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

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/*
* Copyright 2005 Stephane Marchesin
* Copyright 2008 Stuart Bennett
* 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
* PRECISION INSIGHT 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/swab.h>
#include "drmP.h"
#include "drm.h"
#include "drm_sarea.h"
#include "drm_crtc_helper.h"
#include <linux/vgaarb.h>
#include <linux/vga_switcheroo.h>
#include "nouveau_drv.h"
#include "nouveau_drm.h"
#include "nv50_display.h"
static int nouveau_stub_init(struct drm_device *dev) { return 0; }
static void nouveau_stub_takedown(struct drm_device *dev) {}
static int nouveau_init_engine_ptrs(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_engine *engine = &dev_priv->engine;
switch (dev_priv->chipset & 0xf0) {
case 0x00:
engine->instmem.init = nv04_instmem_init;
engine->instmem.takedown = nv04_instmem_takedown;
engine->instmem.suspend = nv04_instmem_suspend;
engine->instmem.resume = nv04_instmem_resume;
engine->instmem.populate = nv04_instmem_populate;
engine->instmem.clear = nv04_instmem_clear;
engine->instmem.bind = nv04_instmem_bind;
engine->instmem.unbind = nv04_instmem_unbind;
engine->instmem.prepare_access = nv04_instmem_prepare_access;
engine->instmem.finish_access = nv04_instmem_finish_access;
engine->mc.init = nv04_mc_init;
engine->mc.takedown = nv04_mc_takedown;
engine->timer.init = nv04_timer_init;
engine->timer.read = nv04_timer_read;
engine->timer.takedown = nv04_timer_takedown;
engine->fb.init = nv04_fb_init;
engine->fb.takedown = nv04_fb_takedown;
engine->graph.grclass = nv04_graph_grclass;
engine->graph.init = nv04_graph_init;
engine->graph.takedown = nv04_graph_takedown;
engine->graph.fifo_access = nv04_graph_fifo_access;
engine->graph.channel = nv04_graph_channel;
engine->graph.create_context = nv04_graph_create_context;
engine->graph.destroy_context = nv04_graph_destroy_context;
engine->graph.load_context = nv04_graph_load_context;
engine->graph.unload_context = nv04_graph_unload_context;
engine->fifo.channels = 16;
engine->fifo.init = nv04_fifo_init;
engine->fifo.takedown = nouveau_stub_takedown;
engine->fifo.disable = nv04_fifo_disable;
engine->fifo.enable = nv04_fifo_enable;
engine->fifo.reassign = nv04_fifo_reassign;
engine->fifo.cache_flush = nv04_fifo_cache_flush;
engine->fifo.cache_pull = nv04_fifo_cache_pull;
engine->fifo.channel_id = nv04_fifo_channel_id;
engine->fifo.create_context = nv04_fifo_create_context;
engine->fifo.destroy_context = nv04_fifo_destroy_context;
engine->fifo.load_context = nv04_fifo_load_context;
engine->fifo.unload_context = nv04_fifo_unload_context;
break;
case 0x10:
engine->instmem.init = nv04_instmem_init;
engine->instmem.takedown = nv04_instmem_takedown;
engine->instmem.suspend = nv04_instmem_suspend;
engine->instmem.resume = nv04_instmem_resume;
engine->instmem.populate = nv04_instmem_populate;
engine->instmem.clear = nv04_instmem_clear;
engine->instmem.bind = nv04_instmem_bind;
engine->instmem.unbind = nv04_instmem_unbind;
engine->instmem.prepare_access = nv04_instmem_prepare_access;
engine->instmem.finish_access = nv04_instmem_finish_access;
engine->mc.init = nv04_mc_init;
engine->mc.takedown = nv04_mc_takedown;
