mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-24 19:40:12 +07:00
cb75d97e9c
v2: - make sure not to execute display scripts unless resuming Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
322 lines
7.6 KiB
C
322 lines
7.6 KiB
C
/*
|
|
* Copyright 2012 Red Hat Inc.
|
|
*
|
|
* 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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: Ben Skeggs
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/pci.h>
|
|
|
|
#include <core/device.h>
|
|
#include <core/client.h>
|
|
#include <core/class.h>
|
|
|
|
#include <subdev/device.h>
|
|
|
|
#include "nouveau_drm.h"
|
|
#include "nouveau_agp.h"
|
|
|
|
int __devinit nouveau_pci_probe(struct pci_dev *, const struct pci_device_id *);
|
|
void nouveau_pci_remove(struct pci_dev *);
|
|
int nouveau_pci_suspend(struct pci_dev *, pm_message_t);
|
|
int nouveau_pci_resume(struct pci_dev *);
|
|
int __init nouveau_init(struct pci_driver *);
|
|
void __exit nouveau_exit(struct pci_driver *);
|
|
|
|
int nouveau_load(struct drm_device *, unsigned long);
|
|
int nouveau_unload(struct drm_device *);
|
|
void *nouveau_newpriv(struct drm_device *);
|
|
|
|
MODULE_PARM_DESC(config, "option string to pass to driver core");
|
|
static char *nouveau_config;
|
|
module_param_named(config, nouveau_config, charp, 0400);
|
|
|
|
MODULE_PARM_DESC(debug, "debug string to pass to driver core");
|
|
static char *nouveau_debug;
|
|
module_param_named(debug, nouveau_debug, charp, 0400);
|
|
|
|
static u64
|
|
nouveau_name(struct pci_dev *pdev)
|
|
{
|
|
u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
|
|
name |= pdev->bus->number << 16;
|
|
name |= PCI_SLOT(pdev->devfn) << 8;
|
|
return name | PCI_FUNC(pdev->devfn);
|
|
}
|
|
|
|
static int
|
|
nouveau_cli_create(struct pci_dev *pdev, u32 name, int size, void **pcli)
|
|
{
|
|
struct nouveau_cli *cli;
|
|
int ret;
|
|
|
|
ret = nouveau_client_create_(name, nouveau_name(pdev), nouveau_config,
|
|
nouveau_debug, size, pcli);
|
|
cli = *pcli;
|
|
if (ret)
|
|
return ret;
|
|
|
|
mutex_init(&cli->mutex);
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
nouveau_cli_destroy(struct nouveau_cli *cli)
|
|
{
|
|
struct nouveau_object *client = nv_object(cli);
|
|
nouveau_client_fini(&cli->base, false);
|
|
atomic_set(&client->refcount, 1);
|
|
nouveau_object_ref(NULL, &client);
|
|
}
|
|
|
|
static int __devinit
|
|
nouveau_drm_probe(struct pci_dev *pdev, const struct pci_device_id *pent)
|
|
{
|
|
struct nouveau_device *device;
|
|
int ret;
|
|
|
|
ret = nouveau_device_create(pdev, nouveau_name(pdev), pci_name(pdev),
|
|
nouveau_config, nouveau_debug, &device);
|
|
if (ret)
|
|
return ret;
|
|
|
|
pci_set_master(pdev);
|
|
|
|
ret = nouveau_pci_probe(pdev, pent);
|
|
if (ret) {
|
|
nouveau_device_destroy(&device);
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
nouveau_drm_load(struct drm_device *dev, unsigned long flags)
|
|
{
|
|
struct pci_dev *pdev = dev->pdev;
|
|
struct nouveau_drm *drm;
|
|
int ret;
|
|
|
|
ret = nouveau_cli_create(pdev, 0, sizeof(*drm), (void**)&drm);
|
|
dev->dev_private = drm;
|
|
if (ret)
|
|
return ret;
|
|
|
|
INIT_LIST_HEAD(&drm->clients);
|
|
drm->dev = dev;
|
|
|
|
/* make sure AGP controller is in a consistent state before we
|
|
* (possibly) execute vbios init tables (see nouveau_agp.h)
|
|
*/
|
|
if (drm_pci_device_is_agp(dev) && dev->agp) {
|
|
/* dummy device object, doesn't init anything, but allows
|
|
* agp code access to registers
|
|
*/
|
|
ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT,
|
|
NVDRM_DEVICE, 0x0080,
|
|
&(struct nv_device_class) {
|
|
.device = ~0,
|
|
.disable =
|
|
~(NV_DEVICE_DISABLE_MMIO |
|
|
NV_DEVICE_DISABLE_IDENTIFY),
|
|
.debug0 = ~0,
|
|
}, sizeof(struct nv_device_class),
|
|
&drm->device);
|
|
if (ret)
|
|
return ret;
|
|
|
|
nouveau_agp_reset(drm);
|
|
nouveau_object_del(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE);
|
|
}
|
|
|
|
ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE,
