diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_mem.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_mem.c | 883 |
1 files changed, 0 insertions, 883 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c deleted file mode 100644 index c3a5745e9c7..00000000000 --- a/drivers/gpu/drm/nouveau/nouveau_mem.c +++ /dev/null @@ -1,883 +0,0 @@ -/* - * Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. - * Copyright 2005 Stephane Marchesin - * - * The Weather Channel (TM) funded Tungsten Graphics to develop the - * initial release of the Radeon 8500 driver under the XFree86 license. - * This notice must be preserved. - * - * 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 - * THE AUTHORS AND/OR THEIR 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. - * - * Authors: - * Keith Whitwell <keith@tungstengraphics.com> - */ - - -#include "drmP.h" -#include "drm.h" -#include "drm_sarea.h" - -#include "nouveau_drv.h" -#include "nouveau_pm.h" -#include "nouveau_mm.h" -#include "nouveau_vm.h" - -/* - * NV10-NV40 tiling helpers - */ - -static void -nv10_mem_update_tile_region(struct drm_device *dev, - struct nouveau_tile_reg *tile, uint32_t addr, - uint32_t size, uint32_t pitch, uint32_t flags) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo; - struct nouveau_fb_engine *pfb = &dev_priv->engine.fb; - int i = tile - dev_priv->tile.reg, j; - unsigned long save; - - nouveau_fence_unref(&tile->fence); - - if (tile->pitch) - pfb->free_tile_region(dev, i); - - if (pitch) - pfb->init_tile_region(dev, i, addr, size, pitch, flags); - - spin_lock_irqsave(&dev_priv->context_switch_lock, save); - pfifo->reassign(dev, false); - pfifo->cache_pull(dev, false); - - nouveau_wait_for_idle(dev); - - pfb->set_tile_region(dev, i); - for (j = 0; j < NVOBJ_ENGINE_NR; j++) { - if (dev_priv->eng[j] && dev_priv->eng[j]->set_tile_region) - dev_priv->eng[j]->set_tile_region(dev, i); - } - - pfifo->cache_pull(dev, true); - pfifo->reassign(dev, true); - spin_unlock_irqrestore(&dev_priv->context_switch_lock, save); -} - -static struct nouveau_tile_reg * -nv10_mem_get_tile_region(struct drm_device *dev, int i) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i]; - - spin_lock(&dev_priv->tile.lock); - - if (!tile->used && - (!tile->fence || nouveau_fence_signalled(tile->fence))) - tile->used = true; - else - tile = NULL; - - spin_unlock(&dev_priv->tile.lock); - return tile; -} - -void -nv10_mem_put_tile_region(struct drm_device *dev, struct nouveau_tile_reg *tile, - struct nouveau_fence *fence) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - - if (tile) { - spin_lock(&dev_priv->tile.lock); - if (fence) { - /* Mark it as pending. */ - tile->fence = fence; - nouveau_fence_ref(fence); - } - - tile->used = false; - spin_unlock(&dev_priv->tile.lock); - } -} - -struct nouveau_tile_reg * -nv10_mem_set_tiling(struct drm_device *dev, uint32_t addr, uint32_t size, - uint32_t pitch, uint32_t flags) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_fb_engine *pfb = &dev_priv->engine.fb; - struct nouveau_tile_reg *tile, *found = NULL; - int i; - - for (i = 0; i < pfb->num_tiles; i++) { - tile = nv10_mem_get_tile_region(dev, i); - - if (pitch && !found) { - found = tile; - continue; - - } else if (tile && tile->pitch) { - /* Kill an unused tile region. */ - nv10_mem_update_tile_region(dev, tile, 0, 0, 0, 0); - } - - nv10_mem_put_tile_region(dev, tile, NULL); - } - - if (found) - nv10_mem_update_tile_region(dev, found, addr, size, - pitch, flags); - return found; -} - -/* - * Cleanup everything - */ -void -nouveau_mem_vram_fini(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - - ttm_bo_device_release(&dev_priv->ttm.bdev); - - nouveau_ttm_global_release(dev_priv); - - if (dev_priv->fb_mtrr >= 0) { - drm_mtrr_del(dev_priv->fb_mtrr, - pci_resource_start(dev->pdev, 1), - pci_resource_len(dev->pdev, 1), DRM_MTRR_WC); - dev_priv->fb_mtrr = -1; - } -} - -void -nouveau_mem_gart_fini(struct drm_device *dev) -{ - nouveau_sgdma_takedown(dev); - - if (drm_core_has_AGP(dev) && dev->agp) { - struct drm_agp_mem *entry, *tempe; - - /* Remove AGP resources, but leave dev->agp - intact until drv_cleanup is called. */ - list_for_each_entry_safe(entry, tempe, &dev->agp->memory, head) { - if (entry->bound) - drm_unbind_agp(entry->memory); - drm_free_agp(entry->memory, entry->pages); - kfree(entry); - } - INIT_LIST_HEAD(&dev->agp->memory); - - if (dev->agp->acquired) - drm_agp_release(dev); - - dev->agp->acquired = 0; - dev->agp->enabled = 0; - } -} - -static uint32_t -nouveau_mem_detect_nv04(struct drm_device *dev) -{ - uint32_t boot0 = nv_rd32(dev, NV04_PFB_BOOT_0); - - if (boot0 & 0x00000100) - return (((boot0 >> 12) & 0xf) * 2 + 2) * 1024 * 1024; - - switch (boot0 & NV04_PFB_BOOT_0_RAM_AMOUNT) { - case NV04_PFB_BOOT_0_RAM_AMOUNT_32MB: - return 32 * 1024 * 1024; - case NV04_PFB_BOOT_0_RAM_AMOUNT_16MB: - return 16 * 1024 * 1024; - case NV04_PFB_BOOT_0_RAM_AMOUNT_8MB: - return 8 * 1024 * 1024; - case NV04_PFB_BOOT_0_RAM_AMOUNT_4MB: - return 4 * 1024 * 1024; - } - - return 0; -} - -static uint32_t -nouveau_mem_detect_nforce(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct pci_dev *bridge; - uint32_t mem; - - bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 1)); - if (!bridge) { - NV_ERROR(dev, "no bridge device\n"); - return 0; - } - - if (dev_priv->flags & NV_NFORCE) { - pci_read_config_dword(bridge, 0x7C, &mem); - return (uint64_t)(((mem >> 6) & 31) + 1)*1024*1024; - } else - if (dev_priv->flags & NV_NFORCE2) { - pci_read_config_dword(bridge, 0x84, &mem); - return (uint64_t)(((mem >> 4) & 127) + 1)*1024*1024; - } - - NV_ERROR(dev, "impossible!\n"); - return 0; -} - -int -nouveau_mem_detect(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - - if (dev_priv->card_type == NV_04) { - dev_priv->vram_size = nouveau_mem_detect_nv04(dev); - } else - if (dev_priv->flags & (NV_NFORCE | NV_NFORCE2)) { - dev_priv->vram_size = nouveau_mem_detect_nforce(dev); - } else - if (dev_priv->card_type < NV_50) { - dev_priv->vram_size = nv_rd32(dev, NV04_PFB_FIFO_DATA); - dev_priv->vram_size &= NV10_PFB_FIFO_DATA_RAM_AMOUNT_MB_MASK; - } - - if (dev_priv->vram_size) - return 0; - return -ENOMEM; -} - -bool -nouveau_mem_flags_valid(struct drm_device *dev, u32 tile_flags) -{ - if (!(tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK)) - return true; - - return false; -} - -#if __OS_HAS_AGP -static unsigned long -get_agp_mode(struct drm_device *dev, unsigned long mode) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - - /* - * FW seems to be broken on nv18, it makes the card lock up - * randomly. - */ - if (dev_priv->chipset == 0x18) - mode &= ~PCI_AGP_COMMAND_FW; - - /* - * AGP mode set in the command line. - */ - if (nouveau_agpmode > 0) { - bool agpv3 = mode & 0x8; - int rate = agpv3 ? nouveau_agpmode / 4 : nouveau_agpmode; - - mode = (mode & ~0x7) | (rate & 0x7); - } - - return mode; -} -#endif - -int -nouveau_mem_reset_agp(struct drm_device *dev) -{ -#if __OS_HAS_AGP - uint32_t saved_pci_nv_1, pmc_enable; - int ret; - - /* First of all, disable fast writes, otherwise if it's - * already enabled in the AGP bridge and we disable the card's - * AGP controller we might be locking ourselves out of it. */ - if ((nv_rd32(dev, NV04_PBUS_PCI_NV_19) | - dev->agp->mode) & PCI_AGP_COMMAND_FW) { - struct drm_agp_info info; - struct drm_agp_mode mode; - - ret = drm_agp_info(dev, &info); - if (ret) - return ret; - - mode.mode = get_agp_mode(dev, info.mode) & ~PCI_AGP_COMMAND_FW; - ret = drm_agp_enable(dev, mode); - if (ret) - return ret; - } - - saved_pci_nv_1 = nv_rd32(dev, NV04_PBUS_PCI_NV_1); - - /* clear busmaster bit */ - nv_wr32(dev, NV04_PBUS_PCI_NV_1, saved_pci_nv_1 & ~0x4); - /* disable AGP */ - nv_wr32(dev, NV04_PBUS_PCI_NV_19, 0); - - /* power cycle pgraph, if enabled */ - pmc_enable = nv_rd32(dev, NV03_PMC_ENABLE); - if (pmc_enable & NV_PMC_ENABLE_PGRAPH) { - nv_wr32(dev, NV03_PMC_ENABLE, - pmc_enable & ~NV_PMC_ENABLE_PGRAPH); - nv_wr32(dev, NV03_PMC_ENABLE, nv_rd32(dev, NV03_PMC_ENABLE) | - NV_PMC_ENABLE_PGRAPH); - } - - /* and restore (gives effect of resetting AGP) */ - nv_wr32(dev, NV04_PBUS_PCI_NV_1, saved_pci_nv_1); -#endif - - return 0; -} - -int -nouveau_mem_init_agp(struct drm_device *dev) -{ -#if __OS_HAS_AGP - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct drm_agp_info info; - struct drm_agp_mode mode; - int ret; - - if (!dev->agp->acquired) { - ret = drm_agp_acquire(dev); - if (ret) { - NV_ERROR(dev, "Unable to acquire AGP: %d\n", ret); - return ret; - } - } - - nouveau_mem_reset_agp(dev); - - ret = drm_agp_info(dev, &info); - if (ret) { - NV_ERROR(dev, "Unable to get AGP info: %d\n", ret); - return ret; - } - - /* see agp.h for the AGPSTAT_* modes available */ - mode.mode = get_agp_mode(dev, info.mode); - ret = drm_agp_enable(dev, mode); - if (ret) { - NV_ERROR(dev, "Unable to enable AGP: %d\n", ret); - return ret; - } - - dev_priv->gart_info.type = NOUVEAU_GART_AGP; - dev_priv->gart_info.aper_base = info.aperture_base; - dev_priv->gart_info.aper_size = info.aperture_size; -#endif - return 0; -} - -int -nouveau_mem_vram_init(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct ttm_bo_device *bdev = &dev_priv->ttm.bdev; - int ret, dma_bits; - - dma_bits = 32; - if (dev_priv->card_type >= NV_50) { - if (pci_dma_supported(dev->pdev, DMA_BIT_MASK(40))) - dma_bits = 40; - } else - if (0 && pci_is_pcie(dev->pdev) && - dev_priv->chipset > 0x40 && - dev_priv->chipset != 0x45) { - if (pci_dma_supported(dev->pdev, DMA_BIT_MASK(39))) - dma_bits = 39; - } - - ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(dma_bits)); - if (ret) - return ret; - ret = pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(dma_bits)); - if (ret) { - /* Reset to default value. */ - pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(32)); - } - - - ret = nouveau_ttm_global_init(dev_priv); - if (ret) - return ret; - - ret = ttm_bo_device_init(&dev_priv->ttm.bdev, - dev_priv->ttm.bo_global_ref.ref.object, - &nouveau_bo_driver, DRM_FILE_PAGE_OFFSET, - dma_bits <= 32 ? true : false); - if (ret) { - NV_ERROR(dev, "Error initialising bo driver: %d\n", ret); - return ret; - } - - NV_INFO(dev, "Detected %dMiB VRAM\n", (int)(dev_priv->vram_size >> 20)); - if (dev_priv->vram_sys_base) { - NV_INFO(dev, "Stolen system memory at: 0x%010llx\n", - dev_priv->vram_sys_base); - } - - dev_priv->fb_available_size = dev_priv->vram_size; - dev_priv->fb_mappable_pages = dev_priv->fb_available_size; - if (dev_priv->fb_mappable_pages > pci_resource_len(dev->pdev, 1)) - dev_priv->fb_mappable_pages = pci_resource_len(dev->pdev, 1); - dev_priv->fb_mappable_pages >>= PAGE_SHIFT; - - dev_priv->fb_available_size -= dev_priv->ramin_rsvd_vram; - dev_priv->fb_aper_free = dev_priv->fb_available_size; - - /* mappable vram */ - ret = ttm_bo_init_mm(bdev, TTM_PL_VRAM, - dev_priv->fb_available_size >> PAGE_SHIFT); - if (ret) { - NV_ERROR(dev, "Failed VRAM mm init: %d\n", ret); - return ret; - } - - if (dev_priv->card_type < NV_50) { - ret = nouveau_bo_new(dev, 256*1024, 0, TTM_PL_FLAG_VRAM, - 0, 0, &dev_priv->vga_ram); - if (ret == 0) - ret = nouveau_bo_pin(dev_priv->vga_ram, - TTM_PL_FLAG_VRAM); - - if (ret) { - NV_WARN(dev, "failed to reserve VGA memory\n"); - nouveau_bo_ref(NULL, &dev_priv->vga_ram); - } - } - - dev_priv->fb_mtrr = drm_mtrr_add(pci_resource_start(dev->pdev, 1), - pci_resource_len(dev->pdev, 1), - DRM_MTRR_WC); - return 0; -} - -int -nouveau_mem_gart_init(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct ttm_bo_device *bdev = &dev_priv->ttm.bdev; - int ret; - - dev_priv->gart_info.type = NOUVEAU_GART_NONE; - -#if !defined(__powerpc__) && !defined(__ia64__) - if (drm_pci_device_is_agp(dev) && dev->agp && nouveau_agpmode) { - ret = nouveau_mem_init_agp(dev); - if (ret) - NV_ERROR(dev, "Error initialising AGP: %d\n", ret); - } -#endif - - if (dev_priv->gart_info.type == NOUVEAU_GART_NONE) { - ret = nouveau_sgdma_init(dev); - if (ret) { - NV_ERROR(dev, "Error initialising PCI(E): %d\n", ret); - return ret; - } - } - - NV_INFO(dev, "%d MiB GART (aperture)\n", - (int)(dev_priv->gart_info.aper_size >> 20)); - dev_priv->gart_info.aper_free = dev_priv->gart_info.aper_size; - - ret = ttm_bo_init_mm(bdev, TTM_PL_TT, - dev_priv->gart_info.aper_size >> PAGE_SHIFT); - if (ret) { - NV_ERROR(dev, "Failed TT mm init: %d\n", ret); - return ret; - } - - return 0; -} - -/* XXX: For now a dummy. More samples required, possibly even a card - * Called from nouveau_perf.c */ -void nv30_mem_timing_entry(struct drm_device *dev, struct nouveau_pm_tbl_header *hdr, - struct nouveau_pm_tbl_entry *e, uint8_t magic_number, - struct nouveau_pm_memtiming *timing) { - - NV_DEBUG(dev,"Timing entry format unknown, please contact nouveau developers"); -} - -void nv40_mem_timing_entry(struct drm_device *dev, struct nouveau_pm_tbl_header *hdr, - struct nouveau_pm_tbl_entry *e, uint8_t magic_number, - struct nouveau_pm_memtiming *timing) { - - timing->reg_0 = (e->tRC << 24 | e->tRFC << 16 | e->tRAS << 8 | e->tRP); - - /* XXX: I don't trust the -1's and +1's... they must come - * from somewhere! */ - timing->reg_1 = (e->tWR + 2 + magic_number) << 24 | - 1 << 16 | - (e->tUNK_1 + 2 + magic_number) << 8 | - (e->tCL + 2 - magic_number); - timing->reg_2 = (magic_number << 24 | e->tUNK_12 << 16 | e->tUNK_11 << 8 | e->tUNK_10); - timing->reg_2 |= 0x20200000; - - NV_DEBUG(dev, "Entry %d: 220: %08x %08x %08x\n", timing->id, - timing->reg_0, timing->reg_1,timing->reg_2); -} - -void nv50_mem_timing_entry(struct drm_device *dev, struct bit_entry *P, struct nouveau_pm_tbl_header *hdr, - struct nouveau_pm_tbl_entry *e, uint8_t magic_number,struct nouveau_pm_memtiming *timing) { - struct drm_nouveau_private *dev_priv = dev->dev_private; - - uint8_t unk18 = 1, - unk19 = 1, - unk20 = 0, - unk21 = 0; - - switch (min(hdr->entry_len, (u8) 22)) { - case 22: - unk21 = e->tUNK_21; - case 21: - unk20 = e->tUNK_20; - case 20: - unk19 = e->tUNK_19; - case 19: - unk18 = e->tUNK_18; - break; - } - - timing->reg_0 = (e->tRC << 24 | e->tRFC << 16 | e->tRAS << 8 | e->tRP); - - /* XXX: I don't trust the -1's and +1's... they must come - * from somewhere! */ - timing->reg_1 = (e->tWR + unk19 + 1 + magic_number) << 24 | - max(unk18, (u8) 1) << 16 | - (e->tUNK_1 + unk19 + 1 + magic_number) << 8; - if (dev_priv->chipset == 0xa8) { - timing->reg_1 |= (e->tCL - 1); - } else { - timing->reg_1 |= (e->tCL + 2 - magic_number); - } - timing->reg_2 = (e->tUNK_12 << 16 | e->tUNK_11 << 8 | e->tUNK_10); - - timing->reg_5 = (e->tRAS << 24 | e->tRC); - timing->reg_5 += max(e->tUNK_10, e->tUNK_11) << 16; - - if (P->version == 1) { - timing->reg_2 |= magic_number << 24; - timing->reg_3 = (0x14 + e->tCL) << 24 | - 0x16 << 16 | - (e->tCL - 1) << 8 | - (e->tCL - 1); - timing->reg_4 = (nv_rd32(dev,0x10022c) & 0xffff0000) | e->tUNK_13 << 8 | e->tUNK_13; - timing->reg_5 |= (e->tCL + 2) << 8; - timing->reg_7 = 0x4000202 | (e->tCL - 1) << 16; - } else { - timing->reg_2 |= (unk19 - 1) << 24; - /* XXX: reg_10022c for recentish cards pretty much unknown*/ - timing->reg_3 = e->tCL - 1; - timing->reg_4 = (unk20 << 24 | unk21 << 16 | - e->tUNK_13 << 8 | e->tUNK_13); - /* XXX: +6? */ - timing->reg_5 |= (unk19 + 6) << 8; - - /* XXX: reg_10023c currently unknown - * 10023c seen as 06xxxxxx, 0bxxxxxx or 0fxxxxxx */ - timing->reg_7 = 0x202; - } - - NV_DEBUG(dev, "Entry %d: 220: %08x %08x %08x %08x\n", timing->id, - timing->reg_0, timing->reg_1, - timing->reg_2, timing->reg_3); - NV_DEBUG(dev, " 230: %08x %08x %08x %08x\n", - timing->reg_4, timing->reg_5, - timing->reg_6, timing->reg_7); - NV_DEBUG(dev, " 240: %08x\n", timing->reg_8); -} - -void nvc0_mem_timing_entry(struct drm_device *dev, struct nouveau_pm_tbl_header *hdr, - struct nouveau_pm_tbl_entry *e, struct nouveau_pm_memtiming *timing) { - timing->reg_0 = (e->tRC << 24 | (e->tRFC & 0x7f) << 17 | e->tRAS << 8 | e->tRP); - timing->reg_1 = (nv_rd32(dev,0x10f294) & 0xff000000) | (e->tUNK_11&0x0f) << 20 | (e->tUNK_19 << 7) | (e->tCL & 0x0f); - timing->reg_2 = (nv_rd32(dev,0x10f298) & 0xff0000ff) | e->tWR << 16 | e->tUNK_1 << 8; - timing->reg_3 = e->tUNK_20 << 9 | e->tUNK_13; - timing->reg_4 = (nv_rd32(dev,0x10f2a0) & 0xfff000ff) | e->tUNK_12 << 15; - NV_DEBUG(dev, "Entry %d: 290: %08x %08x %08x %08x\n", timing->id, - timing->reg_0, timing->reg_1, - timing->reg_2, timing->reg_3); - NV_DEBUG(dev, " 2a0: %08x %08x %08x %08x\n", - timing->reg_4, timing->reg_5, - timing->reg_6, timing->reg_7); -} - -/** - * Processes the Memory Timing BIOS table, stores generated - * register values - * @pre init scripts were run, memtiming regs are initialized - */ -void -nouveau_mem_timing_init(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_pm_engine *pm = &dev_priv->engine.pm; - struct nouveau_pm_memtimings *memtimings = &pm->memtimings; - struct nvbios *bios = &dev_priv->vbios; - struct bit_entry P; - struct nouveau_pm_tbl_header *hdr = NULL; - uint8_t magic_number; - u8 *entry; - int i; - - if (bios->type == NVBIOS_BIT) { - if (bit_table(dev, 'P', &P)) - return; - - if (P.version == 1) - hdr = (struct nouveau_pm_tbl_header *) ROMPTR(dev, P.data[4]); - else - if (P.version == 2) - hdr = (struct nouveau_pm_tbl_header *) ROMPTR(dev, P.data[8]); - else { - NV_WARN(dev, "unknown mem for BIT P %d\n", P.version); - } - } else { - NV_DEBUG(dev, "BMP version too old for memory\n"); - return; - } - - if (!hdr) { - NV_DEBUG(dev, "memory timing table pointer invalid\n"); - return; - } - - if (hdr->version != 0x10) { - NV_WARN(dev, "memory timing table 0x%02x unknown\n", hdr->version); - return; - } - - /* validate record length */ - if (hdr->entry_len < 15) { - NV_ERROR(dev, "mem timing table length unknown: %d\n", hdr->entry_len); - return; - } - - /* parse vbios entries into common format */ - memtimings->timing = - kcalloc(hdr->entry_cnt, sizeof(*memtimings->timing), GFP_KERNEL); - if (!memtimings->timing) - return; - - /* Get "some number" from the timing reg for NV_40 and NV_50 - * Used in calculations later... source unknown */ - magic_number = 0; - if (P.version == 1) { - magic_number = (nv_rd32(dev, 0x100228) & 0x0f000000) >> 24; - } - - entry = (u8*) hdr + hdr->header_len; - for (i = 0; i < hdr->entry_cnt; i++, entry += hdr->entry_len) { - struct nouveau_pm_memtiming *timing = &pm->memtimings.timing[i]; - if (entry[0] == 0) - continue; - - timing->id = i; - timing->WR = entry[0]; - timing->CL = entry[2]; - - if(dev_priv->card_type <= NV_40) { - nv40_mem_timing_entry(dev,hdr,(struct nouveau_pm_tbl_entry*) entry,magic_number,&pm->memtimings.timing[i]); - } else if(dev_priv->card_type == NV_50){ - nv50_mem_timing_entry(dev,&P,hdr,(struct nouveau_pm_tbl_entry*) entry,magic_number,&pm->memtimings.timing[i]); - } else if(dev_priv->card_type == NV_C0) { - nvc0_mem_timing_entry(dev,hdr,(struct nouveau_pm_tbl_entry*) entry,&pm->memtimings.timing[i]); - } - } - - memtimings->nr_timing = hdr->entry_cnt; - memtimings->supported = P.version == 1; -} - -void -nouveau_mem_timing_fini(struct drm_device *dev) -{ - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_pm_memtimings *mem = &dev_priv->engine.pm.memtimings; - - if(mem->timing) { - kfree(mem->timing); - mem->timing = NULL; - } -} - -static int -nouveau_vram_manager_init(struct ttm_mem_type_manager *man, unsigned long psize) -{ - /* nothing to do */ - return 0; -} - -static int -nouveau_vram_manager_fini(struct ttm_mem_type_manager *man) -{ - /* nothing to do */ - return 0; -} - -static inline void -nouveau_mem_node_cleanup(struct nouveau_mem *node) -{ - if (node->vma[0].node) { - nouveau_vm_unmap(&node->vma[0]); - nouveau_vm_put(&node->vma[0]); - } - - if (node->vma[1].node) { - nouveau_vm_unmap(&node->vma[1]); - nouveau_vm_put(&node->vma[1]); - } -} - -static void -nouveau_vram_manager_del(struct ttm_mem_type_manager *man, - struct ttm_mem_reg *mem) -{ - struct