diff --git a/drivers/video/drm/i915/Gtt/agp.h b/drivers/video/drm/i915/Gtt/agp.h new file mode 100644 index 0000000000..67bde39f44 --- /dev/null +++ b/drivers/video/drm/i915/Gtt/agp.h @@ -0,0 +1,294 @@ +/* + * AGPGART + * Copyright (C) 2004 Silicon Graphics, Inc. + * Copyright (C) 2002-2004 Dave Jones + * Copyright (C) 1999 Jeff Hartmann + * Copyright (C) 1999 Precision Insight, Inc. + * Copyright (C) 1999 Xi Graphics, Inc. + * + * 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 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 + * JEFF HARTMANN, OR ANY OTHER CONTRIBUTORS 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. + * + */ + +#ifndef _AGP_BACKEND_PRIV_H +#define _AGP_BACKEND_PRIV_H 1 + +//#include /* for flush_agp_cache() */ + + +enum chipset_type { + NOT_SUPPORTED, + SUPPORTED, +}; + + + +#define PFX "agpgart: " + +//#define AGP_DEBUG 1 +#ifdef AGP_DEBUG +#define DBG(x,y...) printk (KERN_DEBUG PFX "%s: " x "\n", __func__ , ## y) +#else +#define DBG(x,y...) do { } while (0) +#endif + +extern struct agp_bridge_data *agp_bridge; + +enum aper_size_type { + U8_APER_SIZE, + U16_APER_SIZE, + U32_APER_SIZE, + LVL2_APER_SIZE, + FIXED_APER_SIZE +}; + +struct gatt_mask { + unsigned long mask; + u32 type; + /* totally device specific, for integrated chipsets that + * might have different types of memory masks. For other + * devices this will probably be ignored */ +}; + +#define AGP_PAGE_DESTROY_UNMAP 1 +#define AGP_PAGE_DESTROY_FREE 2 + +struct aper_size_info_8 { + int size; + int num_entries; + int page_order; + u8 size_value; +}; + +struct aper_size_info_16 { + int size; + int num_entries; + int page_order; + u16 size_value; +}; + +struct aper_size_info_32 { + int size; + int num_entries; + int page_order; + u32 size_value; +}; + +struct aper_size_info_lvl2 { + int size; + int num_entries; + u32 size_value; +}; + +struct aper_size_info_fixed { + int size; + int num_entries; + int page_order; +}; + +struct agp_bridge_driver { + struct module *owner; + const void *aperture_sizes; + int num_aperture_sizes; + enum aper_size_type size_type; + bool cant_use_aperture; + bool needs_scratch_page; + const struct gatt_mask *masks; + int (*fetch_size)(void); + int (*configure)(void); + void (*agp_enable)(struct agp_bridge_data *, u32); + void (*cleanup)(void); + void (*tlb_flush)(struct agp_memory *); + unsigned long (*mask_memory)(struct agp_bridge_data *, dma_addr_t, int); + void (*cache_flush)(void); + int (*create_gatt_table)(struct agp_bridge_data *); + int (*free_gatt_table)(struct agp_bridge_data *); + int (*insert_memory)(struct agp_memory *, off_t, int); + int (*remove_memory)(struct agp_memory *, off_t, int); + struct agp_memory *(*alloc_by_type) (size_t, int); + void (*free_by_type)(struct agp_memory *); + struct page *(*agp_alloc_page)(struct agp_bridge_data *); + int (*agp_alloc_pages)(struct agp_bridge_data *, struct agp_memory *, size_t); + void (*agp_destroy_page)(struct page *, int flags); + void (*agp_destroy_pages)(struct agp_memory *); + int (*agp_type_to_mask_type) (struct agp_bridge_data *, int); +}; + +struct agp_bridge_data { + const struct agp_version *version; + const struct agp_bridge_driver *driver; + const struct vm_operations_struct *vm_ops; + void *previous_size; + void *current_size; + void *dev_private_data; + struct pci_dev *dev; + u32 __iomem *gatt_table; + u32 *gatt_table_real; + unsigned long scratch_page; + struct page *scratch_page_page; + dma_addr_t scratch_page_dma; + unsigned long gart_bus_addr; + unsigned long gatt_bus_addr; + u32 mode; + enum chipset_type type; + unsigned long *key_list; + atomic_t current_memory_agp; + atomic_t agp_in_use; + int max_memory_agp; /* in number of pages */ + int aperture_size_idx; + int capndx; + int flags; + char major_version; + char minor_version; + struct list_head list; + u32 apbase_config; + /* list of agp_memory mapped to the aperture */ + struct list_head mapped_list; + spinlock_t mapped_lock; +}; + +#define KB(x) ((x) * 1024) +#define MB(x) (KB (KB (x))) +#define GB(x) (MB (KB (x))) + +#define A_SIZE_8(x) ((struct aper_size_info_8 *) x) +#define A_SIZE_16(x) ((struct aper_size_info_16 *) x) +#define A_SIZE_32(x) ((struct aper_size_info_32 *) x) +#define A_SIZE_LVL2(x) ((struct aper_size_info_lvl2 *) x) +#define A_SIZE_FIX(x) ((struct aper_size_info_fixed *) x) +#define A_IDX8(bridge) (A_SIZE_8((bridge)->driver->aperture_sizes) + i) +#define A_IDX16(bridge) (A_SIZE_16((bridge)->driver->aperture_sizes) + i) +#define A_IDX32(bridge) (A_SIZE_32((bridge)->driver->aperture_sizes) + i) +#define MAXKEY (4096 * 32) + +#define PGE_EMPTY(b, p) (!(p) || (p) == (unsigned long) (b)->scratch_page) + + +struct agp_device_ids { + unsigned short device_id; /* first, to make table easier to read */ + enum chipset_type chipset; + const char *chipset_name; + int (*chipset_setup) (struct pci_dev *pdev); /* used to override generic */ +}; + +/* Driver registration */ +struct agp_bridge_data *agp_alloc_bridge(void); +void agp_put_bridge(struct agp_bridge_data *bridge); +int agp_add_bridge(struct agp_bridge_data *bridge); +void agp_remove_bridge(struct agp_bridge_data *bridge); + +/* Frontend routines. */ +int agp_frontend_initialize(void); +void agp_frontend_cleanup(void); + +/* Generic routines. */ +void agp_generic_enable(struct agp_bridge_data *bridge, u32 mode); +int agp_generic_create_gatt_table(struct agp_bridge_data *bridge); +int agp_generic_free_gatt_table(struct agp_bridge_data *bridge); +struct agp_memory *agp_create_memory(int scratch_pages); +int agp_generic_insert_memory(struct agp_memory *mem, off_t pg_start, int type); +int agp_generic_remove_memory(struct agp_memory *mem, off_t pg_start, int type); +struct agp_memory *agp_generic_alloc_by_type(size_t page_count, int type); +void agp_generic_free_by_type(struct agp_memory *curr); +struct page *agp_generic_alloc_page(struct agp_bridge_data *bridge); +int agp_generic_alloc_pages(struct agp_bridge_data *agp_bridge, + struct agp_memory *memory, size_t page_count); +void agp_generic_destroy_page(struct page *page, int flags); +void agp_generic_destroy_pages(struct agp_memory *memory); +void agp_free_key(int key); +int agp_num_entries(void); +u32 agp_collect_device_status(struct agp_bridge_data *bridge, u32 mode, u32 command); +void agp_device_command(u32 command, bool agp_v3); +int agp_3_5_enable(struct agp_bridge_data *bridge); +void global_cache_flush(void); +void get_agp_version(struct agp_bridge_data *bridge); +unsigned long agp_generic_mask_memory(struct agp_bridge_data *bridge, + dma_addr_t phys, int type); +int agp_generic_type_to_mask_type(struct agp_bridge_data *bridge, + int type); +struct agp_bridge_data *agp_generic_find_bridge(struct pci_dev *pdev); + +/* generic functions for user-populated AGP memory types */ +struct agp_memory *agp_generic_alloc_user(size_t page_count, int type); +void agp_alloc_page_array(size_t size, struct agp_memory *mem); +void agp_free_page_array(struct agp_memory *mem); + + +/* generic routines for agp>=3 */ +int agp3_generic_fetch_size(void); +void agp3_generic_tlbflush(struct agp_memory *mem); +int agp3_generic_configure(void); +void agp3_generic_cleanup(void); + +/* aperture sizes have been standardised since v3 */ +#define AGP_GENERIC_SIZES_ENTRIES 11 +extern const struct aper_size_info_16 agp3_generic_sizes[]; + +extern int agp_off; +extern int agp_try_unsupported_boot; + +long compat_agp_ioctl(struct file *file, unsigned int cmd, unsigned long arg); + +/* Chipset independent registers (from AGP Spec) */ +#define AGP_APBASE 0x10 + +#define AGPSTAT 0x4 +#define AGPCMD 0x8 +#define AGPNISTAT 0xc +#define AGPCTRL 0x10 +#define AGPAPSIZE 0x14 +#define AGPNEPG 0x16 +#define AGPGARTLO 0x18 +#define AGPGARTHI 0x1c +#define AGPNICMD 0x20 + +#define AGP_MAJOR_VERSION_SHIFT (20) +#define AGP_MINOR_VERSION_SHIFT (16) + +#define AGPSTAT_RQ_DEPTH (0xff000000) +#define AGPSTAT_RQ_DEPTH_SHIFT 24 + +#define AGPSTAT_CAL_MASK (1<<12|1<<11|1<<10) +#define AGPSTAT_ARQSZ (1<<15|1<<14|1<<13) +#define AGPSTAT_ARQSZ_SHIFT 13 + +#define AGPSTAT_SBA (1<<9) +#define AGPSTAT_AGP_ENABLE (1<<8) +#define AGPSTAT_FW (1<<4) +#define AGPSTAT_MODE_3_0 (1<<3) + +#define AGPSTAT2_1X (1<<0) +#define AGPSTAT2_2X (1<<1) +#define AGPSTAT2_4X (1<<2) + +#define AGPSTAT3_RSVD (1<<2) +#define AGPSTAT3_8X (1<<1) +#define AGPSTAT3_4X (1) + +#define AGPCTRL_APERENB (1<<8) +#define AGPCTRL_GTLBEN (1<<7) + +#define AGP2_RESERVED_MASK 0x00fffcc8 +#define AGP3_RESERVED_MASK 0x00ff00c4 + +#define AGP_ERRATA_FASTWRITES 1<<0 +#define AGP_ERRATA_SBA 1<<1 +#define AGP_ERRATA_1X 1<<2 + +#endif /* _AGP_BACKEND_PRIV_H */ diff --git a/drivers/video/drm/i915/Gtt/intel-agp.c b/drivers/video/drm/i915/Gtt/intel-agp.c new file mode 100644 index 0000000000..d47573858b --- /dev/null +++ b/drivers/video/drm/i915/Gtt/intel-agp.c @@ -0,0 +1,106 @@ +/* + * Intel AGPGART routines. + */ + +#include +#include +#include +#include +#include + +//#include +//#include +#include + +#include "agp.h" +#include "intel-agp.h" + +#include + +#define __devinit +#define PCI_VENDOR_ID_INTEL 0x8086 + + +int intel_gmch_probe(struct pci_dev *pdev, + struct agp_bridge_data *bridge); + +int intel_agp_enabled; + +struct agp_bridge_data *agp_alloc_bridge(void) +{ + struct agp_bridge_data *bridge; + + bridge = kzalloc(sizeof(*bridge), GFP_KERNEL); + if (!bridge) + return NULL; + + atomic_set(&bridge->agp_in_use, 0); + atomic_set(&bridge->current_memory_agp, 0); + +// if (list_empty(&agp_bridges)) +// agp_bridge = bridge; + + return bridge; +} + +static int __devinit agp_intel_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + struct agp_bridge_data *bridge; + u8 cap_ptr = 0; + int err = -ENODEV; + + cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP); + + bridge = agp_alloc_bridge(); + if (!bridge) + return -ENOMEM; + + bridge->capndx = cap_ptr; + + if (intel_gmch_probe(pdev, bridge)) + { +// pci_set_drvdata(pdev, bridge); +// err = agp_add_bridge(bridge); +// if (!err) + intel_agp_enabled = 1; + err = 0; + } + + return err; +} + +static struct pci_device_id agp_intel_pci_table[] = { +#define ID(x) \ + { \ + .class = (PCI_CLASS_BRIDGE_HOST << 8), \ + .class_mask = ~0, \ + .vendor = PCI_VENDOR_ID_INTEL, \ + .device = x, \ + .subvendor = PCI_ANY_ID, \ + .subdevice = PCI_ANY_ID, \ + } + ID(PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB), + ID(PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB), + ID(PCI_DEVICE_ID_INTEL_SANDYBRIDGE_S_HB), + { } +}; + +static pci_dev_t agp_device; + +int init_agp(void) +{ + const struct pci_device_id *ent; + + ent = find_pci_device(&agp_device, agp_intel_pci_table); + + if( unlikely(ent == NULL) ) + { + dbgprintf("host controller not found\n"); + return -ENODEV; + }; + + return agp_intel_probe(&agp_device.pci_dev, ent); +} + + diff --git a/drivers/video/drm/i915/Gtt/intel-agp.h b/drivers/video/drm/i915/Gtt/intel-agp.h new file mode 100644 index 0000000000..e629dfdaba --- /dev/null +++ b/drivers/video/drm/i915/Gtt/intel-agp.h @@ -0,0 +1,241 @@ +/* + * Common Intel AGPGART and GTT definitions. + */ +#ifndef _INTEL_AGP_H +#define _INTEL_AGP_H + +/* Intel registers */ +#define INTEL_APSIZE 0xb4 +#define INTEL_ATTBASE 0xb8 +#define INTEL_AGPCTRL 0xb0 +#define INTEL_NBXCFG 0x50 +#define INTEL_ERRSTS 0x91 + +/* Intel i830 registers */ +#define I830_GMCH_CTRL 0x52 +#define I830_GMCH_ENABLED 0x4 +#define I830_GMCH_MEM_MASK 0x1 +#define I830_GMCH_MEM_64M 0x1 +#define I830_GMCH_MEM_128M 0 +#define I830_GMCH_GMS_MASK 0x70 +#define I830_GMCH_GMS_DISABLED 0x00 +#define I830_GMCH_GMS_LOCAL 0x10 +#define I830_GMCH_GMS_STOLEN_512 0x20 +#define I830_GMCH_GMS_STOLEN_1024 0x30 +#define I830_GMCH_GMS_STOLEN_8192 0x40 +#define I830_RDRAM_CHANNEL_TYPE 0x03010 +#define I830_RDRAM_ND(x) (((x) & 0x20) >> 5) +#define I830_RDRAM_DDT(x) (((x) & 0x18) >> 3) + +/* This one is for I830MP w. an external graphic card */ +#define INTEL_I830_ERRSTS 0x92 + +/* Intel 855GM/852GM registers */ +#define I855_GMCH_GMS_MASK 0xF0 +#define I855_GMCH_GMS_STOLEN_0M 0x0 +#define I855_GMCH_GMS_STOLEN_1M (0x1 << 4) +#define I855_GMCH_GMS_STOLEN_4M (0x2 << 4) +#define I855_GMCH_GMS_STOLEN_8M (0x3 << 4) +#define I855_GMCH_GMS_STOLEN_16M (0x4 << 4) +#define I855_GMCH_GMS_STOLEN_32M (0x5 << 4) +#define I85X_CAPID 0x44 +#define I85X_VARIANT_MASK 0x7 +#define I85X_VARIANT_SHIFT 5 +#define I855_GME 0x0 +#define I855_GM 0x4 +#define I852_GME 0x2 +#define I852_GM 0x5 + +/* Intel i845 registers */ +#define INTEL_I845_AGPM 0x51 +#define INTEL_I845_ERRSTS 0xc8 + +/* Intel i860 registers */ +#define INTEL_I860_MCHCFG 0x50 +#define INTEL_I860_ERRSTS 0xc8 + +/* Intel i810 registers */ +#define I810_GMADDR 0x10 +#define I810_MMADDR 0x14 +#define I810_PTE_BASE 0x10000 +#define I810_PTE_MAIN_UNCACHED 0x00000000 +#define I810_PTE_LOCAL 0x00000002 +#define I810_PTE_VALID 0x00000001 +#define I830_PTE_SYSTEM_CACHED 0x00000006 +/* GT PTE cache control fields */ +#define GEN6_PTE_UNCACHED 0x00000002 +#define GEN6_PTE_LLC 0x00000004 +#define GEN6_PTE_LLC_MLC 0x00000006 +#define GEN6_PTE_GFDT 0x00000008 + +#define I810_SMRAM_MISCC 0x70 +#define I810_GFX_MEM_WIN_SIZE 0x00010000 +#define I810_GFX_MEM_WIN_32M 0x00010000 +#define I810_GMS 0x000000c0 +#define I810_GMS_DISABLE 0x00000000 +#define I810_PGETBL_CTL 0x2020 +#define I810_PGETBL_ENABLED 0x00000001 +/* Note: PGETBL_CTL2 has a different offset on G33. */ +#define I965_PGETBL_CTL2 0x20c4 +#define I965_PGETBL_SIZE_MASK 0x0000000e +#define I965_PGETBL_SIZE_512KB (0 << 1) +#define I965_PGETBL_SIZE_256KB (1 << 1) +#define I965_PGETBL_SIZE_128KB (2 << 1) +#define I965_PGETBL_SIZE_1MB (3 << 1) +#define I965_PGETBL_SIZE_2MB (4 << 1) +#define I965_PGETBL_SIZE_1_5MB (5 << 1) +#define G33_GMCH_SIZE_MASK (3 << 8) +#define G33_GMCH_SIZE_1M (1 << 8) +#define G33_GMCH_SIZE_2M (2 << 8) +#define G4x_GMCH_SIZE_MASK (0xf << 8) +#define G4x_GMCH_SIZE_1M (0x1 << 8) +#define G4x_GMCH_SIZE_2M (0x3 << 8) +#define G4x_GMCH_SIZE_VT_EN (0x8 << 8) +#define G4x_GMCH_SIZE_VT_1M (G4x_GMCH_SIZE_1M | G4x_GMCH_SIZE_VT_EN) +#define G4x_GMCH_SIZE_VT_1_5M ((0x2 << 8) | G4x_GMCH_SIZE_VT_EN) +#define G4x_GMCH_SIZE_VT_2M (G4x_GMCH_SIZE_2M | G4x_GMCH_SIZE_VT_EN) + +#define GFX_FLSH_CNTL 0x2170 /* 915+ */ + +#define I810_DRAM_CTL 0x3000 +#define I810_DRAM_ROW_0 0x00000001 +#define I810_DRAM_ROW_0_SDRAM 0x00000001 + +/* Intel 815 register */ +#define INTEL_815_APCONT 0x51 +#define INTEL_815_ATTBASE_MASK ~0x1FFFFFFF + +/* Intel i820 registers */ +#define INTEL_I820_RDCR 0x51 +#define INTEL_I820_ERRSTS 0xc8 + +/* Intel i840 registers */ +#define INTEL_I840_MCHCFG 0x50 +#define INTEL_I840_ERRSTS 0xc8 + +/* Intel i850 registers */ +#define INTEL_I850_MCHCFG 0x50 +#define INTEL_I850_ERRSTS 0xc8 + +/* intel 915G registers */ +#define I915_GMADDR 0x18 +#define I915_MMADDR 0x10 +#define I915_PTEADDR 0x1C +#define I915_GMCH_GMS_STOLEN_48M (0x6 << 4) +#define I915_GMCH_GMS_STOLEN_64M (0x7 << 4) +#define G33_GMCH_GMS_STOLEN_128M (0x8 << 4) +#define G33_GMCH_GMS_STOLEN_256M (0x9 << 4) +#define INTEL_GMCH_GMS_STOLEN_96M (0xa << 4) +#define INTEL_GMCH_GMS_STOLEN_160M (0xb << 4) +#define INTEL_GMCH_GMS_STOLEN_224M (0xc << 4) +#define INTEL_GMCH_GMS_STOLEN_352M (0xd << 4) + +#define I915_IFPADDR 0x60 +#define I830_HIC 0x70 + +/* Intel 965G registers */ +#define I965_MSAC 0x62 +#define I965_IFPADDR 0x70 + +/* Intel 7505 registers */ +#define INTEL_I7505_APSIZE 0x74 +#define INTEL_I7505_NCAPID 0x60 +#define INTEL_I7505_NISTAT 0x6c +#define INTEL_I7505_ATTBASE 0x78 +#define INTEL_I7505_ERRSTS 0x42 +#define INTEL_I7505_AGPCTRL 0x70 +#define INTEL_I7505_MCHCFG 0x50 + +#define SNB_GMCH_CTRL 0x50 +#define SNB_GMCH_GMS_STOLEN_MASK 0xF8 +#define SNB_GMCH_GMS_STOLEN_32M (1 << 3) +#define SNB_GMCH_GMS_STOLEN_64M (2 << 3) +#define SNB_GMCH_GMS_STOLEN_96M (3 << 3) +#define SNB_GMCH_GMS_STOLEN_128M (4 << 3) +#define SNB_GMCH_GMS_STOLEN_160M (5 << 3) +#define SNB_GMCH_GMS_STOLEN_192M (6 << 3) +#define SNB_GMCH_GMS_STOLEN_224M (7 << 3) +#define SNB_GMCH_GMS_STOLEN_256M (8 << 3) +#define SNB_GMCH_GMS_STOLEN_288M (9 << 3) +#define SNB_GMCH_GMS_STOLEN_320M (0xa << 3) +#define SNB_GMCH_GMS_STOLEN_352M (0xb << 3) +#define SNB_GMCH_GMS_STOLEN_384M (0xc << 3) +#define SNB_GMCH_GMS_STOLEN_416M (0xd << 3) +#define SNB_GMCH_GMS_STOLEN_448M (0xe << 3) +#define SNB_GMCH_GMS_STOLEN_480M (0xf << 3) +#define SNB_GMCH_GMS_STOLEN_512M (0x10 << 3) +#define SNB_GTT_SIZE_0M (0 << 8) +#define SNB_GTT_SIZE_1M (1 << 8) +#define SNB_GTT_SIZE_2M (2 << 8) +#define SNB_GTT_SIZE_MASK (3 << 8) + +/* pci devices ids */ +#define PCI_DEVICE_ID_INTEL_E7221_HB 0x2588 +#define PCI_DEVICE_ID_INTEL_E7221_IG 0x258a +#define PCI_DEVICE_ID_INTEL_82946GZ_HB 0x2970 +#define PCI_DEVICE_ID_INTEL_82946GZ_IG 0x2972 +#define PCI_DEVICE_ID_INTEL_82G35_HB 0x2980 +#define PCI_DEVICE_ID_INTEL_82G35_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 PCI_DEVICE_ID_INTEL_82965GM_HB 0x2A00 +#define PCI_DEVICE_ID_INTEL_82965GM_IG 0x2A02 +#define PCI_DEVICE_ID_INTEL_82965GME_HB 0x2A10 +#define PCI_DEVICE_ID_INTEL_82965GME_IG 0x2A12 +#define PCI_DEVICE_ID_INTEL_82945GME_HB 0x27AC +#define PCI_DEVICE_ID_INTEL_82945GME_IG 0x27AE +#define PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB 0xA010 +#define PCI_DEVICE_ID_INTEL_PINEVIEW_M_IG 0xA011 +#define PCI_DEVICE_ID_INTEL_PINEVIEW_HB 0xA000 +#define PCI_DEVICE_ID_INTEL_PINEVIEW_IG 0xA001 +#define PCI_DEVICE_ID_INTEL_G33_HB 0x29C0 +#define PCI_DEVICE_ID_INTEL_G33_IG 0x29C2 +#define PCI_DEVICE_ID_INTEL_Q35_HB 0x29B0 +#define PCI_DEVICE_ID_INTEL_Q35_IG 0x29B2 +#define PCI_DEVICE_ID_INTEL_Q33_HB 0x29D0 +#define PCI_DEVICE_ID_INTEL_Q33_IG 0x29D2 +#define PCI_DEVICE_ID_INTEL_B43_HB 0x2E40 +#define PCI_DEVICE_ID_INTEL_B43_IG 0x2E42 +#define PCI_DEVICE_ID_INTEL_B43_1_HB 0x2E90 +#define PCI_DEVICE_ID_INTEL_B43_1_IG 0x2E92 +#define PCI_DEVICE_ID_INTEL_GM45_HB 0x2A40 +#define PCI_DEVICE_ID_INTEL_GM45_IG 0x2A42 +#define PCI_DEVICE_ID_INTEL_EAGLELAKE_HB 0x2E00 +#define PCI_DEVICE_ID_INTEL_EAGLELAKE_IG 0x2E02 +#define PCI_DEVICE_ID_INTEL_Q45_HB 0x2E10 +#define PCI_DEVICE_ID_INTEL_Q45_IG 0x2E12 +#define PCI_DEVICE_ID_INTEL_G45_HB 0x2E20 +#define PCI_DEVICE_ID_INTEL_G45_IG 0x2E22 +#define PCI_DEVICE_ID_INTEL_G41_HB 0x2E30 +#define PCI_DEVICE_ID_INTEL_G41_IG 0x2E32 +#define PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB 0x0040 +#define PCI_DEVICE_ID_INTEL_IRONLAKE_D_IG 0x0042 +#define PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB 0x0044 +#define PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB 0x0062 +#define PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB 0x006a +#define PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG 0x0046 +#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB 0x0100 /* Desktop */ +#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_GT1_IG 0x0102 +#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_GT2_IG 0x0112 +#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_GT2_PLUS_IG 0x0122 +#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB 0x0104 /* Mobile */ +#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_GT1_IG 0x0106 +#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_GT2_IG 0x0116 +#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_GT2_PLUS_IG 0x0126 +#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_S_HB 0x0108 /* Server */ +#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_S_IG 0x010A +#define PCI_DEVICE_ID_INTEL_IVYBRIDGE_HB 0x0150 /* Desktop */ +#define PCI_DEVICE_ID_INTEL_IVYBRIDGE_GT1_IG 0x0152 +#define PCI_DEVICE_ID_INTEL_IVYBRIDGE_GT2_IG 0x0162 +#define PCI_DEVICE_ID_INTEL_IVYBRIDGE_M_HB 0x0154 /* Mobile */ +#define PCI_DEVICE_ID_INTEL_IVYBRIDGE_M_GT1_IG 0x0156 +#define PCI_DEVICE_ID_INTEL_IVYBRIDGE_M_GT2_IG 0x0166 +#define PCI_DEVICE_ID_INTEL_IVYBRIDGE_S_HB 0x0158 /* Server */ +#define PCI_DEVICE_ID_INTEL_IVYBRIDGE_S_GT1_IG 0x015A + +int intel_gmch_probe(struct pci_dev *pdev, + struct agp_bridge_data *bridge); +void intel_gmch_remove(struct pci_dev *pdev); +#endif diff --git a/drivers/video/drm/i915/Gtt/intel-gtt.c b/drivers/video/drm/i915/Gtt/intel-gtt.c new file mode 100644 index 0000000000..81c926d710 --- /dev/null +++ b/drivers/video/drm/i915/Gtt/intel-gtt.c @@ -0,0 +1,802 @@ +/* + * Intel GTT (Graphics Translation Table) routines + * + * Caveat: This driver implements the linux agp interface, but this is far from + * a agp driver! GTT support ended up here for purely historical reasons: The + * old userspace intel graphics drivers needed an interface to map memory into + * the GTT. And the drm provides a default interface for graphic devices sitting + * on an agp port. So it made sense to fake the GTT support as an agp port to + * avoid having to create a new api. + * + * With gem this does not make much sense anymore, just needlessly complicates + * the code. But as long as the old graphics stack is still support, it's stuck + * here. + * + * /fairy-tale-mode off + */ + +#include +#include +#include +#include +//#include +//#include +//#include +#include +#include "agp.h" +#include "intel-agp.h" +#include "intel-gtt.h" + +#include + +struct pci_dev * +pci_get_device(unsigned int vendor, unsigned int device, struct pci_dev *from); + +static bool intel_enable_gtt(void); + + +#define PG_SW 0x003 +#define PG_NOCACHE 0x018 + +#define PCI_VENDOR_ID_INTEL 0x8086 +#define PCI_DEVICE_ID_INTEL_82830_HB 0x3575 +#define PCI_DEVICE_ID_INTEL_82845G_HB 0x2560 + + +#define AGP_NORMAL_MEMORY 0 + +#define AGP_USER_TYPES (1 << 16) +#define AGP_USER_MEMORY (AGP_USER_TYPES) +#define AGP_USER_CACHED_MEMORY (AGP_USER_TYPES + 1) + +static inline uint8_t __raw_readb(const volatile void __iomem *addr) +{ + return *(const volatile uint8_t __force *) addr; +} + +static inline uint16_t __raw_readw(const volatile void __iomem *addr) +{ + return *(const volatile uint16_t __force *) addr; +} + +static inline uint32_t __raw_readl(const volatile void __iomem *addr) +{ + return *(const volatile uint32_t __force *) addr; +} + +#define readb __raw_readb +#define readw __raw_readw +#define readl __raw_readl + + +static inline void __raw_writeb(uint8_t b, volatile void __iomem *addr) +{ *(volatile uint8_t __force *) addr = b;} + +static inline void __raw_writew(uint16_t b, volatile void __iomem *addr) +{ *(volatile uint16_t __force *) addr = b;} + +static inline void __raw_writel(uint32_t b, volatile void __iomem *addr) +{ *(volatile uint32_t __force *) addr = b;} + +static inline void __raw_writeq(__u64 b, volatile void __iomem *addr) +{ *(volatile __u64 *)addr = b;} + +#define writeb __raw_writeb +#define writew __raw_writew +#define writel __raw_writel +#define writeq __raw_writeq + +static inline int pci_read_config_word(struct pci_dev *dev, int where, + u16 *val) +{ + *val = PciRead16(dev->busnr, dev->devfn, where); + return 1; +} + +static inline int pci_read_config_dword(struct pci_dev *dev, int where, + u32 *val) +{ + *val = PciRead32(dev->busnr, dev->devfn, where); + return 1; +} + +static inline int pci_write_config_word(struct pci_dev *dev, int where, + u16 val) +{ + PciWrite16(dev->busnr, dev->devfn, where, val); + return 1; +} + +/* + * If we have Intel graphics, we're not going to have anything other than + * an Intel IOMMU. So make the correct use of the PCI DMA API contingent + * on the Intel IOMMU support (CONFIG_DMAR). + * Only newer chipsets need to bother with this, of course. + */ +#ifdef CONFIG_DMAR +#define USE_PCI_DMA_API 1 +#else +#define USE_PCI_DMA_API 0 +#endif + +struct intel_gtt_driver { + unsigned int gen : 8; + unsigned int is_g33 : 1; + unsigned int is_pineview : 1; + unsigned int is_ironlake : 1; + unsigned int has_pgtbl_enable : 1; + unsigned int dma_mask_size : 8; + /* Chipset specific GTT setup */ + int (*setup)(void); + /* This