engine->timer.init = nv04_timer_init;
engine->timer.read = nv04_timer_read;
engine->timer.takedown = nv04_timer_takedown;
engine->fb.init = nv10_fb_init;
engine->fb.takedown = nv10_fb_takedown;
engine->fb.set_region_tiling = nv10_fb_set_region_tiling;
engine->graph.grclass = nv10_graph_grclass;
engine->graph.init = nv10_graph_init;
engine->graph.takedown = nv10_graph_takedown;
engine->graph.channel = nv10_graph_channel;
engine->graph.create_context = nv10_graph_create_context;
engine->graph.destroy_context = nv10_graph_destroy_context;
engine->graph.fifo_access = nv04_graph_fifo_access;
engine->graph.load_context = nv10_graph_load_context;
engine->graph.unload_context = nv10_graph_unload_context;
engine->graph.set_region_tiling = nv10_graph_set_region_tiling;
engine->fifo.channels = 32;
engine->fifo.init = nv10_fifo_init;
engine->fifo.takedown = nouveau_stub_takedown;
engine->fifo.disable = nv04_fifo_disable;
engine->fifo.enable = nv04_fifo_enable;
engine->fifo.reassign = nv04_fifo_reassign;
engine->fifo.cache_flush = nv04_fifo_cache_flush;
engine->fifo.cache_pull = nv04_fifo_cache_pull;
engine->fifo.channel_id = nv10_fifo_channel_id;
engine->fifo.create_context = nv10_fifo_create_context;
engine->fifo.destroy_context = nv10_fifo_destroy_context;
engine->fifo.load_context = nv10_fifo_load_context;
engine->fifo.unload_context = nv10_fifo_unload_context;
break;
case 0x20:
engine->instmem.init = nv04_instmem_init;
engine->instmem.takedown = nv04_instmem_takedown;
engine->instmem.suspend = nv04_instmem_suspend;
engine->instmem.resume = nv04_instmem_resume;
engine->instmem.populate = nv04_instmem_populate;
engine->instmem.clear = nv04_instmem_clear;
engine->instmem.bind = nv04_instmem_bind;
engine->instmem.unbind = nv04_instmem_unbind;
engine->instmem.prepare_access = nv04_instmem_prepare_access;
engine->instmem.finish_access = nv04_instmem_finish_access;
engine->mc.init = nv04_mc_init;
engine->mc.takedown = nv04_mc_takedown;
engine->timer.init = nv04_timer_init;
engine->timer.read = nv04_timer_read;
engine->timer.takedown = nv04_timer_takedown;
engine->fb.init = nv10_fb_init;
engine->fb.takedown = nv10_fb_takedown;
engine->fb.set_region_tiling = nv10_fb_set_region_tiling;
engine->graph.grclass = nv20_graph_grclass;
engine->graph.init = nv20_graph_init;
engine->graph.takedown = nv20_graph_takedown;
engine->graph.channel = nv10_graph_channel;
engine->graph.create_context = nv20_graph_create_context;
engine->graph.destroy_context = nv20_graph_destroy_context;
engine->graph.fifo_access = nv04_graph_fifo_access;
engine->graph.load_context = nv20_graph_load_context;
engine->graph.unload_context = nv20_graph_unload_context;
engine->graph.set_region_tiling = nv20_graph_set_region_tiling;
engine->fifo.channels = 32;
engine->fifo.init = nv10_fifo_init;
engine->fifo.takedown = nouveau_stub_takedown;
engine->fifo.disable = nv04_fifo_disable;
engine->fifo.enable = nv04_fifo_enable;
engine->fifo.reassign = nv04_fifo_reassign;
engine->fifo.cache_flush = nv04_fifo_cache_flush;
engine->fifo.cache_pull = nv04_fifo_cache_pull;
engine->fifo.channel_id = nv10_fifo_channel_id;
engine->fifo.create_context = nv10_fifo_create_context;
engine->fifo.destroy_context = nv10_fifo_destroy_context;
