pci.h revision 1.50
1193323Sed/* $NetBSD: pci.h,v 1.50 2021/12/19 12:00:16 riastradh Exp $ */ 2193323Sed 3193323Sed/*- 4193323Sed * Copyright (c) 2013 The NetBSD Foundation, Inc. 5193323Sed * All rights reserved. 6193323Sed * 7193323Sed * This code is derived from software contributed to The NetBSD Foundation 8193323Sed * by Taylor R. Campbell. 9193323Sed * 10193323Sed * Redistribution and use in source and binary forms, with or without 11193323Sed * modification, are permitted provided that the following conditions 12193323Sed * are met: 13193323Sed * 1. Redistributions of source code must retain the above copyright 14193323Sed * notice, this list of conditions and the following disclaimer. 15193323Sed * 2. Redistributions in binary form must reproduce the above copyright 16193323Sed * notice, this list of conditions and the following disclaimer in the 17249423Sdim * documentation and/or other materials provided with the distribution. 18193323Sed * 19193323Sed * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20249423Sdim * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21249423Sdim * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22249423Sdim * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23249423Sdim * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24263508Sdim * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25193323Sed * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26193323Sed * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27193323Sed * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28193323Sed * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29193323Sed * POSSIBILITY OF SUCH DAMAGE. 30195340Sed */ 31249423Sdim 32193323Sed#ifndef _LINUX_PCI_H_ 33193323Sed#define _LINUX_PCI_H_ 34193323Sed 35193323Sed#ifdef _KERNEL_OPT 36193323Sed#if defined(i386) || defined(amd64) || defined(__aarch64__) 37193323Sed#include "acpica.h" 38249423Sdim#else /* !(i386 || amd64) */ 39193323Sed#define NACPICA 0 40193323Sed#endif /* i386 || amd64 */ 41193323Sed#endif 42193323Sed 43193323Sed#include <sys/types.h> 44193323Sed#include <sys/param.h> 45193323Sed#include <sys/bus.h> 46193323Sed#include <sys/cdefs.h> 47193323Sed#include <sys/kmem.h> 48224145Sdim#include <sys/systm.h> 49193323Sed 50224145Sdim#include <machine/limits.h> 51193323Sed 52193323Sed#include <dev/pci/pcidevs.h> 53193323Sed#include <dev/pci/pcireg.h> 54193323Sed#include <dev/pci/pcivar.h> 55193323Sed#include <dev/pci/agpvar.h> 56193323Sed 57193323Sed#include <linux/device.h> 58193323Sed#include <linux/dma-mapping.h> 59193323Sed#include <linux/errno.h> 60193323Sed#include <linux/io.h> 61249423Sdim#include <linux/interrupt.h> 62193323Sed#include <linux/ioport.h> 63193323Sed#include <linux/kernel.h> 64193323Sed 65193323Sedstruct acpi_devnode; 66249423Sdimstruct pci_driver; 67193323Sed 68193323Sedstruct pci_bus { 69193323Sed /* NetBSD private members */ 70193323Sed pci_chipset_tag_t pb_pc; 71249423Sdim device_t pb_dev; 72193323Sed 73193323Sed /* Linux API */ 74193323Sed u_int number; 75193323Sed}; 76193323Sed 77193323Sedstruct pci_device_id { 78193323Sed uint32_t vendor; 79249423Sdim uint32_t device; 80226633Sdim uint32_t subvendor; 81226633Sdim uint32_t subdevice; 82249423Sdim uint32_t class; 83193323Sed uint32_t class_mask; 84249423Sdim unsigned long driver_data; 85193323Sed}; 86193323Sed 87193323Sed#define PCI_DEVICE(VENDOR, DEVICE) \ 88193323Sed .vendor = (VENDOR), \ 89193323Sed .device = (DEVICE) 90198090Srdivacky 91198090Srdivacky#define PCI_ANY_ID (~0) 92198090Srdivacky 93198090Srdivacky#define PCI_BASE_CLASS_DISPLAY PCI_CLASS_DISPLAY 94198090Srdivacky 95198090Srdivacky#define PCI_CLASS_DISPLAY_VGA \ 96198090Srdivacky ((PCI_CLASS_DISPLAY << 8) | PCI_SUBCLASS_DISPLAY_VGA) 97249423Sdim#define PCI_CLASS_BRIDGE_ISA \ 98198892Srdivacky ((PCI_CLASS_BRIDGE << 8) | PCI_SUBCLASS_BRIDGE_ISA) 99198090SrdivackyCTASSERT(PCI_CLASS_BRIDGE_ISA == 0x0601); 100198090Srdivacky 101198090Srdivacky/* XXX This is getting silly... */ 102198090Srdivacky#define PCI_VENDOR_ID_APPLE PCI_VENDOR_APPLE 103198090Srdivacky#define PCI_VENDOR_ID_ASUSTEK PCI_VENDOR_ASUSTEK 104198090Srdivacky#define PCI_VENDOR_ID_ATI PCI_VENDOR_ATI 105198090Srdivacky#define PCI_VENDOR_ID_DELL PCI_VENDOR_DELL 106198090Srdivacky#define PCI_VENDOR_ID_IBM PCI_VENDOR_IBM 107198090Srdivacky#define PCI_VENDOR_ID_HP PCI_VENDOR_HP 108198090Srdivacky#define PCI_VENDOR_ID_INTEL PCI_VENDOR_INTEL 109198090Srdivacky#define PCI_VENDOR_ID_NVIDIA PCI_VENDOR_NVIDIA 110249423Sdim#define PCI_VENDOR_ID_SI PCI_VENDOR_SIS 111198090Srdivacky#define PCI_VENDOR_ID_SONY PCI_VENDOR_SONY 112198090Srdivacky#define PCI_VENDOR_ID_VIA PCI_VENDOR_VIATECH 113198090Srdivacky 114198090Srdivacky#define PCI_SUBVENDOR_ID_REDHAT_QUMRANET 0x1af4 115249423Sdim 116198090Srdivacky#define PCI_DEVICE_ID_ATI_RADEON_QY PCI_PRODUCT_ATI_RADEON_RV100_QY 117198090Srdivacky 118198090Srdivacky#define PCI_SUBDEVICE_ID_QEMU 0x1100 119198090Srdivacky 120198090Srdivacky#define PCI_DEVFN(DEV, FN) \ 121198090Srdivacky (__SHIFTIN((DEV), __BITS(3, 7)) | __SHIFTIN((FN), __BITS(0, 2))) 122198090Srdivacky#define PCI_SLOT(DEVFN) __SHIFTOUT((DEVFN), __BITS(3, 7)) 123198090Srdivacky#define PCI_FUNC(DEVFN) __SHIFTOUT((DEVFN), __BITS(0, 2)) 124198090Srdivacky 125203954Srdivacky#define PCI_NUM_RESOURCES ((PCI_MAPREG_END - PCI_MAPREG_START) / 4) 126198892Srdivacky#define DEVICE_COUNT_RESOURCE PCI_NUM_RESOURCES 127203954Srdivacky 128193323Sed#define PCI_CAP_ID_AGP PCI_CAP_AGP 129203954Srdivacky 130234353Sdimtypedef int pci_power_t; 131193323Sed 132234353Sdim#define PCI_D0 0 133234353Sdim#define PCI_D1 1 134234353Sdim#define PCI_D2 2 135249423Sdim#define PCI_D3hot 3 136224145Sdim#define PCI_D3cold 4 137193323Sed 138198090Srdivacky#define __pci_iomem 139198090Srdivacky 140234353Sdimstruct pci_dev { 141198090Srdivacky struct pci_attach_args pd_pa; 142193323Sed int pd_kludges; /* Gotta lose 'em... */ 143193323Sed#define NBPCI_KLUDGE_GET_MUMBLE 0x01 144263508Sdim#define NBPCI_KLUDGE_MAP_ROM 