05 100644 --- a/drivers/gpu/drm/i810/i810_drv.c +++ b/drivers/gpu/drm/i810/i810_drv.c @@ -64,11 +64,6 @@ static struct drm_driver driver = { .llseek = noop_llseek, }, - .pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - }, - .name = DRIVER_NAME, .desc = DRIVER_DESC, .date = DRIVER_DATE, @@ -77,6 +72,11 @@ static struct drm_driver driver = { .patchlevel = DRIVER_PATCHLEVEL, }; +static struct pci_driver i810_pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, +}; + static int __init i810_init(void) { if (num_possible_cpus() > 1) { @@ -84,12 +84,12 @@ static int __init i810_init(void) return -EINVAL; } driver.num_ioctls = i810_max_ioctl; - return drm_init(&driver); + return drm_pci_init(&driver, &i810_pci_driver); } static void __exit i810_exit(void) { - drm_exit(&driver); + drm_pci_exit(&driver, &i810_pci_driver); } module_init(i810_init); diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 17fde2f..9ad42d5 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -719,14 +719,6 @@ static struct drm_driver driver = { .llseek = noop_llseek, }, - .pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - .probe = i915_pci_probe, - .remove = i915_pci_remove, - .driver.pm = &i915_pm_ops, - }, - .name = DRIVER_NAME, .desc = DRIVER_DESC, .date = DRIVER_DATE, @@ -735,6 +727,14 @@ static struct drm_driver driver = { .patchlevel = DRIVER_PATCHLEVEL, }; +static struct pci_driver i915_pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + .probe = i915_pci_probe, + .remove = i915_pci_remove, + .driver.pm = &i915_pm_ops, +}; + static int __init i915_init(void) { if (!intel_agp_enabled) { @@ -768,12 +768,12 @@ static int __init i915_init(void) if (!(driver.driver_features & DRIVER_MODESET)) driver.get_vblank_timestamp = NULL; - return drm_init(&driver); + return drm_pci_init(&driver, &i915_pci_driver); } static void __exit i915_exit(void) { - drm_exit(&driver); + drm_pci_exit(&driver, &i915_pci_driver); } module_init(i915_init); diff --git a/drivers/gpu/drm/mga/mga_dma.c b/drivers/gpu/drm/mga/mga_dma.c index 08868ac..1e1eb1d 100644 --- a/drivers/gpu/drm/mga/mga_dma.c +++ b/drivers/gpu/drm/mga/mga_dma.c @@ -703,7 +703,7 @@ static int mga_do_pci_dma_bootstrap(struct drm_device *dev, static int mga_do_dma_bootstrap(struct drm_device *dev, drm_mga_dma_bootstrap_t *dma_bs) { - const int is_agp = (dma_bs->agp_mode != 0) && drm_device_is_agp(dev); + const int is_agp = (dma_bs->agp_mode != 0) && drm_pci_device_is_agp(dev); int err; drm_mga_private_t *const dev_priv = (drm_mga_private_t *) dev->dev_private; diff --git a/drivers/gpu/drm/mga/mga_drv.c b/drivers/gpu/drm/mga/mga_drv.c index 0aaf5f6..42d3187 100644 --- a/drivers/gpu/drm/mga/mga_drv.c +++ b/drivers/gpu/drm/mga/mga_drv.c @@ -75,10 +75,6 @@ static struct drm_driver driver = { #endif .llseek = noop_llseek, }, - .pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - }, .name = DRIVER_NAME, .desc = DRIVER_DESC, @@ -88,15 +84,20 @@ static struct drm_driver driver = { .patchlevel = DRIVER_PATCHLEVEL, }; +static struct pci_driver mga_pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, +}; + static int __init mga_init(void) { driver.num_ioctls = mga_max_ioctl; - return drm_init(&driver); + return drm_pci_init(&driver, &mga_pci_driver); } static void __exit mga_exit(void) { - drm_exit(&driver); + drm_pci_exit(&driver, &mga_pci_driver); } module_init(mga_init); diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c index f658a04..155ebdc 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.c +++ b/drivers/gpu/drm/nouveau/nouveau_drv.c @@ -408,14 +408,6 @@ static struct drm_driver driver = { #endif .llseek = noop_llseek, }, - .pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - .probe = nouveau_pci_probe, - .remove = nouveau_pci_remove, - .suspend = nouveau_pci_suspend, - .resume = nouveau_pci_resume - }, .gem_init_object = nouveau_gem_object_new, .gem_free_object = nouveau_gem_object_del, @@ -432,6 +424,15 @@ static struct drm_driver driver = { .patchlevel = DRIVER_PATCHLEVEL, }; +static struct pci_driver nouveau_pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + .probe = nouveau_pci_probe, + .remove = nouveau_pci_remove, + .suspend = nouveau_pci_suspend, + .resume = nouveau_pci_resume +}; + static int __init nouveau_init(void) { driver.num_ioctls = nouveau_max_ioctl; @@ -449,7 +450,7 @@ static int __init nouveau_init(void) return 0; nouveau_register_dsm_handler(); - return drm_init(&driver); + return drm_pci_init(&driver, &nouveau_pci_driver); } static void __exit nouveau_exit(void) @@ -457,7 +458,7 @@ static void __exit nouveau_exit(void) if (!nouveau_modeset) return; - drm_exit(&driver); + drm_pci_exit(&driver, &nouveau_pci_driver); nouveau_unregister_dsm_handler(); } diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c index 26347b7..123969d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_mem.c +++ b/drivers/gpu/drm/nouveau/nouveau_mem.c @@ -480,7 +480,7 @@ nouveau_mem_gart_init(struct drm_device *dev) dev_priv->gart_info.type = NOUVEAU_GART_NONE; #if !defined(__powerpc__) && !defined(__ia64__) - if (drm_device_is_agp(dev) && dev->agp && nouveau_agpmode) { + if (drm_pci_device_is_agp(dev) && dev->agp && nouveau_agpmode) { ret = nouveau_mem_init_agp(dev); if (ret) NV_ERROR(dev, "Error initialising AGP: %d\n", ret); diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c index a54fc43..2148d01 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -1103,9 +1103,9 @@ int nouveau_ioctl_getparam(struct drm_device *dev, void *data, getparam->value = dev->pci_device; break; case NOUVEAU_GETPARAM_BUS_TYPE: - if (drm_device_is_agp(dev)) + if (drm_pci_device_is_agp(dev)) getparam->value = NV_AGP; - else if (drm_device_is_pcie(dev)) + else if (drm_pci_device_is_pcie(dev)) getparam->value = NV_PCIE; else getparam->value = NV_PCI; diff --git a/drivers/gpu/drm/r128/r128_drv.c b/drivers/gpu/drm/r128/r128_drv.c index 18c3c71..b9e8efd 100644 --- a/drivers/gpu/drm/r128/r128_drv.c +++ b/drivers/gpu/drm/r128/r128_drv.c @@ -71,10 +71,7 @@ static struct drm_driver driver = { #endif .llseek = noop_llseek, }, - .pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - }, + .name = DRIVER_NAME, .desc = DRIVER_DESC, @@ -89,16 +86,21 @@ int r128_driver_load(struct drm_device *dev, unsigned long flags) return drm_vblank_init(dev, 1); } +static struct pci_driver r128_pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, +}; + static int __init r128_init(void) { driver.num_ioctls = r128_max_ioctl; - return drm_init(&driver); + return drm_pci_init(&driver, &r128_pci_driver); } static void __exit r128_exit(void) { - drm_exit(&driver); + drm_pci_exit(&driver, &r128_pci_driver); } module_init(r128_init); diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c index eb6b9ee..3d599e3 100644 --- a/drivers/gpu/drm/radeon/radeon_cp.c +++ b/drivers/gpu/drm/radeon/radeon_cp.c @@ -2113,9 +2113,9 @@ int radeon_driver_load(struct drm_device *dev, unsigned long flags) break; } - if (drm_device_is_agp(dev)) + if (drm_pci_device_is_agp(dev)) dev_priv->flags |= RADEON_IS_AGP; - else if (drm_device_is_pcie(dev)) + else if (drm_pci_device_is_pcie(dev)) dev_priv->flags |= RADEON_IS_PCIE; else dev_priv->flags |= RADEON_IS_PCI; diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index ca1b7d4..8a0df3d 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -238,11 +238,6 @@ static struct drm_driver driver_old = { .llseek = noop_llseek, }, - .pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - }, - .name = DRIVER_NAME, .desc = DRIVER_DESC, .date = DRIVER_DATE, @@ -349,15 +344,6 @@ static struct drm_driver kms_driver = { #endif }, - .pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - .probe = radeon_pci_probe, - .remove = radeon_pci_remove, - .suspend = radeon_pci_suspend, - .resume = radeon_pci_resume, - }, - .name = DRIVER_NAME, .desc = DRIVER_DESC, .date = DRIVER_DATE, @@ -367,15 +353,32 @@ static struct drm_driver kms_driver = { }; static struct drm_driver *driver; +static struct pci_driver *pdriver; + +static struct pci_driver radeon_pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, +}; + +static struct pci_driver radeon_kms_pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + .probe = radeon_pci_probe, + .remove = radeon_pci_remove, + .suspend = radeon_pci_suspend, + .resume = radeon_pci_resume, +}; static int __init radeon_init(void) { driver = &driver_old; + pdriver = &radeon_pci_driver; driver->num_ioctls = radeon_max_ioctl; #ifdef CONFIG_VGA_CONSOLE if (vgacon_text_force() && radeon_modeset == -1) { DRM_INFO("VGACON disable radeon kernel modesetting.\n"); driver = &driver_old; + pdriver = &radeon_pci_driver; driver->driver_features &= ~DRIVER_MODESET; radeon_modeset = 0; } @@ -393,18 +396,19 @@ static int __init radeon_init(void) if (radeon_modeset == 1) { DRM_INFO("radeon kernel modesetting enabled.\n"); driver = &kms_driver; + pdriver = &radeon_kms_pci_driver; driver->driver_features |= DRIVER_MODESET; driver->num_ioctls = radeon_max_kms_ioctl; radeon_register_atpx_handler(); } /* if the vga console setting is enabled still * let modprobe override it */ - return drm_init(driver); + return drm_pci_init(driver, pdriver); } static void __exit radeon_exit(void) { - drm_exit(driver); + drm_pci_exit(driver, pdriver); radeon_unregister_atpx_handler(); } diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 8387d32..4057ebf 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -58,9 +58,9 @@ int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags) dev->dev_private = (void *)rdev; /* update BUS flag */ - if (drm_device_is_agp(dev)) { + if (drm_pci_device_is_agp(dev)) { flags |= RADEON_IS_AGP; - } else if (drm_device_is_pcie(dev)) { + } else if (drm_pci_device_is_pcie(dev)) { flags |= RADEON_IS_PCIE; } else { flags |= RADEON_IS_PCI; diff --git a/drivers/gpu/drm/savage/savage_drv.c b/drivers/gpu/drm/savage/savage_drv.c index fa64d25..6464490 100644 --- a/drivers/gpu/drm/savage/savage_drv.c +++ b/drivers/gpu/drm/savage/savage_drv.c @@ -55,11 +55,6 @@ static struct drm_driver driver = { .llseek = noop_llseek, }, - .pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - }, - .name = DRIVER_NAME, .desc = DRIVER_DESC, .date = DRIVER_DATE, @@ -68,15 +63,20 @@ static struct drm_driver driver = { .patchlevel = DRIVER_PATCHLEVEL, }; +static struct pci_driver savage_pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, +}; + static int __init savage_init(void) { driver.num_ioctls = savage_max_ioctl; - return drm_init(&driver); + return drm_pci_init(&driver, &savage_pci_driver); } static void __exit savage_exit(void) { - drm_exit(&driver); + drm_pci_exit(&driver, &savage_pci_driver); } module_init(savage_init); diff --git a/drivers/gpu/drm/sis/sis_drv.c b/drivers/gpu/drm/sis/sis_drv.c index 4caf5d0..46d5be6 100644 --- a/drivers/gpu/drm/sis/sis_drv.c +++ b/drivers/gpu/drm/sis/sis_drv.c @@ -82,10 +82,6 @@ static struct drm_driver driver = { .fasync = drm_fasync, .llseek = noop_llseek, }, - .pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - }, .name = DRIVER_NAME, .desc = DRIVER_DESC, @@ -95,15 +91,20 @@ static struct drm_driver driver = { .patchlevel = DRIVER_PATCHLEVEL, }; +static struct pci_driver sis_pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, +}; + static int __init sis_init(void) { driver.num_ioctls = sis_max_ioctl; - return drm_init(&driver); + return drm_pci_init(&driver, &sis_pci_driver); } static void __exit