diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_state.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_state.c | 850 |
1 files changed, 850 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c new file mode 100644 index 000000000000..e76ec2d207a9 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -0,0 +1,850 @@ +/* + * 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 "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.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->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->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.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->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->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.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->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->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.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->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->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.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) +{ + 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; +} + +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); + + /* 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; + + /* 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; + + /* 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: + engine->fifo.takedown(dev); +out_graph: + 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; + } + + 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_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->acpi_dsm = nouveau_dsm_probe(dev); + + if (dev_priv->acpi_dsm) + nouveau_hybrid_setup(dev); + + 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) { + 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 be allocated yet */ + if (dev_priv && dev_priv->card_type) + 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_card_init(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + return nouveau_card_init(dev); +} + +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; + 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; +} + |