0x02 145249423Sdim bus_space_tag_t pd_rom_bst; 146263508Sdim bus_space_handle_t pd_rom_bsh; 147263508Sdim bus_size_t pd_rom_size; 148193323Sed bus_space_handle_t pd_rom_found_bsh; 149193323Sed bus_size_t pd_rom_found_size; 150193323Sed void *pd_rom_vaddr; 151249423Sdim device_t pd_dev; 152249423Sdim void *pd_drvdata; 153249423Sdim struct { 154249423Sdim pcireg_t type; 155249423Sdim bus_addr_t addr; 156193323Sed bus_size_t size; 157193323Sed int flags; 158193323Sed bus_space_tag_t bst; 159249423Sdim bus_space_handle_t bsh; 160193323Sed void __pci_iomem *kva; 161193323Sed bool mapped; 162193323Sed } pd_resources[PCI_NUM_RESOURCES]; 163193323Sed struct pci_conf_state *pd_saved_state; 164249423Sdim struct acpi_devnode *pd_ad; 165193323Sed pci_intr_handle_t *pd_intr_handles; 166193323Sed unsigned pd_enablecnt; 167193323Sed 168212904Sdim /* Linx API only below */ 169212904Sdim struct pci_bus *bus; 170212904Sdim uint32_t devfn; 171249423Sdim uint16_t vendor; 172234353Sdim uint16_t device; 173234353Sdim uint16_t subsystem_vendor; 174234353Sdim uint16_t subsystem_device; 175234353Sdim uint8_t revision; 176249423Sdim uint32_t class; 177193323Sed bool msi_enabled; 178203954Srdivacky bool no_64bit_msi; 179203954Srdivacky}; 180203954Srdivacky 181249423Sdimenum pci_bus_speed { 182198892Srdivacky PCI_SPEED_UNKNOWN, 183198892Srdivacky PCIE_SPEED_2_5GT, 184198892Srdivacky PCIE_SPEED_5_0GT, 185198892Srdivacky PCIE_SPEED_8_0GT, 186212904Sdim PCIE_SPEED_16_0GT, 187243830Sdim}; 188243830Sdim 189243830Sdim#define PCIBIOS_MIN_MEM 0x100000 /* XXX bogus x86 kludge bollocks */ 190243830Sdim 191243830Sdim#define __pci_rom_iomem 192243830Sdim 193243830Sdim/* Namespace. */ 194243830Sdim#define pci_bus_alloc_resource linux_pci_bus_alloc_resource 195243830Sdim#define pci_bus_read_config_byte linux_pci_bus_read_config_byte 196263508Sdim#define pci_bus_read_config_dword linux_pci_bus_read_config_dword 197263508Sdim#define pci_bus_read_config_word linux_pci_bus_read_config_word 198193323Sed#define pci_bus_write_config_byte linux_pci_bus_write_config_byte 199263508Sdim#define pci_bus_write_config_dword linux_pci_bus_write_config_dword 200263508Sdim#define pci_bus_write_config_word linux_pci_bus_write_config_word 201263508Sdim#define pci_clear_master linux_pci_clear_master 202263508Sdim#define pci_dev_dev linux_pci_dev_dev 203263508Sdim#define pci_dev_present linux_pci_dev_present 204263508Sdim#define pci_dev_put linux_pci_dev_put 205263508Sdim#define pci_disable_msi linux_pci_disable_msi 206263508Sdim#define pci_disable_rom linux_pci_disable_rom 207263508Sdim#define pci_dma_supported linux_pci_dma_supported 208263508Sdim#define pci_domain_nr linux_pci_domain_nr 209263508Sdim#define pci_enable_msi linux_pci_enable_msi 210263508Sdim#define pci_enable_rom linux_pci_enable_rom 211263508Sdim#define pci_find_capability linux_pci_find_capability 212263508Sdim#define pci_get_class linux_pci_get_class 213263508Sdim#define pci_get_domain_bus_and_slot linux_pci_get_domain_bus_and_slot 