diff options
Diffstat (limited to 'shared-core/i915_init.c')
| -rw-r--r-- | shared-core/i915_init.c | 552 |
1 files changed, 0 insertions, 552 deletions
diff --git a/shared-core/i915_init.c b/shared-core/i915_init.c deleted file mode 100644 index b513379a..00000000 --- a/shared-core/i915_init.c +++ /dev/null @@ -1,552 +0,0 @@ -/* - * Copyright (c) 2007 Intel Corporation - * Jesse Barnes <jesse.barnes@intel.com> - * - * Copyright © 2002, 2003 David Dawes <dawes@xfree86.org> - * 2004 Sylvain Meyer - * - * GPL/BSD dual license - */ -#include "drmP.h" -#include "drm.h" -#include "drm_sarea.h" -#include "i915_drm.h" -#include "i915_drv.h" -#include "intel_bios.h" -#include "intel_drv.h" - -/** - * i915_probe_agp - get AGP bootup configuration - * @pdev: PCI device - * @aperture_size: returns AGP aperture configured size - * @preallocated_size: returns size of BIOS preallocated AGP space - * - * Since Intel integrated graphics are UMA, the BIOS has to set aside - * some RAM for the framebuffer at early boot. This code figures out - * how much was set aside so we can use it for our own purposes. - */ -int i915_probe_agp(struct pci_dev *pdev, unsigned long *aperture_size, - unsigned long *preallocated_size) -{ - struct pci_dev *bridge_dev; - u16 tmp = 0; - unsigned long overhead; - - bridge_dev = pci_get_bus_and_slot(0, PCI_DEVFN(0,0)); - if (!bridge_dev) { - DRM_ERROR("bridge device not found\n"); - return -1; - } - - /* Get the fb aperture size and "stolen" memory amount. */ - pci_read_config_word(bridge_dev, INTEL_GMCH_CTRL, &tmp); - pci_dev_put(bridge_dev); - - *aperture_size = 1024 * 1024; - *preallocated_size = 1024 * 1024; - - switch (pdev->device) { - case PCI_DEVICE_ID_INTEL_82830_CGC: - case PCI_DEVICE_ID_INTEL_82845G_IG: - case PCI_DEVICE_ID_INTEL_82855GM_IG: - case PCI_DEVICE_ID_INTEL_82865_IG: - if ((tmp & INTEL_GMCH_MEM_MASK) == INTEL_GMCH_MEM_64M) - *aperture_size *= 64; - else - *aperture_size *= 128; - break; - default: - /* 9xx supports large sizes, just look at the length */ - *aperture_size = pci_resource_len(pdev, 2); - break; - } - - /* - * Some of the preallocated space is taken by the GTT - * and popup. GTT is 1K per MB of aperture size, and popup is 4K. - */ - overhead = (*aperture_size / 1024) + 4096; - switch (tmp & INTEL_855_GMCH_GMS_MASK) { - case INTEL_855_GMCH_GMS_STOLEN_1M: - break; /* 1M already */ - case INTEL_855_GMCH_GMS_STOLEN_4M: - *preallocated_size *= 4; - break; - case INTEL_855_GMCH_GMS_STOLEN_8M: - *preallocated_size *= 8; - break; - case INTEL_855_GMCH_GMS_STOLEN_16M: - *preallocated_size *= 16; - break; - case INTEL_855_GMCH_GMS_STOLEN_32M: - *preallocated_size *= 32; - break; - case INTEL_915G_GMCH_GMS_STOLEN_48M: - *preallocated_size *= 48; - break; - case INTEL_915G_GMCH_GMS_STOLEN_64M: - *preallocated_size *= 64; - break; - case INTEL_855_GMCH_GMS_DISABLED: - DRM_ERROR("video memory is disabled\n"); - return -1; - default: - DRM_ERROR("unexpected GMCH_GMS value: 0x%02x\n", - tmp & INTEL_855_GMCH_GMS_MASK); - return -1; - } - *preallocated_size -= overhead; - - return 0; -} - -static int -i915_init_hardware_status(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - drm_dma_handle_t *dmah; - int ret = 0; - -#ifdef __FreeBSD__ - DRM_UNLOCK(); -#endif - dmah = drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, - 0xffffffff); -#ifdef __FreeBSD__ - DRM_LOCK(); -#endif - if (!dmah) { - DRM_ERROR("Can not allocate hardware status page\n"); - ret = -ENOMEM; - goto out; - } - dev_priv->status_page_dmah = dmah; - dev_priv->hw_status_page = dmah->vaddr; - dev_priv->dma_status_page = dmah->busaddr; - - memset(dev_priv->hw_status_page, 0, PAGE_SIZE); - - I915_WRITE(HWS_PGA, dev_priv->dma_status_page); - DRM_DEBUG("hws kernel virt: 0x%p\n", dev_priv->hw_status_page); - -out: - return ret; -} - -void i915_free_hardware_status(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - if (dev_priv->status_page_dmah) { - drm_pci_free(dev, dev_priv->status_page_dmah); - dev_priv->status_page_dmah = NULL; - /* Need to rewrite hardware status page */ - I915_WRITE(0x02080, 0x1ffff000); - } - - if (dev_priv->status_gfx_addr) { - dev_priv->status_gfx_addr = 0; - drm_core_ioremapfree(&dev_priv->hws_map, dev); - I915_WRITE(0x02080, 0x1ffff000); - } -} - -static int i915_load_modeset_init(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - unsigned long agp_size, prealloc_size; - int ret = 0; - - i915_probe_agp(dev->pdev, &agp_size, &prealloc_size); - - /* Basic memrange allocator for stolen space (aka vram) */ - drm_mm_init(&dev_priv->vram, 0, prealloc_size); - /* Let GEM Manage from end of prealloc space to end of aperture */ - i915_gem_do_init(dev, prealloc_size, agp_size); - - ret = i915_gem_init_ringbuffer(dev); - if (ret) - goto out; - - /* Allow hardware batchbuffers unless told otherwise. - */ - dev_priv->allow_batchbuffer = 1; - dev_priv->max_validate_buffers = I915_MAX_VALIDATE_BUFFERS; - mutex_init(&dev_priv->cmdbuf_mutex); - - dev_priv->wq = create_singlethread_workqueue("i915"); - if (dev_priv->wq == 0) { - DRM_DEBUG("Error\n"); - ret = -EINVAL; - goto destroy_ringbuffer; - } - - ret = intel_init_bios(dev); - if (ret) { - DRM_ERROR("failed to find VBIOS tables\n"); - ret = -ENODEV; - goto destroy_wq; - } - - intel_modeset_init(dev); - drm_helper_initial_config(dev, false); - - dev->devname = kstrdup(DRIVER_NAME, GFP_KERNEL); - if (!dev->devname) { - ret = -ENOMEM; - goto modeset_cleanup; - } - - ret = drm_irq_install(dev); - if (ret) { - kfree(dev->devname); - goto modeset_cleanup; - } - return 0; - -modeset_cleanup: - intel_modeset_cleanup(dev); -destroy_wq: - destroy_workqueue(dev_priv->wq); -destroy_ringbuffer: - i915_gem_cleanup_ringbuffer(dev); -out: - return ret; -} - -/** - * i915_driver_load - setup chip and create an initial config - * @dev: DRM device - * @flags: startup flags - * - * The driver load routine has to do several things: - * - drive output discovery via intel_modeset_init() - * - initialize the memory manager - * - allocate initial config memory - * - setup the DRM framebuffer with the allocated memory - */ -int i915_driver_load(struct drm_device *dev, unsigned long flags) -{ - struct drm_i915_private *dev_priv; - int ret = 0, num_pipes = 2; - u32 tmp; - - dev_priv = drm_alloc(sizeof(struct drm_i915_private), DRM_MEM_DRIVER); - if (dev_priv == NULL) - return -ENOMEM; - - memset(dev_priv, 0, sizeof(struct drm_i915_private)); - dev->dev_private = (void *)dev_priv; - dev_priv->dev = dev; - - /* i915 has 4 more counters */ - dev->counters += 4; - dev->types[6] = _DRM_STAT_IRQ; - dev->types[7] = _DRM_STAT_PRIMARY; - dev->types[8] = _DRM_STAT_SECONDARY; - dev->types[9] = _DRM_STAT_DMA; - - if (IS_MOBILE(dev) || IS_I9XX(dev)) - dev_priv->cursor_needs_physical = true; - else - dev_priv->cursor_needs_physical = false; - - if (IS_I965G(dev) || IS_G33(dev)) - dev_priv->cursor_needs_physical = false; - - if (IS_I9XX(dev)) - pci_read_config_dword(dev->pdev, 0x5C, &dev_priv->stolen_base); - - if (IS_I9XX(dev)) { - dev_priv->mmiobase = drm_get_resource_start(dev, 