should undo anything done in ->setup() save the unmapping + * of the mmio register file, that's done in the generic code. */ + void (*cleanup)(void); + void (*write_entry)(dma_addr_t addr, unsigned int entry, unsigned int flags); + /* Flags is a more or less chipset specific opaque value. + * For chipsets that need to support old ums (non-gem) code, this + * needs to be identical to the various supported agp memory types! */ + bool (*check_flags)(unsigned int flags); + void (*chipset_flush)(void); +}; + +static struct _intel_private { + struct intel_gtt base; + const struct intel_gtt_driver *driver; + struct pci_dev *pcidev; /* device one */ + struct pci_dev *bridge_dev; + u8 __iomem *registers; + phys_addr_t gtt_bus_addr; + phys_addr_t gma_bus_addr; + u32 PGETBL_save; + u32 __iomem *gtt; /* I915G */ + bool clear_fake_agp; /* on first access via agp, fill with scratch */ + int num_dcache_entries; + void __iomem *i9xx_flush_page; + char *i81x_gtt_table; + struct resource ifp_resource; + int resource_valid; + struct page *scratch_page; + dma_addr_t scratch_page_dma; +} intel_private; + +#define INTEL_GTT_GEN intel_private.driver->gen +#define IS_G33 intel_private.driver->is_g33 +#define IS_PINEVIEW intel_private.driver->is_pineview +#define IS_IRONLAKE intel_private.driver->is_ironlake +#define HAS_PGTBL_EN intel_private.driver->has_pgtbl_enable + +static int intel_gtt_setup_scratch_page(void) +{ + addr_t page; + + page = AllocPage(); + if (page == 0) + return -ENOMEM; + + intel_private.scratch_page_dma = page; + intel_private.scratch_page = NULL; + + return 0; +} + +static unsigned int intel_gtt_stolen_size(void) +{ + u16 gmch_ctrl; + u8 rdct; + int local = 0; + static const int ddt[4] = { 0, 16, 32, 64 }; + unsigned int stolen_size = 0; + + if (INTEL_GTT_GEN == 1) + return 0; /* no stolen mem on i81x */ + + pci_read_config_word(intel_private.bridge_dev, + I830_GMCH_CTRL, &gmch_ctrl); + + if (intel_private.bridge_dev->device == PCI_DEVICE_ID_INTEL_82830_HB || + intel_private.bridge_dev->device == PCI_DEVICE_ID_INTEL_82845G_HB) { + switch (gmch_ctrl & I830_GMCH_GMS_MASK) { + case I830_GMCH_GMS_STOLEN_512: + stolen_size = KB(512); + break; + case I830_GMCH_GMS_STOLEN_1024: + stolen_size = MB(1); + break; + case I830_GMCH_GMS_STOLEN_8192: + stolen_size = MB(8); + break; + case I830_GMCH_GMS_LOCAL: + rdct = readb(intel_private.registers+I830_RDRAM_CHANNEL_TYPE); + stolen_size = (I830_RDRAM_ND(rdct) + 1) * + MB(ddt[I830_RDRAM_DDT(rdct)]); + local = 1; + break; + default: + stolen_size = 0; + break; + } + } else if (INTEL_GTT_GEN == 6) { + /* + * SandyBridge has new memory control reg at 0x50.w + */ + u16 snb_gmch_ctl; + pci_read_config_word(intel_private.pcidev, SNB_GMCH_CTRL, &snb_gmch_ctl); + switch (snb_gmch_ctl & SNB_GMCH_GMS_STOLEN_MASK) { + case SNB_GMCH_GMS_STOLEN_32M: + stolen_size = MB(32); + break; + case SNB_GMCH_GMS_STOLEN_64M: + stolen_size = MB(64); + break; + case SNB_GMCH_GMS_STOLEN_96M: + stolen_size = MB(96); + break; + case SNB_GMCH_GMS_STOLEN_128M: + stolen_size = MB(128); + break; + case SNB_GMCH_GMS_STOLEN_160M: + stolen_size = MB(160); + break; + case SNB_GMCH_GMS_STOLEN_192M: + stolen_size = MB(192); + break; + case SNB_GMCH_GMS_STOLEN_224M: + stolen_size = MB(224); + break; + case SNB_GMCH_GMS_STOLEN_256M: + stolen_size = MB(256); + break; + case SNB_GMCH_GMS_STOLEN_288M: + stolen_size = MB(288); + break; + case SNB_GMCH_GMS_STOLEN_320M: + stolen_size = MB(320); + break; + case SNB_GMCH_GMS_STOLEN_352M: + stolen_size = MB(352); + break; + case SNB_GMCH_GMS_STOLEN_384M: + stolen_size = MB(384); + break; + case SNB_GMCH_GMS_STOLEN_416M: + stolen_size = MB(416); + break; + case SNB_GMCH_GMS_STOLEN_448M: + stolen_size = MB(448); + break; + case SNB_GMCH_GMS_STOLEN_480M: + stolen_size = MB(480); + break; + case SNB_GMCH_GMS_STOLEN_512M: + stolen_size = MB(512); + break; + } + } else { + switch (gmch_ctrl & I855_GMCH_GMS_MASK) { + case I855_GMCH_GMS_STOLEN_1M: + stolen_size = MB(1); + break; + case I855_GMCH_GMS_STOLEN_4M: + stolen_size = MB(4); + break; + case I855_GMCH_GMS_STOLEN_8M: + stolen_size = MB(8); + break; + case I855_GMCH_GMS_STOLEN_16M: + stolen_size = MB(16); + break; + case I855_GMCH_GMS_STOLEN_32M: + stolen_size = MB(32); + break; + case I915_GMCH_GMS_STOLEN_48M: + stolen_size = MB(48); + break; + case I915_GMCH_GMS_STOLEN_64M: + stolen_size = MB(64); + break; + case G33_GMCH_GMS_STOLEN_128M: + stolen_size = MB(128); + break; + case G33_GMCH_GMS_STOLEN_256M: + stolen_size = MB(256); + break; + case INTEL_GMCH_GMS_STOLEN_96M: + stolen_size = MB(96); + break; + case INTEL_GMCH_GMS_STOLEN_160M: + stolen_size = MB(160); + break; + case INTEL_GMCH_GMS_STOLEN_224M: + stolen_size = MB(224); + break; + case INTEL_GMCH_GMS_STOLEN_352M: + stolen_size = MB(352); + break; + default: + stolen_size = 0; + break; + } + } + + if (stolen_size > 0) { + dbgprintf("detected %dK %s memory\n", + stolen_size / KB(1), local ? "local" : "stolen"); + } else { + dbgprintf("no pre-allocated video memory detected\n"); + stolen_size = 0; + } + + return stolen_size; +} + +static void i965_adjust_pgetbl_size(unsigned int size_flag) +{ + u32 pgetbl_ctl, pgetbl_ctl2; + + /* ensure that ppgtt is disabled */ + pgetbl_ctl2 = readl(intel_private.registers+I965_PGETBL_CTL2); + pgetbl_ctl2 &= ~I810_PGETBL_ENABLED; + writel(pgetbl_ctl2, intel_private.registers+I965_PGETBL_CTL2); + + /* write the new ggtt size */ + pgetbl_ctl = readl(intel_private.registers+I810_PGETBL_CTL); + pgetbl_ctl &= ~I965_PGETBL_SIZE_MASK; + pgetbl_ctl |= size_flag; + writel(pgetbl_ctl, intel_private.registers+I810_PGETBL_CTL); +} + +static unsigned int i965_gtt_total_entries(void) +{ + int size; + u32 pgetbl_ctl; + u16 gmch_ctl; + + pci_read_config_word(intel_private.bridge_dev, + I830_GMCH_CTRL, &gmch_ctl); + + if (INTEL_GTT_GEN == 5) { + switch (gmch_ctl & G4x_GMCH_SIZE_MASK) { + case G4x_GMCH_SIZE_1M: + case G4x_GMCH_SIZE_VT_1M: + i965_adjust_pgetbl_size(I965_PGETBL_SIZE_1MB); + break; + case G4x_GMCH_SIZE_VT_1_5M: + i965_adjust_pgetbl_size(I965_PGETBL_SIZE_1_5MB); + break; + case G4x_GMCH_SIZE_2M: + case G4x_GMCH_SIZE_VT_2M: + i965_adjust_pgetbl_size(I965_PGETBL_SIZE_2MB); + break; + } + } + + pgetbl_ctl = readl(intel_private.registers+I810_PGETBL_CTL); + + switch (pgetbl_ctl & I965_PGETBL_SIZE_MASK) { + case I965_PGETBL_SIZE_128KB: + size = KB(128); + break; + case I965_PGETBL_SIZE_256KB: + size = KB(256); + break; + case I965_PGETBL_SIZE_512KB: + size = KB(512); + break; + /* GTT pagetable sizes bigger than 512KB are not possible on G33! */ + case I965_PGETBL_SIZE_1MB: + size = KB(1024); + break; + case I965_PGETBL_SIZE_2MB: + size = KB(2048); + break; + case I965_PGETBL_SIZE_1_5MB: + size = KB(1024 + 512); + break; + default: + dbgprintf("unknown page table size, assuming 512KB\n"); + size = KB(512); + } + + return size/4; +} + +static unsigned int intel_gtt_total_entries(void) +{ + int size; + + if (IS_G33 || INTEL_GTT_GEN == 4 || INTEL_GTT_GEN == 5) + return i965_gtt_total_entries(); + else if (INTEL_GTT_GEN == 6) { + u16 snb_gmch_ctl; + + pci_read_config_word(intel_private.pcidev, SNB_GMCH_CTRL, &snb_gmch_ctl); + switch (snb_gmch_ctl & SNB_GTT_SIZE_MASK) { + default: + case SNB_GTT_SIZE_0M: + printk(KERN_ERR "Bad GTT size mask: 0x%04x.\n", snb_gmch_ctl); + size = MB(0); + break; + case SNB_GTT_SIZE_1M: + size = MB(1); + break; + case SNB_GTT_SIZE_2M: + size = MB(2); + break; + } + return size/4; + } else { + /* On previous hardware, the GTT size was just what was + * required to map the aperture. + */ + return intel_private.base.gtt_mappable_entries; + } +} + +static unsigned int intel_gtt_mappable_entries(void) +{ + unsigned int aperture_size; + + if (INTEL_GTT_GEN == 1) { + u32 smram_miscc; + + pci_read_config_dword(intel_private.bridge_dev, + I810_SMRAM_MISCC, &smram_miscc); + + if ((smram_miscc & I810_GFX_MEM_WIN_SIZE) + == I810_GFX_MEM_WIN_32M) + aperture_size = MB(32); + else + aperture_size = MB(64); + } else if (INTEL_GTT_GEN == 2) { + u16 gmch_ctrl; + + pci_read_config_word(intel_private.bridge_dev, + I830_GMCH_CTRL, &gmch_ctrl); + + if ((gmch_ctrl & I830_GMCH_MEM_MASK) == I830_GMCH_MEM_64M) + aperture_size = MB(64); + else + aperture_size = MB(128); + } else { + /* 9xx supports large sizes, just look at the length */ + aperture_size = pci_resource_len(intel_private.pcidev, 2); + } + + return aperture_size >> PAGE_SHIFT; +} + +static void intel_gtt_teardown_scratch_page(void) +{ + // FreePage(intel_private.scratch_page_dma); +} + +static void intel_gtt_cleanup(void) +{ + intel_private.driver->cleanup(); + + FreeKernelSpace(intel_private.gtt); + FreeKernelSpace(intel_private.registers); + + // intel_gtt_teardown_scratch_page(); +} + +static int intel_gtt_init(void) +{ + u32 gtt_map_size; + int ret; + + ENTER(); + + ret = intel_private.driver->setup(); + if (ret != 0) + { + LEAVE(); + return ret; + }; + + + intel_private.base.gtt_mappable_entries = intel_gtt_mappable_entries(); + intel_private.base.gtt_total_entries = intel_gtt_total_entries(); + + /* save the PGETBL reg for resume */ + intel_private.PGETBL_save = + readl(intel_private.registers+I810_PGETBL_CTL) + & ~I810_PGETBL_ENABLED; + /* we only ever restore the register when enabling the PGTBL... */ + if (HAS_PGTBL_EN) + intel_private.PGETBL_save |= I810_PGETBL_ENABLED; + + dbgprintf("detected gtt size: %dK total, %dK mappable\n", + intel_private.base.gtt_total_entries * 4, + intel_private.base.gtt_mappable_entries * 4); + + gtt_map_size = intel_private.base.gtt_total_entries * 4; + + intel_private.gtt = (u32*)MapIoMem(intel_private.gtt_bus_addr, + gtt_map_size, PG_SW+PG_NOCACHE); + if (!intel_private.gtt) { + intel_private.driver->cleanup(); + FreeKernelSpace(intel_private.registers); + return -ENOMEM; + } + + asm volatile("wbinvd"); + + intel_private.base.stolen_size = intel_gtt_stolen_size(); + + intel_private.base.needs_dmar = USE_PCI_DMA_API && INTEL_GTT_GEN > 2; + + ret = intel_gtt_setup_scratch_page(); + if (ret != 0) { + intel_gtt_cleanup(); + return ret; + } + + intel_enable_gtt(); + + LEAVE(); + + return 0; +} + +static bool intel_enable_gtt(void) +{ + u32 gma_addr; + u8 __iomem *reg; + + if (INTEL_GTT_GEN <= 2) + pci_read_config_dword(intel_private.pcidev, I810_GMADDR, + &gma_addr); + else + pci_read_config_dword(intel_private.pcidev, I915_GMADDR, + &gma_addr); + + intel_private.gma_bus_addr = (gma_addr & PCI_BASE_ADDRESS_MEM_MASK); + + if (INTEL_GTT_GEN >= 6) + return true; + + if (INTEL_GTT_GEN == 2) { + u16 gmch_ctrl; + + pci_read_config_word(intel_private.bridge_dev, + I830_GMCH_CTRL, &gmch_ctrl); + gmch_ctrl |= I830_GMCH_ENABLED; + pci_write_config_word(intel_private.bridge_dev, + I830_GMCH_CTRL, gmch_ctrl); + + pci_read_config_word(intel_private.bridge_dev, + I830_GMCH_CTRL, &gmch_ctrl); + if ((gmch_ctrl & I830_GMCH_ENABLED) == 0) { + dbgprintf("failed to enable the GTT: GMCH_CTRL=%x\n", + gmch_ctrl); + return false; + } + } + + /* On the resume path we may be adjusting the PGTBL value, so + * be paranoid and flush all chipset write buffers... + */ + if (INTEL_GTT_GEN >= 3) + writel(0, intel_private.registers+GFX_FLSH_CNTL); + + reg = intel_private.registers+I810_PGETBL_CTL; + writel(intel_private.PGETBL_save, reg); + if (HAS_PGTBL_EN && (readl(reg) & I810_PGETBL_ENABLED) == 0) { + dbgprintf("failed to enable the GTT: PGETBL=%x [expected %x]\n", + readl(reg), intel_private.PGETBL_save); + return false; + } + + if (INTEL_GTT_GEN >= 3) + writel(0, intel_private.registers+GFX_FLSH_CNTL); + + return true; +} + + + +static void intel_i9xx_setup_flush(void) +{ + /* return if already configured */ + if (intel_private.ifp_resource.start) + return; + + if (INTEL_GTT_GEN == 6) + return; + +#if 0 + /* setup a resource for this object */ + intel_private.ifp_resource.name = "Intel Flush Page"; + intel_private.ifp_resource.flags = IORESOURCE_MEM; + + /* Setup chipset flush for 915 */ + if (IS_G33 || INTEL_GTT_GEN >= 4) { + intel_i965_g33_setup_chipset_flush(); + } else { + intel_i915_setup_chipset_flush(); + } + + if (intel_private.ifp_resource.start) + intel_private.i9xx_flush_page = ioremap_nocache(intel_private.ifp_resource.start, PAGE_SIZE); + if (!intel_private.i9xx_flush_page) + dev_err(&intel_private.pcidev->dev, + "can't ioremap flush page - no chipset flushing\n"); +#endif + +} + +static void i9xx_chipset_flush(void) +{ + if (intel_private.i9xx_flush_page) + writel(1, intel_private.i9xx_flush_page); +} + +static bool gen6_check_flags(unsigned int flags) +{ + return true; +} + +static void gen6_write_entry(dma_addr_t addr, unsigned int entry, + unsigned int flags) +{ + unsigned int type_mask = flags & ~AGP_USER_CACHED_MEMORY_GFDT; + unsigned int gfdt = flags & AGP_USER_CACHED_MEMORY_GFDT; + u32 pte_flags; + + if (type_mask == AGP_USER_MEMORY) + pte_flags = GEN6_PTE_UNCACHED | I810_PTE_VALID; + else if (type_mask == AGP_USER_CACHED_MEMORY_LLC_MLC) { + pte_flags = GEN6_PTE_LLC_MLC | I810_PTE_VALID; + if (gfdt) + pte_flags |= GEN6_PTE_GFDT; + } else { /* set 'normal'/'cached' to LLC by default */ + pte_flags = GEN6_PTE_LLC | I810_PTE_VALID; + if (gfdt) + pte_flags |= GEN6_PTE_GFDT; + } + + /* gen6 has bit11-4 for physical addr bit39-32 */ + addr |= (addr >> 28) & 0xff0; + writel(addr | pte_flags, intel_private.gtt + entry); +} + +static void gen6_cleanup(void) +{ +} + +static int i9xx_setup(void) +{ + u32 reg_addr; + + pci_read_config_dword(intel_private.pcidev, I915_MMADDR, ®_addr); + + reg_addr &= 0xfff80000; + + intel_private.registers = (u8*)MapIoMem(reg_addr, 128 * 4096, PG_SW+PG_NOCACHE); + + if (!intel_private.registers) + return -ENOMEM; + + if (INTEL_GTT_GEN == 3) { + u32 gtt_addr; + + pci_read_config_dword(intel_private.pcidev, + I915_PTEADDR, >t_addr); + intel_private.gtt_bus_addr = gtt_addr; + } else { + u32 gtt_offset; + + switch (INTEL_GTT_GEN) { + case 5: + case 6: + gtt_offset = MB(2); + break; + case 4: + default: + gtt_offset = KB(512); + break; + } + intel_private.gtt_bus_addr = reg_addr + gtt_offset; + } + + intel_i9xx_setup_flush(); + + return 0; +} + +static const struct intel_gtt_driver sandybridge_gtt_driver = { + .gen = 6, + .setup = i9xx_setup, + .cleanup = gen6_cleanup, + .write_entry = gen6_write_entry, + .dma_mask_size = 40, + .check_flags = gen6_check_flags, + .chipset_flush = i9xx_chipset_flush, +}; + +/* Table to describe Intel GMCH and AGP/PCIE GART drivers. At least one of + * driver and gmch_driver must be non-null, and find_gmch will determine + * which one should be used if a gmch_chip_id is present. + */ +static const struct intel_gtt_driver_description { + unsigned int gmch_chip_id; + char *name; + const struct intel_gtt_driver *gtt_driver; +} intel_gtt_chipsets[] = { + { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_GT1_IG, + "Sandybridge", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_GT2_IG, + "Sandybridge", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_GT2_PLUS_IG, + "Sandybridge", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_GT1_IG, + "Sandybridge", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_GT2_IG, + "Sandybridge", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_GT2_PLUS_IG, + "Sandybridge", &sandybridge_gtt_driver }, + { PCI_DEVICE_ID_INTEL_SANDYBRIDGE_S_IG, + "Sandybridge", &sandybridge_gtt_driver }, + { 0, NULL, NULL } +}; + +static int find_gmch(u16 device) +{ + struct pci_dev *gmch_device; + + gmch_device = pci_get_device(PCI_VENDOR_ID_INTEL, device, NULL); + if (gmch_device && PCI_FUNC(gmch_device->devfn) != 0) { + gmch_device = pci_get_device(PCI_VENDOR_ID_INTEL, + device, gmch_device); + } + + if (!gmch_device) + return 0; + + intel_private.pcidev = gmch_device; + return 1; +} + +int intel_gmch_probe(struct pci_dev *pdev, + struct agp_bridge_data *bridge) +{ + int i, mask; + intel_private.driver = NULL; + + for (i = 0; intel_gtt_chipsets[i].name != NULL; i++) { + if (find_gmch(intel_gtt_chipsets[i].gmch_chip_id)) { + intel_private.driver = + intel_gtt_chipsets[i].gtt_driver; + break; + } + } + + if (!intel_private.driver) + return 0; + + // bridge->driver = &intel_fake_agp_driver; + bridge->dev_private_data = &intel_private; + bridge->dev = pdev; + + intel_private.bridge_dev = pdev; + + dbgprintf("Intel %s Chipset\n", intel_gtt_chipsets[i].name); + + mask = intel_private.driver->dma_mask_size; +// if (pci_set_dma_mask(intel_private.pcidev, DMA_BIT_MASK(mask))) +// dev_err(&intel_private.pcidev->dev, +// "set gfx device dma mask %d-bit failed!\n", mask); +// else +// pci_set_consistent_dma_mask(intel_private.pcidev, +// DMA_BIT_MASK(mask)); + + /*if (bridge->driver == &intel_810_driver) + return 1;*/ + + if (intel_gtt_init() != 0) + return 0; + + return 1; +} + diff --git a/drivers/video/drm/i915/Gtt/intel-gtt.h b/drivers/video/drm/i915/Gtt/intel-gtt.h new file mode 100644 index 0000000000..4decadc780 --- /dev/null +++ b/drivers/video/drm/i915/Gtt/intel-gtt.h @@ -0,0 +1,41 @@ +/* Common header for intel-gtt.ko and i915.ko */ + +#ifndef _DRM_INTEL_GTT_H +#define _DRM_INTEL_GTT_H + +const struct intel_gtt { + /* Size of memory reserved for graphics by the BIOS */ + unsigned int stolen_size; + /* Total number of gtt entries. */ + unsigned int gtt_total_entries; + /* Part of the gtt that is mappable by the cpu, for those chips where + * this is not the full gtt. */ + unsigned int gtt_mappable_entries; + /* Whether i915 needs to use the dmar apis or not. */ + unsigned int needs_dmar : 1; +} *intel_gtt_get(void); + +void intel_gtt_chipset_flush(void); +void intel_gtt_unmap_memory(struct scatterlist *sg_list, int num_sg); +void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries); +int intel_gtt_map_memory(struct page **pages, unsigned int num_entries, + struct scatterlist **sg_list, int *num_sg); +void intel_gtt_insert_sg_entries(struct scatterlist *sg_list, + unsigned int sg_len, + unsigned int pg_start, + unsigned int flags); +void intel_gtt_insert_pages(unsigned int first_entry, unsigned int num_entries, + struct page **pages, unsigned int flags); + +/* Special gtt memory types */ +#define AGP_DCACHE_MEMORY 1 +#define AGP_PHYS_MEMORY 2 + +/* New caching attributes for gen6/sandybridge */ +#define AGP_USER_CACHED_MEMORY_LLC_MLC (AGP_USER_TYPES + 2) +#define AGP_USER_UNCACHED_MEMORY (AGP_USER_TYPES + 4) + +/* flag for GFDT type */ +#define AGP_USER_CACHED_MEMORY_GFDT (1 << 3) + +#endif diff --git a/drivers/video/drm/i915/i915.asm b/drivers/video/drm/i915/i915.asm new file mode 100644 index 0000000000..fb6f684d12 --- /dev/null +++ b/drivers/video/drm/i915/i915.asm @@ -0,0 +1,46 @@ + +use32 + +db 'MENUET01' +dd 1 +dd start +dd i_end +dd mem +dd mem +dd cmdline +dd path + +start: + mov eax, 68 + mov ebx, 16 + mov ecx, sz_display + int 0x40 + test eax, eax + jnz .done ; FIXME parse command line and + ; call service + + xor eax, eax + mov ecx, 1024 + mov edi, path + cld + repne scasb + dec edi + mov [edi], dword '.dll' + mov [edi+4], al + mov eax, 68 + mov ebx, 21 + mov ecx, path + mov edx, cmdline + int 0x40 +.done: + mov eax, -1 + int 0x40 + +sz_display db 'DISPLAY',0 + +align 4 +i_end: +cmdline rb 256 +path rb 1024 + rb 16 ; stack +mem: diff --git a/drivers/video/drm/i915/i915.lds b/drivers/video/drm/i915/i915.lds new file mode 100644 index 0000000000..8bb43eefae --- /dev/null +++ b/drivers/video/drm/i915/i915.lds @@ -0,0 +1,56 @@ + + +OUTPUT_FORMAT(pei-i386) + +ENTRY("_drvEntry") + +SECTIONS +{ + . = SIZEOF_HEADERS; + . = ALIGN(__section_alignment__); + + .text __image_base__ + ( __section_alignment__ < 0x1000 ? . : __section_alignment__ ) : + + { + *(.text) *(.rdata) + } + + .data ALIGN(__section_alignment__) : + { + *(.data) + } + + .bss ALIGN(__section_alignment__): + { + *(.bss) + *(COMMON) + } + + /DISCARD/ : + { + *(.debug$S) + *(.debug$T) + *(.debug$F) + *(.drectve) + *(.edata) + } + + .idata ALIGN(__section_alignment__): + { + SORT(*)(.idata$2) + SORT(*)(.idata$3) + /* These zeroes mark the end of the import list. */ + LONG (0); LONG (0); LONG (0); LONG (0); LONG (0); + SORT(*)(.idata$4) + SORT(*)(.idata$5) + SORT(*)(.idata$6) + SORT(*)(.idata$7) + } + + .reloc ALIGN(__section_alignment__) : + { + *(.reloc) + } + +} + diff --git a/drivers/video/drm/i915/i915_drv.c b/drivers/video/drm/i915/i915_drv.c new file mode 100644 index 0000000000..429c3d25d9 --- /dev/null +++ b/drivers/video/drm/i915/i915_drv.c @@ -0,0 +1,187 @@ + +/* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*- + */ +/* + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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, sub license, 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS 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 +#include + +#include +#include +#include +#include +#include + + +enum { + RCS = 0x0, + VCS, + BCS, + I915_NUM_RINGS, +}; + + +#include "i915_drv.h" +#include + +#define INTEL_VGA_DEVICE(id, info) { \ + .class = PCI_CLASS_DISPLAY_VGA << 8, \ + .class_mask = 0xff0000, \ + .vendor = 0x8086, \ + .device = id, \ + .subvendor = PCI_ANY_ID, \ + .subdevice = PCI_ANY_ID, \ + .driver_data = (unsigned long) info } + +static const struct intel_device_info intel_sandybridge_d_info = { + .gen = 6, + .need_gfx_hws = 1, + .has_hotplug = 1, + .has_bsd_ring = 1, + .has_blt_ring = 1, +}; + +static const struct intel_device_info intel_sandybridge_m_info = { + .gen = 6, + .is_mobile = 1, + .need_gfx_hws = 1, + .has_hotplug = 1, + .has_fbc = 1, + .has_bsd_ring = 1, + .has_blt_ring = 1, +}; + + +static const struct pci_device_id pciidlist[] = { /* aka */ + INTEL_VGA_DEVICE(0x0102, &intel_sandybridge_d_info), + INTEL_VGA_DEVICE(0x0112, &intel_sandybridge_d_info), + INTEL_VGA_DEVICE(0x0122, &intel_sandybridge_d_info), + INTEL_VGA_DEVICE(0x0106, &intel_sandybridge_m_info), + INTEL_VGA_DEVICE(0x0116, &intel_sandybridge_m_info), + INTEL_VGA_DEVICE(0x0126, &intel_sandybridge_m_info), + INTEL_VGA_DEVICE(0x010A, &intel_sandybridge_d_info), + {0, 0, 0} +}; + + +int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent); + +int i915_init(void) +{ + static pci_dev_t device; + const struct pci_device_id *ent; + int err; + + if( init_agp() != 0) + { + DRM_ERROR("drm/i915 can't work without intel_agp module!\n"); + return 0; + }; + + ent = find_pci_device(&device, pciidlist); + + if( unlikely(ent == NULL) ) + { + dbgprintf("device not found\n"); + return 0; + }; + + dbgprintf("device %x:%x\n", device.pci_dev.vendor, + device.pci_dev.device); + + err = drm_get_dev(&device.pci_dev, ent); + + return err; +} + +int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent) +{ + static struct drm_device *dev; + int ret; + + ENTER(); + + dev = kzalloc(sizeof(*dev), 0); + if (!dev) + return -ENOMEM; + + // ret = pci_enable_device(pdev); + // if (ret) + // goto err_g1; + + // pci_set_master(pdev); + + // if ((ret = drm_fill_in_dev(dev, pdev, ent, driver))) { + // printk(KERN_ERR "DRM: Fill_in_dev failed.