214263508Sdim#define pci_get_drvdata linux_pci_get_drvdata 215263508Sdim#define pci_iomap linux_pci_iomap 216263508Sdim#define pci_iounmap linux_pci_iounmap 217263508Sdim#define pci_is_pcie linux_pci_is_pcie 218263508Sdim#define pci_is_root_bus linux_pci_is_root_bus 219263508Sdim#define pci_is_thunderbolt_attached linux_pci_is_thunderbolt_attached 220263508Sdim#define pci_map_rom linux_pci_map_rom 221263508Sdim#define pci_name linux_pci_name 222263508Sdim#define pci_platform_rom linux_pci_platform_rom 223263508Sdim#define pci_read_config_byte linux_pci_read_config_byte 224263508Sdim#define pci_read_config_dword linux_pci_read_config_dword 225263508Sdim#define pci_read_config_word linux_pci_read_config_word 226201360Srdivacky#define pci_resource_end linux_pci_resource_end 227203954Srdivacky#define pci_resource_flags linux_pci_resource_flags 228234353Sdim#define pci_resource_len linux_pci_resource_len 229263508Sdim#define pci_resource_start linux_pci_resource_start 230243830Sdim#define pci_restore_state linux_pci_restore_state 231193323Sed#define pci_save_state linux_pci_save_state 232234353Sdim#define pci_set_drvdata linux_pci_set_drvdata 233234353Sdim#define pci_set_master linux_pci_set_master 234234353Sdim#define pci_unmap_rom linux_pci_unmap_rom 235263508Sdim#define pci_write_config_byte linux_pci_write_config_byte 236243830Sdim#define pci_write_config_dword linux_pci_write_config_dword 237234353Sdim#define pci_write_config_word linux_pci_write_config_word 238193323Sed#define pcibios_align_resource linux_pcibios_align_resource 239193323Sed 240193323Sed/* NetBSD local additions. */ 241234353Sdimvoid linux_pci_dev_init(struct pci_dev *, device_t, device_t, 242234353Sdim const struct pci_attach_args *, int); 243234353Sdimvoid linux_pci_dev_destroy(struct pci_dev *); 244193323Sed 245249423Sdim/* NetBSD no-renames because use requires review. */ 246203954Srdivackyint linux_pci_enable_device(struct pci_dev *); 247203954Srdivackyvoid linux_pci_disable_device(struct pci_dev *); 248203954Srdivacky 249249423Sdimbool pci_is_root_bus(struct pci_bus *); 250203954Srdivackyint pci_domain_nr(struct pci_bus *); 251203954Srdivacky 252263508Sdimdevice_t pci_dev_dev(struct pci_dev *); 253263508Sdimvoid pci_set_drvdata(struct pci_dev *, void *); 254203954Srdivackyvoid * pci_get_drvdata(struct pci_dev *); 255193323Sedconst char * pci_name(struct pci_dev *); 256193323Sed 257193323Sedint pci_find_capability(struct pci_dev *, int); 258263508Sdimbool pci_is_pcie(struct pci_dev *); 259218893Sdimbool pci_dma_supported(struct pci_dev *, uintmax_t); 260218893Sdimbool pci_is_thunderbolt_attached(struct pci_dev *); 261218893Sdim 262263508Sdimint pci_read_config_dword(struct pci_dev *, int, uint32_t *); 263243830Sdimint pci_read_config_word(struct pci_dev *, int, uint16_t *); 264243830Sdimint pci_read_config_byte(struct pci_dev *, int, uint8_t *); 265243830Sdimint pci_write_config_dword(struct pci_dev *, int, uint32_t); 266193323Sedint pci_write_config_word(struct