engine->fifo.load_context = nv10_fifo_load_context;
engine->fifo.unload_context = nv10_fifo_unload_context;
break;
case 0x30:
engine->instmem.init = nv04_instmem_init;
engine->instmem.takedown = nv04_instmem_takedown;
engine->instmem.suspend = nv04_instmem_suspend;
engine->instmem.resume = nv04_instmem_resume;
engine->instmem.populate = nv04_instmem_populate;
engine->instmem.clear = nv04_instmem_clear;
engine->instmem.bind = nv04_instmem_bind;
engine->instmem.unbind = nv04_instmem_unbind;
engine->instmem.prepare_access = nv04_instmem_prepare_access;
engine->instmem.finish_access = nv04_instmem_finish_access;
engine->mc.init = nv04_mc_init;
engine->mc.takedown = nv04_mc_takedown;
engine->timer.init = nv04_timer_init;
engine->timer.read = nv04_timer_read;
engine->timer.takedown = nv04_timer_takedown;
engine->fb.init = nv10_fb_init;
engine->fb.takedown = nv10_fb_takedown;
engine->fb.set_region_tiling = nv10_fb_set_region_tiling;
engine->graph.grclass = nv30_graph_grclass;
engine->graph.init = nv30_graph_init;
engine->graph.takedown = nv20_graph_takedown;
engine->graph.fifo_access = nv04_graph_fifo_access;
engine->graph.channel = nv10_graph_channel;
engine->graph.create_context = nv20_graph_create_context;
engine->graph.destroy_context = nv20_graph_destroy_context;
engine->graph.load_context = nv20_graph_load_context;
engine->graph.unload_context = nv20_graph_unload_context;
engine->graph.set_region_tiling = nv20_graph_set_region_tiling;
engine->fifo.channels = 32;
engine->fifo.init = nv10_fifo_init;
engine->fifo.takedown = nouveau_stub_takedown;
engine->fifo.disable = nv04_fifo_disable;
engine->fifo.enable = nv04_fifo_enable;
engine->fifo.reassign = nv04_fifo_reassign;
engine->fifo.cache_flush = nv04_fifo_cache_flush;
engine->fifo.cache_pull = nv04_fifo_cache_pull;
engine->fifo.channel_id = nv10_fifo_channel_id;
engine->fifo.create_context = nv10_fifo_create_context;
engine->fifo.destroy_context = nv10_fifo_destroy_context;
engine->fifo.load_context = nv10_fifo_load_context;
engine->fifo.unload_context = nv10_fifo_unload_context;
break;
case 0x40:
case 0x60:
engine->instmem.init = nv04_instmem_init;
engine->instmem.takedown = nv04_instmem_takedown;
engine->instmem.suspend = nv04_instmem_suspend;
engine->instmem.resume = nv04_instmem_resume;
engine->instmem.populate = nv04_instmem_populate;
engine->instmem.clear = nv04_instmem_clear;
engine->instmem.bind = nv04_instmem_bind;
engine->instmem.unbind = nv04_instmem_unbind;
engine->instmem.prepare_access = nv04_instmem_prepare_access;
engine->instmem.finish_access = nv04_instmem_finish_access;
engine->mc.init = nv40_mc_init;
engine->mc.takedown = nv40_mc_takedown;
engine->timer.init = nv04_timer_init;
engine->timer.read = nv04_timer_read;
engine->timer.takedown = nv04_timer_takedown;
engine->fb.init = nv40_fb_init;
engine->fb.takedown = nv40_fb_takedown;
engine->fb.set_region_tiling = nv40_fb_set_region_tiling;
engine->graph.grclass = nv40_graph_grclass;
engine->graph.init = nv40_graph_init;
engine->graph.takedown = nv40_graph_takedown;
engine->graph.fifo_access = nv04_graph_fifo_access;
engine->graph.channel = nv40_graph_channel;
engine->graph.create_context = nv40_graph_create_context;
engine->graph.destroy_context = nv40_graph_destroy_context;