\n"); + // goto err_g2; + // } + + dev->pdev = pdev; + dev->pci_device = pdev->device; + dev->pci_vendor = pdev->vendor; + + INIT_LIST_HEAD(&dev->filelist); + INIT_LIST_HEAD(&dev->ctxlist); + INIT_LIST_HEAD(&dev->vmalist); + INIT_LIST_HEAD(&dev->maplist); + + spin_lock_init(&dev->count_lock); + mutex_init(&dev->struct_mutex); + mutex_init(&dev->ctxlist_mutex); + +//int i915_driver_load(struct drm_device *dev, unsigned long flags) + +// ret = radeon_driver_load_kms(dev, ent->driver_data ); +// if (ret) +// goto err_g4; + +// if( radeon_modeset ) +// init_display_kms(dev->dev_private, &usermode); +// else +// init_display(dev->dev_private, &usermode); + + LEAVE(); + + return 0; + +err_g4: +// drm_put_minor(&dev->primary); +//err_g3: +// if (drm_core_check_feature(dev, DRIVER_MODESET)) +// drm_put_minor(&dev->control); +//err_g2: +// pci_disable_device(pdev); +//err_g1: + free(dev); + + LEAVE(); + + return ret; +} + + diff --git a/drivers/video/drm/i915/i915_drv.h b/drivers/video/drm/i915/i915_drv.h new file mode 100644 index 0000000000..d3008594c2 --- /dev/null +++ b/drivers/video/drm/i915/i915_drv.h @@ -0,0 +1,1256 @@ +/* i915_drv.h -- Private header for the I915 driver -*- linux-c -*- + */ +/* + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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, sub license, 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS 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. + * + */ + +#ifndef _I915_DRV_H_ +#define _I915_DRV_H_ + +#include "i915_reg.h" +//#include "intel_bios.h" +//#include "intel_ringbuffer.h" +//#include +//#include +//#include +//#include + +#include + +/* General customization: + */ + +#define DRIVER_AUTHOR "Tungsten Graphics, Inc." + +#define DRIVER_NAME "i915" +#define DRIVER_DESC "Intel Graphics" +#define DRIVER_DATE "20080730" + +enum pipe { + PIPE_A = 0, + PIPE_B, + PIPE_C, + I915_MAX_PIPES +}; +#define pipe_name(p) ((p) + 'A') + +enum plane { + PLANE_A = 0, + PLANE_B, + PLANE_C, +}; +#define plane_name(p) ((p) + 'A') + +#define I915_GEM_GPU_DOMAINS (~(I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT)) + +#define for_each_pipe(p) for ((p) = 0; (p) < dev_priv->num_pipe; (p)++) + +/* Interface history: + * + * 1.1: Original. + * 1.2: Add Power Management + * 1.3: Add vblank support + * 1.4: Fix cmdbuffer path, add heap destroy + * 1.5: Add vblank pipe configuration + * 1.6: - New ioctl for scheduling buffer swaps on vertical blank + * - Support vertical blank on secondary display pipe + */ +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 6 +#define DRIVER_PATCHLEVEL 0 + +#define WATCH_COHERENCY 0 +#define WATCH_LISTS 0 + +#define I915_GEM_PHYS_CURSOR_0 1 +#define I915_GEM_PHYS_CURSOR_1 2 +#define I915_GEM_PHYS_OVERLAY_REGS 3 +#define I915_MAX_PHYS_OBJECT (I915_GEM_PHYS_OVERLAY_REGS) + +struct mem_block { + struct mem_block *next; + struct mem_block *prev; + int start; + int size; + struct drm_file *file_priv; /* NULL: free, -1: heap, other: real files */ +}; + +struct opregion_header; +struct opregion_acpi; +struct opregion_swsci; +struct opregion_asle; + +struct intel_opregion { + struct opregion_header *header; + struct opregion_acpi *acpi; + struct opregion_swsci *swsci; + struct opregion_asle *asle; + void *vbt; + u32 __iomem *lid_state; +}; +#define OPREGION_SIZE (8*1024) + +struct intel_overlay; +struct intel_overlay_error_state; + + +#define I915_FENCE_REG_NONE -1 + +struct drm_i915_fence_reg { + struct list_head lru_list; + struct drm_i915_gem_object *obj; + uint32_t setup_seqno; +}; + +struct sdvo_device_mapping { + u8 initialized; + u8 dvo_port; + u8 slave_addr; + u8 dvo_wiring; + u8 i2c_pin; + u8 i2c_speed; + u8 ddc_pin; +}; + +struct intel_display_error_state; + +struct drm_i915_error_state { + u32 eir; + u32 pgtbl_er; + u32 pipestat[I915_MAX_PIPES]; + u32 ipeir; + u32 ipehr; + u32 instdone; + u32 acthd; + u32 error; /* gen6+ */ + u32 bcs_acthd; /* gen6+ blt engine */ + u32 bcs_ipehr; + u32 bcs_ipeir; + u32 bcs_instdone; + u32 bcs_seqno; + u32 vcs_acthd; /* gen6+ bsd engine */ + u32 vcs_ipehr; + u32 vcs_ipeir; + u32 vcs_instdone; + u32 vcs_seqno; + u32 instpm; + u32 instps; + u32 instdone1; + u32 seqno; + u64 bbaddr; + u64 fence[16]; + struct timeval time; + struct drm_i915_error_object { + int page_count; + u32 gtt_offset; + u32 *pages[0]; + } *ringbuffer[I915_NUM_RINGS], *batchbuffer[I915_NUM_RINGS]; + struct drm_i915_error_buffer { + u32 size; + u32 name; + u32 seqno; + u32 gtt_offset; + u32 read_domains; + u32 write_domain; + s32 fence_reg:5; + s32 pinned:2; + u32 tiling:2; + u32 dirty:1; + u32 purgeable:1; + u32 ring:4; + u32 cache_level:2; + } *active_bo, *pinned_bo; + u32 active_bo_count, pinned_bo_count; + struct intel_overlay_error_state *overlay; + struct intel_display_error_state *display; +}; + +struct drm_i915_display_funcs { + void (*dpms)(struct drm_crtc *crtc, int mode); + bool (*fbc_enabled)(struct drm_device *dev); + void (*enable_fbc)(struct drm_crtc *crtc, unsigned long interval); + void (*disable_fbc)(struct drm_device *dev); + int (*get_display_clock_speed)(struct drm_device *dev); + int (*get_fifo_size)(struct drm_device *dev, int plane); + void (*update_wm)(struct drm_device *dev); + int (*crtc_mode_set)(struct drm_crtc *crtc, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode, + int x, int y, + struct drm_framebuffer *old_fb); + void (*fdi_link_train)(struct drm_crtc *crtc); + void (*init_clock_gating)(struct drm_device *dev); + void (*init_pch_clock_gating)(struct drm_device *dev); + int (*queue_flip)(struct drm_device *dev, struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_i915_gem_object *obj); + int (*update_plane)(struct drm_crtc *crtc, struct drm_framebuffer *fb, + int x, int y); + /* clock updates for mode set */ + /* cursor updates */ + /* render clock increase/decrease */ + /* display clock increase/decrease */ + /* pll clock increase/decrease */ +}; + +struct intel_device_info { + u8 gen; + u8 is_mobile : 1; + u8 is_i85x : 1; + u8 is_i915g : 1; + u8 is_i945gm : 1; + u8 is_g33 : 1; + u8 need_gfx_hws : 1; + u8 is_g4x : 1; + u8 is_pineview : 1; + u8 is_broadwater : 1; + u8 is_crestline : 1; + u8 is_ivybridge : 1; + u8 has_fbc : 1; + u8 has_pipe_cxsr : 1; + u8 has_hotplug : 1; + u8 cursor_needs_physical : 1; + u8 has_overlay : 1; + u8 overlay_needs_physical : 1; + u8 supports_tv : 1; + u8 has_bsd_ring : 1; + u8 has_blt_ring : 1; +}; + +enum no_fbc_reason { + FBC_NO_OUTPUT, /* no outputs enabled to compress */ + FBC_STOLEN_TOO_SMALL, /* not enough space to hold compressed buffers */ + FBC_UNSUPPORTED_MODE, /* interlace or doublescanned mode */ + FBC_MODE_TOO_LARGE, /* mode too large for compression */ + FBC_BAD_PLANE, /* fbc not supported on plane */ + FBC_NOT_TILED, /* buffer not tiled */ + FBC_MULTIPLE_PIPES, /* more than one pipe active */ + FBC_MODULE_PARAM, +}; + +enum intel_pch { + PCH_IBX, /* Ibexpeak PCH */ + PCH_CPT, /* Cougarpoint PCH */ +}; + +#define QUIRK_PIPEA_FORCE (1<<0) +#define QUIRK_LVDS_SSC_DISABLE (1<<1) + +struct intel_fbdev; +struct intel_fbc_work; + + +typedef struct drm_i915_private { + struct drm_device *dev; + + const struct intel_device_info *info; + + int has_gem; + int relative_constants_mode; + + void __iomem *regs; + u32 gt_fifo_count; + +// struct intel_gmbus { +// struct i2c_adapter adapter; +// struct i2c_adapter *force_bit; +// u32 reg0; +// } *gmbus; + + struct pci_dev *bridge_dev; +// struct intel_ring_buffer ring[I915_NUM_RINGS]; + uint32_t next_seqno; + +// drm_dma_handle_t *status_page_dmah; +// uint32_t counter; +// drm_local_map_t hws_map; +// struct drm_i915_gem_object *pwrctx; +// struct drm_i915_gem_object *renderctx; + +// struct resource mch_res; + + unsigned int cpp; + int back_offset; + int front_offset; + int current_page; + int page_flipping; + + atomic_t irq_received; + + /* protects the irq masks */ + spinlock_t irq_lock; + /** Cached value of IMR to avoid reads in updating the bitfield */ + u32 pipestat[2]; + u32 irq_mask; + u32 gt_irq_mask; + u32 pch_irq_mask; + + u32 hotplug_supported_mask; +// struct work_struct hotplug_work; + + int tex_lru_log_granularity; + int allow_batchbuffer; + struct mem_block *agp_heap; + unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds; + int vblank_pipe; + int num_pipe; + + /* For hangcheck timer */ +#define DRM_I915_HANGCHECK_PERIOD 1500 /* in ms */ +// struct timer_list hangcheck_timer; + int hangcheck_count; + uint32_t last_acthd; + uint32_t last_instdone; + uint32_t last_instdone1; + + unsigned long cfb_size; + unsigned int cfb_fb; + enum plane cfb_plane; + int cfb_y; +// struct intel_fbc_work *fbc_work; + +// struct intel_opregion opregion; + + /* overlay */ +// struct intel_overlay *overlay; + + /* LVDS info */ + int backlight_level; /* restore backlight to this value */ + bool backlight_enabled; + struct drm_display_mode *panel_fixed_mode; + struct drm_display_mode *lfp_lvds_vbt_mode; /* if any */ + struct drm_display_mode *sdvo_lvds_vbt_mode; /* if any */ + + /* Feature bits from the VBIOS */ + unsigned int int_tv_support:1; + unsigned int lvds_dither:1; + unsigned int lvds_vbt:1; + unsigned int int_crt_support:1; + unsigned int lvds_use_ssc:1; + int lvds_ssc_freq; + struct { + int rate; + int lanes; + int preemphasis; + int vswing; + + bool initialized; + bool support; + int bpp; +// struct edp_power_seq pps; + } edp; + bool no_aux_handshake; + +// struct notifier_block lid_notifier; + + int crt_ddc_pin; +// struct drm_i915_fence_reg fence_regs[16]; /* assume 965 */ + int fence_reg_start; /* 4 if userland hasn't ioctl'd us yet */ + int num_fence_regs; /* 8 on pre-965, 16 otherwise */ + + unsigned int fsb_freq, mem_freq, is_ddr3; + + spinlock_t error_lock; +// struct drm_i915_error_state *first_error; +// struct work_struct error_work; +// struct completion error_completion; +// struct workqueue_struct *wq; + + /* Display functions */ +// struct drm_i915_display_funcs display; + + /* PCH chipset type */ + enum intel_pch pch_type; + + unsigned long quirks; + + /* Register state */ + bool modeset_on_lid; + u8 saveLBB; + u32 saveDSPACNTR; + u32 saveDSPBCNTR; + u32 saveDSPARB; + u32 saveHWS; + u32 savePIPEACONF; + u32 savePIPEBCONF; + u32 savePIPEASRC; + u32 savePIPEBSRC; + u32 saveFPA0; + u32 saveFPA1; + u32 saveDPLL_A; + u32 saveDPLL_A_MD; + u32 saveHTOTAL_A; + u32 saveHBLANK_A; + u32 saveHSYNC_A; + u32 saveVTOTAL_A; + u32 saveVBLANK_A; + u32 saveVSYNC_A; + u32 saveBCLRPAT_A; + u32 saveTRANSACONF; + u32 saveTRANS_HTOTAL_A; + u32 saveTRANS_HBLANK_A; + u32 saveTRANS_HSYNC_A; + u32 saveTRANS_VTOTAL_A; + u32 saveTRANS_VBLANK_A; + u32 saveTRANS_VSYNC_A; + u32 savePIPEASTAT; + u32 saveDSPASTRIDE; + u32 saveDSPASIZE; + u32 saveDSPAPOS; + u32 saveDSPAADDR; + u32 saveDSPASURF; + u32 saveDSPATILEOFF; + u32 savePFIT_PGM_RATIOS; + u32 saveBLC_HIST_CTL; + u32 saveBLC_PWM_CTL; + u32 saveBLC_PWM_CTL2; + u32 saveBLC_CPU_PWM_CTL; + u32 saveBLC_CPU_PWM_CTL2; + u32 saveFPB0; + u32 saveFPB1; + u32 saveDPLL_B; + u32 saveDPLL_B_MD; + u32 saveHTOTAL_B; + u32 saveHBLANK_B; + u32 saveHSYNC_B; + u32 saveVTOTAL_B; + u32 saveVBLANK_B; + u32 saveVSYNC_B; + u32 saveBCLRPAT_B; + u32 saveTRANSBCONF; + u32 saveTRANS_HTOTAL_B; + u32 saveTRANS_HBLANK_B; + u32 saveTRANS_HSYNC_B; + u32 saveTRANS_VTOTAL_B; + u32 saveTRANS_VBLANK_B; + u32 saveTRANS_VSYNC_B; + u32 savePIPEBSTAT; + u32 saveDSPBSTRIDE; + u32 saveDSPBSIZE; + u32 saveDSPBPOS; + u32 saveDSPBADDR; + u32 saveDSPBSURF; + u32 saveDSPBTILEOFF; + u32 saveVGA0; + u32 saveVGA1; + u32 saveVGA_PD; + u32 saveVGACNTRL; + u32 saveADPA; + u32 saveLVDS; + u32 savePP_ON_DELAYS; + u32 savePP_OFF_DELAYS; + u32 saveDVOA; + u32 saveDVOB; + u32 saveDVOC; + u32 savePP_ON; + u32 savePP_OFF; + u32 savePP_CONTROL; + u32 savePP_DIVISOR; + u32 savePFIT_CONTROL; + u32 save_palette_a[256]; + u32 save_palette_b[256]; + u32 saveDPFC_CB_BASE; + u32 saveFBC_CFB_BASE; + u32 saveFBC_LL_BASE; + u32 saveFBC_CONTROL; + u32 saveFBC_CONTROL2; + u32 saveIER; + u32 saveIIR; + u32 saveIMR; + u32 saveDEIER; + u32 saveDEIMR; + u32 saveGTIER; + u32 saveGTIMR; + u32 saveFDI_RXA_IMR; + u32 saveFDI_RXB_IMR; + u32 saveCACHE_MODE_0; + u32 saveMI_ARB_STATE; + u32 saveSWF0[16]; + u32 saveSWF1[16]; + u32 saveSWF2[3]; + u8 saveMSR; + u8 saveSR[8]; + u8 saveGR[25]; + u8 saveAR_INDEX; + u8 saveAR[21]; + u8 saveDACMASK; + u8 saveCR[37]; + uint64_t saveFENCE[16]; + u32 saveCURACNTR; + u32 saveCURAPOS; + u32 saveCURABASE; + u32 saveCURBCNTR; + u32 saveCURBPOS; + u32 saveCURBBASE; + u32 saveCURSIZE; + u32 saveDP_B; + u32 saveDP_C; + u32 saveDP_D; + u32 savePIPEA_GMCH_DATA_M; + u32 savePIPEB_GMCH_DATA_M; + u32 savePIPEA_GMCH_DATA_N; + u32 savePIPEB_GMCH_DATA_N; + u32 savePIPEA_DP_LINK_M; + u32 savePIPEB_DP_LINK_M; + u32 savePIPEA_DP_LINK_N; + u32 savePIPEB_DP_LINK_N; + u32 saveFDI_RXA_CTL; + u32 saveFDI_TXA_CTL; + u32 saveFDI_RXB_CTL; + u32 saveFDI_TXB_CTL; + u32 savePFA_CTL_1; + u32 savePFB_CTL_1; + u32 savePFA_WIN_SZ; + u32 savePFB_WIN_SZ; + u32 savePFA_WIN_POS; + u32 savePFB_WIN_POS; + u32 savePCH_DREF_CONTROL; + u32 saveDISP_ARB_CTL; + u32 savePIPEA_DATA_M1; + u32 savePIPEA_DATA_N1; + u32 savePIPEA_LINK_M1; + u32 savePIPEA_LINK_N1; + u32 savePIPEB_DATA_M1; + u32 savePIPEB_DATA_N1; + u32 savePIPEB_LINK_M1; + u32 savePIPEB_LINK_N1; + u32 saveMCHBAR_RENDER_STANDBY; + u32 savePCH_PORT_HOTPLUG; + + struct { + /** Bridge to intel-gtt-ko */ + const struct intel_gtt *gtt; + /** Memory allocator for GTT stolen memory */ +// struct drm_mm stolen; + /** Memory allocator for GTT */ +// struct drm_mm gtt_space; + /** List of all objects in gtt_space. Used to restore gtt + * mappings on resume */ + struct list_head gtt_list; + + /** Usable portion of the GTT for GEM */ + unsigned long gtt_start; + unsigned long gtt_mappable_end; + unsigned long gtt_end; + +// struct io_mapping *gtt_mapping; + int gtt_mtrr; + +// struct shrinker inactive_shrinker; + + /** + * List of objects currently involved in rendering. + * + * Includes buffers having the contents of their GPU caches + * flushed, not necessarily primitives. last_rendering_seqno + * represents when the rendering involved will be completed. + * + * A reference is held on the buffer while on this list. + */ + struct list_head active_list; + + /** + * List of objects which are not in the ringbuffer but which + * still have a write_domain which needs to be flushed before + * unbinding. + * + * last_rendering_seqno is 0 while an object is in this list. + * + * A reference is held on the buffer while on this list. + */ + struct list_head flushing_list; + + /** + * LRU list of objects which are not in the ringbuffer and + * are ready to unbind, but are still in the GTT. + * + * last_rendering_seqno is 0 while an object is in this list. + * + * A reference is not held on the buffer while on this list, + * as merely being GTT-bound shouldn't prevent its being + * freed, and we'll pull it off the list in the free path. + */ + struct list_head inactive_list; + + /** + * LRU list of objects which are not in the ringbuffer but + * are still pinned in the GTT. + */ + struct list_head pinned_list; + + /** LRU list of objects with fence regs on them. */ + struct list_head fence_list; + + /** + * List of objects currently pending being freed. + * + * These objects are no longer in use, but due to a signal + * we were prevented from freeing them at the appointed time. + */ + struct list_head deferred_free_list; + + /** + * We leave the user IRQ off as much as possible, + * but this means that requests will finish and never + * be retired once the system goes idle. Set a timer to + * fire periodically while the ring is running. When it + * fires, go retire requests. + */ +// struct delayed_work retire_work; + + /** + * Are we in a non-interruptible section of code like + * modesetting? + */ + bool interruptible; + + /** + * Flag if the X Server, and thus DRM, is not currently in + * control of the device. + * + * This is set between LeaveVT and EnterVT. It needs to be + * replaced with a semaphore. It also needs to be + * transitioned away from for kernel modesetting. + */ + int suspended; + + /** + * Flag if the hardware appears to be wedged. + * + * This is set when attempts to idle the device timeout. + * It prevents command submission from occurring and makes + * every pending request fail + */ + atomic_t wedged; + + /** Bit 6 swizzling required for X tiling */ + uint32_t bit_6_swizzle_x; + /** Bit 6 swizzling required for Y tiling */ + uint32_t bit_6_swizzle_y; + + /* storage for physical objects */ +// struct drm_i915_gem_phys_object *phys_objs[I915_MAX_PHYS_OBJECT]; + + /* accounting, useful for userland debugging */ + size_t gtt_total; + size_t mappable_gtt_total; + size_t object_memory; + u32 object_count; + } mm; +// struct sdvo_device_mapping sdvo_mappings[2]; + /* indicate whether the LVDS_BORDER should be enabled or not */ + unsigned int lvds_border_bits; + /* Panel fitter placement and size for Ironlake+ */ + u32 pch_pf_pos, pch_pf_size; + int panel_t3, panel_t12; + +// struct drm_crtc *plane_to_crtc_mapping[2]; +// struct drm_crtc *pipe_to_crtc_mapping[2]; +// wait_queue_head_t pending_flip_queue; + bool flip_pending_is_done; + + /* Reclocking support */ + bool render_reclock_avail; + bool lvds_downclock_avail; + /* indicates the reduced downclock for LVDS*/ + int lvds_downclock; +// struct work_struct idle_work; +// struct timer_list idle_timer; + bool busy; + u16 orig_clock; + int child_dev_num; +// struct child_device_config *child_dev; +// struct drm_connector *int_lvds_connector; +// struct drm_connector *int_edp_connector; + + bool mchbar_need_disable; + +// struct work_struct rps_work; + spinlock_t rps_lock; + u32 pm_iir; + + u8 cur_delay; + u8 min_delay; + u8 max_delay; + u8 fmax; + u8 fstart; + + u64 last_count1; + unsigned long last_time1; + u64 last_count2; +// struct timespec last_time2; + unsigned long gfx_power; + int c_m; + int r_t; + u8 corr; + spinlock_t *mchdev_lock; + +// enum no_fbc_reason no_fbc_reason; + +// struct drm_mm_node *compressed_fb; +// struct drm_mm_node *compressed_llb; + + unsigned long last_gpu_reset; + + /* list of fbdev register on this device */ +// struct intel_fbdev *fbdev; + +// struct backlight_device *backlight; + +// struct drm_property *broadcast_rgb_property; +// struct drm_property *force_audio_property; + + atomic_t forcewake_count; +} drm_i915_private_t; + +enum i915_cache_level { + I915_CACHE_NONE, + I915_CACHE_LLC, + I915_CACHE_LLC_MLC, /* gen6+ */ +}; + + +#define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base) + +/** + * Request queue structure. + * + * The request queue allows us to note sequence numbers that have been emitted + * and may be associated with active buffers to be retired. + * + * By keeping this list, we can avoid having to do questionable + * sequence-number comparisons on buffer last_rendering_seqnos, and associate + * an emission time with seqnos for tracking how far ahead of the GPU we are. + */ +struct drm_i915_gem_request { + /** On Which ring this request was generated */ + struct intel_ring_buffer *ring; + + /** GEM sequence number associated with this request. */ + uint32_t seqno; + + /** Time at which this request was emitted, in jiffies. */ + unsigned long emitted_jiffies; + + /** global list entry for this request */ + struct list_head list; + + struct drm_i915_file_private *file_priv; + /** file_priv list entry for this request */ + struct list_head client_list; +}; + +struct drm_i915_file_private { + struct { +// struct spinlock lock; + struct list_head request_list; + } mm; +}; + +#define INTEL_INFO(dev) (((struct drm_i915_private *) (dev)->dev_private)->info) + +#define IS_I830(dev) ((dev)->pci_device == 0x3577) +#define IS_845G(dev) ((dev)->pci_device == 0x2562) +#define IS_I85X(dev) (INTEL_INFO(dev)->is_i85x) +#define IS_I865G(dev) ((dev)->pci_device == 0x2572) +#define IS_I915G(dev) (INTEL_INFO(dev)->is_i915g) +#define IS_I915GM(dev) ((dev)->pci_device == 0x2592) +#define IS_I945G(dev) ((dev)->pci_device == 0x2772) +#define IS_I945GM(dev) (INTEL_INFO(dev)->is_i945gm) +#define IS_BROADWATER(dev) (INTEL_INFO(dev)->is_broadwater) +#define IS_CRESTLINE(dev) (INTEL_INFO(dev)->is_crestline) +#define IS_GM45(dev) ((dev)->pci_device == 0x2A42) +#define IS_G4X(dev) (INTEL_INFO(dev)->is_g4x) +#define IS_PINEVIEW_G(dev) ((dev)->pci_device == 0xa001) +#define IS_PINEVIEW_M(dev) ((dev)->pci_device == 0xa011) +#define IS_PINEVIEW(dev) (INTEL_INFO(dev)->is_pineview) +#define IS_G33(dev) (INTEL_INFO(dev)->is_g33) +#define IS_IRONLAKE_D(dev) ((dev)->pci_device == 0x0042) +#define IS_IRONLAKE_M(dev) ((dev)->pci_device == 0x0046) +#define IS_IVYBRIDGE(dev) (INTEL_INFO(dev)->is_ivybridge) +#define IS_MOBILE(dev) (INTEL_INFO(dev)->is_mobile) + +/* + * The genX designation typically refers to the render engine, so render + * capability related checks should use IS_GEN, while display and other checks + * have their own (e.g. HAS_PCH_SPLIT for ILK+ display, IS_foo for particular + * chips, etc.). + */ +#define IS_GEN2(dev) (INTEL_INFO(dev)->gen == 2) +#define IS_GEN3(dev) (INTEL_INFO(dev)->gen == 3) +#define IS_GEN4(dev) (INTEL_INFO(dev)->gen == 4) +#define IS_GEN5(dev) (INTEL_INFO(dev)->gen == 5) +#define IS_GEN6(dev) (INTEL_INFO(dev)->gen == 6) +#define IS_GEN7(dev) (INTEL_INFO(dev)->gen == 7) + +#define HAS_BSD(dev) (INTEL_INFO(dev)->has_bsd_ring) +#define HAS_BLT(dev) (INTEL_INFO(dev)->has_blt_ring) +#define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws) + +#define HAS_OVERLAY(dev) (INTEL_INFO(dev)->has_overlay) +#define OVERLAY_NEEDS_PHYSICAL(dev) (INTEL_INFO(dev)->overlay_needs_physical) + +/* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte + * rows, which changed the alignment requirements and fence programming. + */ +#define HAS_128_BYTE_Y_TILING(dev) (!IS_GEN2(dev) && !