pci.h revision 1.48
1 /* $NetBSD: pci.h,v 1.48 2021/12/19 11:09:47 riastradh Exp $ */ 2 3 /*- 4 * Copyright (c) 2013 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Taylor R. Campbell. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _LINUX_PCI_H_ 33 #define _LINUX_PCI_H_ 34 35 #ifdef _KERNEL_OPT 36 #if defined(i386) || defined(amd64) || defined(__aarch64__) 37 #include "acpica.h" 38 #else /* !(i386 || amd64) */ 39 #define NACPICA 0 40 #endif /* i386 || amd64 */ 41 #endif 42 43 #include <sys/types.h> 44 #include <sys/param.h> 45 #include <sys/bus.h> 46 #include <sys/cdefs.h> 47 #include <sys/kmem.h> 48 #include <sys/systm.h> 49 50 #include <machine/limits.h> 51 52 #include <dev/pci/pcidevs.h> 53 #include <dev/pci/pcireg.h> 54 #include <dev/pci/pcivar.h> 55 #include <dev/pci/agpvar.h> 56 57 #include <linux/device.h> 58 #include <linux/dma-mapping.h> 59 #include <linux/errno.h> 60 #include <linux/io.h> 61 #include <linux/interrupt.h> 62 #include <linux/ioport.h> 63 #include <linux/kernel.h> 64 65 struct acpi_devnode; 66 struct pci_driver; 67 68 struct pci_bus { 69 /* NetBSD private members */ 70 pci_chipset_tag_t pb_pc; 71 device_t pb_dev; 72 73 /* Linux API */ 74 u_int number; 75 }; 76 77 struct pci_device_id { 78 uint32_t vendor; 79 uint32_t device; 80 uint32_t subvendor; 81 uint32_t subdevice; 82 uint32_t class; 83 uint32_t class_mask; 84 unsigned long driver_data; 85 }; 86 87 #define PCI_ANY_ID (~0) 88 89 #define PCI_BASE_CLASS_DISPLAY PCI_CLASS_DISPLAY 90 91 #define PCI_CLASS_DISPLAY_VGA \ 92 ((PCI_CLASS_DISPLAY << 8) | PCI_SUBCLASS_DISPLAY_VGA) 93 #define PCI_CLASS_BRIDGE_ISA \ 94 ((PCI_CLASS_BRIDGE << 8) | PCI_SUBCLASS_BRIDGE_ISA) 95 CTASSERT(PCI_CLASS_BRIDGE_ISA == 0x0601); 96 97 /* XXX This is getting silly... */ 98 #define PCI_VENDOR_ID_APPLE PCI_VENDOR_APPLE 99 #define PCI_VENDOR_ID_ASUSTEK PCI_VENDOR_ASUSTEK 100 #define PCI_VENDOR_ID_ATI PCI_VENDOR_ATI 101 #define PCI_VENDOR_ID_DELL PCI_VENDOR_DELL 102 #define PCI_VENDOR_ID_IBM PCI_VENDOR_IBM 103 #define PCI_VENDOR_ID_HP PCI_VENDOR_HP 104 #define PCI_VENDOR_ID_INTEL PCI_VENDOR_INTEL 105 #define PCI_VENDOR_ID_NVIDIA PCI_VENDOR_NVIDIA 106 #define PCI_VENDOR_ID_SI PCI_VENDOR_SIS 107 #define PCI_VENDOR_ID_SONY PCI_VENDOR_SONY 108 #define PCI_VENDOR_ID_VIA PCI_VENDOR_VIATECH 109 110 #define PCI_SUBVENDOR_ID_REDHAT_QUMRANET 0x1af4 111 112 #define PCI_DEVICE_ID_ATI_RADEON_QY PCI_PRODUCT_ATI_RADEON_RV100_QY 113 114 #define PCI_SUBDEVICE_ID_QEMU 0x1100 115 116 #define PCI_DEVFN(DEV, FN) \ 117 (__SHIFTIN((DEV), __BITS(3, 7)) | __SHIFTIN((FN), __BITS(0, 2))) 118 #define PCI_SLOT(DEVFN) __SHIFTOUT((DEVFN), __BITS(3, 7)) 119 #define PCI_FUNC(DEVFN) __SHIFTOUT((DEVFN), __BITS(0, 2)) 120 121 #define PCI_NUM_RESOURCES ((PCI_MAPREG_END - PCI_MAPREG_START) / 4) 122 #define DEVICE_COUNT_RESOURCE PCI_NUM_RESOURCES 123 124 #define PCI_CAP_ID_AGP PCI_CAP_AGP 125 126 typedef int pci_power_t; 127 128 #define PCI_D0 0 129 #define PCI_D1 1 130 #define PCI_D2 2 131 #define PCI_D3hot 3 132 #define PCI_D3cold 4 133 134 #define __pci_iomem 135 136 struct pci_dev { 137 struct pci_attach_args pd_pa; 138 int pd_kludges; /* Gotta lose 'em... */ 139 #define NBPCI_KLUDGE_GET_MUMBLE 0x01 140 #define NBPCI_KLUDGE_MAP_ROM 0x02 141 bus_space_tag_t pd_rom_bst; 142 bus_space_handle_t pd_rom_bsh; 143 bus_size_t pd_rom_size; 144 bus_space_handle_t pd_rom_found_bsh; 145 bus_size_t pd_rom_found_size; 146 void *pd_rom_vaddr; 147 device_t