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linux/drivers/gpu/drm/nouveau/nouveau_state.c
Ben Skeggs 04eb34a43c drm/nouveau: split ramin_lock into two locks, one hardirq safe 
Fixes a possible lock ordering reversal between context_switch_lock
and ramin_lock.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Francisco Jerez <currojerez@riseup.net>
2011-04-20 08:50:14 +10:00

1164 lines
37 KiB
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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 <linux/slab.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 "nouveau_fbcon.h"
#include "nouveau_ramht.h"
#include "nouveau_pm.h"
#include "nv50_display.h"
static void nouveau_stub_takedown(struct drm_device *dev) {}
static int nouveau_stub_init(struct drm_device *dev) { return 0; }
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.get = nv04_instmem_get;
engine->instmem.put = nv04_instmem_put;
engine->instmem.map = nv04_instmem_map;
engine->instmem.unmap = nv04_instmem_unmap;
engine->instmem.flush = nv04_instmem_flush;
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.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 = nv04_fifo_fini;
engine->fifo.disable = nv04_fifo_disable;
engine->fifo.enable = nv04_fifo_enable;
engine->fifo.reassign = nv04_fifo_reassign;
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;
engine->display.early_init = nv04_display_early_init;
engine->display.late_takedown = nv04_display_late_takedown;
engine->display.create = nv04_display_create;
engine->display.init = nv04_display_init;
engine->display.destroy = nv04_display_destroy;
engine->gpio.init = nouveau_stub_init;
engine->gpio.takedown = nouveau_stub_takedown;
engine->gpio.get = NULL;
engine->gpio.set = NULL;
engine->gpio.irq_enable = NULL;
engine->pm.clock_get = nv04_pm_clock_get;
engine->pm.clock_pre = nv04_pm_clock_pre;
engine->pm.clock_set = nv04_pm_clock_set;
engine->crypt.init = nouveau_stub_init;
engine->crypt.takedown = nouveau_stub_takedown;
engine->vram.init = nouveau_mem_detect;
engine->vram.flags_valid = nouveau_mem_flags_valid;
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.get = nv04_instmem_get;
engine->instmem.put = nv04_instmem_put;
engine->instmem.map = nv04_instmem_map;
engine->instmem.unmap = nv04_instmem_unmap;
engine->instmem.flush = nv04_instmem_flush;
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.init_tile_region = nv10_fb_init_tile_region;
engine->fb.set_tile_region = nv10_fb_set_tile_region;
engine->fb.free_tile_region = nv10_fb_free_tile_region;
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_tile_region = nv10_graph_set_tile_region;
engine->fifo.channels = 32;
engine->fifo.init = nv10_fifo_init;
engine->fifo.takedown = nv04_fifo_fini;
engine->fifo.disable = nv04_fifo_disable;
engine->fifo.enable = nv04_fifo_enable;
engine->fifo.reassign = nv04_fifo_reassign;
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 = nv04_fifo_destroy_context;
engine->fifo.load_context = nv10_fifo_load_context;
engine->fifo.unload_context = nv10_fifo_unload_context;
engine->display.early_init = nv04_display_early_init;
engine->display.late_takedown = nv04_display_late_takedown;
engine->display.create = nv04_display_create;
engine->display.init = nv04_display_init;
engine->display.destroy = nv04_display_destroy;
engine->gpio.init = nouveau_stub_init;
engine->gpio.takedown = nouveau_stub_takedown;
engine->gpio.get = nv10_gpio_get;
engine->gpio.set = nv10_gpio_set;
engine->gpio.irq_enable = NULL;
engine->pm.clock_get = nv04_pm_clock_get;
engine->pm.clock_pre = nv04_pm_clock_pre;
engine->pm.clock_set = nv04_pm_clock_set;
engine->crypt.init = nouveau_stub_init;
engine->crypt.takedown = nouveau_stub_takedown;
engine->vram.init = nouveau_mem_detect;