(IS_I915G(dev) || \ + IS_I915GM(dev))) +#define SUPPORTS_DIGITAL_OUTPUTS(dev) (!IS_GEN2(dev) && !IS_PINEVIEW(dev)) +#define SUPPORTS_INTEGRATED_HDMI(dev) (IS_G4X(dev) || IS_GEN5(dev)) +#define SUPPORTS_INTEGRATED_DP(dev) (IS_G4X(dev) || IS_GEN5(dev)) +#define SUPPORTS_EDP(dev) (IS_IRONLAKE_M(dev)) +#define SUPPORTS_TV(dev) (INTEL_INFO(dev)->supports_tv) +#define I915_HAS_HOTPLUG(dev) (INTEL_INFO(dev)->has_hotplug) +/* dsparb controlled by hw only */ +#define DSPARB_HWCONTROL(dev) (IS_G4X(dev) || IS_IRONLAKE(dev)) + +#define HAS_FW_BLC(dev) (INTEL_INFO(dev)->gen > 2) +#define HAS_PIPE_CXSR(dev) (INTEL_INFO(dev)->has_pipe_cxsr) +#define I915_HAS_FBC(dev) (INTEL_INFO(dev)->has_fbc) + +#define HAS_PCH_SPLIT(dev) (IS_GEN5(dev) || IS_GEN6(dev) || IS_IVYBRIDGE(dev)) +#define HAS_PIPE_CONTROL(dev) (INTEL_INFO(dev)->gen >= 5) + +#define INTEL_PCH_TYPE(dev) (((struct drm_i915_private *)(dev)->dev_private)->pch_type) +#define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT) +#define HAS_PCH_IBX(dev) (INTEL_PCH_TYPE(dev) == PCH_IBX) + +//#include "i915_trace.h" + +extern int i915_max_ioctl; +extern unsigned int i915_fbpercrtc; +extern int i915_panel_ignore_lid; +extern unsigned int i915_powersave; +extern unsigned int i915_semaphores; +extern unsigned int i915_lvds_downclock; +extern unsigned int i915_panel_use_ssc; +extern int i915_vbt_sdvo_panel_type; +extern unsigned int i915_enable_rc6; +extern unsigned int i915_enable_fbc; +extern bool i915_enable_hangcheck; + +extern int i915_resume(struct drm_device *dev); +extern int i915_master_create(struct drm_device *dev, struct drm_master *master); +extern void i915_master_destroy(struct drm_device *dev, struct drm_master *master); + + /* i915_dma.c */ +extern void i915_kernel_lost_context(struct drm_device * dev); +extern int i915_driver_load(struct drm_device *, unsigned long flags); +extern int i915_driver_unload(struct drm_device *); +extern int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv); +extern void i915_driver_lastclose(struct drm_device * dev); +extern void i915_driver_preclose(struct drm_device *dev, + struct drm_file *file_priv); +extern void i915_driver_postclose(struct drm_device *dev, + struct drm_file *file_priv); +extern int i915_driver_device_is_agp(struct drm_device * dev); +extern long i915_compat_ioctl(struct file *filp, unsigned int cmd, + unsigned long arg); +extern int i915_emit_box(struct drm_device *dev, + struct drm_clip_rect *box, + int DR1, int DR4); +extern int i915_reset(struct drm_device *dev, u8 flags); +extern unsigned long i915_chipset_val(struct drm_i915_private *dev_priv); +extern unsigned long i915_mch_val(struct drm_i915_private *dev_priv); +extern unsigned long i915_gfx_val(struct drm_i915_private *dev_priv); +extern void i915_update_gfx_val(struct drm_i915_private *dev_priv); + + +/* i915_irq.c */ +void i915_hangcheck_elapsed(unsigned long data); +void i915_handle_error(struct drm_device *dev, bool wedged); +extern int i915_irq_emit(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int i915_irq_wait(struct drm_device *dev, void *data, + struct drm_file *file_priv); + +extern void intel_irq_init(struct drm_device *dev); + +extern int i915_vblank_pipe_set(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int i915_vblank_pipe_get(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int i915_vblank_swap(struct drm_device *dev, void *data, + struct drm_file *file_priv); + +void +i915_enable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask); + +void +i915_disable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask); + +void intel_enable_asle (struct drm_device *dev); + +#ifdef CONFIG_DEBUG_FS +extern void i915_destroy_error_state(struct drm_device *dev); +#else +#define i915_destroy_error_state(x) +#endif + + +/* i915_mem.c */ +extern int i915_mem_alloc(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int i915_mem_free(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int i915_mem_init_heap(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int i915_mem_destroy_heap(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern void i915_mem_takedown(struct mem_block **heap); +extern void i915_mem_release(struct drm_device * dev, + struct drm_file *file_priv, struct mem_block *heap); +/* i915_gem.c */ +int i915_gem_init_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_create_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_pread_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_pwrite_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_mmap_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_set_domain_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_execbuffer(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_execbuffer2(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_pin_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_unpin_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_busy_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_throttle_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_madvise_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_entervt_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_leavevt_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_set_tiling(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_get_tiling(struct drm_device *dev, void *data, + struct drm_file *file_priv); +int i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +void i915_gem_load(struct drm_device *dev); +int i915_gem_init_object(struct drm_gem_object *obj); +int __must_check i915_gem_flush_ring(struct intel_ring_buffer *ring, + uint32_t invalidate_domains, + uint32_t flush_domains); +struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev, + size_t size); +void i915_gem_free_object(struct drm_gem_object *obj); +int __must_check i915_gem_object_pin(struct drm_i915_gem_object *obj, + uint32_t alignment, + bool map_and_fenceable); +void i915_gem_object_unpin(struct drm_i915_gem_object *obj); +int __must_check i915_gem_object_unbind(struct drm_i915_gem_object *obj); +void i915_gem_release_mmap(struct drm_i915_gem_object *obj); +void i915_gem_lastclose(struct drm_device *dev); + +int __must_check i915_mutex_lock_interruptible(struct drm_device *dev); +int __must_check i915_gem_object_wait_rendering(struct drm_i915_gem_object *obj); +void i915_gem_object_move_to_active(struct drm_i915_gem_object *obj, + struct intel_ring_buffer *ring, + u32 seqno); + +int i915_gem_dumb_create(struct drm_file *file_priv, + struct drm_device *dev, + struct drm_mode_create_dumb *args); +int i915_gem_mmap_gtt(struct drm_file *file_priv, struct drm_device *dev, + uint32_t handle, uint64_t *offset); +int i915_gem_dumb_destroy(struct drm_file *file_priv, struct drm_device *dev, + uint32_t handle); +/** + * Returns true if seq1 is later than seq2. + */ +//static inline bool +//i915_seqno_passed(uint32_t seq1, uint32_t seq2) +//{ +// return (int32_t)(seq1 - seq2) >= 0; +//} + +//static inline u32 +//i915_gem_next_request_seqno(struct intel_ring_buffer *ring) +//{ +// drm_i915_private_t *dev_priv = ring->dev->dev_private; +// return ring->outstanding_lazy_request = dev_priv->next_seqno; +//} + +/* +void i915_gem_retire_requests(struct drm_device *dev); +void i915_gem_reset(struct drm_device *dev); +void i915_gem_clflush_object(struct drm_i915_gem_object *obj); +int __must_check i915_gem_object_set_domain(struct drm_i915_gem_object *obj, + uint32_t read_domains, + uint32_t write_domain); +int __must_check i915_gem_object_finish_gpu(struct drm_i915_gem_object *obj); +int __must_check i915_gem_init_ringbuffer(struct drm_device *dev); +void i915_gem_cleanup_ringbuffer(struct drm_device *dev); +void i915_gem_do_init(struct drm_device *dev, + unsigned long start, + unsigned long mappable_end, + unsigned long end); +int __must_check i915_gpu_idle(struct drm_device *dev); +int __must_check i915_gem_idle(struct drm_device *dev); +int __must_check i915_add_request(struct intel_ring_buffer *ring, + struct drm_file *file, + struct drm_i915_gem_request *request); +int __must_check i915_wait_request(struct intel_ring_buffer *ring, + uint32_t seqno); +int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf); +int __must_check +i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj, + bool write); +int __must_check +i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj, + u32 alignment, + struct intel_ring_buffer *pipelined); +int i915_gem_attach_phys_object(struct drm_device *dev, + struct drm_i915_gem_object *obj, + int id, + int align); +void i915_gem_detach_phys_object(struct drm_device *dev, + struct drm_i915_gem_object *obj); +void i915_gem_free_all_phys_object(struct drm_device *dev); +void i915_gem_release(struct drm_device *dev, struct drm_file *file); + +uint32_t +i915_gem_get_unfenced_gtt_alignment(struct drm_device *dev, + uint32_t size, + int tiling_mode); + +int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj, + enum i915_cache_level cache_level); +*/ + +/* i915_gem_gtt.c */ +void i915_gem_restore_gtt_mappings(struct drm_device *dev); +int __must_check i915_gem_gtt_bind_object(struct drm_i915_gem_object *obj); +void i915_gem_gtt_rebind_object(struct drm_i915_gem_object *obj, + enum i915_cache_level cache_level); +void i915_gem_gtt_unbind_object(struct drm_i915_gem_object *obj); + +/* i915_gem_evict.c */ +int __must_check i915_gem_evict_something(struct drm_device *dev, int min_size, + unsigned alignment, bool mappable); +int __must_check i915_gem_evict_everything(struct drm_device *dev, + bool purgeable_only); +int __must_check i915_gem_evict_inactive(struct drm_device *dev, + bool purgeable_only); + +/* i915_gem_tiling.c */ +void i915_gem_detect_bit_6_swizzle(struct drm_device *dev); +void i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj); +void i915_gem_object_save_bit_17_swizzle(struct drm_i915_gem_object *obj); + +/* i915_gem_debug.c */ +void i915_gem_dump_object(struct drm_i915_gem_object *obj, int len, + const char *where, uint32_t mark); +#if WATCH_LISTS +int i915_verify_lists(struct drm_device *dev); +#else +#define i915_verify_lists(dev) 0 +#endif +void i915_gem_object_check_coherency(struct drm_i915_gem_object *obj, + int handle); +void i915_gem_dump_object(struct drm_i915_gem_object *obj, int len, + const char *where, uint32_t mark); + +/* i915_debugfs.c */ +int i915_debugfs_init(struct drm_minor *minor); +void i915_debugfs_cleanup(struct drm_minor *minor); + +/* i915_suspend.c */ +extern int i915_save_state(struct drm_device *dev); +extern int i915_restore_state(struct drm_device *dev); + +/* i915_suspend.c */ +extern int i915_save_state(struct drm_device *dev); +extern int i915_restore_state(struct drm_device *dev); + +/* intel_i2c.c */ +extern int intel_setup_gmbus(struct drm_device *dev); +extern void intel_teardown_gmbus(struct drm_device *dev); +extern void intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed); +extern void intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit); + +//extern inline bool intel_gmbus_is_forced_bit(struct i2c_adapter *adapter) +//{ +// return container_of(adapter, struct intel_gmbus, adapter)->force_bit; +//} + +extern void intel_i2c_reset(struct drm_device *dev); + +/* intel_opregion.c */ +extern int intel_opregion_setup(struct drm_device *dev); +#ifdef CONFIG_ACPI +extern void intel_opregion_init(struct drm_device *dev); +extern void intel_opregion_fini(struct drm_device *dev); +extern void intel_opregion_asle_intr(struct drm_device *dev); +extern void intel_opregion_gse_intr(struct drm_device *dev); +extern void intel_opregion_enable_asle(struct drm_device *dev); +#else +static inline void intel_opregion_init(struct drm_device *dev) { return; } +static inline void intel_opregion_fini(struct drm_device *dev) { return; } +static inline void intel_opregion_asle_intr(struct drm_device *dev) { return; } +static inline void intel_opregion_gse_intr(struct drm_device *dev) { return; } +static inline void intel_opregion_enable_asle(struct drm_device *dev) { return; } +#endif + +/* intel_acpi.c */ +#ifdef CONFIG_ACPI +extern void intel_register_dsm_handler(void); +extern void intel_unregister_dsm_handler(void); +#else +static inline void intel_register_dsm_handler(void) { return; } +static inline void intel_unregister_dsm_handler(void) { return; } +#endif /* CONFIG_ACPI */ + +/* modesetting */ +extern void intel_modeset_init(struct drm_device *dev); +extern void intel_modeset_gem_init(struct drm_device *dev); +extern void intel_modeset_cleanup(struct drm_device *dev); +extern int intel_modeset_vga_set_state(struct drm_device *dev, bool state); +extern bool intel_fbc_enabled(struct drm_device *dev); +extern void intel_disable_fbc(struct drm_device *dev); +extern bool ironlake_set_drps(struct drm_device *dev, u8 val); +extern void ironlake_enable_rc6(struct drm_device *dev); +extern void gen6_set_rps(struct drm_device *dev, u8 val); +extern void intel_detect_pch (struct drm_device *dev); +extern int intel_trans_dp_port_sel (struct drm_crtc *crtc); + +/* overlay */ +#ifdef CONFIG_DEBUG_FS +extern struct intel_overlay_error_state *intel_overlay_capture_error_state(struct drm_device *dev); +extern void intel_overlay_print_error_state(struct seq_file *m, struct intel_overlay_error_state *error); + +extern struct intel_display_error_state *intel_display_capture_error_state(struct drm_device *dev); +extern void intel_display_print_error_state(struct seq_file *m, + struct drm_device *dev, + struct intel_display_error_state *error); +#endif + +#define LP_RING(d) (&((struct drm_i915_private *)(d))->ring[RCS]) + +#define BEGIN_LP_RING(n) \ + intel_ring_begin(LP_RING(dev_priv), (n)) + +#define OUT_RING(x) \ + intel_ring_emit(LP_RING(dev_priv), x) + +#define ADVANCE_LP_RING() \ + intel_ring_advance(LP_RING(dev_priv)) + +/** + * Lock test for when it's just for synchronization of ring access. + * + * In that case, we don't need to do it when GEM is initialized as nobody else + * has access to the ring. + */ +#define RING_LOCK_TEST_WITH_RETURN(dev, file) do { \ + if (LP_RING(dev->dev_private)->obj == NULL) \ + LOCK_TEST_WITH_RETURN(dev, file); \ +} while (0) + +/* On SNB platform, before reading ring registers forcewake bit + * must be set to prevent GT core from power down and stale values being + * returned. + */ +void gen6_gt_force_wake_get(struct drm_i915_private *dev_priv); +void gen6_gt_force_wake_put(struct drm_i915_private *dev_priv); +void __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv); + +/* We give fast paths for the really cool registers */ +#define NEEDS_FORCE_WAKE(dev_priv, reg) \ + (((dev_priv)->info->gen >= 6) && \ + ((reg) < 0x40000) && \ + ((reg) != FORCEWAKE)) + +#define __i915_read(x, y) \ +static inline u##x i915_read##x(struct drm_i915_private *dev_priv, u32 reg) { \ + u##x val = 0; \ + if (NEEDS_FORCE_WAKE((dev_priv), (reg))) { \ + gen6_gt_force_wake_get(dev_priv); \ + val = read##y(dev_priv->regs + reg); \ + gen6_gt_force_wake_put(dev_priv); \ + } else { \ + val = read##y(dev_priv->regs + reg); \ + } \ + trace_i915_reg_rw(false, reg, val, sizeof(val)); \ + return val; \ +} + +__i915_read(8, b) +__i915_read(16, w) +__i915_read(32, l) +__i915_read(64, q) +#undef __i915_read + +#define __i915_write(x, y) \ +static inline void i915_write##x(struct drm_i915_private *dev_priv, u32 reg, u##x val) { \ + trace_i915_reg_rw(true, reg, val, sizeof(val)); \ + if (NEEDS_FORCE_WAKE((dev_priv), (reg))) { \ + __gen6_gt_wait_for_fifo(dev_priv); \ + } \ + write##y(val, dev_priv->regs + reg); \ +} +__i915_write(8, b) +__i915_write(16, w) +__i915_write(32, l) +__i915_write(64, q) +#undef __i915_write + +#define I915_READ8(reg) i915_read8(dev_priv, (reg)) +#define I915_WRITE8(reg, val) i915_write8(dev_priv, (reg), (val)) + +#define I915_READ16(reg) i915_read16(dev_priv, (reg)) +#define I915_WRITE16(reg, val) i915_write16(dev_priv, (reg), (val)) +#define I915_READ16_NOTRACE(reg) readw(dev_priv->regs + (reg)) +#define I915_WRITE16_NOTRACE(reg, val) writew(val, dev_priv->regs + (reg)) + +#define I915_READ(reg) i915_read32(dev_priv, (reg)) +#define I915_WRITE(reg, val) i915_write32(dev_priv, (reg), (val)) +#define I915_READ_NOTRACE(reg) readl(dev_priv->regs + (reg)) +#define I915_WRITE_NOTRACE(reg, val) writel(val, dev_priv->regs + (reg)) + +#define I915_WRITE64(reg, val) i915_write64(dev_priv, (reg), (val)) +#define I915_READ64(reg) i915_read64(dev_priv, (reg)) + +#define POSTING_READ(reg) (void)I915_READ_NOTRACE(reg) +#define POSTING_READ16(reg) (void)I915_READ16_NOTRACE(reg) + + +#endif diff --git a/drivers/video/drm/i915/i915_reg.h b/drivers/video/drm/i915/i915_reg.h new file mode 100644 index 0000000000..14451fca71 --- /dev/null +++ b/drivers/video/drm/i915/i915_reg.h @@ -0,0 +1,3473 @@ +/* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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, sub license, 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS 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. + */ + +#ifndef _I915_REG_H_ +#define _I915_REG_H_ + +#define _PIPE(pipe, a, b) ((a) + (pipe)*((b)-(a))) + +/* + * The Bridge device's PCI config space has information about the + * fb aperture size and the amount of pre-reserved memory. + * This is all handled in the intel-gtt.ko module. i915.ko only + * cares about the vga bit for the vga rbiter. + */ +#define INTEL_GMCH_CTRL 0x52 +#define INTEL_GMCH_VGA_DISABLE (1 << 1) + +/* PCI config space */ + +#define HPLLCC 0xc0 /* 855 only */ +#define GC_CLOCK_CONTROL_MASK (0xf << 0) +#define GC_CLOCK_133_200 (0 << 0) +#define GC_CLOCK_100_200 (1 << 0) +#define GC_CLOCK_100_133 (2 << 0) +#define GC_CLOCK_166_250 (3 << 0) +#define GCFGC2 0xda +#define GCFGC 0xf0 /* 915+ only */ +#define GC_LOW_FREQUENCY_ENABLE (1 << 7) +#define GC_DISPLAY_CLOCK_190_200_MHZ (0 << 4) +#define GC_DISPLAY_CLOCK_333_MHZ (4 << 4) +#define GC_DISPLAY_CLOCK_MASK (7 << 4) +#define GM45_GC_RENDER_CLOCK_MASK (0xf << 0) +#define GM45_GC_RENDER_CLOCK_266_MHZ (8 << 0) +#define GM45_GC_RENDER_CLOCK_320_MHZ (9 << 0) +#define GM45_GC_RENDER_CLOCK_400_MHZ (0xb << 0) +#define GM45_GC_RENDER_CLOCK_533_MHZ (0xc << 0) +#define I965_GC_RENDER_CLOCK_MASK (0xf << 0) +#define I965_GC_RENDER_CLOCK_267_MHZ (2 << 0) +#define I965_GC_RENDER_CLOCK_333_MHZ (3 << 0) +#define I965_GC_RENDER_CLOCK_444_MHZ (4 << 0) +#define I965_GC_RENDER_CLOCK_533_MHZ (5 << 0) +#define I945_GC_RENDER_CLOCK_MASK (7 << 0) +#define I945_GC_RENDER_CLOCK_166_MHZ (0 << 0) +#define I945_GC_RENDER_CLOCK_200_MHZ (1 << 0) +#define I945_GC_RENDER_CLOCK_250_MHZ (3 << 0) +#define I945_GC_RENDER_CLOCK_400_MHZ (5 << 0) +#define I915_GC_RENDER_CLOCK_MASK (7 << 0) +#define I915_GC_RENDER_CLOCK_166_MHZ (0 << 0) +#define I915_GC_RENDER_CLOCK_200_MHZ (1 << 0) +#define I915_GC_RENDER_CLOCK_333_MHZ (4 << 0) +#define LBB 0xf4 + +/* Graphics reset regs */ +#define I965_GDRST 0xc0 /* PCI config register */ +#define ILK_GDSR 0x2ca4 /* MCHBAR offset */ +#define GRDOM_FULL (0<<2) +#define GRDOM_RENDER (1<<2) +#define GRDOM_MEDIA (3<<2) + +#define GEN6_MBCUNIT_SNPCR 0x900c /* for LLC config */ +#define GEN6_MBC_SNPCR_SHIFT 21 +#define GEN6_MBC_SNPCR_MASK (3<<21) +#define GEN6_MBC_SNPCR_MAX (0<<21) +#define GEN6_MBC_SNPCR_MED (1<<21) +#define GEN6_MBC_SNPCR_LOW (2<<21) +#define GEN6_MBC_SNPCR_MIN (3<<21) /* only 1/16th of the cache is shared */ + +#define GEN6_GDRST 0x941c +#define GEN6_GRDOM_FULL (1 << 0) +#define GEN6_GRDOM_RENDER (1 << 1) +#define GEN6_GRDOM_MEDIA (1 << 2) +#define GEN6_GRDOM_BLT (1 << 3) + +/* VGA stuff */ + +#define VGA_ST01_MDA 0x3ba +#define VGA_ST01_CGA 0x3da + +#define VGA_MSR_WRITE 0x3c2 +#define VGA_MSR_READ 0x3cc +#define VGA_MSR_MEM_EN (1<<1) +#define VGA_MSR_CGA_MODE (1<<0) + +#define VGA_SR_INDEX 0x3c4 +#define VGA_SR_DATA 0x3c5 + +#define VGA_AR_INDEX 0x3c0 +#define VGA_AR_VID_EN (1<<5) +#define VGA_AR_DATA_WRITE 0x3c0 +#define VGA_AR_DATA_READ 0x3c1 + +#define VGA_GR_INDEX 0x3ce +#define VGA_GR_DATA 0x3cf +/* GR05 */ +#define VGA_GR_MEM_READ_MODE_SHIFT 3 +#define VGA_GR_MEM_READ_MODE_PLANE 1 +/* GR06 */ +#define VGA_GR_MEM_MODE_MASK 0xc +#define VGA_GR_MEM_MODE_SHIFT 2 +#define VGA_GR_MEM_A0000_AFFFF 0 +#define VGA_GR_MEM_A0000_BFFFF 1 +#define VGA_GR_MEM_B0000_B7FFF 2 +#define VGA_GR_MEM_B0000_BFFFF 3 + +#define VGA_DACMASK 0x3c6 +#define VGA_DACRX 0x3c7 +#define VGA_DACWX 0x3c8 +#define VGA_DACDATA 0x3c9 + +#define VGA_CR_INDEX_MDA 0x3b4 +#define VGA_CR_DATA_MDA 0x3b5 +#define VGA_CR_INDEX_CGA 0x3d4 +#define VGA_CR_DATA_CGA 0x3d5 + +/* + * Memory interface instructions used by the kernel + */ +#define MI_INSTR(opcode, flags) (((opcode) << 23) | (flags)) + +#define MI_NOOP MI_INSTR(0, 0) +#define MI_USER_INTERRUPT MI_INSTR(0x02, 0) +#define MI_WAIT_FOR_EVENT MI_INSTR(0x03, 0) +#define MI_WAIT_FOR_OVERLAY_FLIP (1<<16) +#define MI_WAIT_FOR_PLANE_B_FLIP (1<<6) +#define MI_WAIT_FOR_PLANE_A_FLIP (1<<2) +#define MI_WAIT_FOR_PLANE_A_SCANLINES (1<<1) +#define MI_FLUSH MI_INSTR(0x04, 0) +#define MI_READ_FLUSH (1 << 0) +#define MI_EXE_FLUSH (1 << 1) +#define MI_NO_WRITE_FLUSH (1 << 2) +#define MI_SCENE_COUNT (1 << 3) /* just increment scene count */ +#define MI_END_SCENE (1 << 4) /* flush binner and incr scene count */ +#define MI_INVALIDATE_ISP (1 << 5) /* invalidate indirect state pointers */ +#define MI_BATCH_BUFFER_END MI_INSTR(0x0a, 0) +#define MI_SUSPEND_FLUSH MI_INSTR(0x0b, 0) +#define MI_SUSPEND_FLUSH_EN (1<<0) +#define MI_REPORT_HEAD MI_INSTR(0x07, 0) +#define MI_OVERLAY_FLIP MI_INSTR(0x11,0) +#define MI_OVERLAY_CONTINUE (0x0<<21) +#define MI_OVERLAY_ON (0x1<<21) +#define MI_OVERLAY_OFF (0x2<<21) +#define MI_LOAD_SCAN_LINES_INCL MI_INSTR(0x12, 0) +#define MI_DISPLAY_FLIP MI_INSTR(0x14, 2) +#define MI_DISPLAY_FLIP_I915 MI_INSTR(0x14, 1) +#define MI_DISPLAY_FLIP_PLANE(n) ((n) << 20) +#define MI_SET_CONTEXT MI_INSTR(0x18, 0) +#define MI_MM_SPACE_GTT (1<<8) +#define MI_MM_SPACE_PHYSICAL (0<<8) +#define MI_SAVE_EXT_STATE_EN (1<<3) +#define MI_RESTORE_EXT_STATE_EN (1<<2) +#define MI_FORCE_RESTORE (1<<1) +#define MI_RESTORE_INHIBIT (1<<0) +#define MI_STORE_DWORD_IMM MI_INSTR(0x20, 1) +#define MI_MEM_VIRTUAL (1 << 22) /* 965+ only */ +#define MI_STORE_DWORD_INDEX MI_INSTR(0x21, 1) +#define MI_STORE_DWORD_INDEX_SHIFT 2 +/* Official intel docs are somewhat sloppy concerning MI_LOAD_REGISTER_IMM: + * - Always issue a MI_NOOP _before_ the MI_LOAD_REGISTER_IMM - otherwise hw + * simply ignores the register load under certain conditions. + * - One can actually load arbitrary many arbitrary registers: Simply issue x + * address/value pairs. Don't overdue it, though, x <= 2^4 must hold! + */ +#define MI_LOAD_REGISTER_IMM(x) MI_INSTR(0x22, 2*x-1) +#define MI_FLUSH_DW MI_INSTR(0x26, 1) /* for GEN6 */ +#define MI_INVALIDATE_TLB (1<<18) +#define MI_INVALIDATE_BSD (1<<7) +#define MI_BATCH_BUFFER MI_INSTR(0x30, 1) +#define MI_BATCH_NON_SECURE (1) +#define MI_BATCH_NON_SECURE_I965 (1<<8) +#define MI_BATCH_BUFFER_START MI_INSTR(0x31, 0) +#define MI_SEMAPHORE_MBOX MI_INSTR(0x16, 1) /* gen6+ */ +#define MI_SEMAPHORE_GLOBAL_GTT (1<<22) +#define MI_SEMAPHORE_UPDATE (1<<21) +#define MI_SEMAPHORE_COMPARE (1<<20) +#define MI_SEMAPHORE_REGISTER (1<<18) +/* + * 3D instructions used by the kernel + */ +#define GFX_INSTR(opcode, flags) ((0x3 << 29) | ((opcode) << 24) | (flags)) + +#define GFX_OP_RASTER_RULES ((0x3<<29)|(0x7<<24)) +#define GFX_OP_SCISSOR ((0x3<<29)|(0x1c<<24)|(0x10<<19)) +#define SC_UPDATE_SCISSOR (0x1<<1) +#define SC_ENABLE_MASK (0x1<<0) +#define SC_ENABLE (0x1<<0) +#define GFX_OP_LOAD_INDIRECT ((0x3<<29)|(0x1d<<24)|(0x7<<16)) +#define GFX_OP_SCISSOR_INFO ((0x3<<29)|(0x1d<<24)|(0x81<<16)|(0x1)) +#define SCI_YMIN_MASK (0xffff<<16) +#define SCI_XMIN_MASK (0xffff<<0) +#define SCI_YMAX_MASK (0xffff<<16) +#define SCI_XMAX_MASK (0xffff<<0) +#define GFX_OP_SCISSOR_ENABLE ((0x3<<29)|(0x1c<<24)|(0x10<<19)) +#define GFX_OP_SCISSOR_RECT ((0x3<<29)|(0x1d<<24)|(0x81<<16)|1) +#define GFX_OP_COLOR_FACTOR ((0x3<<29)|(0x1d<<24)|(0x1<<16)|0x0) +#define GFX_OP_STIPPLE ((0x3<<29)|(0x1d<<24)|(0x83<<16)) +#define GFX_OP_MAP_INFO ((0x3<<29)|(0x1d<<24)|0x4) +#define GFX_OP_DESTBUFFER_VARS ((0x3<<29)|(0x1d<<24)|(0x85<<16)|0x0) +#define GFX_OP_DESTBUFFER_INFO ((0x3<<29)|(0x1d<<24)|(0x8e<<16)|1) +#define GFX_OP_DRAWRECT_INFO ((0x3<<29)|(0x1d<<24)|(0x80<<16)|(0x3)) +#define GFX_OP_DRAWRECT_INFO_I965 ((0x7900<<16)|0x2) +#define SRC_COPY_BLT_CMD ((2<<29)|(0x43<<22)|4) +#define XY_SRC_COPY_BLT_CMD ((2<<29)|(0x53<<22)|6) +#define XY_MONO_SRC_COPY_IMM_BLT ((2<<29)|(0x71<<22)|5) +#define XY_SRC_COPY_BLT_WRITE_ALPHA (1<<21) +#define XY_SRC_COPY_BLT_WRITE_RGB (1<<20) +#define BLT_DEPTH_8 (0<<24) +#define BLT_DEPTH_16_565 (1<<24) +#define BLT_DEPTH_16_1555 (2<<24) +#define BLT_DEPTH_32 (3<<24) +#define BLT_ROP_GXCOPY (0xcc<<16) +#define XY_SRC_COPY_BLT_SRC_TILED (1<<15) /* 965+ only */ +#define XY_SRC_COPY_BLT_DST_TILED (1<<11) /* 965+ only */ +#define CMD_OP_DISPLAYBUFFER_INFO ((0x0<<29)|(0x14<<23)|2) +#define ASYNC_FLIP (1<<22) +#define DISPLAY_PLANE_A (0<<20) +#define DISPLAY_PLANE_B (1<<20) +#define GFX_OP_PIPE_CONTROL ((0x3<<29)|(0x3<<27)|(0x2<<24)|2) +#define PIPE_CONTROL_QW_WRITE (1<<14) +#define PIPE_CONTROL_DEPTH_STALL (1<<13) +#define PIPE_CONTROL_WC_FLUSH (1<<12) +#define PIPE_CONTROL_IS_FLUSH (1<<11) /* MBZ on Ironlake */ +#define PIPE_CONTROL_TC_FLUSH (1<<10) /* GM45+ only */ +#define PIPE_CONTROL_ISP_DIS (1<<9) +#define PIPE_CONTROL_NOTIFY (1<<8) +#define PIPE_CONTROL_GLOBAL_GTT (1<<2) /* in addr dword */ +#define PIPE_CONTROL_STALL_EN (1<<1) /* in addr word, Ironlake+ only */ + + +/* + * Reset registers + */ +#define DEBUG_RESET_I830 0x6070 +#define DEBUG_RESET_FULL (1<<7) +#define DEBUG_RESET_RENDER (1<<8) +#define DEBUG_RESET_DISPLAY (1<<9) + + +/* + * Fence registers + */ +#define FENCE_REG_830_0 0x2000 +#define FENCE_REG_945_8 0x3000 +#define I830_FENCE_START_MASK 0x07f80000 +#define I830_FENCE_TILING_Y_SHIFT 12 +#define I830_FENCE_SIZE_BITS(size) ((ffs((size) >> 19) - 1) << 8) +#define I830_FENCE_PITCH_SHIFT 4 +#define I830_FENCE_REG_VALID (1<<0) +#define I915_FENCE_MAX_PITCH_VAL 4 +#define I830_FENCE_MAX_PITCH_VAL 6 +#define I830_FENCE_MAX_SIZE_VAL (1<<8) + +#define I915_FENCE_START_MASK 0x0ff00000 +#define I915_FENCE_SIZE_BITS(size) ((ffs((size) >> 20) - 1) << 8) + +#define FENCE_REG_965_0 0x03000 +#define I965_FENCE_PITCH_SHIFT 2 +#define I965_FENCE_TILING_Y_SHIFT 1 +#define I965_FENCE_REG_VALID (1<<0) +#define I965_FENCE_MAX_PITCH_VAL 