engine->graph.load_context = nv40_graph_load_context;
engine->graph.unload_context = nv40_graph_unload_context;
engine->graph.set_region_tiling = nv40_graph_set_region_tiling;
engine->fifo.channels = 32;
engine->fifo.init = nv40_fifo_init;
engine->fifo.takedown = nouveau_stub_takedown;
engine->fifo.disable = nv04_fifo_disable;
engine->fifo.enable = nv04_fifo_enable;
engine->fifo.reassign = nv04_fifo_reassign;
engine->fifo.cache_flush = nv04_fifo_cache_flush;
engine->fifo.cache_pull = nv04_fifo_cache_pull;
engine->fifo.channel_id = nv10_fifo_channel_id;
engine->fifo.create_context = nv40_fifo_create_context;
engine->fifo.destroy_context = nv40_fifo_destroy_context;
engine->fifo.load_context = nv40_fifo_load_context;
engine->fifo.unload_context = nv40_fifo_unload_context;
break;
case 0x50:
case 0x80: /* gotta love NVIDIA's consistency.. */
case 0x90:
case 0xA0:
engine->instmem.init = nv50_instmem_init;
engine->instmem.takedown = nv50_instmem_takedown;
engine->instmem.suspend = nv50_instmem_suspend;
engine->instmem.resume = nv50_instmem_resume;
engine->instmem.populate = nv50_instmem_populate;
engine->instmem.clear = nv50_instmem_clear;
engine->instmem.bind = nv50_instmem_bind;
engine->instmem.unbind = nv50_instmem_unbind;
engine->instmem.prepare_access = nv50_instmem_prepare_access;
engine->instmem.finish_access = nv50_instmem_finish_access;
engine->mc.init = nv50_mc_init;
engine->mc.takedown = nv50_mc_takedown;
engine->timer.init = nv04_timer_init;
engine->timer.read = nv04_timer_read;
engine->timer.takedown = nv04_timer_takedown;
engine->fb.init = nouveau_stub_init;
engine->fb.takedown = nouveau_stub_takedown;
engine->graph.grclass = nv50_graph_grclass;
engine->graph.init = nv50_graph_init;
engine->graph.takedown = nv50_graph_takedown;
engine->graph.fifo_access = nv50_graph_fifo_access;
engine->graph.channel = nv50_graph_channel;
engine->graph.create_context = nv50_graph_create_context;
engine->graph.destroy_context = nv50_graph_destroy_context;
engine->graph.load_context = nv50_graph_load_context;
engine->graph.unload_context = nv50_graph_unload_context;
engine->fifo.channels = 128;
engine->fifo.init = nv50_fifo_init;
engine->fifo.takedown = nv50_fifo_takedown;
engine->fifo.disable = nv04_fifo_disable;
engine->fifo.enable = nv04_fifo_enable;
engine->fifo.reassign = nv04_fifo_reassign;
engine->fifo.channel_id = nv50_fifo_channel_id;
engine->fifo.create_context = nv50_fifo_create_context;
engine->fifo.destroy_context = nv50_fifo_destroy_context;
engine->fifo.load_context = nv50_fifo_load_context;
engine->fifo.unload_context = nv50_fifo_unload_context;
break;
default:
NV_ERROR(dev, "NV%02x unsupported\n", dev_priv->chipset);
return 1;
}
return 0;
}
static unsigned int
nouveau_vga_set_decode(void *priv, bool state)
{
struct drm_device *dev = priv;
struct drm_nouveau_private *dev_priv = dev->dev_private;
if (dev_priv->chipset >= 0x40)
nv_wr32(dev, 0x88054, state);
else
nv_wr32(dev, 0x1854, state);
if (state)
return VGA_RSRC_LEGACY_IO | VGA_RSRC_LEGACY_MEM |
VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
else
return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
}
static int
nouveau_card_init_channel(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *gpuobj;