pd_dev; 148 void *pd_drvdata; 149 struct { 150 pcireg_t type; 151 bus_addr_t addr; 152 bus_size_t size; 153 int flags; 154 bus_space_tag_t bst; 155 bus_space_handle_t bsh; 156 void __pci_iomem *kva; 157 bool mapped; 158 } pd_resources[PCI_NUM_RESOURCES]; 159 struct pci_conf_state *pd_saved_state; 160 struct acpi_devnode *pd_ad; 161 pci_intr_handle_t *pd_intr_handles; 162 unsigned pd_enablecnt; 163 164 /* Linx API only below */ 165 struct pci_bus *bus; 166 uint32_t devfn; 167 uint16_t vendor; 168 uint16_t device; 169 uint16_t subsystem_vendor; 170 uint16_t subsystem_device; 171 uint8_t revision; 172 uint32_t class; 173 bool msi_enabled; 174 bool no_64bit_msi; 175 }; 176 177 enum pci_bus_speed { 178 PCI_SPEED_UNKNOWN, 179 PCIE_SPEED_2_5GT, 180 PCIE_SPEED_5_0GT, 181 PCIE_SPEED_8_0GT, 182 PCIE_SPEED_16_0GT, 183 }; 184 185 #define PCIBIOS_MIN_MEM 0x100000 /* XXX bogus x86 kludge bollocks */ 186 187 #define __pci_rom_iomem 188 189 /* Namespace. */ 190 #define pci_bus_alloc_resource linux_pci_bus_alloc_resource 191 #define pci_bus_read_config_byte linux_pci_bus_read_config_byte 192 #define pci_bus_read_config_dword linux_pci_bus_read_config_dword 193 #define pci_bus_read_config_word linux_pci_bus_read_config_word 194 #define pci_bus_write_config_byte linux_pci_bus_write_config_byte 195 #define pci_bus_write_config_dword linux_pci_bus_write_config_dword 196 #define pci_bus_write_config_word linux_pci_bus_write_config_word 197 #define pci_clear_master linux_pci_clear_master 198 #define pci_dev_dev linux_pci_dev_dev 199 #define pci_dev_put linux_pci_dev_put 200 #define pci_disable_msi linux_pci_disable_msi 201 #define pci_disable_rom linux_pci_disable_rom 202 #define pci_dma_supported linux_pci_dma_supported 203 #define pci_domain_nr linux_pci_domain_nr 204 #define pci_enable_msi linux_pci_enable_msi 205 #define pci_enable_rom linux_pci_enable_rom 206 #define pci_find_capability linux_pci_find_capability 207 #define pci_get_class linux_pci_get_class 208 #define pci_get_domain_bus_and_slot linux_pci_get_domain_bus_and_slot 209 #define pci_get_drvdata linux_pci_get_drvdata 210 #define pci_iomap linux_pci_iomap 211 #define pci_iounmap linux_pci_iounmap 212 #define pci_is_pcie linux_pci_is_pcie 213 #define pci_is_root_bus linux_pci_is_root_bus 214 #define pci_is_thunderbolt_attached linux_pci_is_thunderbolt_attached 215 #define pci_map_rom linux_pci_map_rom 216 #define pci_platform_rom linux_pci_platform_rom 217 #define pci_read_config_byte linux_pci_read_config_byte 218 #define pci_read_config_dword linux_pci_read_config_dword 219 #define pci_read_config_word linux_pci_read_config_word 220 #define pci_resource_end linux_pci_resource_end 221 #define pci_resource_flags linux_pci_resource_flags 222 #define pci_resource_len linux_pci_resource_len 223 #define pci_resource_start linux_pci_resource_start 224 #define pci_restore_state linux_pci_restore_state 225 #define pci_save_state linux_pci_save_state 226 #define pci_set_drvdata linux_pci_set_drvdata 227 #define pci_set_master linux_pci_set_master 228 #define pci_unmap_rom linux_pci_unmap_rom 229 #define pci_write_config_byte linux_pci_write_config_byte 230 #define pci_write_config_dword linux_pci_write_config_dword 231 #define pci_write_config_word linux_pci_write_config_word 232 #define pcibios_align_resource linux_pcibios_align_resource 233 234 /* NetBSD local additions. */ 235 void linux_pci_dev_init(struct pci_dev *, device_t, device_t, 236 const struct pci_attach_args *, int); 237 void linux_pci_dev_destroy(struct pci_dev *); 238 239 /* NetBSD no-renames because use requires review. */ 240 int linux_pci_enable_device(struct pci_dev *); 241 void linux_pci_disable_device(struct pci_dev *); 242 243 bool pci_is_root_bus(struct pci_bus *); 244 int pci_domain_nr(struct pci_bus *); 245 246 device_t pci_dev_dev(struct pci_dev *); 247 void pci_set_drvdata(struct pci_dev *, void *); 248 void * pci_get_drvdata(struct pci_dev *); 249 250 int pci_find_capability(struct pci_dev *, int); 251 bool pci_is_pcie(struct pci_dev *); 252 bool pci_dma_supported(struct pci_dev *, uintmax_t); 253 bool pci_is_thunderbolt_attached(struct pci_dev *); 254 255 int pci_read_config_dword(struct pci_dev *, int, uint32_t *); 256 int pci_read_config_word(struct pci_dev *, int, uint16_t *); 257 int pci_read_config_byte(struct pci_dev *, int, uint8_t *); 258 int pci_write_config_dword(struct pci_dev *, int, uint32_t); 259 int pci_write_config_word(struct pci_dev *, int, uint16_t); 260 int pci_write_config_byte(struct pci_dev *, int, uint8_t); 261 262 int pci_bus_read_config_dword(struct pci_bus *, unsigned, int, 263 uint32_t *); 264 int pci_bus_read_config_word(struct pci_bus *, unsigned, int, 265 uint16_t *); 266 int pci_bus_read_config_byte(struct pci_bus *, unsigned, int, 267 uint8_t *); 268 int pci_bus_write_config_dword(struct pci_bus *, unsigned, int, 269 uint32_t); 270 int pci_bus_write_config_word(struct pci_bus *, unsigned, int, 271 uint16_t); 272 int pci_bus_write_config_byte(struct pci_bus *, unsigned, int, 273 uint8_t); 274 275 int pci_enable_msi(struct pci_dev *); 276 void pci_disable_msi(struct pci_dev *); 277 void pci_set_master(struct pci_dev *); 278 void pci_clear_master(struct pci_dev *); 279 280 bus_addr_t pcibios_align_resource(void *, const struct resource *, 281 bus_addr_t, bus_size_t); 282 int pci_bus_alloc_resource(struct pci_bus *, struct resource *, 283 bus_size_t, bus_size_t, bus_addr_t, int, 284 bus_addr_t (*)(void *, const struct resource *, bus_addr_t, 285 bus_size_t), struct pci_dev *); 286 287 /* XXX Kludges only -- do not use without checking the implementation! */ 288 struct pci_dev *pci_get_domain_bus_and_slot(int, int, int); 289 struct pci_dev *pci_get_class(uint32_t, struct pci_dev *); /* i915 kludge */ 290 void pci_dev_put(struct pci_dev *); 291 292 void __pci_rom_iomem * 293 pci_map_rom(struct pci_dev *, size_t *); 294 void __pci_rom_iomem * 295 pci_platform_rom(struct pci_dev *, size_t *); 296 void pci_unmap_rom(struct pci_dev *, void __pci_rom_iomem *); 297 int pci_enable_rom(struct pci_dev *); 298 void pci_disable_rom(struct pci_dev *); 299 300 bus_addr_t pci_resource_start(struct pci_dev *, unsigned); 301 bus_size_t pci_resource_len(struct pci_dev *, unsigned); 302 bus_addr_t pci_resource_end(struct pci_dev *, unsigned); 303 int pci_resource_flags(struct pci_dev *, unsigned); 304 305 void __pci_iomem * 306 pci_iomap(struct pci_dev *, unsigned, bus_size_t); 307 void pci_iounmap(struct pci_dev *, void __pci_iomem *); 308 309 void pci_save_state(struct pci_dev *); 310 void pci_restore_state(struct pci_dev *); 311 312 static inline bool 313 dev_is_pci(struct device *dev) 314 { 315 struct device *parent = device_parent(dev); 316 317 return parent && device_is_a(parent, "pci"); 318 } 319 320 #endif /* _LINUX_PCI_H_ */ 321
Indexes created Tue Sep 30 20:09:53 GMT 2025