|
|
0x0080, &(struct nv_device_class) {
|
|
.device = ~0,
|
|
.disable = 0,
|
|
.debug0 = 0,
|
|
}, sizeof(struct nv_device_class),
|
|
&drm->device);
|
|
if (ret)
|
|
goto fail_device;
|
|
|
|
/* initialise AGP */
|
|
nouveau_agp_init(drm);
|
|
|
|
ret = nouveau_load(dev, flags);
|
|
if (ret)
|
|
goto fail_device;
|
|
|
|
return 0;
|
|
|
|
fail_device:
|
|
nouveau_cli_destroy(&drm->client);
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
nouveau_drm_unload(struct drm_device *dev)
|
|
{
|
|
struct nouveau_drm *drm = nouveau_newpriv(dev);
|
|
struct pci_dev *pdev = dev->pdev;
|
|
int ret;
|
|
|
|
ret = nouveau_unload(dev);
|
|
if (ret)
|
|
return ret;
|
|
|
|
nouveau_agp_fini(drm);
|
|
|
|
pci_set_drvdata(pdev, drm->client.base.device);
|
|
nouveau_cli_destroy(&drm->client);
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
nouveau_drm_remove(struct pci_dev *pdev)
|
|
{
|
|
struct nouveau_device *device;
|
|
nouveau_pci_remove(pdev);
|
|
device = pci_get_drvdata(pdev);
|
|
nouveau_device_destroy(&device);
|
|
}
|
|
|
|
int
|
|
nouveau_drm_suspend(struct pci_dev *pdev, pm_message_t pm_state)
|
|
{
|
|
struct drm_device *dev = pci_get_drvdata(pdev);
|
|
struct nouveau_drm *drm = nouveau_newpriv(dev);
|
|
struct nouveau_cli *cli;
|
|
int ret;
|
|
|
|
if (dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
|
|
pm_state.event == PM_EVENT_PRETHAW)
|
|
return 0;
|
|
|
|
ret = nouveau_pci_suspend(pdev, pm_state);
|
|
if (ret)
|
|
return ret;
|
|
|
|
list_for_each_entry(cli, &drm->clients, head) {
|
|
ret = nouveau_client_fini(&cli->base, true);
|
|
if (ret)
|
|
goto fail_client;
|
|
}
|
|
|
|
ret = nouveau_client_fini(&drm->client.base, true);
|
|
if (ret)
|
|
goto fail_client;
|
|
|
|
nouveau_agp_fini(drm);
|
|
|
|
pci_save_state(pdev);
|
|
if (pm_state.event == PM_EVENT_SUSPEND) {
|
|
pci_disable_device(pdev);
|
|
pci_set_power_state(pdev, PCI_D3hot);
|
|
}
|
|
|
|
return 0;
|
|
|
|
fail_client:
|
|
list_for_each_entry_continue_reverse(cli, &drm->clients, head) {
|
|
nouveau_client_init(&cli->base);
|
|
}
|
|
|
|
nouveau_pci_resume(pdev);
|
|
return ret;
|
|
}
|
|
|
|
int
|
|
nouveau_drm_resume(struct pci_dev *pdev)
|
|
{
|
|
struct drm_device *dev = pci_get_drvdata(pdev);
|
|
struct nouveau_drm *drm = nouveau_newpriv(dev);
|
|
struct nouveau_cli *cli;
|
|
int ret;
|
|
|
|
if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
|
|
return 0;
|
|
|
|
pci_set_power_state(pdev, PCI_D0);
|
|
pci_restore_state(pdev);
|
|
ret = pci_enable_device(pdev);
|
|
if (ret)
|
|
return ret;
|
|
pci_set_master(pdev);
|
|
|
|
nouveau_agp_reset(drm);
|
|
|
|
nouveau_client_init(&drm->client.base);
|
|
|
|
list_for_each_entry(cli, &drm->clients, head) {
|
|
nouveau_client_init(&cli->base);
|
|
}
|
|
|
|
nouveau_agp_init(drm);
|
|
|
|
return nouveau_pci_resume(pdev);
|
|
}
|
|
|
|
static struct pci_device_id
|
|
nouveau_drm_pci_table[] = {
|
|
{
|
|
PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
|
|
.class = PCI_BASE_CLASS_DISPLAY << 16,
|
|
.class_mask = 0xff << 16,
|
|
},
|
|
{
|
|
PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
|
|
.class = PCI_BASE_CLASS_DISPLAY << 16,
|
|
.class_mask = 0xff << 16,
|
|
},
|
|
{}
|
|
};
|
|
|
|
static struct pci_driver
|
|
nouveau_drm_pci_driver = {
|
|
.name = "nouveau",
|
|
.id_table = nouveau_drm_pci_table,
|
|
.probe = nouveau_drm_probe,
|
|
.remove = nouveau_drm_remove,
|
|
.suspend = nouveau_drm_suspend,
|
|
.resume = nouveau_drm_resume,
|
|
};
|
|
|
|
static int __init
|
|
nouveau_drm_init(void)
|
|
{
|
|
return nouveau_init(&nouveau_drm_pci_driver);
|
|
}
|
|
|
|
static void __exit
|
|
nouveau_drm_exit(void)
|
|
{
|
|
nouveau_exit(&nouveau_drm_pci_driver);
|
|
}
|
|
|
|
module_init(nouveau_drm_init);
|
|
module_exit(nouveau_drm_exit);
|
|
|
|
MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
|
|
MODULE_AUTHOR("Nouveau Project");
|
|
MODULE_DESCRIPTION("nVidia Riva/TNT/GeForce/Quadro/Tesla");
|
|
MODULE_LICENSE("GPL and additional rights");
|