engine->vram.flags_valid = nouveau_mem_flags_valid;
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.get = nv04_instmem_get;
engine->instmem.put = nv04_instmem_put;
engine->instmem.map = nv04_instmem_map;
engine->instmem.unmap = nv04_instmem_unmap;
engine->instmem.flush = nv04_instmem_flush;
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.init_tile_region = nv10_fb_init_tile_region;
engine->fb.set_tile_region = nv10_fb_set_tile_region;
engine->fb.free_tile_region = nv10_fb_free_tile_region;
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_tile_region = nv20_graph_set_tile_region;
engine->fifo.channels = 32;
engine->fifo.init = nv10_fifo_init;
engine->fifo.takedown = nv04_fifo_fini;
engine->fifo.disable = nv04_fifo_disable;
engine->fifo.enable = nv04_fifo_enable;
engine->fifo.reassign = nv04_fifo_reassign;
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 = nv04_fifo_destroy_context;
engine->fifo.load_context = nv10_fifo_load_context;
engine->fifo.unload_context = nv10_fifo_unload_context;
engine->display.early_init = nv04_display_early_init;
engine->display.late_takedown = nv04_display_late_takedown;
engine->display.create = nv04_display_create;
engine->display.init = nv04_display_init;
engine->display.destroy = nv04_display_destroy;
engine->gpio.init = nouveau_stub_init;
engine->gpio.takedown = nouveau_stub_takedown;
engine->gpio.get = nv10_gpio_get;
engine->gpio.set = nv10_gpio_set;
engine->gpio.irq_enable = NULL;
engine->pm.clock_get = nv04_pm_clock_get;
engine->pm.clock_pre = nv04_pm_clock_pre;
engine->pm.clock_set = nv04_pm_clock_set;
engine->crypt.init = nouveau_stub_init;
engine->crypt.takedown = nouveau_stub_takedown;
engine->vram.init = nouveau_mem_detect;
engine->vram.flags_valid = nouveau_mem_flags_valid;
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.get = nv04_instmem_get;
engine->instmem.put = nv04_instmem_put;
engine->instmem.map = nv04_instmem_map;
engine->instmem.unmap = nv04_instmem_unmap;
engine->instmem.flush = nv04_instmem_flush;
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 = nv30_fb_init;
engine->fb.takedown = nv30_fb_takedown;
engine->fb.init_tile_region = nv30_fb_init_tile_region;
engine->fb.set_tile_region = nv10_fb_set_tile_region;
engine->fb.free_tile_region = nv30_fb_free_tile_region;
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_tile_region = nv20_graph_set_tile_region;
engine->fifo.channels = 32;
engine->fifo.init = nv10_fifo_init;
engine->fifo.takedown = nv04_fifo_fini;
engine->fifo.disable = nv04_fifo_disable;
engine->fifo.enable = nv04_fifo_enable;
engine->fifo.reassign = nv04_fifo_reassign;
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 = nv04_fifo_destroy_context;
engine->fifo.load_context = nv10_fifo_load_context;
engine->fifo.unload_context = nv10_fifo_unload_context;
engine->display.early_init = nv04_display_early_init;
engine->display.late_takedown = nv04_display_late_takedown;
engine->display.create = nv04_display_create;
engine->display.init = nv04_display_init;
engine->display.destroy = nv04_display_destroy;
engine->gpio.init = nouveau_stub_init;
engine->gpio.takedown = nouveau_stub_takedown;
engine->gpio.get = nv10_gpio_get;
engine->gpio.set = nv10_gpio_set;
engine->gpio.irq_enable = NULL;
engine->pm.clock_get = nv04_pm_clock_get;
engine->pm.clock_pre = nv04_pm_clock_pre;
engine->pm.clock_set = nv04_pm_clock_set;
engine->pm.voltage_get = nouveau_voltage_gpio_get;
engine->pm.voltage_set = nouveau_voltage_gpio_set;
engine->crypt.init = nouveau_stub_init;
engine->crypt.takedown = nouveau_stub_takedown;
engine->vram.init = nouveau_mem_detect;
engine->vram.flags_valid = nouveau_mem_flags_valid;
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.get = nv04_instmem_get;