pci_dev *, int, uint16_t); 267224145Sdimint pci_write_config_byte(struct pci_dev *, int, uint8_t); 268226633Sdim 269224145Sdimint pci_bus_read_config_dword(struct pci_bus *, unsigned, int, 270198090Srdivacky uint32_t *); 271224145Sdimint pci_bus_read_config_word(struct pci_bus *, unsigned, int, 272193323Sed uint16_t *); 273193323Sedint pci_bus_read_config_byte(struct pci_bus *, unsigned, int, 274193323Sed uint8_t *); 275193323Sedint pci_bus_write_config_dword(struct pci_bus *, unsigned, int, 276193323Sed uint32_t); 277249423Sdimint pci_bus_write_config_word(struct pci_bus *, unsigned, int, 278193323Sed uint16_t); 279193323Sedint pci_bus_write_config_byte(struct pci_bus *, unsigned, int, 280249423Sdim uint8_t); 281193323Sed 282249423Sdimint pci_enable_msi(struct pci_dev *); 283193323Sedvoid pci_disable_msi(struct pci_dev *); 284193323Sedvoid pci_set_master(struct pci_dev *); 285193323Sedvoid pci_clear_master(struct pci_dev *); 286263508Sdim 287193323Sedbus_addr_t pcibios_align_resource(void *, const struct resource *, 288193323Sed bus_addr_t, bus_size_t); 289193323Sedint pci_bus_alloc_resource(struct pci_bus *, struct resource *, 290243830Sdim bus_size_t, bus_size_t, bus_addr_t, int, 291243830Sdim bus_addr_t (*)(void *, const struct resource *, bus_addr_t, 292243830Sdim bus_size_t), struct pci_dev *); 293193323Sed 294193323Sed/* XXX Kludges only -- do not use without checking the implementation! */ 295193323Sedstruct pci_dev *pci_get_domain_bus_and_slot(int, int, int); 296193323Sedstruct pci_dev *pci_get_class(uint32_t, struct pci_dev *); /* i915 kludge */ 297193323Sedint pci_dev_present(const struct pci_device_id *); 298193323Sedvoid pci_dev_put(struct pci_dev *); 299193323Sed 300193323Sedvoid __pci_rom_iomem * 301243830Sdim pci_map_rom(struct pci_dev *, size_t *); 302193323Sedvoid __pci_rom_iomem * 303193323Sed pci_platform_rom(struct pci_dev *, size_t *); 304193323Sedvoid pci_unmap_rom(struct pci_dev *, void __pci_rom_iomem *); 305193323Sedint pci_enable_rom(struct pci_dev *); 306243830Sdimvoid pci_disable_rom(struct pci_dev *); 307243830Sdim 308243830Sdimbus_addr_t pci_resource_start(struct pci_dev *, unsigned); 309243830Sdimbus_size_t pci_resource_len(struct pci_dev *, unsigned); 310263508Sdimbus_addr_t pci_resource_end(struct pci_dev *, unsigned); 311243830Sdimint pci_resource_flags(struct pci_dev *, unsigned); 312243830Sdim 313243830Sdimvoid __pci_iomem * 314243830Sdim pci_iomap(struct pci_dev *, unsigned, bus_size_t); 315243830Sdimvoid pci_iounmap(struct pci_dev *, void __pci_iomem *); 316243830Sdim 317243830Sdimvoid pci_save_state(struct pci_dev *); 318243830Sdimvoid pci_restore_state(struct pci_dev *); 319243830Sdim 320263508Sdimstatic inline bool 321243830Sdimdev_is_pci(struct device *dev) 322243830Sdim{ 323193323Sed struct device *parent = device_parent(dev); 324193323Sed 325193323Sed return parent && device_is_a(parent, "pci"); 326243830Sdim} 327243830Sdim 328263508Sdim#endif /* _LINUX_PCI_H_ */ 329243830Sdim