| /* |
| * 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 != 0x86) |
| engine->graph.tlb_flush = nv50_graph_tlb_flush; |
| else { |
| /* from what i can see nvidia do this on every |
| * pre-NVA3 board except NVAC, but, we've only |
| * ever seen problems on NV86 |
| */ |
| engine->graph.tlb_flush = nv86_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); |
| |
| /* 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; |
| } |
| |
