linux/drivers/gpu/drm/nouveau/nouveau_drv.c

497 lines
14 KiB
C

/*
* Copyright 2005 Stephane Marchesin.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include <linux/console.h>
#include <linux/module.h>
#include "drmP.h"
#include "drm.h"
#include "drm_crtc_helper.h"
#include "nouveau_drv.h"
#include "nouveau_hw.h"
#include "nouveau_fb.h"
#include "nouveau_fbcon.h"
#include "nouveau_pm.h"
#include "nv50_display.h"
#include "drm_pciids.h"
MODULE_PARM_DESC(agpmode, "AGP mode (0 to disable AGP)");
int nouveau_agpmode = -1;
module_param_named(agpmode, nouveau_agpmode, int, 0400);
MODULE_PARM_DESC(modeset, "Enable kernel modesetting");
int nouveau_modeset = -1;
module_param_named(modeset, nouveau_modeset, int, 0400);
MODULE_PARM_DESC(vbios, "Override default VBIOS location");
char *nouveau_vbios;
module_param_named(vbios, nouveau_vbios, charp, 0400);
MODULE_PARM_DESC(vram_pushbuf, "Force DMA push buffers to be in VRAM");
int nouveau_vram_pushbuf;
module_param_named(vram_pushbuf, nouveau_vram_pushbuf, int, 0400);
MODULE_PARM_DESC(vram_notify, "Force DMA notifiers to be in VRAM");
int nouveau_vram_notify = 0;
module_param_named(vram_notify, nouveau_vram_notify, int, 0400);
MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (>=GeForce 8)");
int nouveau_duallink = 1;
module_param_named(duallink, nouveau_duallink, int, 0400);
MODULE_PARM_DESC(uscript_lvds, "LVDS output script table ID (>=GeForce 8)");
int nouveau_uscript_lvds = -1;
module_param_named(uscript_lvds, nouveau_uscript_lvds, int, 0400);
MODULE_PARM_DESC(uscript_tmds, "TMDS output script table ID (>=GeForce 8)");
int nouveau_uscript_tmds = -1;
module_param_named(uscript_tmds, nouveau_uscript_tmds, int, 0400);
MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
int nouveau_ignorelid = 0;
module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
MODULE_PARM_DESC(noaccel, "Disable all acceleration");
int nouveau_noaccel = -1;
module_param_named(noaccel, nouveau_noaccel, int, 0400);
MODULE_PARM_DESC(nofbaccel, "Disable fbcon acceleration");
int nouveau_nofbaccel = 0;
module_param_named(nofbaccel, nouveau_nofbaccel, int, 0400);
MODULE_PARM_DESC(force_post, "Force POST");
int nouveau_force_post = 0;
module_param_named(force_post, nouveau_force_post, int, 0400);
MODULE_PARM_DESC(override_conntype, "Ignore DCB connector type");
int nouveau_override_conntype = 0;
module_param_named(override_conntype, nouveau_override_conntype, int, 0400);
MODULE_PARM_DESC(tv_disable, "Disable TV-out detection\n");
int nouveau_tv_disable = 0;
module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
MODULE_PARM_DESC(tv_norm, "Default TV norm.\n"
"\t\tSupported: PAL, PAL-M, PAL-N, PAL-Nc, NTSC-M, NTSC-J,\n"
"\t\t\thd480i, hd480p, hd576i, hd576p, hd720p, hd1080i.\n"
"\t\tDefault: PAL\n"
"\t\t*NOTE* Ignored for cards with external TV encoders.");
char *nouveau_tv_norm;
module_param_named(tv_norm, nouveau_tv_norm, charp, 0400);
MODULE_PARM_DESC(reg_debug, "Register access debug bitmask:\n"
"\t\t0x1 mc, 0x2 video, 0x4 fb, 0x8 extdev,\n"
"\t\t0x10 crtc, 0x20 ramdac, 0x40 vgacrtc, 0x80 rmvio,\n"
"\t\t0x100 vgaattr, 0x200 EVO (G80+). ");
int nouveau_reg_debug;
module_param_named(reg_debug, nouveau_reg_debug, int, 0600);
MODULE_PARM_DESC(perflvl, "Performance level (default: boot)\n");
char *nouveau_perflvl;
module_param_named(perflvl, nouveau_perflvl, charp, 0400);
MODULE_PARM_DESC(perflvl_wr, "Allow perflvl changes (warning: dangerous!)\n");
int nouveau_perflvl_wr;
module_param_named(perflvl_wr, nouveau_perflvl_wr, int, 0400);
MODULE_PARM_DESC(msi, "Enable MSI (default: off)\n");
int nouveau_msi;
module_param_named(msi, nouveau_msi, int, 0400);
MODULE_PARM_DESC(ctxfw, "Use external HUB/GPC ucode (fermi)\n");
int nouveau_ctxfw;
module_param_named(ctxfw, nouveau_ctxfw, int, 0400);
int nouveau_fbpercrtc;
#if 0