int ret;
ret = nouveau_channel_alloc(dev, &dev_priv->channel,
(struct drm_file *)-2,
NvDmaFB, NvDmaTT);
if (ret)
return ret;
gpuobj = NULL;
ret = nouveau_gpuobj_dma_new(dev_priv->channel, NV_CLASS_DMA_IN_MEMORY,
0, nouveau_mem_fb_amount(dev),
NV_DMA_ACCESS_RW, NV_DMA_TARGET_VIDMEM,
&gpuobj);
if (ret)
goto out_err;
ret = nouveau_gpuobj_ref_add(dev, dev_priv->channel, NvDmaVRAM,
gpuobj, NULL);
if (ret)
goto out_err;
gpuobj = NULL;
ret = nouveau_gpuobj_gart_dma_new(dev_priv->channel, 0,
dev_priv->gart_info.aper_size,
NV_DMA_ACCESS_RW, &gpuobj, NULL);
if (ret)
goto out_err;
ret = nouveau_gpuobj_ref_add(dev, dev_priv->channel, NvDmaGART,
gpuobj, NULL);
if (ret)
goto out_err;
return 0;
out_err:
nouveau_gpuobj_del(dev, &gpuobj);
nouveau_channel_free(dev_priv->channel);
dev_priv->channel = NULL;
return ret;
}
static void nouveau_switcheroo_set_state(struct pci_dev *pdev,
enum vga_switcheroo_state state)
{
pm_message_t pmm = { .event = PM_EVENT_SUSPEND };
if (state == VGA_SWITCHEROO_ON) {
printk(KERN_ERR "VGA switcheroo: switched nouveau on\n");
nouveau_pci_resume(pdev);
} else {
printk(KERN_ERR "VGA switcheroo: switched nouveau off\n");
nouveau_pci_suspend(pdev, pmm);
}
}
static bool nouveau_switcheroo_can_switch(struct pci_dev *pdev)
{
struct drm_device *dev = pci_get_drvdata(pdev);
bool can_switch;
spin_lock(&dev->count_lock);
can_switch = (dev->open_count == 0);
spin_unlock(&dev->count_lock);
return can_switch;
}
int
nouveau_card_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_engine *engine;
int ret;
NV_DEBUG(dev, "prev state = %d\n", dev_priv->init_state);
if (dev_priv->init_state == NOUVEAU_CARD_INIT_DONE)
return 0;
vga_client_register(dev->pdev, dev, NULL, nouveau_vga_set_decode);
vga_switcheroo_register_client(dev->pdev, nouveau_switcheroo_set_state,
nouveau_switcheroo_can_switch);
/* Initialise internal driver API hooks */
ret = nouveau_init_engine_ptrs(dev);
if (ret)
goto out;
engine = &dev_priv->engine;
dev_priv->init_state = NOUVEAU_CARD_INIT_FAILED;
spin_lock_init(&dev_priv->context_switch_lock);
/* Parse BIOS tables / Run init tables if card not POSTed */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
ret = nouveau_bios_init(dev);
if (ret)
goto out;
}
ret = nouveau_gpuobj_early_init(dev);
if (ret)
goto out_bios;
/* Initialise instance memory, must happen before mem_init so we
* know exactly how much VRAM we're able to use for "normal"
* purposes.
*/
ret = engine->instmem.init(dev);
if (ret)
goto out_gpuobj_early;
/* Setup the memory manager */
ret = nouveau_mem_init(dev);
if (ret)
goto out_instmem;
ret = nouveau_gpuobj_init(dev);
if (ret)
goto out_mem;
/* PMC */
ret = engine->mc.init(dev);
if (ret)
goto out_gpuobj;
/* PTIMER */
ret = engine->timer.init(dev);
if (ret)
goto out_mc;
/* PFB */
ret = engine->fb.init(dev);
if (ret)
goto out_timer;
if (nouveau_noaccel)
engine->graph.accel_blocked = true;
else {
/* PGRAPH */
ret = engine->graph.init(dev);
if (ret)
goto out_fb;
/* PFIFO */
ret = engine->fifo.init(dev);
if (ret)
goto out_graph;
}
/* this call irq_preinstall, register irq handler and
* call irq_postinstall
*/
ret = drm_irq_install(dev);
if (ret)
goto out_fifo;
ret = drm_vblank_init(dev, 0);
if (ret)
goto out_irq;