0x0400 + +#define FENCE_REG_SANDYBRIDGE_0 0x100000 +#define SANDYBRIDGE_FENCE_PITCH_SHIFT 32 + +/* + * Instruction and interrupt control regs + */ +#define PGTBL_ER 0x02024 +#define RENDER_RING_BASE 0x02000 +#define BSD_RING_BASE 0x04000 +#define GEN6_BSD_RING_BASE 0x12000 +#define BLT_RING_BASE 0x22000 +#define RING_TAIL(base) ((base)+0x30) +#define RING_HEAD(base) ((base)+0x34) +#define RING_START(base) ((base)+0x38) +#define RING_CTL(base) ((base)+0x3c) +#define RING_SYNC_0(base) ((base)+0x40) +#define RING_SYNC_1(base) ((base)+0x44) +#define RING_MAX_IDLE(base) ((base)+0x54) +#define RING_HWS_PGA(base) ((base)+0x80) +#define RING_HWS_PGA_GEN6(base) ((base)+0x2080) +#define RENDER_HWS_PGA_GEN7 (0x04080) +#define BSD_HWS_PGA_GEN7 (0x04180) +#define BLT_HWS_PGA_GEN7 (0x04280) +#define RING_ACTHD(base) ((base)+0x74) +#define RING_NOPID(base) ((base)+0x94) +#define RING_IMR(base) ((base)+0xa8) +#define TAIL_ADDR 0x001FFFF8 +#define HEAD_WRAP_COUNT 0xFFE00000 +#define HEAD_WRAP_ONE 0x00200000 +#define HEAD_ADDR 0x001FFFFC +#define RING_NR_PAGES 0x001FF000 +#define RING_REPORT_MASK 0x00000006 +#define RING_REPORT_64K 0x00000002 +#define RING_REPORT_128K 0x00000004 +#define RING_NO_REPORT 0x00000000 +#define RING_VALID_MASK 0x00000001 +#define RING_VALID 0x00000001 +#define RING_INVALID 0x00000000 +#define RING_WAIT_I8XX (1<<0) /* gen2, PRBx_HEAD */ +#define RING_WAIT (1<<11) /* gen3+, PRBx_CTL */ +#define RING_WAIT_SEMAPHORE (1<<10) /* gen6+ */ +#if 0 +#define PRB0_TAIL 0x02030 +#define PRB0_HEAD 0x02034 +#define PRB0_START 0x02038 +#define PRB0_CTL 0x0203c +#define PRB1_TAIL 0x02040 /* 915+ only */ +#define PRB1_HEAD 0x02044 /* 915+ only */ +#define PRB1_START 0x02048 /* 915+ only */ +#define PRB1_CTL 0x0204c /* 915+ only */ +#endif +#define IPEIR_I965 0x02064 +#define IPEHR_I965 0x02068 +#define INSTDONE_I965 0x0206c +#define INSTPS 0x02070 /* 965+ only */ +#define INSTDONE1 0x0207c /* 965+ only */ +#define ACTHD_I965 0x02074 +#define HWS_PGA 0x02080 +#define HWS_ADDRESS_MASK 0xfffff000 +#define HWS_START_ADDRESS_SHIFT 4 +#define PWRCTXA 0x2088 /* 965GM+ only */ +#define PWRCTX_EN (1<<0) +#define IPEIR 0x02088 +#define IPEHR 0x0208c +#define INSTDONE 0x02090 +#define NOPID 0x02094 +#define HWSTAM 0x02098 +#define VCS_INSTDONE 0x1206C +#define VCS_IPEIR 0x12064 +#define VCS_IPEHR 0x12068 +#define VCS_ACTHD 0x12074 +#define BCS_INSTDONE 0x2206C +#define BCS_IPEIR 0x22064 +#define BCS_IPEHR 0x22068 +#define BCS_ACTHD 0x22074 + +#define ERROR_GEN6 0x040a0 + +/* GM45+ chicken bits -- debug workaround bits that may be required + * for various sorts of correct behavior. The top 16 bits of each are + * the enables for writing to the corresponding low bit. + */ +#define _3D_CHICKEN 0x02084 +#define _3D_CHICKEN2 0x0208c +/* Disables pipelining of read flushes past the SF-WIZ interface. + * Required on all Ironlake steppings according to the B-Spec, but the + * particular danger of not doing so is not specified. + */ +# define _3D_CHICKEN2_WM_READ_PIPELINED (1 << 14) +#define _3D_CHICKEN3 0x02090 + +#define MI_MODE 0x0209c +# define VS_TIMER_DISPATCH (1 << 6) +# define MI_FLUSH_ENABLE (1 << 11) + +#define GFX_MODE 0x02520 +#define GFX_MODE_GEN7 0x0229c +#define GFX_RUN_LIST_ENABLE (1<<15) +#define GFX_TLB_INVALIDATE_ALWAYS (1<<13) +#define GFX_SURFACE_FAULT_ENABLE (1<<12) +#define GFX_REPLAY_MODE (1<<11) +#define GFX_PSMI_GRANULARITY (1<<10) +#define GFX_PPGTT_ENABLE (1<<9) + +#define GFX_MODE_ENABLE(bit) (((bit) << 16) | (bit)) +#define GFX_MODE_DISABLE(bit) (((bit) << 16) | (0)) + +#define SCPD0 0x0209c /* 915+ only */ +#define IER 0x020a0 +#define IIR 0x020a4 +#define IMR 0x020a8 +#define ISR 0x020ac +#define I915_PIPE_CONTROL_NOTIFY_INTERRUPT (1<<18) +#define I915_DISPLAY_PORT_INTERRUPT (1<<17) +#define I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT (1<<15) +#define I915_GMCH_THERMAL_SENSOR_EVENT_INTERRUPT (1<<14) /* p-state */ +#define I915_HWB_OOM_INTERRUPT (1<<13) +#define I915_SYNC_STATUS_INTERRUPT (1<<12) +#define I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT (1<<11) +#define I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT (1<<10) +#define I915_OVERLAY_PLANE_FLIP_PENDING_INTERRUPT (1<<9) +#define I915_DISPLAY_PLANE_C_FLIP_PENDING_INTERRUPT (1<<8) +#define I915_DISPLAY_PIPE_A_VBLANK_INTERRUPT (1<<7) +#define I915_DISPLAY_PIPE_A_EVENT_INTERRUPT (1<<6) +#define I915_DISPLAY_PIPE_B_VBLANK_INTERRUPT (1<<5) +#define I915_DISPLAY_PIPE_B_EVENT_INTERRUPT (1<<4) +#define I915_DEBUG_INTERRUPT (1<<2) +#define I915_USER_INTERRUPT (1<<1) +#define I915_ASLE_INTERRUPT (1<<0) +#define I915_BSD_USER_INTERRUPT (1<<25) +#define EIR 0x020b0 +#define EMR 0x020b4 +#define ESR 0x020b8 +#define GM45_ERROR_PAGE_TABLE (1<<5) +#define GM45_ERROR_MEM_PRIV (1<<4) +#define I915_ERROR_PAGE_TABLE (1<<4) +#define GM45_ERROR_CP_PRIV (1<<3) +#define I915_ERROR_MEMORY_REFRESH (1<<1) +#define I915_ERROR_INSTRUCTION (1<<0) +#define INSTPM 0x020c0 +#define INSTPM_SELF_EN (1<<12) /* 915GM only */ +#define INSTPM_AGPBUSY_DIS (1<<11) /* gen3: when disabled, pending interrupts + will not assert AGPBUSY# and will only + be delivered when out of C3. */ +#define ACTHD 0x020c8 +#define FW_BLC 0x020d8 +#define FW_BLC2 0x020dc +#define FW_BLC_SELF 0x020e0 /* 915+ only */ +#define FW_BLC_SELF_EN_MASK (1<<31) +#define FW_BLC_SELF_FIFO_MASK (1<<16) /* 945 only */ +#define FW_BLC_SELF_EN (1<<15) /* 945 only */ +#define MM_BURST_LENGTH 0x00700000 +#define MM_FIFO_WATERMARK 0x0001F000 +#define LM_BURST_LENGTH 0x00000700 +#define LM_FIFO_WATERMARK 0x0000001F +#define MI_ARB_STATE 0x020e4 /* 915+ only */ +#define MI_ARB_MASK_SHIFT 16 /* shift for enable bits */ + +/* Make render/texture TLB fetches lower priorty than associated data + * fetches. This is not turned on by default + */ +#define MI_ARB_RENDER_TLB_LOW_PRIORITY (1 << 15) + +/* Isoch request wait on GTT enable (Display A/B/C streams). + * Make isoch requests stall on the TLB update. May cause + * display underruns (test mode only) + */ +#define MI_ARB_ISOCH_WAIT_GTT (1 << 14) + +/* Block grant count for isoch requests when block count is + * set to a finite value. + */ +#define MI_ARB_BLOCK_GRANT_MASK (3 << 12) +#define MI_ARB_BLOCK_GRANT_8 (0 << 12) /* for 3 display planes */ +#define MI_ARB_BLOCK_GRANT_4 (1 << 12) /* for 2 display planes */ +#define MI_ARB_BLOCK_GRANT_2 (2 << 12) /* for 1 display plane */ +#define MI_ARB_BLOCK_GRANT_0 (3 << 12) /* don't use */ + +/* Enable render writes to complete in C2/C3/C4 power states. + * If this isn't enabled, render writes are prevented in low + * power states. That seems bad to me. + */ +#define MI_ARB_C3_LP_WRITE_ENABLE (1 << 11) + +/* This acknowledges an async flip immediately instead + * of waiting for 2TLB fetches. + */ +#define MI_ARB_ASYNC_FLIP_ACK_IMMEDIATE (1 << 10) + +/* Enables non-sequential data reads through arbiter + */ +#define MI_ARB_DUAL_DATA_PHASE_DISABLE (1 << 9) + +/* Disable FSB snooping of cacheable write cycles from binner/render + * command stream + */ +#define MI_ARB_CACHE_SNOOP_DISABLE (1 << 8) + +/* Arbiter time slice for non-isoch streams */ +#define MI_ARB_TIME_SLICE_MASK (7 << 5) +#define MI_ARB_TIME_SLICE_1 (0 << 5) +#define MI_ARB_TIME_SLICE_2 (1 << 5) +#define MI_ARB_TIME_SLICE_4 (2 << 5) +#define MI_ARB_TIME_SLICE_6 (3 << 5) +#define MI_ARB_TIME_SLICE_8 (4 << 5) +#define MI_ARB_TIME_SLICE_10 (5 << 5) +#define MI_ARB_TIME_SLICE_14 (6 << 5) +#define MI_ARB_TIME_SLICE_16 (7 << 5) + +/* Low priority grace period page size */ +#define MI_ARB_LOW_PRIORITY_GRACE_4KB (0 << 4) /* default */ +#define MI_ARB_LOW_PRIORITY_GRACE_8KB (1 << 4) + +/* Disable display A/B trickle feed */ +#define MI_ARB_DISPLAY_TRICKLE_FEED_DISABLE (1 << 2) + +/* Set display plane priority */ +#define MI_ARB_DISPLAY_PRIORITY_A_B (0 << 0) /* display A > display B */ +#define MI_ARB_DISPLAY_PRIORITY_B_A (1 << 0) /* display B > display A */ + +#define CACHE_MODE_0 0x02120 /* 915+ only */ +#define CM0_MASK_SHIFT 16 +#define CM0_IZ_OPT_DISABLE (1<<6) +#define CM0_ZR_OPT_DISABLE (1<<5) +#define CM0_DEPTH_EVICT_DISABLE (1<<4) +#define CM0_COLOR_EVICT_DISABLE (1<<3) +#define CM0_DEPTH_WRITE_DISABLE (1<<1) +#define CM0_RC_OP_FLUSH_DISABLE (1<<0) +#define BB_ADDR 0x02140 /* 8 bytes */ +#define GFX_FLSH_CNTL 0x02170 /* 915+ only */ +#define ECOSKPD 0x021d0 +#define ECO_GATING_CX_ONLY (1<<3) +#define ECO_FLIP_DONE (1<<0) + +/* GEN6 interrupt control */ +#define GEN6_RENDER_HWSTAM 0x2098 +#define GEN6_RENDER_IMR 0x20a8 +#define GEN6_RENDER_CONTEXT_SWITCH_INTERRUPT (1 << 8) +#define GEN6_RENDER_PPGTT_PAGE_FAULT (1 << 7) +#define GEN6_RENDER_TIMEOUT_COUNTER_EXPIRED (1 << 6) +#define GEN6_RENDER_L3_PARITY_ERROR (1 << 5) +#define GEN6_RENDER_PIPE_CONTROL_NOTIFY_INTERRUPT (1 << 4) +#define GEN6_RENDER_COMMAND_PARSER_MASTER_ERROR (1 << 3) +#define GEN6_RENDER_SYNC_STATUS (1 << 2) +#define GEN6_RENDER_DEBUG_INTERRUPT (1 << 1) +#define GEN6_RENDER_USER_INTERRUPT (1 << 0) + +#define GEN6_BLITTER_HWSTAM 0x22098 +#define GEN6_BLITTER_IMR 0x220a8 +#define GEN6_BLITTER_MI_FLUSH_DW_NOTIFY_INTERRUPT (1 << 26) +#define GEN6_BLITTER_COMMAND_PARSER_MASTER_ERROR (1 << 25) +#define GEN6_BLITTER_SYNC_STATUS (1 << 24) +#define GEN6_BLITTER_USER_INTERRUPT (1 << 22) + +#define GEN6_BLITTER_ECOSKPD 0x221d0 +#define GEN6_BLITTER_LOCK_SHIFT 16 +#define GEN6_BLITTER_FBC_NOTIFY (1<<3) + +#define GEN6_BSD_SLEEP_PSMI_CONTROL 0x12050 +#define GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_MODIFY_MASK (1 << 16) +#define GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_DISABLE (1 << 0) +#define GEN6_BSD_SLEEP_PSMI_CONTROL_RC_ILDL_MESSAGE_ENABLE 0 +#define GEN6_BSD_SLEEP_PSMI_CONTROL_IDLE_INDICATOR (1 << 3) + +#define GEN6_BSD_HWSTAM 0x12098 +#define GEN6_BSD_IMR 0x120a8 +#define GEN6_BSD_USER_INTERRUPT (1 << 12) + +#define GEN6_BSD_RNCID 0x12198 + +/* + * Framebuffer compression (915+ only) + */ + +#define FBC_CFB_BASE 0x03200 /* 4k page aligned */ +#define FBC_LL_BASE 0x03204 /* 4k page aligned */ +#define FBC_CONTROL 0x03208 +#define FBC_CTL_EN (1<<31) +#define FBC_CTL_PERIODIC (1<<30) +#define FBC_CTL_INTERVAL_SHIFT (16) +#define FBC_CTL_UNCOMPRESSIBLE (1<<14) +#define FBC_CTL_C3_IDLE (1<<13) +#define FBC_CTL_STRIDE_SHIFT (5) +#define FBC_CTL_FENCENO (1<<0) +#define FBC_COMMAND 0x0320c +#define FBC_CMD_COMPRESS (1<<0) +#define FBC_STATUS 0x03210 +#define FBC_STAT_COMPRESSING (1<<31) +#define FBC_STAT_COMPRESSED (1<<30) +#define FBC_STAT_MODIFIED (1<<29) +#define FBC_STAT_CURRENT_LINE (1<<0) +#define FBC_CONTROL2 0x03214 +#define FBC_CTL_FENCE_DBL (0<<4) +#define FBC_CTL_IDLE_IMM (0<<2) +#define FBC_CTL_IDLE_FULL (1<<2) +#define FBC_CTL_IDLE_LINE (2<<2) +#define FBC_CTL_IDLE_DEBUG (3<<2) +#define FBC_CTL_CPU_FENCE (1<<1) +#define FBC_CTL_PLANEA (0<<0) +#define FBC_CTL_PLANEB (1<<0) +#define FBC_FENCE_OFF 0x0321b +#define FBC_TAG 0x03300 + +#define FBC_LL_SIZE (1536) + +/* Framebuffer compression for GM45+ */ +#define DPFC_CB_BASE 0x3200 +#define DPFC_CONTROL 0x3208 +#define DPFC_CTL_EN (1<<31) +#define DPFC_CTL_PLANEA (0<<30) +#define DPFC_CTL_PLANEB (1<<30) +#define DPFC_CTL_FENCE_EN (1<<29) +#define DPFC_CTL_PERSISTENT_MODE (1<<25) +#define DPFC_SR_EN (1<<10) +#define DPFC_CTL_LIMIT_1X (0<<6) +#define DPFC_CTL_LIMIT_2X (1<<6) +#define DPFC_CTL_LIMIT_4X (2<<6) +#define DPFC_RECOMP_CTL 0x320c +#define DPFC_RECOMP_STALL_EN (1<<27) +#define DPFC_RECOMP_STALL_WM_SHIFT (16) +#define DPFC_RECOMP_STALL_WM_MASK (0x07ff0000) +#define DPFC_RECOMP_TIMER_COUNT_SHIFT (0) +#define DPFC_RECOMP_TIMER_COUNT_MASK (0x0000003f) +#define DPFC_STATUS 0x3210 +#define DPFC_INVAL_SEG_SHIFT (16) +#define DPFC_INVAL_SEG_MASK (0x07ff0000) +#define DPFC_COMP_SEG_SHIFT (0) +#define DPFC_COMP_SEG_MASK (0x000003ff) +#define DPFC_STATUS2 0x3214 +#define DPFC_FENCE_YOFF 0x3218 +#define DPFC_CHICKEN 0x3224 +#define DPFC_HT_MODIFY (1<<31) + +/* Framebuffer compression for Ironlake */ +#define ILK_DPFC_CB_BASE 0x43200 +#define ILK_DPFC_CONTROL 0x43208 +/* The bit 28-8 is reserved */ +#define DPFC_RESERVED (0x1FFFFF00) +#define ILK_DPFC_RECOMP_CTL 0x4320c +#define ILK_DPFC_STATUS 0x43210 +#define ILK_DPFC_FENCE_YOFF 0x43218 +#define ILK_DPFC_CHICKEN 0x43224 +#define ILK_FBC_RT_BASE 0x2128 +#define ILK_FBC_RT_VALID (1<<0) + +#define ILK_DISPLAY_CHICKEN1 0x42000 +#define ILK_FBCQ_DIS (1<<22) +#define ILK_PABSTRETCH_DIS (1<<21) + + +/* + * Framebuffer compression for Sandybridge + * + * The following two registers are of type GTTMMADR + */ +#define SNB_DPFC_CTL_SA 0x100100 +#define SNB_CPU_FENCE_ENABLE (1<<29) +#define DPFC_CPU_FENCE_OFFSET 0x100104 + + +/* + * GPIO regs + */ +#define GPIOA 0x5010 +#define GPIOB 0x5014 +#define GPIOC 0x5018 +#define GPIOD 0x501c +#define GPIOE 0x5020 +#define GPIOF 0x5024 +#define GPIOG 0x5028 +#define GPIOH 0x502c +# define GPIO_CLOCK_DIR_MASK (1 << 0) +# define GPIO_CLOCK_DIR_IN (0 << 1) +# define GPIO_CLOCK_DIR_OUT (1 << 1) +# define GPIO_CLOCK_VAL_MASK (1 << 2) +# define GPIO_CLOCK_VAL_OUT (1 << 3) +# define GPIO_CLOCK_VAL_IN (1 << 4) +# define GPIO_CLOCK_PULLUP_DISABLE (1 << 5) +# define GPIO_DATA_DIR_MASK (1 << 8) +# define GPIO_DATA_DIR_IN (0 << 9) +# define GPIO_DATA_DIR_OUT (1 << 9) +# define GPIO_DATA_VAL_MASK (1 << 10) +# define GPIO_DATA_VAL_OUT (1 << 11) +# define GPIO_DATA_VAL_IN (1 << 12) +# define GPIO_DATA_PULLUP_DISABLE (1 << 13) + +#define GMBUS0 0x5100 /* clock/port select */ +#define GMBUS_RATE_100KHZ (0<<8) +#define GMBUS_RATE_50KHZ (1<<8) +#define GMBUS_RATE_400KHZ (2<<8) /* reserved on Pineview */ +#define GMBUS_RATE_1MHZ (3<<8) /* reserved on Pineview */ +#define GMBUS_HOLD_EXT (1<<7) /* 300ns hold time, rsvd on Pineview */ +#define GMBUS_PORT_DISABLED 0 +#define GMBUS_PORT_SSC 1 +#define GMBUS_PORT_VGADDC 2 +#define GMBUS_PORT_PANEL 3 +#define GMBUS_PORT_DPC 4 /* HDMIC */ +#define GMBUS_PORT_DPB 5 /* SDVO, HDMIB */ + /* 6 reserved */ +#define GMBUS_PORT_DPD 7 /* HDMID */ +#define GMBUS_NUM_PORTS 8 +#define GMBUS1 0x5104 /* command/status */ +#define GMBUS_SW_CLR_INT (1<<31) +#define GMBUS_SW_RDY (1<<30) +#define GMBUS_ENT (1<<29) /* enable timeout */ +#define GMBUS_CYCLE_NONE (0<<25) +#define GMBUS_CYCLE_WAIT (1<<25) +#define GMBUS_CYCLE_INDEX (2<<25) +#define GMBUS_CYCLE_STOP (4<<25) +#define GMBUS_BYTE_COUNT_SHIFT 16 +#define GMBUS_SLAVE_INDEX_SHIFT 8 +#define GMBUS_SLAVE_ADDR_SHIFT 1 +#define GMBUS_SLAVE_READ (1<<0) +#define GMBUS_SLAVE_WRITE (0<<0) +#define GMBUS2 0x5108 /* status */ +#define GMBUS_INUSE (1<<15) +#define GMBUS_HW_WAIT_PHASE (1<<14) +#define GMBUS_STALL_TIMEOUT (1<<13) +#define GMBUS_INT (1<<12) +#define GMBUS_HW_RDY (1<<11) +#define GMBUS_SATOER (1<<10) +#define GMBUS_ACTIVE (1<<9) +#define GMBUS3 0x510c /* data buffer bytes 3-0 */ +#define GMBUS4 0x5110 /* interrupt mask (Pineview+) */ +#define GMBUS_SLAVE_TIMEOUT_EN (1<<4) +#define GMBUS_NAK_EN (1<<3) +#define GMBUS_IDLE_EN (1<<2) +#define GMBUS_HW_WAIT_EN (1<<1) +#define GMBUS_HW_RDY_EN (1<<0) +#define GMBUS5 0x5120 /* byte index */ +#define GMBUS_2BYTE_INDEX_EN (1<<31) + +/* + * Clock control & power management + */ + +#define VGA0 0x6000 +#define VGA1 0x6004 +#define VGA_PD 0x6010 +#define VGA0_PD_P2_DIV_4 (1 << 7) +#define VGA0_PD_P1_DIV_2 (1 << 5) +#define VGA0_PD_P1_SHIFT 0 +#define VGA0_PD_P1_MASK (0x1f << 0) +#define VGA1_PD_P2_DIV_4 (1 << 15) +#define VGA1_PD_P1_DIV_2 (1 << 13) +#define VGA1_PD_P1_SHIFT 8 +#define VGA1_PD_P1_MASK (0x1f << 8) +#define _DPLL_A 0x06014 +#define _DPLL_B 0x06018 +#define DPLL(pipe) _PIPE(pipe, _DPLL_A, _DPLL_B) +#define DPLL_VCO_ENABLE (1 << 31) +#define DPLL_DVO_HIGH_SPEED (1 << 30) +#define DPLL_SYNCLOCK_ENABLE (1 << 29) +#define DPLL_VGA_MODE_DIS (1 << 28) +#define DPLLB_MODE_DAC_SERIAL (1 << 26) /* i915 */ +#define DPLLB_MODE_LVDS (2 << 26) /* i915 */ +#define DPLL_MODE_MASK (3 << 26) +#define DPLL_DAC_SERIAL_P2_CLOCK_DIV_10 (0 << 24) /* i915 */ +#define DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 (1 << 24) /* i915 */ +#define DPLLB_LVDS_P2_CLOCK_DIV_14 (0 << 24) /* i915 */ +#define DPLLB_LVDS_P2_CLOCK_DIV_7 (1 << 24) /* i915 */ +#define DPLL_P2_CLOCK_DIV_MASK 0x03000000 /* i915 */ +#define DPLL_FPA01_P1_POST_DIV_MASK 0x00ff0000 /* i915 */ +#define DPLL_FPA01_P1_POST_DIV_MASK_PINEVIEW 0x00ff8000 /* Pineview */ + +#define SRX_INDEX 0x3c4 +#define SRX_DATA 0x3c5 +#define SR01 1 +#define SR01_SCREEN_OFF (1<<5) + +#define PPCR 0x61204 +#define PPCR_ON (1<<0) + +#define DVOB 0x61140 +#define DVOB_ON (1<<31) +#define DVOC 0x61160 +#define DVOC_ON (1<<31) +#define LVDS 0x61180 +#define LVDS_ON (1<<31) + +/* Scratch pad debug 0 reg: + */ +#define DPLL_FPA01_P1_POST_DIV_MASK_I830 0x001f0000 +/* + * The i830 generation, in LVDS mode, defines P1 as the bit number set within + * this field (only one bit may be set). + */ +#define DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS 0x003f0000 +#define DPLL_FPA01_P1_POST_DIV_SHIFT 16 +#define DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW 15 +/* i830, required in DVO non-gang */ +#define PLL_P2_DIVIDE_BY_4 (1 << 23) +#define PLL_P1_DIVIDE_BY_TWO (1 << 21) /* i830 */ +#define PLL_REF_INPUT_DREFCLK (0 << 13) +#define PLL_REF_INPUT_TVCLKINA (1 << 13) /* i830 */ +#define PLL_REF_INPUT_TVCLKINBC (2 << 13) /* SDVO TVCLKIN */ +#define PLLB_REF_INPUT_SPREADSPECTRUMIN (3 << 13) +#define PLL_REF_INPUT_MASK (3 << 13) +#define PLL_LOAD_PULSE_PHASE_SHIFT 9 +/* Ironlake */ +# define PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT 9 +# define PLL_REF_SDVO_HDMI_MULTIPLIER_MASK (7 << 9) +# define PLL_REF_SDVO_HDMI_MULTIPLIER(x) (((x)-1) << 9) +# define DPLL_FPA1_P1_POST_DIV_SHIFT 0 +# define DPLL_FPA1_P1_POST_DIV_MASK 0xff + +/* + * Parallel to Serial Load Pulse phase selection. + * Selects the phase for the 10X DPLL clock for the PCIe + * digital display port. The range is 4 to 13; 10 or more + * is just a flip delay. The default is 6 + */ +#define PLL_LOAD_PULSE_PHASE_MASK (0xf << PLL_LOAD_PULSE_PHASE_SHIFT) +#define DISPLAY_RATE_SELECT_FPA1 (1 << 8) +/* + * SDVO multiplier for 945G/GM. Not used on 965. + */ +#define SDVO_MULTIPLIER_MASK 0x000000ff +#define SDVO_MULTIPLIER_SHIFT_HIRES 4 +#define SDVO_MULTIPLIER_SHIFT_VGA 0 +#define _DPLL_A_MD 0x0601c /* 965+ only */ +/* + * UDI pixel divider, controlling how many pixels are stuffed into a packet. + * + * Value is pixels minus 1. Must be set to 1 pixel for SDVO. + */ +#define DPLL_MD_UDI_DIVIDER_MASK 0x3f000000 +#define DPLL_MD_UDI_DIVIDER_SHIFT 24 +/* UDI pixel divider for VGA, same as DPLL_MD_UDI_DIVIDER_MASK. */ +#define DPLL_MD_VGA_UDI_DIVIDER_MASK 0x003f0000 +#define DPLL_MD_VGA_UDI_DIVIDER_SHIFT 16 +/* + * SDVO/UDI pixel multiplier. + * + * SDVO requires that the bus clock rate be between 1 and 2 Ghz, and the bus + * clock rate is 10 times the DPLL clock. At low resolution/refresh rate + * modes, the bus rate would be below the limits, so SDVO allows for stuffing + * dummy bytes in the datastream at an increased clock rate, with both sides of + * the link knowing how many bytes are fill. + * + * So, for a mode with a dotclock of 65Mhz, we would want to double the clock + * rate to 130Mhz to get a bus rate of 1.30Ghz. The DPLL clock rate would be + * set to 130Mhz, and the SDVO multiplier set to 2x in this register and + * through an SDVO command. + * + * This register field has values of multiplication factor minus 1, with + * a maximum multiplier of 5 for SDVO. + */ +#define DPLL_MD_UDI_MULTIPLIER_MASK 0x00003f00 +#define DPLL_MD_UDI_MULTIPLIER_SHIFT 8 +/* + * SDVO/UDI pixel multiplier for VGA, same as DPLL_MD_UDI_MULTIPLIER_MASK. + * This best be set to the default value (3) or the CRT won't work. No, + * I don't entirely understand what this does... + */ +#define DPLL_MD_VGA_UDI_MULTIPLIER_MASK 0x0000003f +#define DPLL_MD_VGA_UDI_MULTIPLIER_SHIFT 0 +#define _DPLL_B_MD 0x06020 /* 965+ only */ +#define DPLL_MD(pipe) _PIPE(pipe, _DPLL_A_MD, _DPLL_B_MD) +#define _FPA0 0x06040 +#define _FPA1 0x06044 +#define _FPB0 0x06048 +#define _FPB1 0x0604c +#define FP0(pipe) _PIPE(pipe, _FPA0, _FPB0) +#define FP1(pipe) _PIPE(pipe, _FPA1, _FPB1) +#define FP_N_DIV_MASK 0x003f0000 +#define FP_N_PINEVIEW_DIV_MASK 0x00ff0000 +#define FP_N_DIV_SHIFT 16 +#define FP_M1_DIV_MASK 0x00003f00 +#define FP_M1_DIV_SHIFT 8 +#define FP_M2_DIV_MASK 0x0000003f +#define FP_M2_PINEVIEW_DIV_MASK 0x000000ff +#define FP_M2_DIV_SHIFT 0 +#define DPLL_TEST 0x606c +#define DPLLB_TEST_SDVO_DIV_1 (0 << 22) +#define DPLLB_TEST_SDVO_DIV_2 (1 << 22) +#define DPLLB_TEST_SDVO_DIV_4 (2 << 22) +#define DPLLB_TEST_SDVO_DIV_MASK (3 << 22) +#define DPLLB_TEST_N_BYPASS (1 << 19) +#define DPLLB_TEST_M_BYPASS (1 << 18) +#define DPLLB_INPUT_BUFFER_ENABLE (1 << 16) +#define DPLLA_TEST_N_BYPASS (1 << 3) +#define DPLLA_TEST_M_BYPASS (1 << 2) +#define DPLLA_INPUT_BUFFER_ENABLE (1 << 0) +#define D_STATE 0x6104 +#define DSTATE_GFX_RESET_I830 (1<<6) +#define DSTATE_PLL_D3_OFF (1<<3) +#define DSTATE_GFX_CLOCK_GATING (1<<1) +#define DSTATE_DOT_CLOCK_GATING (1<<0) +#define DSPCLK_GATE_D 0x6200 +# define DPUNIT_B_CLOCK_GATE_DISABLE (1 << 30) /* 965 */ +# define VSUNIT_CLOCK_GATE_DISABLE (1 << 29) /* 965 */ +# define VRHUNIT_CLOCK_GATE_DISABLE (1 << 28) /* 965 */ +# define VRDUNIT_CLOCK_GATE_DISABLE (1 << 27) /* 965 */ +# define AUDUNIT_CLOCK_GATE_DISABLE (1 << 26) /* 965 */ +# define DPUNIT_A_CLOCK_GATE_DISABLE (1 << 25) /* 965 */ +# define DPCUNIT_CLOCK_GATE_DISABLE (1 << 24) /* 965 */ +# define TVRUNIT_CLOCK_GATE_DISABLE (1 << 23) /* 915-945 */ +# define TVCUNIT_CLOCK_GATE_DISABLE (1 << 22) /* 915-945 */ +# define TVFUNIT_CLOCK_GATE_DISABLE (1 << 21) /* 915-945 */ +# define TVEUNIT_CLOCK_GATE_DISABLE (1 << 20) /* 915-945 */ +# define DVSUNIT_CLOCK_GATE_DISABLE (1 << 19) /* 915-945 */ +# define DSSUNIT_CLOCK_GATE_DISABLE (1 << 18) /* 915-945 */ +# define DDBUNIT_CLOCK_GATE_DISABLE (1 << 17) /* 915-945 */ +# define DPRUNIT_CLOCK_GATE_DISABLE (1 << 16) /* 915-945 */ +# define DPFUNIT_CLOCK_GATE_DISABLE (1 << 15) /* 915-945 */ +# define DPBMUNIT_CLOCK_GATE_DISABLE (1 << 14) /* 915-945 */ +# define DPLSUNIT_CLOCK_GATE_DISABLE (1 << 13) /* 915-945 */ +# define DPLUNIT_CLOCK_GATE_DISABLE (1 << 12) /* 915-945 */ +# define DPOUNIT_CLOCK_GATE_DISABLE (1 << 11) +# define DPBUNIT_CLOCK_GATE_DISABLE (1 << 10) +# define DCUNIT_CLOCK_GATE_DISABLE (1 << 9) +# define DPUNIT_CLOCK_GATE_DISABLE (1 << 8) +# define VRUNIT_CLOCK_GATE_DISABLE (1 << 7) /* 915+: reserved */ +# define OVHUNIT_CLOCK_GATE_DISABLE (1 << 6) /* 830-865 */ +# define DPIOUNIT_CLOCK_GATE_DISABLE (1 << 6) /* 915-945 */ +# define OVFUNIT_CLOCK_GATE_DISABLE (1 << 5) +# define OVBUNIT_CLOCK_GATE_DISABLE (1 << 4) +/** + * This bit must be set on the 830 to prevent hangs when turning off the + * overlay scaler. + */ +# define OVRUNIT_CLOCK_GATE_DISABLE (1 << 3) +# define OVCUNIT_CLOCK_GATE_DISABLE (1 << 2) +# define OVUUNIT_CLOCK_GATE_DISABLE (1 << 1) +# define ZVUNIT_CLOCK_GATE_DISABLE (1 << 0) /* 830 */ +# define OVLUNIT_CLOCK_GATE_DISABLE (1 << 0) /* 845,865 */ + +#define RENCLK_GATE_D1 0x6204 +# define BLITTER_CLOCK_GATE_DISABLE (1 << 13) /* 945GM only */ +# define MPEG_CLOCK_GATE_DISABLE (1 << 12) /* 945GM only */ +# define PC_FE_CLOCK_GATE_DISABLE (1 << 11) +# define PC_BE_CLOCK_GATE_DISABLE (1 << 10) +# define WINDOWER_CLOCK_GATE_DISABLE (1 << 9) +# define INTERPOLATOR_CLOCK_GATE_DISABLE (1 << 8) +# define COLOR_CALCULATOR_CLOCK_GATE_DISABLE (1 << 7) +# define MOTION_COMP_CLOCK_GATE_DISABLE (1 << 6) +# define MAG_CLOCK_GATE_DISABLE (1 << 5) +/** This bit must be unset on 855,865 */ +# define MECI_CLOCK_GATE_DISABLE (1 << 4) +# define DCMP_CLOCK_GATE_DISABLE (1 << 3) +# define MEC_CLOCK_GATE_DISABLE (1 << 2) +# define MECO_CLOCK_GATE_DISABLE (1 << 1) +/** This bit must be set on 855,865. */ +# define SV_CLOCK_GATE_DISABLE (1 << 0) +# define I915_MPEG_CLOCK_GATE_DISABLE (1 << 16) +# define I915_VLD_IP_PR_CLOCK_GATE_DISABLE (1 << 15) +# define I915_MOTION_COMP_CLOCK_GATE_DISABLE (1 << 14) +# define I915_BD_BF_CLOCK_GATE_DISABLE (1 << 13) +# define I915_SF_SE_CLOCK_GATE_DISABLE (1 << 12) +# define I915_WM_CLOCK_GATE_DISABLE (1 << 11) +# define I915_IZ_CLOCK_GATE_DISABLE (1 << 10) +# define I915_PI_CLOCK_GATE_DISABLE (1 << 9) +# define I915_DI_CLOCK_GATE_DISABLE (1 << 8) +# define I915_SH_SV_CLOCK_GATE_DISABLE (1 << 7) +# define I915_PL_DG_QC_FT_CLOCK_GATE_DISABLE (1 << 6) +# define I915_SC_CLOCK_GATE_DISABLE (1 << 5) +# define I915_FL_CLOCK_GATE_DISABLE (1 << 4) +# define I915_DM_CLOCK_GATE_DISABLE (1 << 3) +# define I915_PS_CLOCK_GATE_DISABLE (1 << 2) +# define I915_CC_CLOCK_GATE_DISABLE (1 << 1) +# define I915_BY_CLOCK_GATE_DISABLE (1 << 0) + +# define I965_RCZ_CLOCK_GATE_DISABLE (1 << 30) +/** This bit must always be set on 965G/965GM */ +# define I965_RCC_CLOCK_GATE_DISABLE (1 << 29) +# define I965_RCPB_CLOCK_GATE_DISABLE (1 << 28) +# define I965_DAP_CLOCK_GATE_DISABLE (1 << 27) +# define I965_ROC_CLOCK_GATE_DISABLE (1 << 26) +# define I965_GW_CLOCK_GATE_DISABLE (1 << 25) +# define I965_TD_CLOCK_GATE_DISABLE (1 << 24) +/** This bit must always be set on 965G */ +# define I965_ISC_CLOCK_GATE_DISABLE (1 << 23) +# define I965_IC_CLOCK_GATE_DISABLE (1 << 22) +# define I965_EU_CLOCK_GATE_DISABLE (1 << 21) +# define I965_IF_CLOCK_GATE_DISABLE (1 << 20) +# define I965_TC_CLOCK_GATE_DISABLE (1 << 19) +# define I965_SO_CLOCK_GATE_DISABLE (1 << 17) +# define I965_FBC_CLOCK_GATE_DISABLE (1 << 16) +# define I965_MARI_CLOCK_GATE_DISABLE (1 << 15) +# define I965_MASF_CLOCK_GATE_DISABLE (1 << 14) +# define I965_MAWB_CLOCK_GATE_DISABLE (1 << 13) +# define I965_EM_CLOCK_GATE_DISABLE (1 << 12) +# define I965_UC_CLOCK_GATE_DISABLE (1 << 11) +# define I965_SI_CLOCK_GATE_DISABLE (1 << 6) +# define I965_MT_CLOCK_GATE_DISABLE (1 << 5) +# define I965_PL_CLOCK_GATE_DISABLE (1 << 4) +# define I965_DG_CLOCK_GATE_DISABLE (1 << 3) +# define I965_QC_CLOCK_GATE_DISABLE (1 << 2) +# define I965_FT_CLOCK_GATE_DISABLE (1 << 1) +# define I965_DM_CLOCK_GATE_DISABLE (1 << 0) + +#define RENCLK_GATE_D2 0x6208 +#define VF_UNIT_CLOCK_GATE_DISABLE (1 << 9) +#define GS_UNIT_CLOCK_GATE_DISABLE (1 << 7) +#define CL_UNIT_CLOCK_GATE_DISABLE (1 << 6) +#define RAMCLK_GATE_D 0x6210 /* CRL only */ +#define DEUC 0x6214 /* CRL only */ + +/* + * Palette regs + */ + +#define _PALETTE_A 0x0a000 +#define _PALETTE_B 0x0a800 +#define PALETTE(pipe) _PIPE(pipe, _PALETTE_A, _PALETTE_B) + +/* MCH MMIO space */ + +/* + * MCHBAR mirror. + * + * This mirrors the MCHBAR MMIO space whose location is determined by + * device 0 function 0's pci config register 0x44 or 0x48 and matches it in + * every way. It is not accessible from the CP register read instructions. + * + */ +#define MCHBAR_MIRROR_BASE 0x10000 + +#define MCHBAR_MIRROR_BASE_SNB 0x140000 + +/** 915-945 and GM965 MCH register controlling DRAM channel access */ +#define DCC 0x10200 +#define DCC_ADDRESSING_MODE_SINGLE_CHANNEL (0 << 0) +#define DCC_ADDRESSING_MODE_DUAL_CHANNEL_ASYMMETRIC (1 << 0) +#define DCC_ADDRESSING_MODE_DUAL_CHANNEL_INTERLEAVED (2 << 0) +#define DCC_ADDRESSING_MODE_MASK (3 << 0) +#define DCC_CHANNEL_XOR_DISABLE (1 << 10) +#define DCC_CHANNEL_XOR_BIT_17 (1 << 9) + +/** Pineview MCH register contains DDR3 setting */ +#define CSHRDDR3CTL 0x101a8 +#define CSHRDDR3CTL_DDR3 (1 << 2) + +/** 965 MCH register controlling DRAM channel configuration */ +#define C0DRB3 0x10206 +#define C1DRB3 0x10606 + +/* Clocking configuration register */ +#define CLKCFG 0x10c00 +#define CLKCFG_FSB_400 (5 << 0) /* hrawclk 100 */ +#define CLKCFG_FSB_533 (1 << 0) /* hrawclk 133 */ +#define CLKCFG_FSB_667 (3 << 0) /* hrawclk 166 */ +#define CLKCFG_FSB_800 (2 << 0) /* hrawclk 200 */ +#define CLKCFG_FSB_1067 (6 << 0) /* hrawclk 266 */ +#define CLKCFG_FSB_1333 (7 << 0) /* hrawclk 333 */ +/* Note, below two are guess */ +#define CLKCFG_FSB_1600 (4 << 0) /* hrawclk 400 */ +#define CLKCFG_FSB_1600_ALT (0 << 0) /* hrawclk 400 */ +#define CLKCFG_FSB_MASK (7 << 0) +#define CLKCFG_MEM_533 (1 << 4) +#define CLKCFG_MEM_667 (2 << 4) +#define CLKCFG_MEM_800 (3 << 4) +#define CLKCFG_MEM_MASK (7 << 4) + +#define TSC1 0x11001 +#define TSE (1<<0) +#define TR1 0x11006 +#define TSFS 0x11020 +#define TSFS_SLOPE_MASK 0x0000ff00 +#define TSFS_SLOPE_SHIFT 8 +#define TSFS_INTR_MASK 0x000000ff + +#define CRSTANDVID 0x11100 +#define PXVFREQ_BASE 0x11110 /* P[0-15]VIDFREQ (0x1114c) (Ironlake) */ +#define PXVFREQ_PX_MASK 0x7f000000 +#define PXVFREQ_PX_SHIFT 24 +#define VIDFREQ_BASE 0x11110 +#define VIDFREQ1 0x11110 /* VIDFREQ1-4 (0x1111c) (Cantiga) */ +#define VIDFREQ2 0x11114 +#define VIDFREQ3 0x11118 +#define VIDFREQ4 0x1111c +#define VIDFREQ_P0_MASK 0x1f000000 +#define VIDFREQ_P0_SHIFT 24 +#define VIDFREQ_P0_CSCLK_MASK 0x00f00000 +#define VIDFREQ_P0_CSCLK_SHIFT 20 +#define VIDFREQ_P0_CRCLK_MASK 0x000f0000 +#define VIDFREQ_P0_CRCLK_SHIFT 16 +#define VIDFREQ_P1_MASK 0x00001f00 +#define VIDFREQ_P1_SHIFT 8 +#define VIDFREQ_P1_CSCLK_MASK 0x000000f0 +#define VIDFREQ_P1_CSCLK_SHIFT 4 +#define VIDFREQ_P1_CRCLK_MASK 0x0000000f +#define INTTOEXT_BASE_ILK 0x11300 +#define INTTOEXT_BASE 0x11120 /* INTTOEXT1-8 (0x1113c) */ +#define INTTOEXT_MAP3_SHIFT 24 +#define INTTOEXT_MAP3_MASK (0x1f << INTTOEXT_MAP3_SHIFT) +#define INTTOEXT_MAP2_SHIFT 16 +#define INTTOEXT_MAP2_MASK (0x1f << INTTOEXT_MAP2_SHIFT) +#define INTTOEXT_MAP1_SHIFT 8 +#define INTTOEXT_MAP1_MASK (0x1f << INTTOEXT_MAP1_SHIFT) +#define INTTOEXT_MAP0_SHIFT 0 +#define INTTOEXT_MAP0_MASK (0x1f << INTTOEXT_MAP0_SHIFT) +#define MEMSWCTL 0x11170 /* Ironlake only */ +#define MEMCTL_CMD_MASK 0xe000 +#define MEMCTL_CMD_SHIFT 13 +#define MEMCTL_CMD_RCLK_OFF 0 +#define MEMCTL_CMD_RCLK_ON 1 +#define MEMCTL_CMD_CHFREQ 2 +#define MEMCTL_CMD_CHVID 3 +#define MEMCTL_CMD_VMMOFF 4 +#define MEMCTL_CMD_VMMON 5 +#define MEMCTL_CMD_STS (1<<12) /* write 1 triggers command, clears + when command complete */ +#define MEMCTL_FREQ_MASK 0x0f00 /* jitter, from 0-15 */ +#define MEMCTL_FREQ_SHIFT 8 +#define MEMCTL_SFCAVM (1<<7) +#define MEMCTL_TGT_VID_MASK 0x007f +#define MEMIHYST 0x1117c +#define MEMINTREN 0x11180 /* 16 bits */ +#define MEMINT_RSEXIT_EN (1<<8) +#define MEMINT_CX_SUPR_EN (1<<7) +#define MEMINT_CONT_BUSY_EN (1<<6) +#define MEMINT_AVG_BUSY_EN (1<<5) +#define MEMINT_EVAL_CHG_EN (1<<4) +#define MEMINT_MON_IDLE_EN (1<<3) +#define MEMINT_UP_EVAL_EN (1<<2) +#define MEMINT_DOWN_EVAL_EN (1<<1) +#define MEMINT_SW_CMD_EN (1<<0) +#define MEMINTRSTR 0x11182 /* 16 bits */ +#define MEM_RSEXIT_MASK 0xc000 +#define MEM_RSEXIT_SHIFT 14 +#define MEM_CONT_BUSY_MASK 0x3000 +#define MEM_CONT_BUSY_SHIFT 12 +#define MEM_AVG_BUSY_MASK 0x0c00 +#define MEM_AVG_BUSY_SHIFT 10 +#define MEM_EVAL_CHG_MASK 0x0300 +#define MEM_EVAL_BUSY_SHIFT 8 +#define MEM_MON_IDLE_MASK 0x00c0 +#define MEM_MON_IDLE_SHIFT 6 +#define MEM_UP_EVAL_MASK 0x0030 +#define MEM_UP_EVAL_SHIFT 4 +#define MEM_DOWN_EVAL_MASK 0x000c +#define MEM_DOWN_EVAL_SHIFT 2 +#define MEM_SW_CMD_MASK 0x0003 +#define MEM_INT_STEER_GFX 0 +#define MEM_INT_STEER_CMR 1 +#define MEM_INT_STEER_SMI 2 +#define MEM_INT_STEER_SCI 3 +#define MEMINTRSTS 0x11184 +#define MEMINT_RSEXIT (1<<7) +#define MEMINT_CONT_BUSY (1<<6) +#define MEMINT_AVG_BUSY (1<<5) +#define MEMINT_EVAL_CHG (1<<4) +#define MEMINT_MON_IDLE (1<<3) +#define MEMINT_UP_EVAL (1<<2) +#define MEMINT_DOWN_EVAL (1<<1) +#define MEMINT_SW_CMD (1<<0) +#define MEMMODECTL 0x11190 +#define MEMMODE_BOOST_EN (1<<31) +#define MEMMODE_BOOST_FREQ_MASK 0x0f000000 /* jitter for boost, 0-15 */ +#define MEMMODE_BOOST_FREQ_SHIFT 24 +#define MEMMODE_IDLE_MODE_MASK 0x00030000 +#define MEMMODE_IDLE_MODE_SHIFT 16 +#define MEMMODE_IDLE_MODE_EVAL 0 +#define MEMMODE_IDLE_MODE_CONT 1 +#define MEMMODE_HWIDLE_EN (1<<15) +#define MEMMODE_SWMODE_EN (1<<14) +#define MEMMODE_RCLK_GATE (1<<13) +#define MEMMODE_HW_UPDATE (1<<12) +#define MEMMODE_FSTART_MASK 0x00000f00 /* starting jitter, 0-15 */ +#define MEMMODE_FSTART_SHIFT 8 +#define MEMMODE_FMAX_MASK 0x000000f0 /* max jitter, 0-15 */ +#define MEMMODE_FMAX_SHIFT 4 +#define MEMMODE_FMIN_MASK 0x0000000f /* min jitter, 0-15 */ +#define RCBMAXAVG 0x1119c +#define MEMSWCTL2 0x1119e /* Cantiga only */ +#define SWMEMCMD_RENDER_OFF (0 << 13) +#define SWMEMCMD_RENDER_ON (1 << 13) +#define SWMEMCMD_SWFREQ (2 << 13) +#define SWMEMCMD_TARVID (3 << 13) +#define SWMEMCMD_VRM_OFF (4 << 13) +#define SWMEMCMD_VRM_ON (5 << 13) +#define CMDSTS (1<<12) +#define SFCAVM (1<<11) +#define SWFREQ_MASK 0x0380 /* P0-7 */ +#define SWFREQ_SHIFT 7 +#define TARVID_MASK 0x001f +#define MEMSTAT_CTG 0x111a0 +#define RCBMINAVG 0x111a0 +#define RCUPEI 0x111b0 +#define RCDNEI 0x111b4 +#define RSTDBYCTL 0x111b8 +#define RS1EN (1<<31) +#define RS2EN (1<<30) +#define RS3EN (1<<29) +#define D3RS3EN (1<<28) /* Display D3 imlies RS3 */ +#define SWPROMORSX (1<<27) /* RSx promotion timers ignored */ +#define RCWAKERW (1<<26) /* Resetwarn from PCH causes wakeup */ +#define DPRSLPVREN (1<<25) /* Fast voltage ramp enable */ +#define GFXTGHYST (1<<24) /* Hysteresis to allow trunk gating */ +#define RCX_SW_EXIT (1<<23) /* Leave RSx and prevent re-entry */ +#define RSX_STATUS_MASK (7<<20) +#define RSX_STATUS_ON (0<<20) +#define RSX_STATUS_RC1 (1<<20) +#define RSX_STATUS_RC1E (2<<20) +#define RSX_STATUS_RS1 (3<<20) +#define RSX_STATUS_RS2 (4<<20) /* aka rc6 */ +#define RSX_STATUS_RSVD (5<<20) /* deep rc6 unsupported on ilk */ +#define RSX_STATUS_RS3 (6<<20) /* rs3 unsupported on ilk */ +#define RSX_STATUS_RSVD2 (7<<20) +#define UWRCRSXE (1<<19) /* wake counter limit prevents rsx */ +#define RSCRP (1<<18) /* rs requests control on rs1/2 reqs */ +#define JRSC (1<<17) /* rsx coupled to cpu c-state */ +#define RS2INC0 (1<<16) /* allow rs2 in cpu c0 */ +#define RS1CONTSAV_MASK (3<<14) +#define RS1CONTSAV_NO_RS1 (0<<14) /* rs1 doesn't save/restore context */ +#define RS1CONTSAV_RSVD (1<<14) +#define RS1CONTSAV_SAVE_RS1 (2<<14) /* rs1 saves context */ +#define RS1CONTSAV_FULL_RS1 (3<<14) /* rs1 saves and restores context */ +#define NORMSLEXLAT_MASK (3<<12) +#define SLOW_RS123 (0<<12) +#define SLOW_RS23 (1<<12) +#define SLOW_RS3 (2<<12) +#define NORMAL_RS123 (3<<12) +#define RCMODE_TIMEOUT (1<<11) /* 0 is eval interval method */ +#define IMPROMOEN (1<<10) /* promo is immediate or delayed until next idle interval (only for timeout method above) */ +#define RCENTSYNC (1<<9) /* rs coupled to cpu c-state (3/6/7) */ +#define STATELOCK (1<<7) /* locked to rs_cstate if 0 */ +#define RS_CSTATE_MASK (3<<4) +#define RS_CSTATE_C367_RS1 (0<<4) +#define RS_CSTATE_C36_RS1_C7_RS2 (1<<4) +#define RS_CSTATE_RSVD (2<<4) +#define RS_CSTATE_C367_RS2 (3<<4) +#define REDSAVES (1<<3) /* no context save if was idle during rs0 */ +#define REDRESTORES (1<<2) /* no restore if was idle during rs0 */ +#define VIDCTL 0x111c0 +#define VIDSTS 0x111c8 +#define VIDSTART 0x111cc /* 8 bits */ +#define MEMSTAT_ILK 0x111f8 +#define MEMSTAT_VID_MASK 0x7f00 +#define MEMSTAT_VID_SHIFT 8 +#define MEMSTAT_PSTATE_MASK 0x00f8 +#define MEMSTAT_PSTATE_SHIFT 3 +#define MEMSTAT_MON_ACTV (1<<2) +#define MEMSTAT_SRC_CTL_MASK 0x0003 +#define MEMSTAT_SRC_CTL_CORE 0 +#define MEMSTAT_SRC_CTL_TRB 1 +#define MEMSTAT_SRC_CTL_THM 2 +#define MEMSTAT_SRC_CTL_STDBY 3 +#define RCPREVBSYTUPAVG 0x113b8 +#define RCPREVBSYTDNAVG 0x113bc +#define PMMISC 0x11214 +#define MCPPCE_EN (1<<0) /* enable PM_MSG from PCH->MPC */ +#define SDEW 0x1124c +#define CSIEW0 0x11250 +#define CSIEW1 0x11254 +#define CSIEW2 0x11258 +#define PEW 0x1125c +#define DEW 0x11270 +#define MCHAFE 0x112c0 +#define CSIEC 0x112e0 +#define DMIEC 0x112e4 +#define DDREC 0x112e8 +#define PEG0EC 0x112ec +#define PEG1EC 0x112f0 +#define GFXEC 0x112f4 +#define RPPREVBSYTUPAVG 0x113b8 +#define RPPREVBSYTDNAVG 0x113bc +#define ECR 0x11600 +#define ECR_GPFE (1<<31) +#define ECR_IMONE (1<<30) +#define ECR_CAP_MASK 0x0000001f /* Event range, 0-31 */ +#define OGW0 0x11608 +#define OGW1 0x1160c +#define EG0 0x11610 +#define EG1 0x11614 +#define EG2 0x11618 +#define EG3 0x1161c +#define EG4 0x11620 +#define EG5 0x11624 +#define EG6 0x11628 +#define EG7 0x1162c +#define PXW 0x11664 +#define PXWL 0x11680 +#define LCFUSE02 0x116c0 +#define LCFUSE_HIV_MASK 0x000000ff +#define CSIPLL0 0x12c10 +#define DDRMPLL1 0X12c20 +#define PEG_BAND_GAP_DATA 0x14d68 + +#define GEN6_GT_PERF_STATUS 0x145948 +#define GEN6_RP_STATE_LIMITS 0x145994 +#define GEN6_RP_STATE_CAP 0x145998 + +/* + * Logical Context regs + */ +#define CCID 0x2180 +#define CCID_EN (1<<0) +/* + * Overlay regs + */ + +#define OVADD 0x30000 +#define DOVSTA 0x30008 +#define OC_BUF (0x3<<20) +#define OGAMC5 0x30010 +#define OGAMC4 0x30014 +#define OGAMC3 0x30018 +#define OGAMC2 0x3001c +#define OGAMC1 0x30020 +#define OGAMC0 0x30024 + +/* + * Display engine regs + */ + +/* Pipe A timing regs */ +#define _HTOTAL_A 0x60000 +#define _HBLANK_A 0x60004 +#define _HSYNC_A 0x60008 +#define _VTOTAL_A 0x6000c +#define _VBLANK_A 0x60010 +#define _VSYNC_A 0x60014 +#define _PIPEASRC 0x6001c +#define _BCLRPAT_A 0x60020 + +/* Pipe B timing regs */ +#define _HTOTAL_B 0x61000 +#define _HBLANK_B 0x61004 +#define _HSYNC_B 0x61008 +#define _VTOTAL_B 0x6100c +#define _VBLANK_B 0x61010 +#define _VSYNC_B 0x61014 +#define _PIPEBSRC 0x6101c +#define _BCLRPAT_B 0x61020 + +#define HTOTAL(pipe) _PIPE(pipe, _HTOTAL_A, _HTOTAL_B) +#define HBLANK(pipe) _PIPE(pipe, _HBLANK_A, _HBLANK_B) +#define HSYNC(pipe) _PIPE(pipe, _HSYNC_A, _HSYNC_B) +#define VTOTAL(pipe) _PIPE(pipe, _VTOTAL_A, _VTOTAL_B) +#define VBLANK(pipe) _PIPE(pipe, _VBLANK_A, _VBLANK_B) +#define VSYNC(pipe) _PIPE(pipe, _VSYNC_A, _VSYNC_B) +#define BCLRPAT(pipe) _PIPE(pipe, _BCLRPAT_A, _BCLRPAT_B) + +/* VGA port control */ +#define ADPA 0x61100 +#define ADPA_DAC_ENABLE (1<<31) +#define ADPA_DAC_DISABLE 0 +#define ADPA_PIPE_SELECT_MASK (1<<30) +#define ADPA_PIPE_A_SELECT 0 +#define ADPA_PIPE_B_SELECT (1<<30) +#define ADPA_PIPE_SELECT(pipe) ((pipe) << 30) +#define ADPA_USE_VGA_HVPOLARITY (1<<15) +#define ADPA_SETS_HVPOLARITY 0 +#define ADPA_VSYNC_CNTL_DISABLE (1<<11) +#define ADPA_VSYNC_CNTL_ENABLE 0 +#define ADPA_HSYNC_CNTL_DISABLE (1<<10) +#define ADPA_HSYNC_CNTL_ENABLE 0 +#define ADPA_VSYNC_ACTIVE_HIGH (1<<4) +#define ADPA_VSYNC_ACTIVE_LOW 0 +#define ADPA_HSYNC_ACTIVE_HIGH (1<<3) +#define ADPA_HSYNC_ACTIVE_LOW 0 +#define ADPA_DPMS_MASK (~(3<<10)) +#define ADPA_DPMS_ON (0<<10) +#define ADPA_DPMS_SUSPEND (1<<10) +#define ADPA_DPMS_STANDBY (2<<10) +#define ADPA_DPMS_OFF (3<<10) + + +/* Hotplug control (945+ only) */ +#define PORT_HOTPLUG_EN 0x61110 +#define HDMIB_HOTPLUG_INT_EN (1 << 29) +#define DPB_HOTPLUG_INT_EN (1 << 29) +#define HDMIC_HOTPLUG_INT_EN (1 << 28) +#define DPC_HOTPLUG_INT_EN (1 << 28) +#define HDMID_HOTPLUG_INT_EN (1 << 27) +#define DPD_HOTPLUG_INT_EN (1 << 27) +#define SDVOB_HOTPLUG_INT_EN (1 << 26) +#define SDVOC_HOTPLUG_INT_EN (1 << 25) +#define TV_HOTPLUG_INT_EN (1 << 18) +#define CRT_HOTPLUG_INT_EN (1 << 9) +#define CRT_HOTPLUG_FORCE_DETECT (1 << 3) +#define CRT_HOTPLUG_ACTIVATION_PERIOD_32 (0 << 8) +/* must use period 64 on GM45 according to docs */ +#define CRT_HOTPLUG_ACTIVATION_PERIOD_64 (1 << 8) +#define CRT_HOTPLUG_DAC_ON_TIME_2M (0 << 7) +#define CRT_HOTPLUG_DAC_ON_TIME_4M (1 << 7) +#define CRT_HOTPLUG_VOLTAGE_COMPARE_40 (0 << 5) +#define CRT_HOTPLUG_VOLTAGE_COMPARE_50 (1 << 5) +#define CRT_HOTPLUG_VOLTAGE_COMPARE_60 (2 << 5) +#define CRT_HOTPLUG_VOLTAGE_COMPARE_70 (3 << 5) +#define CRT_HOTPLUG_VOLTAGE_COMPARE_MASK (3 << 5) +#define CRT_HOTPLUG_DETECT_DELAY_1G (0 << 4) +#define CRT_HOTPLUG_DETECT_DELAY_2G (1 << 4) +#define CRT_HOTPLUG_DETECT_VOLTAGE_325MV (0 << 2) +#define CRT_HOTPLUG_DETECT_VOLTAGE_475MV (1 << 2) + +#define PORT_HOTPLUG_STAT 0x61114 +#define HDMIB_HOTPLUG_INT_STATUS (1 << 29) +#define DPB_HOTPLUG_INT_STATUS (1 << 29) +#define HDMIC_HOTPLUG_INT_STATUS (1 << 28) +#define DPC_HOTPLUG_INT_STATUS (1 << 28) +#define HDMID_HOTPLUG_INT_STATUS (1 << 27) +#define DPD_HOTPLUG_INT_STATUS (1 << 27) +#define CRT_HOTPLUG_INT_STATUS (1 << 11) +#define TV_HOTPLUG_INT_STATUS (1 << 10) +#define CRT_HOTPLUG_MONITOR_MASK (3 << 8) +#define CRT_HOTPLUG_MONITOR_COLOR (3 << 8) +#define CRT_HOTPLUG_MONITOR_MONO (2 << 8) +#define CRT_HOTPLUG_MONITOR_NONE (0 << 8) +#define SDVOC_HOTPLUG_INT_STATUS (1 << 7) +#define SDVOB_HOTPLUG_INT_STATUS (1 << 6) + +/* SDVO port control */ +#define SDVOB 0x61140 +#define SDVOC 0x61160 +#define SDVO_ENABLE (1 << 31) +#define SDVO_PIPE_B_SELECT (1 << 30) +#define SDVO_STALL_SELECT (1 << 29) +#define SDVO_INTERRUPT_ENABLE (1 << 26) +/** + * 915G/GM SDVO pixel multiplier. + * + * Programmed value is multiplier - 1, up to 5x. + * + * \sa DPLL_MD_UDI_MULTIPLIER_MASK + */ +#define SDVO_PORT_MULTIPLY_MASK (7 << 23) +#define SDVO_PORT_MULTIPLY_SHIFT 23 +#define SDVO_PHASE_SELECT_MASK (15 << 19) +#define SDVO_PHASE_SELECT_DEFAULT (6 << 19) +#define SDVO_CLOCK_OUTPUT_INVERT (1 << 18) +#define SDVOC_GANG_MODE (1 << 16) +#define SDVO_ENCODING_SDVO (0x0 << 10) +#define SDVO_ENCODING_HDMI (0x2 << 10) +/** Requird for HDMI operation */ +#define SDVO_NULL_PACKETS_DURING_VSYNC (1 << 9) +#define SDVO_COLOR_RANGE_16_235 (1 << 8) +#define SDVO_BORDER_ENABLE (1 << 7) +#define SDVO_AUDIO_ENABLE (1 << 6) +/** New with 965, default is to be set */ +#define SDVO_VSYNC_ACTIVE_HIGH (1 << 4) +/** New with 965, default is to be set */ +#define SDVO_HSYNC_ACTIVE_HIGH (1 << 3) +#define SDVOB_PCIE_CONCURRENCY (1 << 3) +#define SDVO_DETECTED (1 << 2) +/* Bits to be preserved when writing */ +#define SDVOB_PRESERVE_MASK ((1 << 17) | (1 << 16) | (1 << 14) | (1 << 26)) +#define SDVOC_PRESERVE_MASK ((1 << 17) | (1 << 26)) + +/* DVO port control */ +#define DVOA 0x61120 +#define DVOB 0x61140 +#define DVOC 0x61160 +#define DVO_ENABLE (1 << 31) +#define DVO_PIPE_B_SELECT (1 << 30) +#define DVO_PIPE_STALL_UNUSED (0 << 28) +#define DVO_PIPE_STALL (1 << 28) +#define DVO_PIPE_STALL_TV (2 << 28) +#define DVO_PIPE_STALL_MASK (3 << 28) +#define DVO_USE_VGA_SYNC (1 << 15) +#define DVO_DATA_ORDER_I740 (0 << 14) +#define DVO_DATA_ORDER_FP (1 << 14) +#define DVO_VSYNC_DISABLE (1 << 11) +#define DVO_HSYNC_DISABLE (1 << 10) +#define DVO_VSYNC_TRISTATE (1 << 9) +#define DVO_HSYNC_TRISTATE (1 << 8) +#define DVO_BORDER_ENABLE (1 << 7) +#define DVO_DATA_ORDER_GBRG (1 << 6) +#define DVO_DATA_ORDER_RGGB (0 << 6) +#define DVO_DATA_ORDER_GBRG_ERRATA (0 << 6) +#define DVO_DATA_ORDER_RGGB_ERRATA (1 << 6) +#define DVO_VSYNC_ACTIVE_HIGH (1 << 4) +#define DVO_HSYNC_ACTIVE_HIGH (1 << 3) +#define DVO_BLANK_ACTIVE_HIGH (1 << 2) +#define DVO_OUTPUT_CSTATE_PIXELS (1 << 1) /* SDG only */ +#define DVO_OUTPUT_SOURCE_SIZE_PIXELS (1 << 0) /* SDG only */ +#define DVO_PRESERVE_MASK (0x7<<24) +#define DVOA_SRCDIM 0x61124 +#define DVOB_SRCDIM 0x61144 +#define DVOC_SRCDIM 0x61164 +#define DVO_SRCDIM_HORIZONTAL_SHIFT 12 +#define DVO_SRCDIM_VERTICAL_SHIFT 0 + +/* LVDS port control */ +#define LVDS 0x61180 +/* + * Enables the LVDS port. This bit must be set before DPLLs are enabled, as + * the DPLL semantics change when the LVDS is assigned to that pipe. + */ +#define LVDS_PORT_EN (1 << 31) +/* Selects pipe B for LVDS data. Must be set on pre-965. */ +#define LVDS_PIPEB_SELECT (1 << 30) +#define LVDS_PIPE_MASK (1 << 30) +#define LVDS_PIPE(pipe) ((pipe) << 30) +/* LVDS dithering flag on 965/g4x platform */ +#define LVDS_ENABLE_DITHER (1 << 25) +/* LVDS sync polarity flags. Set to invert (i.e. negative) */ +#define LVDS_VSYNC_POLARITY (1 << 21) +#define LVDS_HSYNC_POLARITY (1 << 20) + +/* Enable border for unscaled (or aspect-scaled) display */ +#define LVDS_BORDER_ENABLE (1 << 15) +/* + * Enables the A0-A2 data pairs and CLKA, containing 18 bits of color data per + * pixel. + */ +#define LVDS_A0A2_CLKA_POWER_MASK (3 << 8) +#define LVDS_A0A2_CLKA_POWER_DOWN (0 << 8) +#define LVDS_A0A2_CLKA_POWER_UP (3 << 8) +/* + * Controls the A3 data pair, which contains the additional LSBs for 24 bit + * mode. Only enabled if LVDS_A0A2_CLKA_POWER_UP also indicates it should be + * on. + */ +#define LVDS_A3_POWER_MASK (3 << 6) +#define LVDS_A3_POWER_DOWN (0 << 6) +#define LVDS_A3_POWER_UP (3 << 6) +/* + * Controls the CLKB pair. This should only be set when LVDS_B0B3_POWER_UP + * is set. + */ +#define LVDS_CLKB_POWER_MASK (3 << 4) +#define LVDS_CLKB_POWER_DOWN (0 << 4) +#define LVDS_CLKB_POWER_UP (3 << 4) +/* + * Controls the B0-B3 data pairs. This must be set to match the DPLL p2 + * setting for whether we are in dual-channel mode. The B3 pair will + * additionally only be powered up when LVDS_A3_POWER_UP is set. + */ +#define LVDS_B0B3_POWER_MASK (3 << 2) +#define LVDS_B0B3_POWER_DOWN (0 << 2) +#define LVDS_B0B3_POWER_UP (3 << 2) + +/* Video Data Island Packet control */ +#define VIDEO_DIP_DATA 0x61178 +#define VIDEO_DIP_CTL 0x61170 +#define VIDEO_DIP_ENABLE (1 << 31) +#define VIDEO_DIP_PORT_B (1 << 29) +#define VIDEO_DIP_PORT_C (2 << 29) +#define VIDEO_DIP_ENABLE_AVI (1 << 21) +#define VIDEO_DIP_ENABLE_VENDOR (2 << 21) +#define VIDEO_DIP_ENABLE_SPD (8 << 21) +#define VIDEO_DIP_SELECT_AVI (0 << 19) +#define VIDEO_DIP_SELECT_VENDOR (1 << 19) +#define VIDEO_DIP_SELECT_SPD (3 << 19) +#define VIDEO_DIP_SELECT_MASK (3 << 19) +#define VIDEO_DIP_FREQ_ONCE (0 << 16) +#define VIDEO_DIP_FREQ_VSYNC (1 << 16) +#define VIDEO_DIP_FREQ_2VSYNC (2 << 16) + +/* Panel power sequencing */ +#define PP_STATUS 0x61200 +#define PP_ON (1 << 31) +/* + * Indicates that all dependencies of the panel are on: + * + * - PLL enabled + * - pipe enabled + * - LVDS/DVOB/DVOC on + */ +#define PP_READY (1 << 30) +#define PP_SEQUENCE_NONE (0 << 28) +#define PP_SEQUENCE_ON (1 << 28) +#define PP_SEQUENCE_OFF (2 << 28) +#define PP_SEQUENCE_MASK 0x30000000 +#define PP_CYCLE_DELAY_ACTIVE (1 << 27) +#define PP_SEQUENCE_STATE_ON_IDLE (1 << 3) +#define PP_SEQUENCE_STATE_MASK 0x0000000f +#define PP_CONTROL 0x61204 +#define POWER_TARGET_ON (1 << 0) +#define PP_ON_DELAYS 0x61208 +#define PP_OFF_DELAYS 0x6120c +#define PP_DIVISOR 0x61210 + +/* Panel fitting */ +#define PFIT_CONTROL 0x61230 +#define PFIT_ENABLE (1 << 31) +#define PFIT_PIPE_MASK (3 << 29) +#define PFIT_PIPE_SHIFT 29 +#define VERT_INTERP_DISABLE (0 << 10) +#define VERT_INTERP_BILINEAR (1 << 10) +#define VERT_INTERP_MASK (3 << 10) +#define VERT_AUTO_SCALE (1 << 9) +#define HORIZ_INTERP_DISABLE (0 << 6) +#define HORIZ_INTERP_BILINEAR (1 << 6) +#define HORIZ_INTERP_MASK (3 << 6) +#define HORIZ_AUTO_SCALE (1 << 5) +#define PANEL_8TO6_DITHER_ENABLE (1 << 3) +#define PFIT_FILTER_FUZZY (0 << 24) +#define PFIT_SCALING_AUTO (0 << 26) +#define PFIT_SCALING_PROGRAMMED (1 << 26) +#define PFIT_SCALING_PILLAR (2 << 26) +#define PFIT_SCALING_LETTER (3 << 26) +#define PFIT_PGM_RATIOS 0x61234 +#define PFIT_VERT_SCALE_MASK 0xfff00000 +#define PFIT_HORIZ_SCALE_MASK 0x0000fff0 +/* Pre-965 */ +#define PFIT_VERT_SCALE_SHIFT 20 +#define PFIT_VERT_SCALE_MASK 0xfff00000 +#define PFIT_HORIZ_SCALE_SHIFT 4 +#define PFIT_HORIZ_SCALE_MASK 0x0000fff0 +/* 965+ */ +#define PFIT_VERT_SCALE_SHIFT_965 16 +#define PFIT_VERT_SCALE_MASK_965 0x1fff0000 +#define PFIT_HORIZ_SCALE_SHIFT_965 0 +#define PFIT_HORIZ_SCALE_MASK_965 0x00001fff + +#define PFIT_AUTO_RATIOS 0x61238 + +/* Backlight control */ +#define BLC_PWM_CTL 0x61254 +#define BACKLIGHT_MODULATION_FREQ_SHIFT (17) +#define BLC_PWM_CTL2 0x61250 /* 965+ only */ +#define BLM_COMBINATION_MODE (1 << 30) +/* + * This is the most significant 15 bits of the number of backlight cycles in a + * complete cycle of the modulated backlight control. + * + * The actual value is this field multiplied by two. + */ +#define BACKLIGHT_MODULATION_FREQ_MASK (0x7fff << 17) +#define BLM_LEGACY_MODE (1 << 16) +/* + * This is the number of cycles out of the backlight modulation cycle for which + * the backlight is on. + * + * This field must be no greater