X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fchar%2Fagp%2Fintel-agp.c;h=d1ede7db5a12f46027174a41ae52c2692b180bf9;hb=a4c12d6c5dde48c69464baf7c703e425ee511433;hp=631531fd97a58dab4b619aa0c0ecb9728ddb3f41;hpb=b2faf597d93bdf5e2d12d93ea0815935a73f749e;p=firefly-linux-kernel-4.4.55.git diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index 631531fd97a5..d1ede7db5a12 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -2,14 +2,6 @@ * Intel AGPGART routines. */ -/* - * Intel(R) 855GM/852GM and 865G support added by David Dawes - * . - * - * Intel(R) 915G/915GM support added by Alan Hourihane - * . - */ - #include #include #include @@ -17,6 +9,21 @@ #include #include "agp.h" +#define PCI_DEVICE_ID_INTEL_82946GZ_HB 0x2970 +#define PCI_DEVICE_ID_INTEL_82946GZ_IG 0x2972 +#define PCI_DEVICE_ID_INTEL_82965G_1_HB 0x2980 +#define PCI_DEVICE_ID_INTEL_82965G_1_IG 0x2982 +#define PCI_DEVICE_ID_INTEL_82965Q_HB 0x2990 +#define PCI_DEVICE_ID_INTEL_82965Q_IG 0x2992 +#define PCI_DEVICE_ID_INTEL_82965G_HB 0x29A0 +#define PCI_DEVICE_ID_INTEL_82965G_IG 0x29A2 + +#define IS_I965 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82946GZ_HB || \ + agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_1_HB || \ + agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965Q_HB || \ + agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_HB) + + /* Intel 815 register */ #define INTEL_815_APCONT 0x51 #define INTEL_815_ATTBASE_MASK ~0x1FFFFFFF @@ -40,6 +47,8 @@ #define I915_GMCH_GMS_STOLEN_48M (0x6 << 4) #define I915_GMCH_GMS_STOLEN_64M (0x7 << 4) +/* Intel 965G registers */ +#define I965_MSAC 0x62 /* Intel 7505 registers */ #define INTEL_I7505_APSIZE 0x74 @@ -201,9 +210,9 @@ static int intel_i810_insert_entries(struct agp_memory *mem, off_t pg_start, temp = agp_bridge->current_size; num_entries = A_SIZE_FIX(temp)->num_entries; - if ((pg_start + mem->page_count) > num_entries) { + if ((pg_start + mem->page_count) > num_entries) return -EINVAL; - } + for (j = pg_start; j < (pg_start + mem->page_count); j++) { if (!PGE_EMPTY(agp_bridge, readl(agp_bridge->gatt_table+j))) return -EBUSY; @@ -221,7 +230,7 @@ static int intel_i810_insert_entries(struct agp_memory *mem, off_t pg_start, agp_bridge->driver->tlb_flush(mem); return 0; } - if((type == AGP_PHYS_MEMORY) && (mem->type == AGP_PHYS_MEMORY)) + if ((type == AGP_PHYS_MEMORY) && (mem->type == AGP_PHYS_MEMORY)) goto insert; return -EINVAL; } @@ -328,7 +337,7 @@ static struct agp_memory *intel_i810_alloc_by_type(size_t pg_count, int type) static void intel_i810_free_by_type(struct agp_memory *curr) { agp_free_key(curr->key); - if(curr->type == AGP_PHYS_MEMORY) { + if (curr->type == AGP_PHYS_MEMORY) { if (curr->page_count == 4) i8xx_destroy_pages(gart_to_virt(curr->memory[0])); else { @@ -354,6 +363,7 @@ static struct aper_size_info_fixed intel_i830_sizes[] = /* The 64M mode still requires a 128k gatt */ {64, 16384, 5}, {256, 65536, 6}, + {512, 131072, 7}, }; static struct _intel_i830_private { @@ -377,7 +387,11 @@ static void intel_i830_init_gtt_entries(void) /* We obtain the size of the GTT, which is also stored (for some * reason) at the top of stolen memory. Then we add 4KB to that * for the video BIOS popup, which is also