drm/nouveau: implement module init functions in nouveau_drm.c
These currently just call the existing ones in nouveau_drv.c, but will be extended in upcoming commits. This needed to be separated from the current code as there will be some header clashes until things are ported. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Este cometimento está contido em:
Ben Skeggs
285
drivers/gpu/drm/nouveau/nouveau_drm.c
Ficheiro normal
285
drivers/gpu/drm/nouveau/nouveau_drm.c
Ficheiro normal
@@ -0,0 +1,285 @@
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/*
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* Copyright 2012 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Ben Skeggs
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*/
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#include <linux/module.h>
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#include <linux/pci.h>
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#include <core/device.h>
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#include <core/client.h>
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#include <core/class.h>
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#include <subdev/device.h>
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#include "nouveau_drm.h"
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int __devinit nouveau_pci_probe(struct pci_dev *, const struct pci_device_id *);
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void nouveau_pci_remove(struct pci_dev *);
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int nouveau_pci_suspend(struct pci_dev *, pm_message_t);
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int nouveau_pci_resume(struct pci_dev *);
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int __init nouveau_init(struct pci_driver *);
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void __exit nouveau_exit(struct pci_driver *);
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int nouveau_load(struct drm_device *, unsigned long);
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int nouveau_unload(struct drm_device *);
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void *nouveau_newpriv(struct drm_device *);
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MODULE_PARM_DESC(config, "option string to pass to driver core");
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static char *nouveau_config;
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module_param_named(config, nouveau_config, charp, 0400);
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MODULE_PARM_DESC(debug, "debug string to pass to driver core");
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static char *nouveau_debug;
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module_param_named(debug, nouveau_debug, charp, 0400);
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static u64
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nouveau_name(struct pci_dev *pdev)
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{
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u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
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name |= pdev->bus->number << 16;
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name |= PCI_SLOT(pdev->devfn) << 8;
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return name | PCI_FUNC(pdev->devfn);
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}
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static int
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nouveau_cli_create(struct pci_dev *pdev, u32 name, int size, void **pcli)
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{
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struct nouveau_cli *cli;
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int ret;
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ret = nouveau_client_create_(name, nouveau_name(pdev), nouveau_config,
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nouveau_debug, size, pcli);
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cli = *pcli;
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if (ret)
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return ret;
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mutex_init(&cli->mutex);
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return 0;
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}
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static void
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nouveau_cli_destroy(struct nouveau_cli *cli)
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{
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struct nouveau_object *client = nv_object(cli);
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nouveau_client_fini(&cli->base, false);
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atomic_set(&client->refcount, 1);
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nouveau_object_ref(NULL, &client);
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}
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static int __devinit
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nouveau_drm_probe(struct pci_dev *pdev, const struct pci_device_id *pent)
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{
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struct nouveau_device *device;
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int ret;
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ret = nouveau_device_create(pdev, nouveau_name(pdev), pci_name(pdev),
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nouveau_config, nouveau_debug, &device);
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if (ret)
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return ret;
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pci_set_master(pdev);
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ret = nouveau_pci_probe(pdev, pent);
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if (ret) {
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nouveau_device_destroy(&device);
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return ret;
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}
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return 0;
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}
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int
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nouveau_drm_load(struct drm_device *dev, unsigned long flags)
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{
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struct pci_dev *pdev = dev->pdev;
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struct nouveau_drm *drm;
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int ret;
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ret = nouveau_cli_create(pdev, 0, sizeof(*drm), (void**)&drm);
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dev->dev_private = drm;
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if (ret)
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return ret;
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INIT_LIST_HEAD(&drm->clients);
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drm->dev = dev;
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ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE,
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0x0080, &(struct nv_device_class) {
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.device = ~0,
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.disable = 0,
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.debug0 = 0,
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}, sizeof(struct nv_device_class),
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&drm->device);
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if (ret)
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goto fail_device;
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ret = nouveau_load(dev, flags);
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if (ret)
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goto fail_device;
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return 0;
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fail_device:
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nouveau_cli_destroy(&drm->client);
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return ret;
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}
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int
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nouveau_drm_unload(struct drm_device *dev)
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{