drm_nouveau_private *dev_priv = nouveau_bdev(man->bdev); - struct nouveau_vram_engine *vram = &dev_priv->engine.vram; - struct drm_device *dev = dev_priv->dev; - - nouveau_mem_node_cleanup(mem->mm_node); - vram->put(dev, (struct nouveau_mem **)&mem->mm_node); -} - -static int -nouveau_vram_manager_new(struct ttm_mem_type_manager *man, - struct ttm_buffer_object *bo, - struct ttm_placement *placement, - struct ttm_mem_reg *mem) -{ - struct drm_nouveau_private *dev_priv = nouveau_bdev(man->bdev); - struct nouveau_vram_engine *vram = &dev_priv->engine.vram; - struct drm_device *dev = dev_priv->dev; - struct nouveau_bo *nvbo = nouveau_bo(bo); - struct nouveau_mem *node; - u32 size_nc = 0; - int ret; - - if (nvbo->tile_flags & NOUVEAU_GEM_TILE_NONCONTIG) - size_nc = 1 << nvbo->page_shift; - - ret = vram->get(dev, mem->num_pages << PAGE_SHIFT, - mem->page_alignment << PAGE_SHIFT, size_nc, - (nvbo->tile_flags >> 8) & 0x3ff, &node); - if (ret) { - mem->mm_node = NULL; - return (ret == -ENOSPC) ? 0 : ret; - } - - node->page_shift = nvbo->page_shift; - - mem->mm_node = node; - mem->start = node->offset >> PAGE_SHIFT; - return 0; -} - -void -nouveau_vram_manager_debug(struct ttm_mem_type_manager *man, const char *prefix) -{ - struct nouveau_mm *mm = man->priv; - struct nouveau_mm_node *r; - u32 total = 0, free = 0; - - mutex_lock(&mm->mutex); - list_for_each_entry(r, &mm->nodes, nl_entry) { - printk(KERN_DEBUG "%s %d: 0x%010llx 0x%010llx\n", - prefix, r->type, ((u64)r->offset << 12), - (((u64)r->offset + r->length) << 12)); - - total += r->length; - if (!r->type) - free += r->length; - } - mutex_unlock(&mm->mutex); - - printk(KERN_DEBUG "%s total: 0x%010llx free: 0x%010llx\n", - prefix, (u64)total << 12, (u64)free << 12); - printk(KERN_DEBUG "%s block: 0x%08x\n", - prefix, mm->block_size << 12); -} - -const struct ttm_mem_type_manager_func nouveau_vram_manager = { - nouveau_vram_manager_init, - nouveau_vram_manager_fini, - nouveau_vram_manager_new, - nouveau_vram_manager_del, - nouveau_vram_manager_debug -}; - -static int -nouveau_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize) -{ - return 0; -} - -static int -nouveau_gart_manager_fini(struct ttm_mem_type_manager *man) -{ - return 0; -} - -static void -nouveau_gart_manager_del(struct ttm_mem_type_manager *man, - struct ttm_mem_reg *mem) -{ - nouveau_mem_node_cleanup(mem->mm_node); - kfree(mem->mm_node); - mem->mm_node = NULL; -} - -static int -nouveau_gart_manager_new(struct ttm_mem_type_manager *man, - struct ttm_buffer_object *bo, - struct ttm_placement *placement, - struct ttm_mem_reg *mem) -{ - struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev); - struct nouveau_mem *node; - - if (unlikely((mem->num_pages << PAGE_SHIFT) >= - dev_priv->gart_info.aper_size)) - return -ENOMEM; - - node = kzalloc(sizeof(*node), GFP_KERNEL); - if (!node) - return -ENOMEM; - node->page_shift = 12; - - mem->mm_node = node; - mem->start = 0; - return 0; -} - -void -nouveau_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix) -{ -} - -const struct ttm_mem_type_manager_func nouveau_gart_manager = { - nouveau_gart_manager_init, - nouveau_gart_manager_fini, - nouveau_gart_manager_new, - nouveau_gart_manager_del, - nouveau_gart_manager_debug -}; 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