engine->instmem.put = nv04_instmem_put;
engine->instmem.map = nv04_instmem_map;
engine->instmem.unmap = nv04_instmem_unmap;
engine->instmem.flush = nv04_instmem_flush;
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.init_tile_region = nv30_fb_init_tile_region;
engine->fb.set_tile_region = nv40_fb_set_tile_region;
engine->fb.free_tile_region = nv30_fb_free_tile_region;
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_tile_region = nv40_graph_set_tile_region;
engine->fifo.channels = 32;
engine->fifo.init = nv40_fifo_init;
engine->fifo.takedown = nv04_fifo_fini;
engine->fifo.disable = nv04_fifo_disable;
engine->fifo.enable = nv04_fifo_enable;
engine->fifo.reassign = nv04_fifo_reassign;
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 = nv04_fifo_destroy_context;
engine->fifo.load_context = nv40_fifo_load_context;
engine->fifo.unload_context = nv40_fifo_unload_context;
engine->display.early_init = nv04_display_early_init;
engine->display.late_takedown = nv04_display_late_takedown;
engine->display.create = nv04_display_create;
engine->display.init = nv04_display_init;
engine->display.destroy = nv04_display_destroy;
engine->gpio.init = nouveau_stub_init;
engine->gpio.takedown = nouveau_stub_takedown;
engine->gpio.get = nv10_gpio_get;
engine->gpio.set = nv10_gpio_set;
engine->gpio.irq_enable = NULL;
engine->pm.clock_get = nv04_pm_clock_get;
engine->pm.clock_pre = nv04_pm_clock_pre;
engine->pm.clock_set = nv04_pm_clock_set;
engine->pm.voltage_get = nouveau_voltage_gpio_get;
engine->pm.voltage_set = nouveau_voltage_gpio_set;
engine->pm.temp_get = nv40_temp_get;
engine->crypt.init = nouveau_stub_init;
engine->crypt.takedown = nouveau_stub_takedown;
engine->vram.init = nouveau_mem_detect;
engine->vram.flags_valid = nouveau_mem_flags_valid;
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.get = nv50_instmem_get;
engine->instmem.put = nv50_instmem_put;
engine->instmem.map = nv50_instmem_map;
engine->instmem.unmap = nv50_instmem_unmap;
if (dev_priv->chipset == 0x50)
engine->instmem.flush = nv50_instmem_flush;
else
engine->instmem.flush = nv84_instmem_flush;
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 = nv50_fb_init;
engine->fb.takedown = nv50_fb_takedown;
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;
if (dev_priv->chipset == 0x50 ||
dev_priv->chipset == 0xac)
engine->graph.tlb_flush = nv50_graph_tlb_flush;
else
engine->graph.tlb_flush = nv84_graph_tlb_flush;
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;
engine->fifo.tlb_flush = nv50_fifo_tlb_flush;
engine->display.early_init = nv50_display_early_init;
engine->display.late_takedown = nv50_display_late_takedown;
engine->display.create = nv50_display_create;
engine->display.init = nv50_display_init;
engine->display.destroy = nv50_display_destroy;
engine->gpio.init = nv50_gpio_init;
engine->gpio.takedown = nv50_gpio_fini;
engine->gpio.get = nv50_gpio_get;
engine->gpio.set = nv50_gpio_set;
engine->gpio.irq_register = nv50_gpio_irq_register;
engine->gpio.irq_unregister = nv50_gpio_irq_unregister;
engine->gpio.irq_enable = nv50_gpio_irq_enable;
switch (dev_priv->chipset) {
case 0x84:
case 0x86:
case 0x92:
case 0x94:
case 0x96:
case 0x98:
case 0xa0:
case 0xaa:
case 0xac:
case 0x50:
engine->pm.clock_get = nv50_pm_clock_get;
engine->pm.clock_pre = nv50_pm_clock_pre;
engine->pm.clock_set = nv50_pm_clock_set;
break;
default:
engine->pm.clock_get = nva3_pm_clock_get;
engine->pm.clock_pre = nva3_pm_clock_pre;
engine->pm.clock_set = nva3_pm_clock_set;
break;
}
engine->pm.voltage_get = nouveau_voltage_gpio_get;
engine->pm.voltage_set = nouveau_voltage_gpio_set;
if (dev_priv->chipset >= 0x84)
engine->pm.temp_get = nv84_temp_get;
else
engine->pm.temp_get = nv40_temp_get;