stored in there. */ - size = agp_bridge->driver->fetch_size() + 4; + + if (IS_I965) + size = 512 + 4; + else + size = agp_bridge->driver->fetch_size() + 4; if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82830_HB || agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82845G_HB) { @@ -423,7 +437,7 @@ static void intel_i830_init_gtt_entries(void) if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915G_HB || agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB || agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945G_HB || - agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB) + agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB || IS_I965 ) gtt_entries = MB(48) - KB(size); else gtt_entries = 0; @@ -433,7 +447,7 @@ static void intel_i830_init_gtt_entries(void) if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915G_HB || agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB || agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945G_HB || - agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB) + agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB || IS_I965) gtt_entries = MB(64) - KB(size); else gtt_entries = 0; @@ -736,7 +750,7 @@ static int intel_i915_remove_entries(struct agp_memory *mem,off_t pg_start, static int intel_i915_fetch_size(void) { struct aper_size_info_fixed *values; - u32 temp, offset = 0; + u32 temp, offset; #define I915_256MB_ADDRESS_MASK (1<<27) @@ -791,6 +805,77 @@ static int intel_i915_create_gatt_table(struct agp_bridge_data *bridge) return 0; } +static int intel_i965_fetch_size(void) +{ + struct aper_size_info_fixed *values; + u32 offset = 0; + u8 temp; + +#define I965_512MB_ADDRESS_MASK (3<<1) + + values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes); + + pci_read_config_byte(intel_i830_private.i830_dev, I965_MSAC, &temp); + temp &= I965_512MB_ADDRESS_MASK; + switch (temp) { + case 0x00: + offset = 0; /* 128MB */ + break; + case 0x06: + offset = 3; /* 512MB */ + break; + default: + case 0x02: + offset = 2; /* 256MB */ + break; + } + + agp_bridge->previous_size = agp_bridge->current_size = (void *)(values + offset); + + return values[offset].size; +} + +/* The intel i965 automatically initializes the agp aperture during POST. ++ * Use the memory already set aside for in the GTT. ++ */ +static int intel_i965_create_gatt_table(struct agp_bridge_data *bridge) +{ + int page_order; + struct aper_size_info_fixed *size; + int num_entries; + u32 temp; + + size = agp_bridge->current_size; + page_order = size->page_order; + num_entries = size->num_entries; + agp_bridge->gatt_table_real = NULL; + + pci_read_config_dword(intel_i830_private.i830_dev, I915_MMADDR, &temp); + + temp &= 0xfff00000; + intel_i830_private.gtt = ioremap((temp + (512 * 1024)) , 512 * 1024); + + if (!intel_i830_private.gtt) + return -ENOMEM; + + + intel_i830_private.registers = ioremap(temp,128 * 4096); + if (!intel_i830_private.registers) + return -ENOMEM; + + temp = readl(intel_i830_private.registers+I810_PGETBL_CTL) & 0xfffff000; + global_cache_flush(); /* FIXME: ? */ + + /* we have to call this as early as possible after the MMIO base address is known */ + intel_i830_init_gtt_entries(); + + agp_bridge->gatt_table = NULL; + + agp_bridge->gatt_bus_addr = temp; + + return 0; +} + static int intel_fetch_size(void) { @@ -1307,7 +1392,7 @@ static struct agp_bridge_driver intel_830_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_i830_sizes, .size_type = FIXED_APER_SIZE, - .num_aperture_sizes = 3, + .num_aperture_sizes = 4, .needs_scratch_page = TRUE, .configure = intel_i830_configure, .fetch_size = intel_i830_fetch_size, @@ -1469,7 +1554,7 @@ static struct agp_bridge_driver intel_915_driver = { .owner = THIS_MODULE, .aperture_sizes = intel_i830_sizes, .size_type = FIXED_APER_SIZE, - .num_aperture_sizes = 3, + .num_aperture_sizes = 4, .needs_scratch_page = TRUE, .configure = intel_i915_configure, .fetch_size = intel_i915_fetch_size, @@ -1489,6 +1574,29 @@ static struct agp_bridge_driver intel_915_driver = { .agp_destroy_page = agp_generic_destroy_page, }; +static struct agp_bridge_driver intel_i965_driver = { + .owner = THIS_MODULE, + .aperture_sizes = intel_i830_sizes, + .size_type = FIXED_APER_SIZE, + .num_aperture_sizes = 4, + .needs_scratch_page = TRUE, + .configure = intel_i915_configure, + .fetch_size = intel_i965_fetch_size, + .cleanup = intel_i915_cleanup, + .tlb_flush = intel_i810_tlbflush, + .mask_memory = intel_i810_mask_memory, + .masks = intel_i810_masks, + .agp_enable = intel_i810_agp_enable, + .cache_flush = global_cache_flush, + .create_gatt_table = intel_i965_create_gatt_table, + .free_gatt_table = intel_i830_free_gatt_table, + .insert_memory = intel_i915_insert_entries, + .remove_memory = intel_i915_remove_entries, + .alloc_by_type = intel_i830_alloc_by_type, + .free_by_type = intel_i810_free_by_type, + .agp_alloc_page = agp_generic_alloc_page, + .agp_destroy_page = agp_generic_destroy_page, +}; static struct agp_bridge_driver intel_7505_driver = { .owner = THIS_MODULE, @@ -1603,11 +1711,10 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev, name = "i820"; break; case PCI_DEVICE_ID_INTEL_82830_HB: - if (find_i830(PCI_DEVICE_ID_INTEL_82830_CGC)) { + if (find_i830(PCI_DEVICE_ID_INTEL_82830_CGC)) bridge->driver = &intel_830_driver; - } else { + else bridge->driver = &intel_830mp_driver; - } name = "830M"; break; case PCI_DEVICE_ID_INTEL_82840_HB: @@ -1619,11 +1726,10 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev, name = "i845"; break; case PCI_DEVICE_ID_INTEL_82845G_HB: - if (find_i830(PCI_DEVICE_ID_INTEL_82845G_IG)) { + if (find_i830(PCI_DEVICE_ID_INTEL_82845G_IG)) bridge->driver = &intel_830_driver; - } else { + else bridge->driver = &intel_845_driver; - } name = "845G"; break; case PCI_DEVICE_ID_INTEL_82850_HB: @@ -1648,11 +1754,10 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev, name = "i860"; break; case PCI_DEVICE_ID_INTEL_82865_HB: - if (find_i830(PCI_DEVICE_ID_INTEL_82865_IG)) { + if (find_i830(PCI_DEVICE_ID_INTEL_82865_IG)) bridge->driver = &intel_830_driver; - } else { + else bridge->driver = &intel_845_driver; - } name = "865"; break; case PCI_DEVICE_ID_INTEL_82875_HB: @@ -1660,37 +1765,62 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev, name = "i875"; break; case PCI_DEVICE_ID_INTEL_82915G_HB: - if (find_i830(PCI_DEVICE_ID_INTEL_82915G_IG)) { + if (find_i830(PCI_DEVICE_ID_INTEL_82915G_IG)) bridge->driver = &intel_915_driver; - } else { + else bridge->driver = &intel_845_driver; - } name = "915G"; break; case PCI_DEVICE_ID_INTEL_82915GM_HB: - if (find_i830(PCI_DEVICE_ID_INTEL_82915GM_IG)) { + if (find_i830(PCI_DEVICE_ID_INTEL_82915GM_IG)) bridge->driver = &intel_915_driver; - } else { + else bridge->driver = &intel_845_driver; - } name = "915GM"; break; case PCI_DEVICE_ID_INTEL_82945G_HB: - if (find_i830(PCI_DEVICE_ID_INTEL_82945G_IG)) { + if (find_i830(PCI_DEVICE_ID_INTEL_82945G_IG)) bridge->driver = &intel_915_driver; - } else { + else bridge->driver = &intel_845_driver; - } name = "945G"; break; case PCI_DEVICE_ID_INTEL_82945GM_HB: - if (find_i830(PCI_DEVICE_ID_INTEL_82945GM_IG)) { + if (find_i830(PCI_DEVICE_ID_INTEL_82945GM_IG)) bridge->driver = &intel_915_driver; - } else { + else bridge->driver = &intel_845_driver; - } name = "945GM"; break; + case PCI_DEVICE_ID_INTEL_82946GZ_HB: + if (find_i830(PCI_DEVICE_ID_INTEL_82946GZ_IG)) + bridge->driver = &intel_i965_driver; + else + bridge->driver = &intel_845_driver; + name = "946GZ"; + break; + case PCI_DEVICE_ID_INTEL_82965G_1_HB: + if (find_i830(PCI_DEVICE_ID_INTEL_82965G_1_IG)) + bridge->driver = &intel_i965_driver; + else + bridge->driver = &intel_845_driver; + name = "965G"; + break; + case PCI_DEVICE_ID_INTEL_82965Q_HB: + if (find_i830(PCI_DEVICE_ID_INTEL_82965Q_IG)) + bridge->driver = &intel_i965_driver; + else + bridge->driver = &intel_845_driver; + name = "965Q"; + break; + case PCI_DEVICE_ID_INTEL_82965G_HB: + if (find_i830(PCI_DEVICE_ID_INTEL_82965G_IG)) + bridge->driver = &intel_i965_driver; + else + bridge->driver = &intel_845_driver; + name = "965G"; + break; + case PCI_DEVICE_ID_INTEL_7505_0: bridge->driver = &intel_7505_driver; name = "E7505"; @@ -1724,7 +1854,7 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev, */ r = &pdev->resource[0]; if (!r->start && r->end) { - if(pci_assign_resource(pdev, 0)) { + if (pci_assign_resource(pdev, 0)) { printk(KERN_ERR PFX "could not assign resource 0\n"); agp_put_bridge(bridge); return -ENODEV; @@ -1773,6 +1903,7 @@ static void __devexit agp_intel_remove(struct pci_dev *pdev) agp_put_bridge(bridge); } +#ifdef CONFIG_PM static int agp_intel_resume(struct pci_dev *pdev) { struct agp_bridge_data *bridge = pci_get_drvdata(pdev); @@ -1793,9 +1924,12 @@ static int agp_intel_resume(struct pci_dev *pdev) intel_i830_configure(); else if (bridge->driver == &intel_810_driver) intel_i810_configure(); + else if (bridge->driver == &intel_i965_driver) + intel_i915_configure(); return 0; } +#endif static struct pci_device_id agp_intel_pci_table[] = { #define ID(x) \ @@ -1832,6 +1966,10 @@ static struct pci_device_id agp_intel_pci_table[] = { ID(PCI_DEVICE_ID_INTEL_82915GM_HB), ID(PCI_DEVICE_ID_INTEL_82945G_HB), ID(PCI_DEVICE_ID_INTEL_82945GM_HB), + ID(PCI_DEVICE_ID_INTEL_82946GZ_HB), + ID(PCI_DEVICE_ID_INTEL_82965G_1_HB), + ID(PCI_DEVICE_ID_INTEL_82965Q_HB), + ID(PCI_DEVICE_ID_INTEL_82965G_HB), { } }; @@ -1842,7 +1980,9 @@ static struct pci_driver agp_intel_pci_driver = { .id_table = agp_intel_pci_table, .probe = agp_intel_probe, .remove = __devexit_p(agp_intel_remove), +#ifdef CONFIG_PM .resume = agp_intel_resume, +#endif }; static int __init agp_intel_init(void)