than the number of cycles in the complete + * backlight modulation cycle. + */ +#define BACKLIGHT_DUTY_CYCLE_SHIFT (0) +#define BACKLIGHT_DUTY_CYCLE_MASK (0xffff) + +#define BLC_HIST_CTL 0x61260 + +/* TV port control */ +#define TV_CTL 0x68000 +/** Enables the TV encoder */ +# define TV_ENC_ENABLE (1 << 31) +/** Sources the TV encoder input from pipe B instead of A. */ +# define TV_ENC_PIPEB_SELECT (1 << 30) +/** Outputs composite video (DAC A only) */ +# define TV_ENC_OUTPUT_COMPOSITE (0 << 28) +/** Outputs SVideo video (DAC B/C) */ +# define TV_ENC_OUTPUT_SVIDEO (1 << 28) +/** Outputs Component video (DAC A/B/C) */ +# define TV_ENC_OUTPUT_COMPONENT (2 << 28) +/** Outputs Composite and SVideo (DAC A/B/C) */ +# define TV_ENC_OUTPUT_SVIDEO_COMPOSITE (3 << 28) +# define TV_TRILEVEL_SYNC (1 << 21) +/** Enables slow sync generation (945GM only) */ +# define TV_SLOW_SYNC (1 << 20) +/** Selects 4x oversampling for 480i and 576p */ +# define TV_OVERSAMPLE_4X (0 << 18) +/** Selects 2x oversampling for 720p and 1080i */ +# define TV_OVERSAMPLE_2X (1 << 18) +/** Selects no oversampling for 1080p */ +# define TV_OVERSAMPLE_NONE (2 << 18) +/** Selects 8x oversampling */ +# define TV_OVERSAMPLE_8X (3 << 18) +/** Selects progressive mode rather than interlaced */ +# define TV_PROGRESSIVE (1 << 17) +/** Sets the colorburst to PAL mode. Required for non-M PAL modes. */ +# define TV_PAL_BURST (1 << 16) +/** Field for setting delay of Y compared to C */ +# define TV_YC_SKEW_MASK (7 << 12) +/** Enables a fix for 480p/576p standard definition modes on the 915GM only */ +# define TV_ENC_SDP_FIX (1 << 11) +/** + * Enables a fix for the 915GM only. + * + * Not sure what it does. + */ +# define TV_ENC_C0_FIX (1 << 10) +/** Bits that must be preserved by software */ +# define TV_CTL_SAVE ((1 << 11) | (3 << 9) | (7 << 6) | 0xf) +# define TV_FUSE_STATE_MASK (3 << 4) +/** Read-only state that reports all features enabled */ +# define TV_FUSE_STATE_ENABLED (0 << 4) +/** Read-only state that reports that Macrovision is disabled in hardware*/ +# define TV_FUSE_STATE_NO_MACROVISION (1 << 4) +/** Read-only state that reports that TV-out is disabled in hardware. */ +# define TV_FUSE_STATE_DISABLED (2 << 4) +/** Normal operation */ +# define TV_TEST_MODE_NORMAL (0 << 0) +/** Encoder test pattern 1 - combo pattern */ +# define TV_TEST_MODE_PATTERN_1 (1 << 0) +/** Encoder test pattern 2 - full screen vertical 75% color bars */ +# define TV_TEST_MODE_PATTERN_2 (2 << 0) +/** Encoder test pattern 3 - full screen horizontal 75% color bars */ +# define TV_TEST_MODE_PATTERN_3 (3 << 0) +/** Encoder test pattern 4 - random noise */ +# define TV_TEST_MODE_PATTERN_4 (4 << 0) +/** Encoder test pattern 5 - linear color ramps */ +# define TV_TEST_MODE_PATTERN_5 (5 << 0) +/** + * This test mode forces the DACs to 50% of full output. + * + * This is used for load detection in combination with TVDAC_SENSE_MASK + */ +# define TV_TEST_MODE_MONITOR_DETECT (7 << 0) +# define TV_TEST_MODE_MASK (7 << 0) + +#define TV_DAC 0x68004 +# define TV_DAC_SAVE 0x00ffff00 +/** + * Reports that DAC state change logic has reported change (RO). + * + * This gets cleared when TV_DAC_STATE_EN is cleared +*/ +# define TVDAC_STATE_CHG (1 << 31) +# define TVDAC_SENSE_MASK (7 << 28) +/** Reports that DAC A voltage is above the detect threshold */ +# define TVDAC_A_SENSE (1 << 30) +/** Reports that DAC B voltage is above the detect threshold */ +# define TVDAC_B_SENSE (1 << 29) +/** Reports that DAC C voltage is above the detect threshold */ +# define TVDAC_C_SENSE (1 << 28) +/** + * Enables DAC state detection logic, for load-based TV detection. + * + * The PLL of the chosen pipe (in TV_CTL) must be running, and the encoder set + * to off, for load detection to work. + */ +# define TVDAC_STATE_CHG_EN (1 << 27) +/** Sets the DAC A sense value to high */ +# define TVDAC_A_SENSE_CTL (1 << 26) +/** Sets the DAC B sense value to high */ +# define TVDAC_B_SENSE_CTL (1 << 25) +/** Sets the DAC C sense value to high */ +# define TVDAC_C_SENSE_CTL (1 << 24) +/** Overrides the ENC_ENABLE and DAC voltage levels */ +# define DAC_CTL_OVERRIDE (1 << 7) +/** Sets the slew rate. Must be preserved in software */ +# define ENC_TVDAC_SLEW_FAST (1 << 6) +# define DAC_A_1_3_V (0 << 4) +# define DAC_A_1_1_V (1 << 4) +# define DAC_A_0_7_V (2 << 4) +# define DAC_A_MASK (3 << 4) +# define DAC_B_1_3_V (0 << 2) +# define DAC_B_1_1_V (1 << 2) +# define DAC_B_0_7_V (2 << 2) +# define DAC_B_MASK (3 << 2) +# define DAC_C_1_3_V (0 << 0) +# define DAC_C_1_1_V (1 << 0) +# define DAC_C_0_7_V (2 << 0) +# define DAC_C_MASK (3 << 0) + +/** + * CSC coefficients are stored in a floating point format with 9 bits of + * mantissa and 2 or 3 bits of exponent. The exponent is represented as 2**-n, + * where 2-bit exponents are unsigned n, and 3-bit exponents are signed n with + * -1 (0x3) being the only legal negative value. + */ +#define TV_CSC_Y 0x68010 +# define TV_RY_MASK 0x07ff0000 +# define TV_RY_SHIFT 16 +# define TV_GY_MASK 0x00000fff +# define TV_GY_SHIFT 0 + +#define TV_CSC_Y2 0x68014 +# define TV_BY_MASK 0x07ff0000 +# define TV_BY_SHIFT 16 +/** + * Y attenuation for component video. + * + * Stored in 1.9 fixed point. + */ +# define TV_AY_MASK 0x000003ff +# define TV_AY_SHIFT 0 + +#define TV_CSC_U 0x68018 +# define TV_RU_MASK 0x07ff0000 +# define TV_RU_SHIFT 16 +# define TV_GU_MASK 0x000007ff +# define TV_GU_SHIFT 0 + +#define TV_CSC_U2 0x6801c +# define TV_BU_MASK 0x07ff0000 +# define TV_BU_SHIFT 16 +/** + * U attenuation for component video. + * + * Stored in 1.9 fixed point. + */ +# define TV_AU_MASK 0x000003ff +# define TV_AU_SHIFT 0 + +#define TV_CSC_V 0x68020 +# define TV_RV_MASK 0x0fff0000 +# define TV_RV_SHIFT 16 +# define TV_GV_MASK 0x000007ff +# define TV_GV_SHIFT 0 + +#define TV_CSC_V2 0x68024 +# define TV_BV_MASK 0x07ff0000 +# define TV_BV_SHIFT 16 +/** + * V attenuation for component video. + * + * Stored in 1.9 fixed point. + */ +# define TV_AV_MASK 0x000007ff +# define TV_AV_SHIFT 0 + +#define TV_CLR_KNOBS 0x68028 +/** 2s-complement brightness adjustment */ +# define TV_BRIGHTNESS_MASK 0xff000000 +# define TV_BRIGHTNESS_SHIFT 24 +/** Contrast adjustment, as a 2.6 unsigned floating point number */ +# define TV_CONTRAST_MASK 0x00ff0000 +# define TV_CONTRAST_SHIFT 16 +/** Saturation adjustment, as a 2.6 unsigned floating point number */ +# define TV_SATURATION_MASK 0x0000ff00 +# define TV_SATURATION_SHIFT 8 +/** Hue adjustment, as an integer phase angle in degrees */ +# define TV_HUE_MASK 0x000000ff +# define TV_HUE_SHIFT 0 + +#define TV_CLR_LEVEL 0x6802c +/** Controls the DAC level for black */ +# define TV_BLACK_LEVEL_MASK 0x01ff0000 +# define TV_BLACK_LEVEL_SHIFT 16 +/** Controls the DAC level for blanking */ +# define TV_BLANK_LEVEL_MASK 0x000001ff +# define TV_BLANK_LEVEL_SHIFT 0 + +#define TV_H_CTL_1 0x68030 +/** Number of pixels in the hsync. */ +# define TV_HSYNC_END_MASK 0x1fff0000 +# define TV_HSYNC_END_SHIFT 16 +/** Total number of pixels minus one in the line (display and blanking). */ +# define TV_HTOTAL_MASK 0x00001fff +# define TV_HTOTAL_SHIFT 0 + +#define TV_H_CTL_2 0x68034 +/** Enables the colorburst (needed for non-component color) */ +# define TV_BURST_ENA (1 << 31) +/** Offset of the colorburst from the start of hsync, in pixels minus one. */ +# define TV_HBURST_START_SHIFT 16 +# define TV_HBURST_START_MASK 0x1fff0000 +/** Length of the colorburst */ +# define TV_HBURST_LEN_SHIFT 0 +# define TV_HBURST_LEN_MASK 0x0001fff + +#define TV_H_CTL_3 0x68038 +/** End of hblank, measured in pixels minus one from start of hsync */ +# define TV_HBLANK_END_SHIFT 16 +# define TV_HBLANK_END_MASK 0x1fff0000 +/** Start of hblank, measured in pixels minus one from start of hsync */ +# define TV_HBLANK_START_SHIFT 0 +# define TV_HBLANK_START_MASK 0x0001fff + +#define TV_V_CTL_1 0x6803c +/** XXX */ +# define TV_NBR_END_SHIFT 16 +# define TV_NBR_END_MASK 0x07ff0000 +/** XXX */ +# define TV_VI_END_F1_SHIFT 8 +# define TV_VI_END_F1_MASK 0x00003f00 +/** XXX */ +# define TV_VI_END_F2_SHIFT 0 +# define TV_VI_END_F2_MASK 0x0000003f + +#define TV_V_CTL_2 0x68040 +/** Length of vsync, in half lines */ +# define TV_VSYNC_LEN_MASK 0x07ff0000 +# define TV_VSYNC_LEN_SHIFT 16 +/** Offset of the start of vsync in field 1, measured in one less than the + * number of half lines. + */ +# define TV_VSYNC_START_F1_MASK 0x00007f00 +# define TV_VSYNC_START_F1_SHIFT 8 +/** + * Offset of the start of vsync in field 2, measured in one less than the + * number of half lines. + */ +# define TV_VSYNC_START_F2_MASK 0x0000007f +# define TV_VSYNC_START_F2_SHIFT 0 + +#define TV_V_CTL_3 0x68044 +/** Enables generation of the equalization signal */ +# define TV_EQUAL_ENA (1 << 31) +/** Length of vsync, in half lines */ +# define TV_VEQ_LEN_MASK 0x007f0000 +# define TV_VEQ_LEN_SHIFT 16 +/** Offset of the start of equalization in field 1, measured in one less than + * the number of half lines. + */ +# define TV_VEQ_START_F1_MASK 0x0007f00 +# define TV_VEQ_START_F1_SHIFT 8 +/** + * Offset of the start of equalization in field 2, measured in one less than + * the number of half lines. + */ +# define TV_VEQ_START_F2_MASK 0x000007f +# define TV_VEQ_START_F2_SHIFT 0 + +#define TV_V_CTL_4 0x68048 +/** + * Offset to start of vertical colorburst, measured in one less than the + * number of lines from vertical start. + */ +# define TV_VBURST_START_F1_MASK 0x003f0000 +# define TV_VBURST_START_F1_SHIFT 16 +/** + * Offset to the end of vertical colorburst, measured in one less than the + * number of lines from the start of NBR. + */ +# define TV_VBURST_END_F1_MASK 0x000000ff +# define TV_VBURST_END_F1_SHIFT 0 + +#define TV_V_CTL_5 0x6804c +/** + * Offset to start of vertical colorburst, measured in one less than the + * number of lines from vertical start. + */ +# define TV_VBURST_START_F2_MASK 0x003f0000 +# define TV_VBURST_START_F2_SHIFT 16 +/** + * Offset to the end of vertical colorburst, measured in one less than the + * number of lines from the start of NBR. + */ +# define TV_VBURST_END_F2_MASK 0x000000ff +# define TV_VBURST_END_F2_SHIFT 0 + +#define TV_V_CTL_6 0x68050 +/** + * Offset to start of vertical colorburst, measured in one less than the + * number of lines from vertical start. + */ +# define TV_VBURST_START_F3_MASK 0x003f0000 +# define TV_VBURST_START_F3_SHIFT 16 +/** + * Offset to the end of vertical colorburst, measured in one less than the + * number of lines from the start of NBR. + */ +# define TV_VBURST_END_F3_MASK 0x000000ff +# define TV_VBURST_END_F3_SHIFT 0 + +#define TV_V_CTL_7 0x68054 +/** + * Offset to start of vertical colorburst, measured in one less than the + * number of lines from vertical start. + */ +# define TV_VBURST_START_F4_MASK 0x003f0000 +# define TV_VBURST_START_F4_SHIFT 16 +/** + * Offset to the end of vertical colorburst, measured in one less than the + * number of lines from the start of NBR. + */ +# define TV_VBURST_END_F4_MASK 0x000000ff +# define TV_VBURST_END_F4_SHIFT 0 + +#define TV_SC_CTL_1 0x68060 +/** Turns on the first subcarrier phase generation DDA */ +# define TV_SC_DDA1_EN (1 << 31) +/** Turns on the first subcarrier phase generation DDA */ +# define TV_SC_DDA2_EN (1 << 30) +/** Turns on the first subcarrier phase generation DDA */ +# define TV_SC_DDA3_EN (1 << 29) +/** Sets the subcarrier DDA to reset frequency every other field */ +# define TV_SC_RESET_EVERY_2 (0 << 24) +/** Sets the subcarrier DDA to reset frequency every fourth field */ +# define TV_SC_RESET_EVERY_4 (1 << 24) +/** Sets the subcarrier DDA to reset frequency every eighth field */ +# define TV_SC_RESET_EVERY_8 (2 << 24) +/** Sets the subcarrier DDA to never reset the frequency */ +# define TV_SC_RESET_NEVER (3 << 24) +/** Sets the peak amplitude of the colorburst.*/ +# define TV_BURST_LEVEL_MASK 0x00ff0000 +# define TV_BURST_LEVEL_SHIFT 16 +/** Sets the increment of the first subcarrier phase generation DDA */ +# define TV_SCDDA1_INC_MASK 0x00000fff +# define TV_SCDDA1_INC_SHIFT 0 + +#define TV_SC_CTL_2 0x68064 +/** Sets the rollover for the second subcarrier phase generation DDA */ +# define TV_SCDDA2_SIZE_MASK 0x7fff0000 +# define TV_SCDDA2_SIZE_SHIFT 16 +/** Sets the increent of the second subcarrier phase generation DDA */ +# define TV_SCDDA2_INC_MASK 0x00007fff +# define TV_SCDDA2_INC_SHIFT 0 + +#define TV_SC_CTL_3 0x68068 +/** Sets the rollover for the third subcarrier phase generation DDA */ +# define TV_SCDDA3_SIZE_MASK 0x7fff0000 +# define TV_SCDDA3_SIZE_SHIFT 16 +/** Sets the increent of the third subcarrier phase generation DDA */ +# define TV_SCDDA3_INC_MASK 0x00007fff +# define TV_SCDDA3_INC_SHIFT 0 + +#define TV_WIN_POS 0x68070 +/** X coordinate of the display from the start of horizontal active */ +# define TV_XPOS_MASK 0x1fff0000 +# define TV_XPOS_SHIFT 16 +/** Y coordinate of the display from the start of vertical active (NBR) */ +# define TV_YPOS_MASK 0x00000fff +# define TV_YPOS_SHIFT 0 + +#define TV_WIN_SIZE 0x68074 +/** Horizontal size of the display window, measured in pixels*/ +# define TV_XSIZE_MASK 0x1fff0000 +# define TV_XSIZE_SHIFT 16 +/** + * Vertical size of the display window, measured in pixels. + * + * Must be even for interlaced modes. + */ +# define TV_YSIZE_MASK 0x00000fff +# define TV_YSIZE_SHIFT 0 + +#define TV_FILTER_CTL_1 0x68080 +/** + * Enables automatic scaling calculation. + * + * If set, the rest of the registers are ignored, and the calculated values can + * be read back from the register. + */ +# define TV_AUTO_SCALE (1 << 31) +/** + * Disables the vertical filter. + * + * This is required on modes more than 1024 pixels wide */ +# define TV_V_FILTER_BYPASS (1 << 29) +/** Enables adaptive vertical filtering */ +# define TV_VADAPT (1 << 28) +# define TV_VADAPT_MODE_MASK (3 << 26) +/** Selects the least adaptive vertical filtering mode */ +# define TV_VADAPT_MODE_LEAST (0 << 26) +/** Selects the moderately adaptive vertical filtering mode */ +# define TV_VADAPT_MODE_MODERATE (1 << 26) +/** Selects the most adaptive vertical filtering mode */ +# define TV_VADAPT_MODE_MOST (3 << 26) +/** + * Sets the horizontal scaling factor. + * + * This should be the fractional part of the horizontal scaling factor divided + * by the oversampling rate. TV_HSCALE should be less than 1, and set to: + * + * (src width - 1) / ((oversample * dest width) - 1) + */ +# define TV_HSCALE_FRAC_MASK 0x00003fff +# define TV_HSCALE_FRAC_SHIFT 0 + +#define TV_FILTER_CTL_2 0x68084 +/** + * Sets the integer part of the 3.15 fixed-point vertical scaling factor. + * + * TV_VSCALE should be (src height - 1) / ((interlace * dest height) - 1) + */ +# define TV_VSCALE_INT_MASK 0x00038000 +# define TV_VSCALE_INT_SHIFT 15 +/** + * Sets the fractional part of the 3.15 fixed-point vertical scaling factor. + * + * \sa TV_VSCALE_INT_MASK + */ +# define TV_VSCALE_FRAC_MASK 0x00007fff +# define TV_VSCALE_FRAC_SHIFT 0 + +#define TV_FILTER_CTL_3 0x68088 +/** + * Sets the integer part of the 3.15 fixed-point vertical scaling factor. + * + * TV_VSCALE should be (src height - 1) / (1/4 * (dest height - 1)) + * + * For progressive modes, TV_VSCALE_IP_INT should be set to zeroes. + */ +# define TV_VSCALE_IP_INT_MASK 0x00038000 +# define TV_VSCALE_IP_INT_SHIFT 15 +/** + * Sets the fractional part of the 3.15 fixed-point vertical scaling factor. + * + * For progressive modes, TV_VSCALE_IP_INT should be set to zeroes. + * + * \sa TV_VSCALE_IP_INT_MASK + */ +# define TV_VSCALE_IP_FRAC_MASK 0x00007fff +# define TV_VSCALE_IP_FRAC_SHIFT 0 + +#define TV_CC_CONTROL 0x68090 +# define TV_CC_ENABLE (1 << 31) +/** + * Specifies which field to send the CC data in. + * + * CC data is usually sent in field 0. + */ +# define TV_CC_FID_MASK (1 << 27) +# define TV_CC_FID_SHIFT 27 +/** Sets the horizontal position of the CC data. Usually 135. */ +# define TV_CC_HOFF_MASK 0x03ff0000 +# define TV_CC_HOFF_SHIFT 16 +/** Sets the vertical position of the CC data. Usually 21 */ +# define TV_CC_LINE_MASK 0x0000003f +# define TV_CC_LINE_SHIFT 0 + +#define TV_CC_DATA 0x68094 +# define TV_CC_RDY (1 << 31) +/** Second word of CC data to be transmitted. */ +# define TV_CC_DATA_2_MASK 0x007f0000 +# define TV_CC_DATA_2_SHIFT 16 +/** First word of CC data to be transmitted. */ +# define TV_CC_DATA_1_MASK 0x0000007f +# define TV_CC_DATA_1_SHIFT 0 + +#define TV_H_LUMA_0 0x68100 +#define TV_H_LUMA_59 0x681ec +#define TV_H_CHROMA_0 0x68200 +#define TV_H_CHROMA_59 0x682ec +#define TV_V_LUMA_0 0x68300 +#define TV_V_LUMA_42 0x683a8 +#define TV_V_CHROMA_0 0x68400 +#define TV_V_CHROMA_42 0x684a8 + +/* Display Port */ +#define DP_A 0x64000 /* eDP */ +#define DP_B 0x64100 +#define DP_C 0x64200 +#define DP_D 0x64300 + +#define DP_PORT_EN (1 << 31) +#define DP_PIPEB_SELECT (1 << 30) +#define DP_PIPE_MASK (1 << 30) + +/* Link training mode - select a suitable mode for each stage */ +#define DP_LINK_TRAIN_PAT_1 (0 << 28) +#define DP_LINK_TRAIN_PAT_2 (1 << 28) +#define DP_LINK_TRAIN_PAT_IDLE (2 << 28) +#define DP_LINK_TRAIN_OFF (3 << 28) +#define DP_LINK_TRAIN_MASK (3 << 28) +#define DP_LINK_TRAIN_SHIFT 28 + +/* CPT Link training mode */ +#define DP_LINK_TRAIN_PAT_1_CPT (0 << 8) +#define DP_LINK_TRAIN_PAT_2_CPT (1 << 8) +#define DP_LINK_TRAIN_PAT_IDLE_CPT (2 << 8) +#define DP_LINK_TRAIN_OFF_CPT (3 << 8) +#define DP_LINK_TRAIN_MASK_CPT (7 << 8) +#define DP_LINK_TRAIN_SHIFT_CPT 8 + +/* Signal voltages. These are mostly controlled by the other end */ +#define DP_VOLTAGE_0_4 (0 << 25) +#define DP_VOLTAGE_0_6 (1 << 25) +#define DP_VOLTAGE_0_8 (2 << 25) +#define DP_VOLTAGE_1_2 (3 << 25) +#define DP_VOLTAGE_MASK (7 << 25) +#define DP_VOLTAGE_SHIFT 25 + +/* Signal pre-emphasis levels, like voltages, the other end tells us what + * they want + */ +#define DP_PRE_EMPHASIS_0 (0 << 22) +#define DP_PRE_EMPHASIS_3_5 (1 << 22) +#define DP_PRE_EMPHASIS_6 (2 << 22) +#define DP_PRE_EMPHASIS_9_5 (3 << 22) +#define DP_PRE_EMPHASIS_MASK (7 << 22) +#define DP_PRE_EMPHASIS_SHIFT 22 + +/* How many wires to use. I guess 3 was too hard */ +#define DP_PORT_WIDTH_1 (0 << 19) +#define DP_PORT_WIDTH_2 (1 << 19) +#define DP_PORT_WIDTH_4 (3 << 19) +#define DP_PORT_WIDTH_MASK (7 << 19) + +/* Mystic DPCD version 1.1 special mode */ +#define DP_ENHANCED_FRAMING (1 << 18) + +/* eDP */ +#define DP_PLL_FREQ_270MHZ (0 << 16) +#define DP_PLL_FREQ_160MHZ (1 << 16) +#define DP_PLL_FREQ_MASK (3 << 16) + +/** locked once port is enabled */ +#define DP_PORT_REVERSAL (1 << 15) + +/* eDP */ +#define DP_PLL_ENABLE (1 << 14) + +/** sends the clock on lane 15 of the PEG for debug */ +#define DP_CLOCK_OUTPUT_ENABLE (1 << 13) + +#define DP_SCRAMBLING_DISABLE (1 << 12) +#define DP_SCRAMBLING_DISABLE_IRONLAKE (1 << 7) + +/** limit RGB values to avoid confusing TVs */ +#define DP_COLOR_RANGE_16_235 (1 << 8) + +/** Turn on the audio link */ +#define DP_AUDIO_OUTPUT_ENABLE (1 << 6) + +/** vs and hs sync polarity */ +#define DP_SYNC_VS_HIGH (1 << 4) +#define DP_SYNC_HS_HIGH (1 << 3) + +/** A fantasy */ +#define DP_DETECTED (1 << 2) + +/** The aux channel provides a way to talk to the + * signal sink for DDC etc. Max packet size supported + * is 20 bytes in each direction, hence the 5 fixed + * data registers + */ +#define DPA_AUX_CH_CTL 0x64010 +#define DPA_AUX_CH_DATA1 0x64014 +#define DPA_AUX_CH_DATA2 0x64018 +#define DPA_AUX_CH_DATA3 0x6401c +#define DPA_AUX_CH_DATA4 0x64020 +#define DPA_AUX_CH_DATA5 0x64024 + +#define DPB_AUX_CH_CTL 0x64110 +#define DPB_AUX_CH_DATA1 0x64114 +#define DPB_AUX_CH_DATA2 0x64118 +#define DPB_AUX_CH_DATA3 0x6411c +#define DPB_AUX_CH_DATA4 0x64120 +#define DPB_AUX_CH_DATA5 0x64124 + +#define DPC_AUX_CH_CTL 0x64210 +#define DPC_AUX_CH_DATA1 0x64214 +#define DPC_AUX_CH_DATA2 0x64218 +#define DPC_AUX_CH_DATA3 0x6421c +#define DPC_AUX_CH_DATA4 0x64220 +#define DPC_AUX_CH_DATA5 0x64224 + +#define DPD_AUX_CH_CTL 0x64310 +#define DPD_AUX_CH_DATA1 0x64314 +#define DPD_AUX_CH_DATA2 0x64318 +#define DPD_AUX_CH_DATA3 0x6431c +#define DPD_AUX_CH_DATA4 0x64320 +#define DPD_AUX_CH_DATA5 0x64324 + +#define DP_AUX_CH_CTL_SEND_BUSY (1 << 31) +#define DP_AUX_CH_CTL_DONE (1 << 30) +#define DP_AUX_CH_CTL_INTERRUPT (1 << 29) +#define DP_AUX_CH_CTL_TIME_OUT_ERROR (1 << 28) +#define DP_AUX_CH_CTL_TIME_OUT_400us (0 << 26) +#define DP_AUX_CH_CTL_TIME_OUT_600us (1 << 26) +#define DP_AUX_CH_CTL_TIME_OUT_800us (2 << 26) +#define DP_AUX_CH_CTL_TIME_OUT_1600us (3 << 26) +#define DP_AUX_CH_CTL_TIME_OUT_MASK (3 << 26) +#define DP_AUX_CH_CTL_RECEIVE_ERROR (1 << 25) +#define DP_AUX_CH_CTL_MESSAGE_SIZE_MASK (0x1f << 20) +#define DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT 20 +#define DP_AUX_CH_CTL_PRECHARGE_2US_MASK (0xf << 16) +#define DP_AUX_CH_CTL_PRECHARGE_2US_SHIFT 16 +#define DP_AUX_CH_CTL_AUX_AKSV_SELECT (1 << 15) +#define DP_AUX_CH_CTL_MANCHESTER_TEST (1 << 14) +#define DP_AUX_CH_CTL_SYNC_TEST (1 << 13) +#define DP_AUX_CH_CTL_DEGLITCH_TEST (1 << 12) +#define DP_AUX_CH_CTL_PRECHARGE_TEST (1 << 11) +#define DP_AUX_CH_CTL_BIT_CLOCK_2X_MASK (0x7ff) +#define DP_AUX_CH_CTL_BIT_CLOCK_2X_SHIFT 0 + +/* + * Computing GMCH M and N values for the Display Port link + * + * GMCH M/N = dot clock * bytes per pixel / ls_clk * # of lanes + * + * ls_clk (we assume) is the DP link clock (1.62 or 2.7 GHz) + * + * The GMCH value is used internally + * + * bytes_per_pixel is the number of bytes coming out of the plane, + * which is after the LUTs, so we want the bytes for our color format. + * For our current usage, this is always 3, one byte for R, G and B. + */ +#define _PIPEA_GMCH_DATA_M 0x70050 +#define _PIPEB_GMCH_DATA_M 0x71050 + +/* Transfer unit size for display port - 1, default is 0x3f (for TU size 64) */ +#define PIPE_GMCH_DATA_M_TU_SIZE_MASK (0x3f << 25) +#define PIPE_GMCH_DATA_M_TU_SIZE_SHIFT 25 + +#define PIPE_GMCH_DATA_M_MASK (0xffffff) + +#define _PIPEA_GMCH_DATA_N 0x70054 +#define _PIPEB_GMCH_DATA_N 0x71054 +#define PIPE_GMCH_DATA_N_MASK (0xffffff) + +/* + * Computing Link M and N values for the Display Port link + * + * Link M / N = pixel_clock / ls_clk + * + * (the DP spec calls pixel_clock the 'strm_clk') + * + * The Link value is transmitted in the Main Stream + * Attributes and VB-ID. + */ + +#define _PIPEA_DP_LINK_M 0x70060 +#define _PIPEB_DP_LINK_M 0x71060 +#define PIPEA_DP_LINK_M_MASK (0xffffff) + +#define _PIPEA_DP_LINK_N 0x70064 +#define _PIPEB_DP_LINK_N 0x71064 +#define PIPEA_DP_LINK_N_MASK (0xffffff) + +#define PIPE_GMCH_DATA_M(pipe) _PIPE(pipe, _PIPEA_GMCH_DATA_M, _PIPEB_GMCH_DATA_M) +#define PIPE_GMCH_DATA_N(pipe) _PIPE(pipe, _PIPEA_GMCH_DATA_N, _PIPEB_GMCH_DATA_N) +#define PIPE_DP_LINK_M(pipe) _PIPE(pipe, _PIPEA_DP_LINK_M, _PIPEB_DP_LINK_M) +#define PIPE_DP_LINK_N(pipe) _PIPE(pipe, _PIPEA_DP_LINK_N, _PIPEB_DP_LINK_N) + +/* Display & cursor control */ + +/* Pipe A */ +#define _PIPEADSL 0x70000 +#define DSL_LINEMASK 0x00000fff +#define _PIPEACONF 0x70008 +#define PIPECONF_ENABLE (1<<31) +#define PIPECONF_DISABLE 0 +#define PIPECONF_DOUBLE_WIDE (1<<30) +#define I965_PIPECONF_ACTIVE (1<<30) +#define PIPECONF_SINGLE_WIDE 0 +#define PIPECONF_PIPE_UNLOCKED 0 +#define PIPECONF_PIPE_LOCKED (1<<25) +#define PIPECONF_PALETTE 0 +#define PIPECONF_GAMMA (1<<24) +#define PIPECONF_FORCE_BORDER (1<<25) +#define PIPECONF_PROGRESSIVE (0 << 21) +#define PIPECONF_INTERLACE_W_FIELD_INDICATION (6 << 21) +#define PIPECONF_INTERLACE_FIELD_0_ONLY (7 << 21) +#define PIPECONF_CXSR_DOWNCLOCK (1<<16) +#define PIPECONF_BPP_MASK (0x000000e0) +#define PIPECONF_BPP_8 (0<<5) +#define PIPECONF_BPP_10 (1<<5) +#define PIPECONF_BPP_6 (2<<5) +#define PIPECONF_BPP_12 (3<<5) +#define PIPECONF_DITHER_EN (1<<4) +#define PIPECONF_DITHER_TYPE_MASK (0x0000000c) +#define PIPECONF_DITHER_TYPE_SP (0<<2) +#define PIPECONF_DITHER_TYPE_ST1 (1<<2) +#define PIPECONF_DITHER_TYPE_ST2 (2<<2) +#define PIPECONF_DITHER_TYPE_TEMP (3<<2) +#define _PIPEASTAT 0x70024 +#define PIPE_FIFO_UNDERRUN_STATUS (1UL<<31) +#define PIPE_CRC_ERROR_ENABLE (1UL<<29) +#define PIPE_CRC_DONE_ENABLE (1UL<<28) +#define PIPE_GMBUS_EVENT_ENABLE (1UL<<27) +#define PIPE_HOTPLUG_INTERRUPT_ENABLE (1UL<<26) +#define PIPE_VSYNC_INTERRUPT_ENABLE (1UL<<25) +#define PIPE_DISPLAY_LINE_COMPARE_ENABLE (1UL<<24) +#define PIPE_DPST_EVENT_ENABLE (1UL<<23) +#define PIPE_LEGACY_BLC_EVENT_ENABLE (1UL<<22) +#define PIPE_ODD_FIELD_INTERRUPT_ENABLE (1UL<<21) +#define PIPE_EVEN_FIELD_INTERRUPT_ENABLE (1UL<<20) +#define PIPE_HOTPLUG_TV_INTERRUPT_ENABLE (1UL<<18) /* pre-965 */ +#define PIPE_START_VBLANK_INTERRUPT_ENABLE (1UL<<18) /* 965 or later */ +#define PIPE_VBLANK_INTERRUPT_ENABLE (1UL<<17) +#define PIPE_OVERLAY_UPDATED_ENABLE (1UL<<16) +#define PIPE_CRC_ERROR_INTERRUPT_STATUS (1UL<<13) +#define PIPE_CRC_DONE_INTERRUPT_STATUS (1UL<<12) +#define PIPE_GMBUS_INTERRUPT_STATUS (1UL<<11) +#define PIPE_HOTPLUG_INTERRUPT_STATUS (1UL<<10) +#define PIPE_VSYNC_INTERRUPT_STATUS (1UL<<9) +#define PIPE_DISPLAY_LINE_COMPARE_STATUS (1UL<<8) +#define PIPE_DPST_EVENT_STATUS (1UL<<7) +#define PIPE_LEGACY_BLC_EVENT_STATUS (1UL<<6) +#define PIPE_ODD_FIELD_INTERRUPT_STATUS (1UL<<5) +#define PIPE_EVEN_FIELD_INTERRUPT_STATUS (1UL<<4) +#define PIPE_HOTPLUG_TV_INTERRUPT_STATUS (1UL<<2) /* pre-965 */ +#define PIPE_START_VBLANK_INTERRUPT_STATUS (1UL<<2) /* 965 or later */ +#define PIPE_VBLANK_INTERRUPT_STATUS (1UL<<1) +#define PIPE_OVERLAY_UPDATED_STATUS (1UL<<0) +#define PIPE_BPC_MASK (7 << 5) /* Ironlake */ +#define PIPE_8BPC (0 << 5) +#define PIPE_10BPC (1 << 5) +#define PIPE_6BPC (2 << 5) +#define PIPE_12BPC (3 << 5) + +#define PIPESRC(pipe) _PIPE(pipe, _PIPEASRC, _PIPEBSRC) +#define PIPECONF(pipe) _PIPE(pipe, _PIPEACONF, _PIPEBCONF) +#define PIPEDSL(pipe) _PIPE(pipe, _PIPEADSL, _PIPEBDSL) +#define PIPEFRAME(pipe) _PIPE(pipe, _PIPEAFRAMEHIGH, _PIPEBFRAMEHIGH) +#define PIPEFRAMEPIXEL(pipe) _PIPE(pipe, _PIPEAFRAMEPIXEL, _PIPEBFRAMEPIXEL) +#define PIPESTAT(pipe) _PIPE(pipe, _PIPEASTAT, _PIPEBSTAT) + +#define DSPARB 0x70030 +#define DSPARB_CSTART_MASK (0x7f << 7) +#define DSPARB_CSTART_SHIFT 7 +#define DSPARB_BSTART_MASK (0x7f) +#define DSPARB_BSTART_SHIFT 0 +#define DSPARB_BEND_SHIFT 9 /* on 855 */ +#define DSPARB_AEND_SHIFT 0 + +#define DSPFW1 0x70034 +#define DSPFW_SR_SHIFT 23 +#define DSPFW_SR_MASK (0x1ff<<23) +#define DSPFW_CURSORB_SHIFT 16 +#define DSPFW_CURSORB_MASK (0x3f<<16) +#define DSPFW_PLANEB_SHIFT 8 +#define DSPFW_PLANEB_MASK (0x7f<<8) +#define DSPFW_PLANEA_MASK (0x7f) +#define DSPFW2 0x70038 +#define DSPFW_CURSORA_MASK 0x00003f00 +#define DSPFW_CURSORA_SHIFT 8 +#define DSPFW_PLANEC_MASK (0x7f) +#define DSPFW3 0x7003c +#define DSPFW_HPLL_SR_EN (1<<31) +#define DSPFW_CURSOR_SR_SHIFT 24 +#define PINEVIEW_SELF_REFRESH_EN (1<<30) +#define DSPFW_CURSOR_SR_MASK (0x3f<<24) +#define DSPFW_HPLL_CURSOR_SHIFT 16 +#define DSPFW_HPLL_CURSOR_MASK (0x3f<<16) +#define DSPFW_HPLL_SR_MASK (0x1ff) + +/* FIFO watermark sizes etc */ +#define G4X_FIFO_LINE_SIZE 64 +#define I915_FIFO_LINE_SIZE 64 +#define I830_FIFO_LINE_SIZE 32 + +#define G4X_FIFO_SIZE 127 +#define I965_FIFO_SIZE 512 +#define I945_FIFO_SIZE 127 +#define I915_FIFO_SIZE 95 +#define I855GM_FIFO_SIZE 127 /* In cachelines */ +#define I830_FIFO_SIZE 95 + +#define G4X_MAX_WM 0x3f +#define I915_MAX_WM 0x3f + +#define PINEVIEW_DISPLAY_FIFO 512 /* in 64byte unit */ +#define PINEVIEW_FIFO_LINE_SIZE 64 +#define PINEVIEW_MAX_WM 0x1ff +#define PINEVIEW_DFT_WM 0x3f +#define PINEVIEW_DFT_HPLLOFF_WM 0 +#define PINEVIEW_GUARD_WM 10 +#define PINEVIEW_CURSOR_FIFO 64 +#define PINEVIEW_CURSOR_MAX_WM 0x3f +#define PINEVIEW_CURSOR_DFT_WM 0 +#define PINEVIEW_CURSOR_GUARD_WM 5 + +#define I965_CURSOR_FIFO 64 +#define I965_CURSOR_MAX_WM 32 +#define I965_CURSOR_DFT_WM 8 + +/* define the Watermark register on Ironlake */ +#define WM0_PIPEA_ILK 0x45100 +#define WM0_PIPE_PLANE_MASK (0x7f<<16) +#define WM0_PIPE_PLANE_SHIFT 16 +#define WM0_PIPE_SPRITE_MASK (0x3f<<8) +#define WM0_PIPE_SPRITE_SHIFT 8 +#define WM0_PIPE_CURSOR_MASK (0x1f) + +#define WM0_PIPEB_ILK 0x45104 +#define WM1_LP_ILK 0x45108 +#define WM1_LP_SR_EN (1<<31) +#define WM1_LP_LATENCY_SHIFT 24 +#define WM1_LP_LATENCY_MASK (0x7f<<24) +#define WM1_LP_FBC_MASK (0xf<<20) +#define WM1_LP_FBC_SHIFT 20 +#define WM1_LP_SR_MASK (0x1ff<<8) +#define WM1_LP_SR_SHIFT 8 +#define WM1_LP_CURSOR_MASK (0x3f) +#define WM2_LP_ILK 0x4510c +#define WM2_LP_EN (1<<31) +#define WM3_LP_ILK 0x45110 +#define WM3_LP_EN (1<<31) +#define WM1S_LP_ILK 0x45120 +#define WM1S_LP_EN (1<<31) + +/* Memory latency timer register */ +#define MLTR_ILK 0x11222 +#define MLTR_WM1_SHIFT 0 +#define MLTR_WM2_SHIFT 8 +/* the unit of memory self-refresh latency time is 0.5us */ +#define ILK_SRLT_MASK 0x3f +#define ILK_LATENCY(shift) (I915_READ(MLTR_ILK) >> (shift) & ILK_SRLT_MASK) +#define ILK_READ_WM1_LATENCY() ILK_LATENCY(MLTR_WM1_SHIFT) +#define ILK_READ_WM2_LATENCY() ILK_LATENCY(MLTR_WM2_SHIFT) + +/* define the fifo size on Ironlake */ +#define ILK_DISPLAY_FIFO 128 +#define ILK_DISPLAY_MAXWM 64 +#define ILK_DISPLAY_DFTWM 8 +#define ILK_CURSOR_FIFO 32 +#define ILK_CURSOR_MAXWM 16 +#define ILK_CURSOR_DFTWM 8 + +#define ILK_DISPLAY_SR_FIFO 512 +#define ILK_DISPLAY_MAX_SRWM 0x1ff +#define ILK_DISPLAY_DFT_SRWM 0x3f +#define ILK_CURSOR_SR_FIFO 64 +#define ILK_CURSOR_MAX_SRWM 0x3f +#define ILK_CURSOR_DFT_SRWM 8 + +#define ILK_FIFO_LINE_SIZE 64 + +/* define the WM info on Sandybridge */ +#define SNB_DISPLAY_FIFO 128 +#define SNB_DISPLAY_MAXWM 0x7f /* bit 16:22 */ +#define SNB_DISPLAY_DFTWM 8 +#define SNB_CURSOR_FIFO 32 +#define SNB_CURSOR_MAXWM 0x1f /* bit 4:0 */ +#define SNB_CURSOR_DFTWM 8 + +#define SNB_DISPLAY_SR_FIFO 512 +#define SNB_DISPLAY_MAX_SRWM 0x1ff /* bit 16:8 */ +#define SNB_DISPLAY_DFT_SRWM 0x3f +#define SNB_CURSOR_SR_FIFO 64 +#define SNB_CURSOR_MAX_SRWM 0x3f /* bit 5:0 */ +#define SNB_CURSOR_DFT_SRWM 8 + +#define SNB_FBC_MAX_SRWM 0xf /* bit 23:20 */ + +#define SNB_FIFO_LINE_SIZE 64 + + +/* the address where we get all kinds of latency value */ +#define SSKPD 0x5d10 +#define SSKPD_WM_MASK 0x3f +#define SSKPD_WM0_SHIFT 0 +#define SSKPD_WM1_SHIFT 8 +#define SSKPD_WM2_SHIFT 16 +#define SSKPD_WM3_SHIFT 24 + +#define SNB_LATENCY(shift) (I915_READ(MCHBAR_MIRROR_BASE_SNB + SSKPD) >> (shift) & SSKPD_WM_MASK) +#define SNB_READ_WM0_LATENCY() SNB_LATENCY(SSKPD_WM0_SHIFT) +#define SNB_READ_WM1_LATENCY() SNB_LATENCY(SSKPD_WM1_SHIFT) +#define SNB_READ_WM2_LATENCY() SNB_LATENCY(SSKPD_WM2_SHIFT) +#define SNB_READ_WM3_LATENCY() SNB_LATENCY(SSKPD_WM3_SHIFT) + +/* + * The two pipe frame counter registers are not synchronized, so + * reading a stable value is somewhat tricky. The following code + * should work: + * + * do { + * high1 = ((INREG(PIPEAFRAMEHIGH) & PIPE_FRAME_HIGH_MASK) >> + * PIPE_FRAME_HIGH_SHIFT; + * low1 = ((INREG(PIPEAFRAMEPIXEL) & PIPE_FRAME_LOW_MASK) >> + * PIPE_FRAME_LOW_SHIFT); + * high2 = ((INREG(PIPEAFRAMEHIGH) & PIPE_FRAME_HIGH_MASK) >> + * PIPE_FRAME_HIGH_SHIFT); + * } while (high1 != high2); + * frame = (high1 << 8) | low1; + */ +#define _PIPEAFRAMEHIGH 0x70040 +#define PIPE_FRAME_HIGH_MASK 0x0000ffff +#define PIPE_FRAME_HIGH_SHIFT 0 +#define _PIPEAFRAMEPIXEL 0x70044 +#define PIPE_FRAME_LOW_MASK 0xff000000 +#define PIPE_FRAME_LOW_SHIFT 24 +#define PIPE_PIXEL_MASK 0x00ffffff +#define PIPE_PIXEL_SHIFT 0 +/* GM45+ just has to be different */ +#define _PIPEA_FRMCOUNT_GM45 0x70040 +#define _PIPEA_FLIPCOUNT_GM45 0x70044 +#define PIPE_FRMCOUNT_GM45(pipe) _PIPE(pipe, _PIPEA_FRMCOUNT_GM45, _PIPEB_FRMCOUNT_GM45) + +/* Cursor A & B regs */ +#define _CURACNTR 0x70080 +/* Old style CUR*CNTR flags (desktop 8xx) */ +#define CURSOR_ENABLE 0x80000000 +#define CURSOR_GAMMA_ENABLE 0x40000000 +#define CURSOR_STRIDE_MASK 0x30000000 +#define CURSOR_FORMAT_SHIFT 24 +#define CURSOR_FORMAT_MASK (0x07 << CURSOR_FORMAT_SHIFT) +#define CURSOR_FORMAT_2C (0x00 << CURSOR_FORMAT_SHIFT) +#define CURSOR_FORMAT_3C (0x01 << CURSOR_FORMAT_SHIFT) +#define CURSOR_FORMAT_4C (0x02 << CURSOR_FORMAT_SHIFT) +#define CURSOR_FORMAT_ARGB (0x04 << CURSOR_FORMAT_SHIFT) +#define CURSOR_FORMAT_XRGB (0x05 << CURSOR_FORMAT_SHIFT) +/* New style CUR*CNTR flags */ +#define CURSOR_MODE 0x27 +#define CURSOR_MODE_DISABLE 0x00 +#define CURSOR_MODE_64_32B_AX 0x07 +#define CURSOR_MODE_64_ARGB_AX ((1 << 5) | CURSOR_MODE_64_32B_AX) +#define MCURSOR_PIPE_SELECT (1 << 28) +#define MCURSOR_PIPE_A 0x00 +#define MCURSOR_PIPE_B (1 << 28) +#define MCURSOR_GAMMA_ENABLE (1 << 26) +#define _CURABASE 0x70084 +#define _CURAPOS 0x70088 +#define CURSOR_POS_MASK 0x007FF +#define CURSOR_POS_SIGN 0x8000 +#define CURSOR_X_SHIFT 0 +#define CURSOR_Y_SHIFT 16 +#define CURSIZE 0x700a0 +#define _CURBCNTR 0x700c0 +#define _CURBBASE 0x700c4 +#define _CURBPOS 0x700c8 + +#define CURCNTR(pipe) _PIPE(pipe, _CURACNTR, _CURBCNTR) +#define CURBASE(pipe) _PIPE(pipe, _CURABASE, _CURBBASE) +#define CURPOS(pipe) _PIPE(pipe, _CURAPOS, _CURBPOS) + +/* Display A control */ +#define _DSPACNTR 0x70180 +#define DISPLAY_PLANE_ENABLE (1<<31) +#define DISPLAY_PLANE_DISABLE 0 +#define DISPPLANE_GAMMA_ENABLE (1<<30) +#define DISPPLANE_GAMMA_DISABLE 0 +#define DISPPLANE_PIXFORMAT_MASK (0xf<<26) +#define DISPPLANE_8BPP (0x2<<26) +#define DISPPLANE_15_16BPP (0x4<<26) +#define DISPPLANE_16BPP (0x5<<26) +#define DISPPLANE_32BPP_NO_ALPHA (0x6<<26) +#define DISPPLANE_32BPP (0x7<<26) +#define DISPPLANE_32BPP_30BIT_NO_ALPHA (0xa<<26) +#define DISPPLANE_STEREO_ENABLE (1<<25) +#define DISPPLANE_STEREO_DISABLE 0 +#define DISPPLANE_SEL_PIPE_SHIFT 24 +#define DISPPLANE_SEL_PIPE_MASK (3< +#include +#include +#include +#include +#include + +int init_agp(void); + +static char log[256]; + +u32_t drvEntry(int action, char *cmdline) +{ + struct pci_device_id *ent; + + int err = 0; + + if(action != 1) + return 0; + + if( GetService("DISPLAY") != 0 ) + return 0; + +// if( cmdline && *cmdline ) +// parse_cmdline(cmdline, &usermode, log, &radeon_modeset); + + if(!dbg_open(log)) + { + strcpy(log, "/RD/1/DRIVERS/i915.log"); + + if(!dbg_open(log)) + { + printf("Can't open %s\nExit\n", log); + return 0; + }; + } + dbgprintf("i915 RC01 cmdline %s\n", cmdline); + + enum_pci_devices(); + + err = i915_init(); + +// rdev = rdisplay->ddev->dev_private; + +// err = RegService("DISPLAY", display_handler); + +// if( err != 0) +// dbgprintf("Set DISPLAY handler\n"); + + return err; +}; + +#define PCI_CLASS_REVISION 0x08 +#define PCI_CLASS_DISPLAY_VGA 0x0300 +#define PCI_CLASS_BRIDGE_HOST 0x0600 + +int pci_scan_filter(u32_t id, u32_t busnr, u32_t devfn) +{ + u16_t vendor, device; + u32_t class; + int ret = 0; + + vendor = id & 0xffff; + device = (id >> 16) & 0xffff; + + if(vendor == 0x8086) + { + class = PciRead32(busnr, devfn, PCI_CLASS_REVISION); + class >>= 16; + + if( (class == PCI_CLASS_DISPLAY_VGA) || + (class == PCI_CLASS_BRIDGE_HOST) ) + ret = 1; + } + return ret; +}; diff --git a/drivers/video/drm/i915/pci.c b/drivers/video/drm/i915/pci.c new file mode 100644 index 0000000000..5b3f17d136 --- /dev/null +++ b/drivers/video/drm/i915/pci.c @@ -0,0 +1,571 @@ + +#include +#include +#include +#include +#include +#include + +extern int pci_scan_filter(u32_t id, u32_t busnr, u32_t devfn); + +static LIST_HEAD(devices); + +/* PCI control bits. Shares IORESOURCE_BITS with above PCI ROM. */ +#define IORESOURCE_PCI_FIXED (1<<4) /* Do not move resource */ + +#define LEGACY_IO_RESOURCE (IORESOURCE_IO | IORESOURCE_PCI_FIXED) + +/* + * Translate the low bits of the PCI base + * to the resource type + */ +static inline unsigned int pci_calc_resource_flags(unsigned int flags) +{ + if (flags & PCI_BASE_ADDRESS_SPACE_IO) + return IORESOURCE_IO; + + if (flags & PCI_BASE_ADDRESS_MEM_PREFETCH) + return IORESOURCE_MEM | IORESOURCE_PREFETCH; + + return IORESOURCE_MEM; +} + + +static u32_t pci_size(u32_t base, u32_t maxbase, u32_t mask) +{ + u32_t size = mask & maxbase; /* Find the significant bits */ + + if (!size) + return 0; + + /* Get the lowest of them to find the decode size, and + from that the extent. */ + size = (size & ~(size-1)) - 1; + + /* base == maxbase can be valid only if the BAR has + already been programmed with all 1s. */ + if (base == maxbase && ((base | size) & mask) != mask) + return 0; + + return size; +} + +static u64_t pci_size64(u64_t base, u64_t maxbase, u64_t mask) +{ + u64_t size = mask & maxbase; /* Find the significant bits */ + + if (!size) + return 0; + + /* Get the lowest of them to find the decode size, and + from that the extent. */ + size = (size & ~(size-1)) - 1; + + /* base == maxbase can be valid only if the BAR has + already been programmed with all 1s. */ + if (base == maxbase && ((base | size) & mask) != mask) + return 0; + + return size; +} + +static inline int is_64bit_memory(u32_t mask) +{ + if ((mask & (PCI_BASE_ADDRESS_SPACE|PCI_BASE_ADDRESS_MEM_TYPE_MASK)) == + (PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64)) + return 1; + return 0; +} + +static void pci_read_bases(struct pci_dev *dev, unsigned int howmany, int rom) +{ + u32_t pos, reg, next; + u32_t l, sz; + struct resource *res; + + for(pos=0; pos < howmany; pos = next) + { + u64_t l64; + u64_t sz64; + u32_t raw_sz; + + next = pos + 1; + + res = &dev->resource[pos]; + + reg = PCI_BASE_ADDRESS_0 + (pos << 2); + l = PciRead32(dev->busnr, dev->devfn, reg); + PciWrite32(dev->busnr, dev->devfn, reg, ~0); + sz = PciRead32(dev->busnr, dev->devfn, reg); + PciWrite32(dev->busnr, dev->devfn, reg, l); + + if (!sz || sz == 0xffffffff) + continue; + + if (l == 0xffffffff) + l = 0; + + raw_sz = sz; + if ((l & PCI_BASE_ADDRESS_SPACE) == + PCI_BASE_ADDRESS_SPACE_MEMORY) + { + sz = pci_size(l, sz, (u32_t)PCI_BASE_ADDRESS_MEM_MASK); + /* + * For 64bit prefetchable memory sz could be 0, if the + * real size is bigger than 4G, so we need to check + * szhi for that. + */ + if (!is_64bit_memory(l) && !sz) + continue; + res->start = l & PCI_BASE_ADDRESS_MEM_MASK; + res->flags |= l & ~PCI_BASE_ADDRESS_MEM_MASK; + } + else { + sz = pci_size(l, sz, PCI_BASE_ADDRESS_IO_MASK & 0xffff); + if (!sz) + continue; + res->start = l & PCI_BASE_ADDRESS_IO_MASK; + res->flags |= l & ~PCI_BASE_ADDRESS_IO_MASK; + } + res->end = res->start + (unsigned long) sz; + res->flags |= pci_calc_resource_flags(l); + if (is_64bit_memory(l)) + { + u32_t szhi, lhi; + + lhi = PciRead32(dev->busnr, dev->devfn, reg+4); + PciWrite32(dev->busnr, dev->devfn, reg+4, ~0); + szhi = PciRead32(dev->busnr, dev->devfn, reg+4); + PciWrite32(dev->busnr, dev->devfn, reg+4, lhi); + sz64 = ((u64_t)szhi << 32) | raw_sz; + l64 = ((u64_t)lhi << 32) | l; + sz64 = pci_size64(l64, sz64, PCI_BASE_ADDRESS_MEM_MASK); + next++; + +#if BITS_PER_LONG == 64 + if (!sz64) { + res->start = 0; + res->end = 0; + res->flags = 0; + continue; + } + res->start = l64 & PCI_BASE_ADDRESS_MEM_MASK; + res->end = res->start + sz64; +#else + if (sz64 > 0x100000000ULL) { + printk(KERN_ERR "PCI: Unable to handle 64-bit " + "BAR for device %s\n", pci_name(dev)); + res->start = 0; + res->flags = 0; + } + else if (lhi) + { + /* 64-bit wide address, treat as disabled */ + PciWrite32(dev->busnr, dev->devfn, reg, + l & ~(u32_t)PCI_BASE_ADDRESS_MEM_MASK); + PciWrite32(dev->busnr, dev->devfn, reg+4, 0); + res->start = 0; + res->end = sz; + } +#endif + } + } + + if ( rom ) + { + dev->rom_base_reg = rom; + res = &dev->resource[PCI_ROM_RESOURCE]; + + l = PciRead32(dev->busnr, dev->devfn, rom); + PciWrite32(dev->busnr, dev->devfn, rom, ~PCI_ROM_ADDRESS_ENABLE); + sz = PciRead32(dev->busnr, dev->devfn, rom); + PciWrite32(dev->busnr, dev->devfn, rom, l); + + if (l == 0xffffffff) + l = 0; + + if (sz && sz != 0xffffffff) + { + sz = pci_size(l, sz, (u32_t)PCI_ROM_ADDRESS_MASK); + + if (sz) + { + res->flags = (l & IORESOURCE_ROM_ENABLE) | + IORESOURCE_MEM | IORESOURCE_PREFETCH | + IORESOURCE_READONLY | IORESOURCE_CACHEABLE; + res->start = l & PCI_ROM_ADDRESS_MASK; + res->end = res->start + (unsigned long) sz; + } + } + } +} + +static void pci_read_irq(struct pci_dev *dev) +{ + u8_t irq; + + irq = PciRead8(dev->busnr, dev->devfn, PCI_INTERRUPT_PIN); + dev->pin = irq; + if (irq) + irq = PciRead8(dev->busnr, dev->devfn, PCI_INTERRUPT_LINE); + dev->irq = irq; +}; + + +int pci_setup_device(struct pci_dev *dev) +{ + u32_t class; + + class = PciRead32(dev->busnr, dev->devfn, PCI_CLASS_REVISION); + dev->revision = class & 0xff; + class >>= 8; /* upper 3 bytes */ + dev->class = class; + + /* "Unknown power state" */ +// dev->current_state = PCI_UNKNOWN; + + /* Early fixups, before probing the BARs */ + // pci_fixup_device(pci_fixup_early, dev); + class = dev->class >> 8; + + switch (dev->hdr_type) + { + case PCI_HEADER_TYPE_NORMAL: /* standard header */ + if (class == PCI_CLASS_BRIDGE_PCI) + goto bad; + pci_read_irq(dev); + pci_read_bases(dev, 6, PCI_ROM_ADDRESS); + dev->subsystem_vendor = PciRead16(dev->busnr, dev->devfn,PCI_SUBSYSTEM_VENDOR_ID); + dev->subsystem_device = PciRead16(dev->busnr, dev->devfn, PCI_SUBSYSTEM_ID); + + /* + * Do the ugly legacy mode stuff here rather than broken chip + * quirk code. Legacy mode ATA controllers have fixed + * addresses. These are not always echoed in BAR0-3, and + * BAR0-3 in a few cases contain junk! + */ + if (class == PCI_CLASS_STORAGE_IDE) + { + u8_t progif; + + progif = PciRead8(dev->busnr, dev->devfn,PCI_CLASS_PROG); + if ((progif & 1) == 0) + { + dev->resource[0].start = 0x1F0; + dev->resource[0].end = 0x1F7; + dev->resource[0].flags = LEGACY_IO_RESOURCE; + dev->resource[1].start = 0x3F6; + dev->resource[1].end = 0x3F6; + dev->resource[1].flags = LEGACY_IO_RESOURCE; + } + if ((progif & 4) == 0) + { + dev->resource[2].start = 0x170; + dev->resource[2].end = 0x177; + dev->resource[2].flags = LEGACY_IO_RESOURCE; + dev->resource[3].start = 0x376; + dev->resource[3].end = 0x376; + dev->resource[3].flags = LEGACY_IO_RESOURCE; + }; + } + break; + + case PCI_HEADER_TYPE_BRIDGE: /* bridge header */ + if (class != PCI_CLASS_BRIDGE_PCI) + goto bad; + /* The PCI-to-PCI bridge spec requires that subtractive + decoding (i.e. transparent) bridge must have programming + interface code of 0x01. */ + pci_read_irq(dev); + dev->transparent = ((dev->class & 0xff) == 1); + pci_read_bases(dev, 2, PCI_ROM_ADDRESS1); + break; + + case PCI_HEADER_TYPE_CARDBUS: /* CardBus bridge header */ + if (class != PCI_CLASS_BRIDGE_CARDBUS) + goto bad; + pci_read_irq(dev); + pci_read_bases(dev, 1, 0); + dev->subsystem_vendor = PciRead16(dev->busnr, + dev->devfn, + PCI_CB_SUBSYSTEM_VENDOR_ID); + + dev->subsystem_device = PciRead16(dev->busnr, + dev->devfn, + PCI_CB_SUBSYSTEM_ID); + break; + + default: /* unknown header */ + printk(KERN_ERR "PCI: device %s has unknown header type %02x, ignoring.\n", + pci_name(dev), dev->hdr_type); + return -1; + + bad: + printk(KERN_ERR "PCI: %s: class %x doesn't match header type %02x. Ignoring class.\n", + pci_name(dev), class, dev->hdr_type); + dev->class = PCI_CLASS_NOT_DEFINED; + } + + /* We found a fine healthy device, go go go... */ + + return 0; +}; + +static pci_dev_t* pci_scan_device(u32_t busnr, int devfn) +{ + pci_dev_t *dev; + + u32_t id; + u8_t hdr; + + int timeout = 10; + + id = PciRead32(busnr, devfn, PCI_VENDOR_ID); + + /* some broken boards return 0 or ~0 if a slot is empty: */ + if (id == 0xffffffff || id == 0x00000000 || + id == 0x0000ffff || id == 0xffff0000) + return NULL; + + while (id == 0xffff0001) + { + + delay(timeout/10); + timeout *= 2; + + id = PciRead32(busnr, devfn, PCI_VENDOR_ID); + + /* Card hasn't responded in 60 seconds? Must be stuck. */ + if (timeout > 60 * 100) + { + printk(KERN_WARNING "Device %04x:%02x:%02x.%d not " + "responding\n", busnr,PCI_SLOT(devfn),PCI_FUNC(devfn)); + return NULL; + } + }; + + if( pci_scan_filter(id, busnr, devfn) == 0) + return NULL; + + hdr = PciRead8(busnr, devfn, PCI_HEADER_TYPE); + + dev = (pci_dev_t*)kzalloc(sizeof(pci_dev_t), 0); + + INIT_LIST_HEAD(&dev->link); + + if(unlikely(dev == NULL)) + return NULL; + + dev->pci_dev.busnr = busnr; + dev->pci_dev.devfn = devfn; + dev->pci_dev.hdr_type = hdr & 0x7f; + dev->pci_dev.multifunction = !!(hdr & 0x80); + dev->pci_dev.vendor = id & 0xffff; + dev->pci_dev.device = (id >> 16) & 0xffff; + + pci_setup_device(&dev->pci_dev); + + return dev; + +}; + + + + +int pci_scan_slot(u32_t bus, int devfn) +{ + int func, nr = 0; + + for (func = 0; func < 8; func++, devfn++) + { + pci_dev_t *dev; + + dev = pci_scan_device(bus, devfn); + if( dev ) + { + list_add(&dev->link, &devices); + + nr++; + + /* + * If this is a single function device, + * don't scan past the first function. + */ + if (!dev->pci_dev.multifunction) + { + if (func > 0) { + dev->pci_dev.multifunction = 1; + } + else { + break; + } + } + } + else { + if (func == 0) + break; + } + }; + + return nr; +}; + +#define PCI_FIND_CAP_TTL 48 + +static int __pci_find_next_cap_ttl(unsigned int bus, unsigned int devfn, + u8 pos, int cap, int *ttl) +{ + u8 id; + + while ((*ttl)--) { + pos = PciRead8(bus, devfn, pos); + if (pos < 0x40) + break; + pos &= ~3; + id = PciRead8(bus, devfn, pos + PCI_CAP_LIST_ID); + if (id == 0xff) + break; + if (id == cap) + return pos; + pos += PCI_CAP_LIST_NEXT; + } + return 0; +} + +static int __pci_find_next_cap(unsigned int bus, unsigned int devfn, + u8 pos, int cap) +{ + int ttl = PCI_FIND_CAP_TTL; + + return __pci_find_next_cap_ttl(bus, devfn, pos, cap, &ttl); +} + +static int __pci_bus_find_cap_start(unsigned int bus, + unsigned int devfn, u8 hdr_type) +{ + u16 status; + + status = PciRead16(bus, devfn, PCI_STATUS); + if (!(status & PCI_STATUS_CAP_LIST)) + return 0; + + switch (hdr_type) { + case PCI_HEADER_TYPE_NORMAL: + case PCI_HEADER_TYPE_BRIDGE: + return PCI_CAPABILITY_LIST; + case PCI_HEADER_TYPE_CARDBUS: + return PCI_CB_CAPABILITY_LIST; + default: + return 0; + } + + return 0; +} + + +int pci_find_capability(struct pci_dev *dev, int cap) +{ + int pos; + + pos = __pci_bus_find_cap_start(dev->busnr, dev->devfn, dev->hdr_type); + if (pos) + pos = __pci_find_next_cap(dev->busnr, dev->devfn, pos, cap); + + return pos; +} + + + + +int enum_pci_devices() +{ + pci_dev_t *dev; + u32_t last_bus; + u32_t bus = 0 , devfn = 0; + + + last_bus = PciApi(1); + + + if( unlikely(last_bus == -1)) + return -1; + + for(;bus <= last_bus; bus++) + { + for (devfn = 0; devfn < 0x100; devfn += 8) + pci_scan_slot(bus, devfn); + + + } + for(dev = (pci_dev_t*)devices.next; + &dev->link != &devices; + dev = (pci_dev_t*)dev->link.next) + { + dbgprintf("PCI device %x:%x bus:%x devfn:%x\n", + dev->pci_dev.vendor, + dev->pci_dev.device, + dev->pci_dev.bus, + dev->pci_dev.devfn); + + } + return 0; +} + +const struct pci_device_id* find_pci_device(pci_dev_t* pdev, const struct pci_device_id *idlist) +{ + pci_dev_t *dev; + const struct pci_device_id *ent; + + for(dev = (pci_dev_t*)devices.next; + &dev->link != &devices; + dev = (pci_dev_t*)dev->link.next) + { + if( dev->pci_dev.vendor != idlist->vendor ) + continue; + + for(ent = idlist; ent->vendor != 0; ent++) + { + if(unlikely(ent->device == dev->pci_dev.device)) + { + pdev->pci_dev = dev->pci_dev; + return ent; + } + }; + } + + return NULL; +}; + +struct pci_dev * +pci_get_device(unsigned int vendor, unsigned int device, struct pci_dev *from) +{ + pci_dev_t *dev; + + dev = (pci_dev_t*)devices.next; + + if(from != NULL) + { + for(; &dev->link != &devices; + dev = (pci_dev_t*)dev->link.next) + { + if( &dev->pci_dev == from) + { + dev = (pci_dev_t*)dev->link.next; + break; + }; + } + }; + + for(; &dev->link != &devices; + dev = (pci_dev_t*)dev->link.next) + { + if( dev->pci_dev.vendor != vendor ) + continue; + + if(dev->pci_dev.device == device) + { + return &dev->pci_dev; + } + } + return NULL; +};