switch (dev_priv->chipset) {
case 0x84:
case 0x86:
case 0x92:
case 0x94:
case 0x96:
case 0xa0:
engine->crypt.init = nv84_crypt_init;
engine->crypt.takedown = nv84_crypt_fini;
engine->crypt.create_context = nv84_crypt_create_context;
engine->crypt.destroy_context = nv84_crypt_destroy_context;
engine->crypt.tlb_flush = nv84_crypt_tlb_flush;
break;
default:
engine->crypt.init = nouveau_stub_init;
engine->crypt.takedown = nouveau_stub_takedown;
break;
}
engine->vram.init = nv50_vram_init;
engine->vram.get = nv50_vram_new;
engine->vram.put = nv50_vram_del;
engine->vram.flags_valid = nv50_vram_flags_valid;
break;
case 0xC0:
engine->instmem.init = nvc0_instmem_init;
engine->instmem.takedown = nvc0_instmem_takedown;
engine->instmem.suspend = nvc0_instmem_suspend;
engine->instmem.resume = nvc0_instmem_resume;
engine->instmem.get = nv50_instmem_get;
engine->instmem.put = nv50_instmem_put;
engine->instmem.map = nv50_instmem_map;
engine->instmem.unmap = nv50_instmem_unmap;
engine->instmem.flush = nv84_instmem_flush;
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 = nvc0_fb_init;
engine->fb.takedown = nvc0_fb_takedown;
engine->graph.init = nvc0_graph_init;
engine->graph.takedown = nvc0_graph_takedown;
engine->graph.fifo_access = nvc0_graph_fifo_access;
engine->graph.channel = nvc0_graph_channel;
engine->graph.create_context = nvc0_graph_create_context;
engine->graph.destroy_context = nvc0_graph_destroy_context;
engine->graph.load_context = nvc0_graph_load_context;
engine->graph.unload_context = nvc0_graph_unload_context;
engine->fifo.channels = 128;
engine->fifo.init = nvc0_fifo_init;
engine->fifo.takedown = nvc0_fifo_takedown;
engine->fifo.disable = nvc0_fifo_disable;
engine->fifo.enable = nvc0_fifo_enable;
engine->fifo.reassign = nvc0_fifo_reassign;
engine->fifo.channel_id = nvc0_fifo_channel_id;
engine->fifo.create_context = nvc0_fifo_create_context;
engine->fifo.destroy_context = nvc0_fifo_destroy_context;
engine->fifo.load_context = nvc0_fifo_load_context;
engine->fifo.unload_context = nvc0_fifo_unload_context;
engine->display.early_init = nv50_display_early_init;
engine->display.late_takedown = nv50_display_late_takedown;
engine->display.create = nv50_display_create;
engine->display.init = nv50_display_init;
engine->display.destroy = nv50_display_destroy;
engine->gpio.init = nv50_gpio_init;
engine->gpio.takedown = nouveau_stub_takedown;
engine->gpio.get = nv50_gpio_get;
engine->gpio.set = nv50_gpio_set;
engine->gpio.irq_register = nv50_gpio_irq_register;
engine->gpio.irq_unregister = nv50_gpio_irq_unregister;
engine->gpio.irq_enable = nv50_gpio_irq_enable;
engine->crypt.init = nouveau_stub_init;
engine->crypt.takedown = nouveau_stub_takedown;
engine->vram.init = nvc0_vram_init;
engine->vram.get = nvc0_vram_new;
engine->vram.put = nv50_vram_del;
engine->vram.flags_valid = nvc0_vram_flags_valid;
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;
int ret;
ret = nouveau_channel_alloc(dev, &dev_priv->channel,
(struct drm_file *)-2, NvDmaFB, NvDmaTT);
if (ret)
return ret;
mutex_unlock(&dev_priv->channel->mutex);
return 0;
}
static void nouveau_switcheroo_set_state(struct pci_dev *pdev,
enum vga_switcheroo_state state)
{
struct drm_device *dev = pci_get_drvdata(pdev);
pm_message_t pmm = { .event = PM_EVENT_SUSPEND };
if (state == VGA_SWITCHEROO_ON) {
printk(KERN_ERR "VGA switcheroo: switched nouveau on\n");
dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
nouveau_pci_resume(pdev);
drm_kms_helper_poll_enable(dev);
dev->switch_power_state = DRM_SWITCH_POWER_ON;
} else {
printk(KERN_ERR "VGA switcheroo: switched nouveau off\n");
dev->switch_power_state = DRM_SWITCH_POWER_CHANGING;
drm_kms_helper_poll_disable(dev);
nouveau_pci_suspend(pdev, pmm);