/* what about PVIDEO/PCRTC/PRAMDAC etc? */
if (!engine->graph.accel_blocked) {
ret = nouveau_card_init_channel(dev);
if (ret)
goto out_irq;
}
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
if (dev_priv->card_type >= NV_50)
ret = nv50_display_create(dev);
else
ret = nv04_display_create(dev);
if (ret)
goto out_irq;
}
ret = nouveau_backlight_init(dev);
if (ret)
NV_ERROR(dev, "Error %d registering backlight\n", ret);
dev_priv->init_state = NOUVEAU_CARD_INIT_DONE;
if (drm_core_check_feature(dev, DRIVER_MODESET))
drm_helper_initial_config(dev);
return 0;
out_irq:
drm_irq_uninstall(dev);
out_fifo:
if (!nouveau_noaccel)
engine->fifo.takedown(dev);
out_graph:
if (!nouveau_noaccel)
engine->graph.takedown(dev);
out_fb:
engine->fb.takedown(dev);
out_timer:
engine->timer.takedown(dev);
out_mc:
engine->mc.takedown(dev);
out_gpuobj:
nouveau_gpuobj_takedown(dev);
out_mem:
nouveau_mem_close(dev);
out_instmem:
engine->instmem.takedown(dev);
out_gpuobj_early:
nouveau_gpuobj_late_takedown(dev);
out_bios:
nouveau_bios_takedown(dev);
out:
vga_client_register(dev->pdev, NULL, NULL, NULL);
return ret;
}
static void nouveau_card_takedown(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_engine *engine = &dev_priv->engine;
NV_DEBUG(dev, "prev state = %d\n", dev_priv->init_state);
if (dev_priv->init_state != NOUVEAU_CARD_INIT_DOWN) {
nouveau_backlight_exit(dev);
if (dev_priv->channel) {
nouveau_channel_free(dev_priv->channel);
dev_priv->channel = NULL;
}
if (!nouveau_noaccel) {
engine->fifo.takedown(dev);
engine->graph.takedown(dev);
}
engine->fb.takedown(dev);
engine->timer.takedown(dev);
engine->mc.takedown(dev);
mutex_lock(&dev->struct_mutex);
ttm_bo_clean_mm(&dev_priv->ttm.bdev, TTM_PL_VRAM);
ttm_bo_clean_mm(&dev_priv->ttm.bdev, TTM_PL_TT);
mutex_unlock(&dev->struct_mutex);
nouveau_sgdma_takedown(dev);
nouveau_gpuobj_takedown(dev);
nouveau_mem_close(dev);
engine->instmem.takedown(dev);
if (drm_core_check_feature(dev, DRIVER_MODESET))
drm_irq_uninstall(dev);
nouveau_gpuobj_late_takedown(dev);
nouveau_bios_takedown(dev);
vga_client_register(dev->pdev, NULL, NULL, NULL);
dev_priv->init_state = NOUVEAU_CARD_INIT_DOWN;
}
}
/* here a client dies, release the stuff that was allocated for its
* file_priv */
void nouveau_preclose(struct drm_device *dev, struct drm_file *file_priv)
{
nouveau_channel_cleanup(dev, file_priv);
}
/* first module load, setup the mmio/fb mapping */
/* KMS: we need mmio at load time, not when the first drm client opens. */
int nouveau_firstopen(struct drm_device *dev)
{
return 0;
}
/* if we have an OF card, copy vbios to RAMIN */
static void nouveau_OF_copy_vbios_to_ramin(struct drm_device *dev)
{
#if defined(__powerpc__)
int size, i;
const uint32_t *bios;
struct device_node *dn = pci_device_to_OF_node(dev->pdev);
if (!dn) {
NV_INFO(dev, "Unable to get the OF node\n");
return;
}
bios = of_get_property(dn, "NVDA,BMP", &size);
if (bios) {
for (i = 0; i < size; i += 4)
nv_wi32(dev, i, bios[i/4]);
NV_INFO(dev, "OF bios successfully copied (%d bytes)\n", size);
} else {
NV_INFO(dev, "Unable to get the OF bios\n");
}
#endif
}
int nouveau_load(struct drm_device *dev, unsigned long flags)
{
struct drm_nouveau_private *dev_priv;
uint32_t reg0;
resource_size_t mmio_start_offs;
dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
if (!dev_priv)
return -ENOMEM;
dev->dev_private = dev_priv;
dev_priv->dev = dev;
dev_priv->flags = flags & NOUVEAU_FLAGS;
dev_priv->init_state = NOUVEAU_CARD_INIT_DOWN;
NV_DEBUG(dev, "vendor: 0x%X device: 0x%X class: 0x%X\n",
dev->pci_vendor, dev->pci_device, dev->pdev->class);
dev_priv->wq = create_workqueue("nouveau");
if (!dev_priv->wq)
return -EINVAL;
/* resource 0 is mmio regs */
/* resource 1 is linear FB */
/* resource 2 is RAMIN (mmio regs + 0x1000000) */
/* resource 6 is bios */
/* map the mmio regs */
mmio_start_offs = pci_resource_start(dev->pdev, 0);
dev_priv->mmio = ioremap(mmio_start_offs, 0x00800000);
if (!dev_priv->mmio) {
NV_ERROR(dev, "Unable to initialize the mmio mapping. "
"Please report your setup to " DRIVER_EMAIL "\n");
return -EINVAL;
}
NV_DEBUG(dev, "regs mapped ok at 0x%llx\n",
(unsigned long long)mmio_start_offs);
#ifdef __BIG_ENDIAN
/* Put the card in BE mode if it's not */
if (nv_rd32(dev, NV03_PMC_BOOT_1))
nv_wr32(dev, NV03_PMC_BOOT_1, 0x00000001);
DRM_MEMORYBARRIER();
#endif
/* Time to determine the card architecture */
reg0 = nv_rd32(dev, NV03_PMC_BOOT_0);
/* We're dealing with >=NV10 */
if ((reg0 & 0x0f000000) > 0) {
/* Bit 27-20 contain the architecture in hex */
dev_priv->chipset = (reg0 & 0xff00000) >> 20;
/* NV04 or NV05 */
} else if ((reg0 & 0xff00fff0) == 0x20004000) {
if (reg0 & 0x00f00000)
dev_priv->chipset = 0x05;
else
dev_priv->chipset = 0x04;
} else
dev_priv->chipset = 0xff;
switch (dev_priv->chipset & 0xf0) {
case 0x00:
case 0x10:
case 0x20:
case 0x30:
dev_priv->card_type = dev_priv->chipset & 0xf0;
break;
case 0x40:
case 0x60:
dev_priv->card_type = NV_40;
break;
case 0x50:
case 0x80:
case 0x90:
case 0xa0:
dev_priv->card_type = NV_50;
break;
default:
NV_INFO(dev, "Unsupported chipset 0x%08x\n", reg0);
return -EINVAL;
}
NV_INFO(dev, "Detected an NV%2x generation card (0x%08x)\n",
dev_priv->card_type, reg0);
/* map larger RAMIN aperture on NV40 cards */
dev_priv->ramin = NULL;
if (dev_priv->card_type >= NV_40) {
int ramin_bar = 2;
if (pci_resource_len(dev->pdev, ramin_bar) == 0)
ramin_bar = 3;
dev_priv->ramin_size = pci_resource_len(dev->pdev, ramin_bar);
dev_priv->ramin = ioremap(
pci_resource_start(dev->pdev, ramin_bar),
dev_priv->ramin_size);
if (!dev_priv->ramin) {
NV_ERROR(dev, "Failed to init RAMIN mapping, "
"limited instance memory available\n");
}
}
/* On older cards (or if the above failed), create a map covering
* the BAR0 PRAMIN aperture */
if (!dev_priv->ramin) {
dev_priv->ramin_size = 1 * 1024 * 1024;
dev_priv->ramin = ioremap(mmio_start_offs + NV_RAMIN,
dev_priv->ramin_size);
if (!dev_priv->ramin) {
NV_ERROR(dev, "Failed to map BAR0 PRAMIN.\n");
return -ENOMEM;
}
}
nouveau_OF_copy_vbios_to_ramin(dev);
/* Special flags */
if (dev->pci_device == 0x01a0)
dev_priv->flags |= NV_NFORCE;
else if (dev->pci_device == 0x01f0)
dev_priv->flags |= NV_NFORCE2;
/* For kernel modesetting, init card now and bring up fbcon */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
int ret = nouveau_card_init(dev);
if (ret)
return ret;
}
return 0;
}
static void nouveau_close(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
/* In the case of an error dev_priv may not be allocated yet */