sis_exit(void) { - drm_exit(&driver); + drm_pci_exit(&driver, &sis_pci_driver); } module_init(sis_init); diff --git a/drivers/gpu/drm/tdfx/tdfx_drv.c b/drivers/gpu/drm/tdfx/tdfx_drv.c index b70fa91..8bf9881 100644 --- a/drivers/gpu/drm/tdfx/tdfx_drv.c +++ b/drivers/gpu/drm/tdfx/tdfx_drv.c @@ -52,10 +52,6 @@ static struct drm_driver driver = { .fasync = drm_fasync, .llseek = noop_llseek, }, - .pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - }, .name = DRIVER_NAME, .desc = DRIVER_DESC, @@ -65,14 +61,19 @@ static struct drm_driver driver = { .patchlevel = DRIVER_PATCHLEVEL, }; +static struct pci_driver tdfx_pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, +}; + static int __init tdfx_init(void) { - return drm_init(&driver); + return drm_pci_init(&driver, &tdfx_pci_driver); } static void __exit tdfx_exit(void) { - drm_exit(&driver); + drm_pci_exit(&driver, &tdfx_pci_driver); } module_init(tdfx_init); diff --git a/drivers/gpu/drm/via/via_drv.c b/drivers/gpu/drm/via/via_drv.c index e1ff4e7..920a552 100644 --- a/drivers/gpu/drm/via/via_drv.c +++ b/drivers/gpu/drm/via/via_drv.c @@ -62,10 +62,6 @@ static struct drm_driver driver = { .fasync = drm_fasync, .llseek = noop_llseek, }, - .pci_driver = { - .name = DRIVER_NAME, - .id_table = pciidlist, - }, .name = DRIVER_NAME, .desc = DRIVER_DESC, @@ -75,16 +71,21 @@ static struct drm_driver driver = { .patchlevel = DRIVER_PATCHLEVEL, }; +static struct pci_driver via_pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, +}; + static int __init via_init(void) { driver.num_ioctls = via_max_ioctl; via_init_command_verifier(); - return drm_init(&driver); + return drm_pci_init(&driver, &via_pci_driver); } static void __exit via_exit(void) { - drm_exit(&driver); + drm_pci_exit(&driver, &via_pci_driver); } module_init(via_init); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 10ca97e..96949b9 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -909,15 +909,6 @@ static struct drm_driver driver = { #endif .llseek = noop_llseek, }, - .pci_driver = { - .name = VMWGFX_DRIVER_NAME, - .id_table = vmw_pci_id_list, - .probe = vmw_probe, - .remove = vmw_remove, - .driver = { - .pm = &vmw_pm_ops - } - }, .name = VMWGFX_DRIVER_NAME, .desc = VMWGFX_DRIVER_DESC, .date = VMWGFX_DRIVER_DATE, @@ -926,6 +917,16 @@ static struct drm_driver driver = { .patchlevel = VMWGFX_DRIVER_PATCHLEVEL }; +static struct pci_driver vmw_pci_driver = { + .name = VMWGFX_DRIVER_NAME, + .id_table = vmw_pci_id_list, + .probe = vmw_probe, + .remove = vmw_remove, + .driver = { + .pm = &vmw_pm_ops + } +}; + static int vmw_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { return drm_get_pci_dev(pdev, ent, &driver); @@ -934,7 +935,7 @@ static int vmw_probe(struct pci_dev *pdev, const struct pci_device_id *ent) static int __init vmwgfx_init(void) { int ret; - ret = drm_init(&driver); + ret = drm_pci_init(&driver, &vmw_pci_driver); if (ret) DRM_ERROR("Failed initializing DRM.\n"); return ret; @@ -942,7 +943,7 @@ static int __init vmwgfx_init(void) static void __exit vmwgfx_exit(void) { - drm_exit(&driver); + drm_pci_exit(&driver, &vmw_pci_driver); } module_init(vmwgfx_init); diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 3cbe7a0..a99aefb 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -145,7 +145,10 @@ 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 + +#define DRIVER_BUS_PCI 0x1 +#define DRIVER_BUS_PLATFORM 0x2 +#define DRIVER_BUS_USB 0x3 /***********************************************************************/ /** \name Begin the DRM... */ @@ -698,6 +701,19 @@ struct drm_master { #define DRM_SCANOUTPOS_INVBL (1 << 1) #define DRM_SCANOUTPOS_ACCURATE (1 << 2) +struct drm_bus { + int bus_type; + int (*get_irq)(struct drm_device *dev); + const char *(*get_name)(struct drm_device *dev); + int (*set_busid)(struct drm_device *dev, struct drm_master *master); + int (*set_unique)(struct drm_device *dev, struct drm_master *master, + struct drm_unique *unique); + int (*irq_by_busid)(struct drm_device *dev, struct drm_irq_busid *p); + /* hooks that are for PCI */ + int (*agp_init)(struct drm_device *dev); + +}; + /** * DRM driver structure. This structure represent the common code for * a family of cards. There will one drm_device for each card present @@ -906,8 +922,12 @@ struct drm_driver { struct drm_ioctl_desc *ioctls; int num_ioctls; struct file_operations fops; - struct pci_driver pci_driver; - struct platform_device *platform_device; + union { + struct pci_driver *pci; + struct platform_device *platform_device; + } kdriver; + struct drm_bus *bus; + /* List of devices hanging off this driver */ struct list_head device_list; }; @@ -1147,28 +1167,9 @@ static __inline__ int drm_core_check_feature(struct drm_device *dev, 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; + return dev->driver->bus->get_irq(dev); } -static inline int drm_get_pci_domain(struct drm_device *dev) -{ - if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) - return 0; - -#ifndef __alpha__ - /* For historical reasons, drm_get_pci_domain() is busticated - * on most archs and has to remain so for userspace interface - * < 1.4, except on alpha which was right from the beginning - */ - if (dev->if_version < 0x10004) - return 0; -#endif /* __alpha__ */ - - return pci_domain_nr(dev->pdev->bus); -} #if __OS_HAS_AGP static inline int drm_core_has_AGP(struct drm_device *dev) @@ -1222,8 +1223,6 @@ static inline int drm_mtrr_del(int handle, unsigned long offset, /*@{*/ /* Driver support (drm_drv.h) */ -extern int drm_init(struct drm_driver *driver); -extern void drm_exit(struct drm_driver *driver); extern long drm_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); extern long drm_compat_ioctl(struct file *filp, @@ -1433,11 +1432,7 @@ 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_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); extern unsigned int drm_debug; @@ -1628,11 +1623,21 @@ static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev, return NULL; } -static __inline__ int drm_device_is_agp(struct drm_device *dev) +static __inline__ void drm_core_dropmap(struct drm_local_map *map) { - if (drm_core_check_feature(dev, DRIVER_USE_PLATFORM_DEVICE)) - return 0; +} + +#include "drm_mem_util.h" +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); +/*@}*/ + +/* PCI section */ +static __inline__ int drm_pci_device_is_agp(struct drm_device *dev) +{ if (dev->driver->device_is_agp != NULL) { int err = (*dev->driver->device_is_agp) (dev); @@ -1644,35 +1649,26 @@ static __inline__ int drm_device_is_agp(struct drm_device *dev) return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP); } -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); -} -static __inline__ void drm_core_dropmap(struct drm_local_map *map) +static __inline__ int drm_pci_device_is_pcie(struct drm_device *dev) { + return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP); } -#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, +extern int drm_pci_init(struct drm_driver *driver, struct pci_driver *pdriver); +extern void drm_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver); +extern int drm_get_pci_dev(struct pci_dev *pdev, const struct pci_device_id *ent, struct drm_driver *driver); -int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int type); -/*@}*/ + + +/* platform section */ +extern int drm_platform_init(struct drm_driver *driver, struct platform_device *platform_device); +extern void drm_platform_exit(struct drm_driver *driver, struct platform_device *platform_device); + +extern int drm_get_platform_dev(struct platform_device *pdev, + struct drm_driver *driver); #endif /* __KERNEL__ */ #endif