dev->switch_power_state = DRM_SWITCH_POWER_OFF;
}
}
static void nouveau_switcheroo_reprobe(struct pci_dev *pdev)
{
struct drm_device *dev = pci_get_drvdata(pdev);
nouveau_fbcon_output_poll_changed(dev);
}
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;
vga_client_register(dev->pdev, dev, NULL, nouveau_vga_set_decode);
vga_switcheroo_register_client(dev->pdev, nouveau_switcheroo_set_state,
nouveau_switcheroo_reprobe,
nouveau_switcheroo_can_switch);
/* Initialise internal driver API hooks */
ret = nouveau_init_engine_ptrs(dev);
if (ret)
goto out;
engine = &dev_priv->engine;
spin_lock_init(&dev_priv->channels.lock);
spin_lock_init(&dev_priv->tile.lock);
spin_lock_init(&dev_priv->context_switch_lock);
spin_lock_init(&dev_priv->vm_lock);
/* Make the CRTCs and I2C buses accessible */
ret = engine->display.early_init(dev);
if (ret)
goto out;
/* Parse BIOS tables / Run init tables if card not POSTed */
ret = nouveau_bios_init(dev);
if (ret)
goto out_display_early;
nouveau_pm_init(dev);
ret = nouveau_mem_vram_init(dev);
if (ret)
goto out_bios;
ret = nouveau_gpuobj_init(dev);
if (ret)
goto out_vram;
ret = engine->instmem.init(dev);
if (ret)
goto out_gpuobj;
ret = nouveau_mem_gart_init(dev);
if (ret)
goto out_instmem;
/* PMC */
ret = engine->mc.init(dev);
if (ret)
goto out_gart;
/* PGPIO */
ret = engine->gpio.init(dev);
if (ret)
goto out_mc;
/* PTIMER */
ret = engine->timer.init(dev);
if (ret)
goto out_gpio;
/* 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;
/* PCRYPT */
ret = engine->crypt.init(dev);
if (ret)
goto out_graph;
/* PFIFO */
ret = engine->fifo.init(dev);
if (ret)
goto out_crypt;
}
ret = engine->display.create(dev);
if (ret)
goto out_fifo;
ret = drm_vblank_init(dev, nv_two_heads(dev) ? 2 : 1);
if (ret)
goto out_vblank;
ret = nouveau_irq_init(dev);
if (ret)
goto out_vblank;
/* what about PVIDEO/PCRTC/PRAMDAC etc? */
if (!engine->graph.accel_blocked) {
ret = nouveau_fence_init(dev);
if (ret)
goto out_irq;
ret = nouveau_card_init_channel(dev);
if (ret)
goto out_fence;
}
nouveau_fbcon_init(dev);
drm_kms_helper_poll_init(dev);
return 0;
out_fence:
nouveau_fence_fini(dev);
out_irq:
nouveau_irq_fini(dev);
out_vblank:
drm_vblank_cleanup(dev);
engine->display.destroy(dev);
out_fifo:
if (!nouveau_noaccel)
engine->fifo.takedown(dev);
out_crypt:
if (!nouveau_noaccel)
engine->crypt.takedown(dev);
out_graph:
if (!nouveau_noaccel)
engine->graph.takedown(dev);
out_fb:
engine->fb.takedown(dev);
out_timer:
engine->timer.takedown(dev);
out_gpio:
engine->gpio.takedown(dev);
out_mc:
engine->mc.takedown(dev);
out_gart:
nouveau_mem_gart_fini(dev);
out_instmem:
engine->instmem.takedown(dev);
out_gpuobj:
nouveau_gpuobj_takedown(dev);
out_vram:
nouveau_mem_vram_fini(dev);
out_bios:
nouveau_pm_fini(dev);
nouveau_bios_takedown(dev);
out_display_early:
engine->display.late_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;
if (!engine->graph.accel_blocked) {
nouveau_fence_fini(dev);
nouveau_channel_put_unlocked(&dev_priv->channel);
}
if (!nouveau_noaccel) {
engine->fifo.takedown(dev);
engine->crypt.takedown(dev);
engine->graph.takedown(dev);
}
engine->fb.takedown(dev);
engine->timer.takedown(dev);
engine->gpio.takedown(dev);
engine->mc.takedown(dev);
engine->display.late_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_mem_gart_fini(dev);
engine->instmem.takedown(dev);
nouveau_gpuobj_takedown(dev);
nouveau_mem_vram_fini(dev);
nouveau_irq_fini(dev);
drm_vblank_cleanup(dev);
nouveau_pm_fini(dev);
nouveau_bios_takedown(dev);
vga_client_register(dev->pdev, NULL, NULL, NULL);
}
/* 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
}
static struct apertures_struct *nouveau_get_apertures(struct drm_device *dev)
{
struct pci_dev *pdev = dev->pdev;