if (dev_priv)
nouveau_card_takedown(dev);
}
/* KMS: we need mmio at load time, not when the first drm client opens. */
void nouveau_lastclose(struct drm_device *dev)
{
if (drm_core_check_feature(dev, DRIVER_MODESET))
return;
nouveau_close(dev);
}
int nouveau_unload(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
if (dev_priv->card_type >= NV_50)
nv50_display_destroy(dev);
else
nv04_display_destroy(dev);
nouveau_close(dev);
}
iounmap(dev_priv->mmio);
iounmap(dev_priv->ramin);
kfree(dev_priv);
dev->dev_private = NULL;
return 0;
}
int nouveau_ioctl_getparam(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct drm_nouveau_getparam *getparam = data;
NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
switch (getparam->param) {
case NOUVEAU_GETPARAM_CHIPSET_ID:
getparam->value = dev_priv->chipset;
break;
case NOUVEAU_GETPARAM_PCI_VENDOR:
getparam->value = dev->pci_vendor;
break;
case NOUVEAU_GETPARAM_PCI_DEVICE:
getparam->value = dev->pci_device;
break;
case NOUVEAU_GETPARAM_BUS_TYPE:
if (drm_device_is_agp(dev))
getparam->value = NV_AGP;
else if (drm_device_is_pcie(dev))
getparam->value = NV_PCIE;
else
getparam->value = NV_PCI;
break;
case NOUVEAU_GETPARAM_FB_PHYSICAL:
getparam->value = dev_priv->fb_phys;
break;
case NOUVEAU_GETPARAM_AGP_PHYSICAL:
getparam->value = dev_priv->gart_info.aper_base;
break;
case NOUVEAU_GETPARAM_PCI_PHYSICAL:
if (dev->sg) {
getparam->value = (unsigned long)dev->sg->virtual;
} else {
NV_ERROR(dev, "Requested PCIGART address, "
"while no PCIGART was created\n");
return -EINVAL;
}
break;
case NOUVEAU_GETPARAM_FB_SIZE:
getparam->value = dev_priv->fb_available_size;
break;
case NOUVEAU_GETPARAM_AGP_SIZE:
getparam->value = dev_priv->gart_info.aper_size;
break;
case NOUVEAU_GETPARAM_VM_VRAM_BASE:
getparam->value = dev_priv->vm_vram_base;
break;
case NOUVEAU_GETPARAM_GRAPH_UNITS:
/* NV40 and NV50 versions are quite different, but register
* address is the same. User is supposed to know the card
* family anyway... */
if (dev_priv->chipset >= 0x40) {
getparam->value = nv_rd32(dev, NV40_PMC_GRAPH_UNITS);
break;
}
/* FALLTHRU */
default:
NV_ERROR(dev, "unknown parameter %lld\n", getparam->param);
return -EINVAL;
}
return 0;
}
int
nouveau_ioctl_setparam(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_nouveau_setparam *setparam = data;
NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
switch (setparam->param) {
default:
NV_ERROR(dev, "unknown parameter %lld\n", setparam->param);
return -EINVAL;
}
return 0;
}
/* Wait until (value(reg) & mask) == val, up until timeout has hit */
bool nouveau_wait_until(struct drm_device *dev, uint64_t timeout,
uint32_t reg, uint32_t mask, uint32_t val)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
uint64_t start = ptimer->read(dev);
do {
if ((nv_rd32(dev, reg) & mask) == val)
return true;
} while (ptimer->read(dev) - start < timeout);
return false;
}
/* Waits for PGRAPH to go completely idle */
bool nouveau_wait_for_idle(struct drm_device *dev)
{
if (!nv_wait(NV04_PGRAPH_STATUS, 0xffffffff, 0x00000000)) {
NV_ERROR(dev, "PGRAPH idle timed out with status 0x%08x\n",
nv_rd32(dev, NV04_PGRAPH_STATUS));
return false;
}
return true;
}
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