0); - dev_priv->mmiolen = drm_get_resource_len(dev, 0); - dev->mode_config.fb_base = - drm_get_resource_start(dev, 2) & 0xff000000; - } else if (drm_get_resource_start(dev, 1)) { - dev_priv->mmiobase = drm_get_resource_start(dev, 1); - dev_priv->mmiolen = drm_get_resource_len(dev, 1); - dev->mode_config.fb_base = - drm_get_resource_start(dev, 0) & 0xff000000; - } else { - DRM_ERROR("Unable to find MMIO registers\n"); - ret = -ENODEV; - goto free_priv; - } - - DRM_DEBUG("fb_base: 0x%08lx\n", dev->mode_config.fb_base); - - ret = drm_addmap(dev, dev_priv->mmiobase, dev_priv->mmiolen, - _DRM_REGISTERS, _DRM_KERNEL|_DRM_READ_ONLY|_DRM_DRIVER, - &dev_priv->mmio_map); - if (ret != 0) { - DRM_ERROR("Cannot add mapping for MMIO registers\n"); - goto free_priv; - } - - i915_gem_load(dev); - -#ifdef __linux__ -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25) - intel_init_chipset_flush_compat(dev); -#endif -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,25) - intel_opregion_init(dev); -#endif -#endif - - tmp = I915_READ(PIPEASTAT); - I915_WRITE(PIPEASTAT, tmp); - tmp = I915_READ(PIPEBSTAT); - I915_WRITE(PIPEBSTAT, tmp); - - atomic_set(&dev_priv->irq_received, 0); - I915_WRITE(HWSTAM, 0xeffe); - I915_WRITE(IMR, 0x0); - I915_WRITE(IER, 0x0); - - DRM_SPININIT(&dev_priv->swaps_lock, "swap"); - INIT_LIST_HEAD(&dev_priv->vbl_swaps.head); - dev_priv->swaps_pending = 0; - - DRM_SPININIT(&dev_priv->user_irq_lock, "userirq"); - dev_priv->user_irq_refcount = 0; - dev_priv->irq_mask_reg = ~0; - - ret = drm_vblank_init(dev, num_pipes); - if (ret) - goto out_rmmap; - - ret = drm_hotplug_init(dev); - if (ret) - goto out_rmmap; - - dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B; - dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */ - - i915_enable_interrupt(dev); - DRM_INIT_WAITQUEUE(&dev_priv->irq_queue); - - /* - * Initialize the hardware status page IRQ location. - */ - - I915_WRITE(INSTPM, (1 << 5) | (1 << 21)); - - if (!I915_NEED_GFX_HWS(dev)) { - ret = i915_init_hardware_status(dev); - if (ret) - return ret; - } - - if (drm_core_check_feature(dev, DRIVER_MODESET)) { - ret = i915_load_modeset_init(dev); - if (ret < 0) { - DRM_ERROR("failed to init modeset\n"); - goto out_rmmap; - } - } - - return 0; - -out_rmmap: - drm_rmmap(dev, dev_priv->mmio_map); -free_priv: - drm_free(dev_priv, sizeof(struct drm_i915_private), DRM_MEM_DRIVER); - return ret; -} - -int i915_driver_unload(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - - u32 temp; - - i915_free_hardware_status(dev); - - dev_priv->vblank_pipe = 0; - - dev_priv->irq_enabled = 0; - - I915_WRITE(HWSTAM, 0xffffffff); - I915_WRITE(IMR, 0xffffffff); - I915_WRITE(IER, 0x0); - - temp = I915_READ(PIPEASTAT); - I915_WRITE(PIPEASTAT, temp); - temp = I915_READ(PIPEBSTAT); - I915_WRITE(PIPEBSTAT, temp); - temp = I915_READ(IIR); - I915_WRITE(IIR, temp); - - I915_WRITE(PRB0_CTL, 0); - - if (drm_core_check_feature(dev, DRIVER_MODESET)) { - drm_irq_uninstall(dev); - intel_modeset_cleanup(dev); - destroy_workqueue(dev_priv->wq); - } - -#if 0 - if (dev_priv->ring.virtual_start) { - drm_core_ioremapfree(&dev_priv->ring.map, dev); - } -#endif - -#ifdef DRI2 - if (dev_priv->sarea_kmap.virtual) { - drm_bo_kunmap(&dev_priv->sarea_kmap); - dev_priv->sarea_kmap.virtual = NULL; - dev->sigdata.lock = NULL; - } - - if (dev_priv->sarea_bo) { - mutex_lock(&dev->struct_mutex); - drm_bo_usage_deref_locked(&dev_priv->sarea_bo); - mutex_unlock(&dev->struct_mutex); - dev_priv->sarea_bo = NULL; - } -#endif - - if (drm_core_check_feature(dev, DRIVER_MODESET)) { - mutex_lock(&dev->struct_mutex); - i915_gem_cleanup_ringbuffer(dev); - mutex_unlock(&dev->struct_mutex); - drm_mm_takedown(&dev_priv->vram); - i915_gem_lastclose(dev); - if (!I915_NEED_GFX_HWS(dev)) - drm_pci_free(dev, dev_priv->status_page_dmah); - } - - drm_rmmap(dev, dev_priv->mmio_map); - -#ifdef __linux__ -#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,25) - intel_opregion_free(dev); -#endif -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25) - intel_fini_chipset_flush_compat(dev); -#endif -#endif - - drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER); - - dev->dev_private = NULL; - return 0; -} - -int i915_master_create(struct drm_device *dev, struct drm_master *master) -{ - struct drm_i915_master_private *master_priv; - unsigned long sareapage; - int ret; - - master_priv = drm_calloc(1, sizeof(*master_priv), DRM_MEM_DRIVER); - if (!master_priv) - return -ENOMEM; - - /* prebuild the SAREA */ - sareapage = max(SAREA_MAX, PAGE_SIZE); - ret = drm_addmap(dev, 0, sareapage, _DRM_SHM, _DRM_CONTAINS_LOCK|_DRM_DRIVER, - &master_priv->sarea); - if (ret) { - DRM_ERROR("SAREA setup failed\n"); - return ret; - } - master_priv->sarea_priv = master_priv->sarea->handle + sizeof(struct drm_sarea); - master_priv->sarea_priv->pf_current_page = 0; - - master->driver_priv = master_priv; - return 0; -} - -void i915_master_destroy(struct drm_device *dev, struct drm_master *master) -{ - struct drm_i915_master_private *master_priv = master->driver_priv; - - if (!master_priv) - return; - - if (master_priv->sarea) - drm_rmmap_locked(dev, master_priv->sarea); - - drm_free(master_priv, sizeof(*master_priv), DRM_MEM_DRIVER); - - master->driver_priv = NULL; -} - -int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv) -{ - struct drm_i915_file_private *i915_file_priv; - - DRM_DEBUG("\n"); - i915_file_priv = (struct drm_i915_file_private *) - drm_alloc(sizeof(*i915_file_priv), DRM_MEM_FILES); - - if (!i915_file_priv) - return -ENOMEM; - - file_priv->driver_priv = i915_file_priv; - - i915_file_priv->mm.last_gem_seqno = 0; - i915_file_priv->mm.last_gem_throttle_seqno = 0; - - return 0; -} - -void i915_driver_postclose(struct drm_device *dev, struct drm_file *file_priv) -{ - struct drm_i915_file_private *i915_file_priv = file_priv->driver_priv; - - drm_free(i915_file_priv, sizeof(*i915_file_priv), DRM_MEM_FILES); -} - -void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - if (!drm_core_check_feature(dev, DRIVER_MODESET)) - i915_mem_release(dev, file_priv, dev_priv->agp_heap); -} - -void i915_driver_lastclose(struct drm_device * dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; - - if (drm_core_check_feature(dev, DRIVER_MODESET)) - return; - -#ifdef I915_HAVE_BUFFER - if (dev_priv->val_bufs) { - vfree(dev_priv->val_bufs); - dev_priv->val_bufs = NULL; - } -#endif - - i915_gem_lastclose(dev); - - if (dev_priv->agp_heap) - i915_mem_takedown(&(dev_priv->agp_heap)); - -#if defined(DRI2) - if (dev_priv->sarea_kmap.virtual) { - drm_bo_kunmap(&dev_priv->sarea_kmap); - dev_priv->sarea_kmap.virtual = NULL; - dev->control->master->lock.hw_lock = NULL; - dev->sigdata.lock = NULL; - } - - if (dev_priv->sarea_bo) { - mutex_lock(&dev->struct_mutex); - drm_bo_usage_deref_locked(&dev_priv->sarea_bo); - mutex_unlock(&dev->struct_mutex); - dev_priv->sarea_bo = NULL; - } -#endif - - i915_dma_cleanup(dev); -} - -int i915_driver_firstopen(struct drm_device *dev) -{ - if (drm_core_check_feature(dev, DRIVER_MODESET)) - return 0; - return 0; -} |