module_param_named(fbpercrtc, nouveau_fbpercrtc, int, 0400);
#endif
static struct pci_device_id pciidlist[] = {
{
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,
},
{}
};
MODULE_DEVICE_TABLE(pci, pciidlist);
static struct drm_driver driver;
static int __devinit
nouveau_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
return drm_get_pci_dev(pdev, ent, &driver);
}
static void
nouveau_pci_remove(struct pci_dev *pdev)
{
struct drm_device *dev = pci_get_drvdata(pdev);
drm_put_dev(dev);
}
int
nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state)
{
struct drm_device *dev = pci_get_drvdata(pdev);
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
struct nouveau_channel *chan;
struct drm_crtc *crtc;
int ret, i, e;
if (pm_state.event == PM_EVENT_PRETHAW)
return 0;
if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
return 0;
NV_INFO(dev, "Disabling fbcon acceleration...\n");
nouveau_fbcon_save_disable_accel(dev);
NV_INFO(dev, "Unpinning framebuffer(s)...\n");
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_framebuffer *nouveau_fb;
nouveau_fb = nouveau_framebuffer(crtc->fb);
if (!nouveau_fb || !nouveau_fb->nvbo)
continue;
nouveau_bo_unpin(nouveau_fb->nvbo);
}
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
nouveau_bo_unmap(nv_crtc->cursor.nvbo);
nouveau_bo_unpin(nv_crtc->cursor.nvbo);
}
NV_INFO(dev, "Evicting buffers...\n");
ttm_bo_evict_mm(&dev_priv->ttm.bdev, TTM_PL_VRAM);
NV_INFO(dev, "Idling channels...\n");
for (i = 0; i < pfifo->channels; i++) {
chan = dev_priv->channels.ptr[i];
if (chan && chan->pushbuf_bo)
nouveau_channel_idle(chan);
}
pfifo->reassign(dev, false);
pfifo->disable(dev);
pfifo->unload_context(dev);
for (e = NVOBJ_ENGINE_NR - 1; e >= 0; e--) {
if (!dev_priv->eng[e])
continue;
ret = dev_priv->eng[e]->fini(dev, e, true);
if (ret) {
NV_ERROR(dev, "... engine %d failed: %d\n", i, ret);
goto out_abort;
}
}
ret = pinstmem->suspend(dev);
if (ret) {
NV_ERROR(dev, "... failed: %d\n", ret);
goto out_abort;
}
NV_INFO(dev, "Suspending GPU objects...\n");
ret = nouveau_gpuobj_suspend(dev);
if (ret) {
NV_ERROR(dev, "... failed: %d\n", ret);
pinstmem->resume(dev);
goto out_abort;
}
NV_INFO(dev, "And we're gone!\n");
pci_save_state(pdev);
if (pm_state.event == PM_EVENT_SUSPEND) {
pci_disable_device(pdev);
pci_set_power_state(pdev, PCI_D3hot);
}
console_lock();
nouveau_fbcon_set_suspend(dev, 1);
console_unlock();
nouveau_fbcon_restore_accel(dev);
return 0;
out_abort:
NV_INFO(dev, "Re-enabling acceleration..\n");
for (e = e + 1; e < NVOBJ_ENGINE_NR; e++) {
if (dev_priv->eng[e])
dev_priv->eng[e]->init(dev, e);
}
pfifo->enable(dev);
pfifo->reassign(dev, true);
return ret;
}
int
nouveau_pci_resume(struct pci_dev *pdev)
{
struct drm_device *dev = pci_get_drvdata(pdev);
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_engine *engine = &dev_priv->engine;
struct drm_crtc *crtc;
int ret, i;
if (dev->switch_power_state == DRM_SWITCH_POWER_OFF)
return 0;
nouveau_fbcon_save_disable_accel(dev);
NV_INFO(dev, "We're back, enabling device...\n");
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
if (pci_enable_device(pdev))
return -1;
pci_set_master(dev->pdev);
/* Make sure the AGP controller is in a consistent state */
if (dev_priv->gart_info.type == NOUVEAU_GART_AGP)
nouveau_mem_reset_agp(dev);
/* Make the CRTCs accessible */
engine->display.early_init(dev);
NV_INFO(dev, "POSTing device...\n");
ret = nouveau_run_vbios_init(dev);
if (ret)
return ret;
nouveau_pm_resume(dev);
if (dev_priv->gart_info.type == NOUVEAU_GART_AGP) {
ret = nouveau_mem_init_agp(dev);
if (ret) {
NV_ERROR(dev, "error reinitialising AGP: %d\n", ret);
return ret;
}
}
NV_INFO(dev, "Restoring GPU objects...\n");
nouveau_gpuobj_resume(dev);
NV_INFO(dev, "Reinitialising engines...\n");
engine->instmem.resume(dev);
engine->mc.init(dev);
engine->timer.init(dev);