struct apertures_struct *aper = alloc_apertures(3);
if (!aper)
return NULL;
aper->ranges[0].base = pci_resource_start(pdev, 1);
aper->ranges[0].size = pci_resource_len(pdev, 1);
aper->count = 1;
if (pci_resource_len(pdev, 2)) {
aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
aper->count++;
}
if (pci_resource_len(pdev, 3)) {
aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
aper->count++;
}
return aper;
}
static int nouveau_remove_conflicting_drivers(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
bool primary = false;
dev_priv->apertures = nouveau_get_apertures(dev);
if (!dev_priv->apertures)
return -ENOMEM;
#ifdef CONFIG_X86
primary = dev->pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
#endif
remove_conflicting_framebuffers(dev_priv->apertures, "nouveaufb", primary);
return 0;
}
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;
int ret;
dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
if (!dev_priv) {
ret = -ENOMEM;
goto err_out;
}
dev->dev_private = dev_priv;
dev_priv->dev = dev;
dev_priv->flags = flags & NOUVEAU_FLAGS;
NV_DEBUG(dev, "vendor: 0x%X device: 0x%X class: 0x%X\n",
dev->pci_vendor, dev->pci_device, dev->pdev->class);
/* 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");
ret = -EINVAL;
goto err_priv;
}
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;
case 0xc0:
dev_priv->card_type = NV_C0;
break;
default:
NV_INFO(dev, "Unsupported chipset 0x%08x\n", reg0);
ret = -EINVAL;
goto err_mmio;
}
NV_INFO(dev, "Detected an NV%2x generation card (0x%08x)\n",
dev_priv->card_type, reg0);
ret = nouveau_remove_conflicting_drivers(dev);
if (ret)
goto err_mmio;
/* Map PRAMIN BAR, or on older cards, the aperture within BAR0 */
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 PRAMIN BAR");
ret = -ENOMEM;
goto err_mmio;
}
} else {
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");
ret = -ENOMEM;
goto err_mmio;
}
}
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 */
ret = nouveau_card_init(dev);
if (ret)
goto err_ramin;
return 0;
err_ramin:
iounmap(dev_priv->ramin);
err_mmio:
iounmap(dev_priv->mmio);
err_priv:
kfree(dev_priv);
dev->dev_private = NULL;
err_out:
return ret;
}
void nouveau_lastclose(struct drm_device *dev)
{
vga_switcheroo_process_delayed_switch();
}
int nouveau_unload(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_engine *engine = &dev_priv->engine;
drm_kms_helper_poll_fini(dev);
nouveau_fbcon_fini(dev);
engine->display.destroy(dev);
nouveau_card_takedown(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;
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_pci_device_is_agp(dev))
getparam->value = NV_AGP;
else if (drm_pci_device_is_pcie(dev))
getparam->value = NV_PCIE;
else
getparam->value = NV_PCI;
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 = 0; /* deprecated */
break;
case NOUVEAU_GETPARAM_PTIMER_TIME:
getparam->value = dev_priv->engine.timer.read(dev);
break;
case NOUVEAU_GETPARAM_HAS_BO_USAGE:
getparam->value = 1;
break;
case NOUVEAU_GETPARAM_HAS_PAGEFLIP:
getparam->value = 1;
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_DEBUG(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;
switch (setparam->param) {
default:
NV_DEBUG(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_eq(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;
}
/* Wait until (value(reg) & mask) != val, up until timeout has hit */
bool
nouveau_wait_ne(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)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t mask = ~0;
if (dev_priv->card_type == NV_40)
mask &= ~NV40_PGRAPH_STATUS_SYNC_STALL;
if (!nv_wait(dev, NV04_PGRAPH_STATUS, mask, 0)) {
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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