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struct nouveau_drm *drm = nouveau_newpriv(dev);
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struct pci_dev *pdev = dev->pdev;
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int ret;
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ret = nouveau_unload(dev);
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if (ret)
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return ret;
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pci_set_drvdata(pdev, drm->client.base.device);
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nouveau_cli_destroy(&drm->client);
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return 0;
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}
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static void
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nouveau_drm_remove(struct pci_dev *pdev)
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{
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struct nouveau_device *device;
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nouveau_pci_remove(pdev);
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device = pci_get_drvdata(pdev);
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nouveau_device_destroy(&device);
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}
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int
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nouveau_drm_suspend(struct pci_dev *pdev, pm_message_t pm_state)
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{
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struct drm_device *dev = pci_get_drvdata(pdev);
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struct nouveau_drm *drm = nouveau_newpriv(dev);
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struct nouveau_cli *cli;
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int ret;
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if (dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
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pm_state.event == PM_EVENT_PRETHAW)
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return 0;
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ret = nouveau_pci_suspend(pdev, pm_state);
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if (ret)
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return ret;
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list_for_each_entry(cli, &drm->clients, head) {
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ret = nouveau_client_fini(&cli->base, true);
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if (ret)
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goto fail_client;
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}
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ret = nouveau_client_fini(&drm->client.base, true);
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if (ret)
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goto fail_client;
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pci_save_state(pdev);
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if (pm_state.event == PM_EVENT_SUSPEND) {
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pci_disable_device(pdev);
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pci_set_power_state(pdev, PCI_D3hot);
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}
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return 0;
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fail_client:
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list_for_each_entry_continue_reverse(cli, &drm->clients, head) {
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nouveau_client_init(&cli->base);
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}
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nouveau_pci_resume(pdev);
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return ret;
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}
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int
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nouveau_drm_resume(struct pci_dev *pdev)
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{
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struct drm_device *dev = pci_get_drvdata(pdev);
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struct nouveau_drm *drm = nouveau_newpriv(dev);
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struct nouveau_cli *cli;
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int ret;
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if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
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return 0;
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pci_set_power_state(pdev, PCI_D0);
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pci_restore_state(pdev);
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ret = pci_enable_device(pdev);
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if (ret)
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return ret;
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pci_set_master(pdev);
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nouveau_client_init(&drm->client.base);
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list_for_each_entry(cli, &drm->clients, head) {
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nouveau_client_init(&cli->base);
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}
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return nouveau_pci_resume(pdev);
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}
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static struct pci_device_id
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nouveau_drm_pci_table[] = {
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{
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PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
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.class = PCI_BASE_CLASS_DISPLAY << 16,
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.class_mask = 0xff << 16,
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},
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{
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PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
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.class = PCI_BASE_CLASS_DISPLAY << 16,
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.class_mask = 0xff << 16,
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},
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{}
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};
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static struct pci_driver
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nouveau_drm_pci_driver = {
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.name = "nouveau",
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.id_table = nouveau_drm_pci_table,
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.probe = nouveau_drm_probe,
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.remove = nouveau_drm_remove,
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.suspend = nouveau_drm_suspend,
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.resume = nouveau_drm_resume,
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};
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static int __init
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nouveau_drm_init(void)
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{
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return nouveau_init(&nouveau_drm_pci_driver);
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}
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static void __exit
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nouveau_drm_exit(void)
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{
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nouveau_exit(&nouveau_drm_pci_driver);
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}
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module_init(nouveau_drm_init);
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module_exit(nouveau_drm_exit);
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MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
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MODULE_AUTHOR("Nouveau Project");
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MODULE_DESCRIPTION("nVidia Riva/TNT/GeForce/Quadro/Tesla");
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MODULE_LICENSE("GPL and additional rights");
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