diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_drv.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_state.c | 121 |
2 files changed, 62 insertions, 63 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index cf0e74a2c667..a184ba331273 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -695,14 +695,14 @@ struct nv04_mode_state { }; enum nouveau_card_type { - NV_04 = 0x00, + NV_04 = 0x04, NV_10 = 0x10, NV_20 = 0x20, NV_30 = 0x30, NV_40 = 0x40, NV_50 = 0x50, NV_C0 = 0xc0, - NV_D0 = 0xd0 + NV_D0 = 0xd0, }; struct drm_nouveau_private { diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c index 9d6c3ff22e81..9c144fb8bbba 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -993,7 +993,7 @@ static int nouveau_remove_conflicting_drivers(struct drm_device *dev) int nouveau_load(struct drm_device *dev, unsigned long flags) { struct drm_nouveau_private *dev_priv; - uint32_t reg0, strap; + uint32_t reg0 = ~0, strap; resource_size_t mmio_start_offs; int ret; @@ -1012,10 +1012,65 @@ int nouveau_load(struct drm_device *dev, unsigned long 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 */ + /* first up, map the start of mmio and determine the chipset */ + dev_priv->mmio = ioremap(pci_resource_start(dev->pdev, 0), PAGE_SIZE); + if (dev_priv->mmio) { +#ifdef __BIG_ENDIAN + /* put the card into big-endian mode if it's not */ + if (nv_rd32(dev, NV03_PMC_BOOT_1) != 0x01000001) + nv_wr32(dev, NV03_PMC_BOOT_1, 0x01000001); + DRM_MEMORYBARRIER(); +#endif + + /* determine chipset and derive architecture from it */ + reg0 = nv_rd32(dev, NV03_PMC_BOOT_0); + if ((reg0 & 0x0f000000) > 0) { + dev_priv->chipset = (reg0 & 0xff00000) >> 20; + switch (dev_priv->chipset & 0xf0) { + 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; + case 0xd0: + dev_priv->card_type = NV_D0; + break; + default: + break; + } + } else + if ((reg0 & 0xff00fff0) == 0x20004000) { + if (reg0 & 0x00f00000) + dev_priv->chipset = 0x05; + else + dev_priv->chipset = 0x04; + dev_priv->card_type = NV_04; + } + + iounmap(dev_priv->mmio); + } + + if (!dev_priv->card_type) { + NV_ERROR(dev, "unsupported chipset 0x%08x\n", reg0); + ret = -EINVAL; + goto err_priv; + } + + NV_INFO(dev, "Detected an NV%2x generation card (0x%08x)\n", + dev_priv->card_type, reg0); /* map the mmio regs */ mmio_start_offs = pci_resource_start(dev->pdev, 0); @@ -1029,62 +1084,6 @@ int nouveau_load(struct drm_device *dev, unsigned long flags) 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) != 0x01000001) - nv_wr32(dev, NV03_PMC_BOOT_1, 0x01000001); - - 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; - case 0xd0: - dev_priv->card_type = NV_D0; - 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); - /* determine frequency of timing crystal */ strap = nv_rd32(dev, 0x101000); if ( dev_priv->chipset < 0x17 || |