engine->fb.init(dev);
for (i = 0; i < NVOBJ_ENGINE_NR; i++) {
if (dev_priv->eng[i])
dev_priv->eng[i]->init(dev, i);
}
engine->fifo.init(dev);
nouveau_irq_postinstall(dev);
/* Re-write SKIPS, they'll have been lost over the suspend */
if (nouveau_vram_pushbuf) {
struct nouveau_channel *chan;
int j;
for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
chan = dev_priv->channels.ptr[i];
if (!chan || !chan->pushbuf_bo)
continue;
for (j = 0; j < NOUVEAU_DMA_SKIPS; j++)
nouveau_bo_wr32(chan->pushbuf_bo, i, 0);
}
}
NV_INFO(dev, "Restoring mode...\n");
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_framebuffer *nouveau_fb;
nouveau_fb = nouveau_framebuffer(crtc->fb);
if (!nouveau_fb || !nouveau_fb->nvbo)
continue;
nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM);
}
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM);
if (!ret)
ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
if (ret)
NV_ERROR(dev, "Could not pin/map cursor.\n");
}
engine->display.init(dev);
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
u32 offset = nv_crtc->cursor.nvbo->bo.offset;
nv_crtc->cursor.set_offset(nv_crtc, offset);
nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
nv_crtc->cursor_saved_y);
}
/* Force CLUT to get re-loaded during modeset */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
nv_crtc->lut.depth = 0;
}
console_lock();
nouveau_fbcon_set_suspend(dev, 0);
console_unlock();
nouveau_fbcon_zfill_all(dev);
drm_helper_resume_force_mode(dev);
nouveau_fbcon_restore_accel(dev);
return 0;
}
static const struct file_operations nouveau_driver_fops = {
.owner = THIS_MODULE,
.open = drm_open,
.release = drm_release,
.unlocked_ioctl = drm_ioctl,
.mmap = nouveau_ttm_mmap,
.poll = drm_poll,
.fasync = drm_fasync,
.read = drm_read,
#if defined(CONFIG_COMPAT)
.compat_ioctl = nouveau_compat_ioctl,
#endif
.llseek = noop_llseek,
};
static struct drm_driver driver = {
.driver_features =
DRIVER_USE_AGP | DRIVER_PCI_DMA | DRIVER_SG |
DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_GEM |
DRIVER_MODESET,
.load = nouveau_load,
.firstopen = nouveau_firstopen,
.lastclose = nouveau_lastclose,
.unload = nouveau_unload,
.open = nouveau_open,
.preclose = nouveau_preclose,
.postclose = nouveau_postclose,
#if defined(CONFIG_DRM_NOUVEAU_DEBUG)
.debugfs_init = nouveau_debugfs_init,
.debugfs_cleanup = nouveau_debugfs_takedown,
#endif
.irq_preinstall = nouveau_irq_preinstall,
.irq_postinstall = nouveau_irq_postinstall,
.irq_uninstall = nouveau_irq_uninstall,
.irq_handler = nouveau_irq_handler,
.get_vblank_counter = drm_vblank_count,
.enable_vblank = nouveau_vblank_enable,
.disable_vblank = nouveau_vblank_disable,
.reclaim_buffers = drm_core_reclaim_buffers,
.ioctls = nouveau_ioctls,
.fops = &nouveau_driver_fops,
.gem_init_object = nouveau_gem_object_new,
.gem_free_object = nouveau_gem_object_del,
.gem_open_object = nouveau_gem_object_open,
.gem_close_object = nouveau_gem_object_close,
.dumb_create = nouveau_display_dumb_create,
.dumb_map_offset = nouveau_display_dumb_map_offset,
.dumb_destroy = nouveau_display_dumb_destroy,
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
#ifdef GIT_REVISION
.date = GIT_REVISION,
#else
.date = DRIVER_DATE,
#endif
.major = DRIVER_MAJOR,
.minor = DRIVER_MINOR,
.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;
if (nouveau_modeset == -1) {
#ifdef CONFIG_VGA_CONSOLE
if (vgacon_text_force())
nouveau_modeset = 0;
else
#endif
nouveau_modeset = 1;
}
if (!nouveau_modeset)
return 0;
nouveau_register_dsm_handler();
return drm_pci_init(&driver, &nouveau_pci_driver);
}
static void __exit nouveau_exit(void)
{
if (!nouveau_modeset)
return;
drm_pci_exit(&driver, &nouveau_pci_driver);
nouveau_unregister_dsm_handler();
}
module_init(nouveau_init);
module_exit(nouveau_exit);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");