pci.h revision 1.38
1 /* $NetBSD: pci.h,v 1.38 2020/01/18 03:00:04 jmcneill 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 #if NACPICA > 0 58 #include <dev/acpi/acpivar.h> 59 #include <dev/acpi/acpi_pci.h> 60 #else 61 struct acpi_devnode; 62 #endif 63 64 #include <linux/dma-mapping.h> 65 #include <linux/ioport.h> 66 #include <linux/kernel.h> 67 68 struct pci_driver; 69 70 struct pci_bus { 71 /* NetBSD private members */ 72 pci_chipset_tag_t pb_pc; 73 device_t pb_dev; 74 75 /* Linux API */ 76 u_int number; 77 }; 78 79 struct pci_device_id { 80 uint32_t vendor; 81 uint32_t device; 82 uint32_t subvendor; 83 uint32_t subdevice; 84 uint32_t class; 85 uint32_t class_mask; 86 unsigned long driver_data; 87 }; 88 89 #define PCI_ANY_ID (~0) 90 91 #define PCI_BASE_CLASS_DISPLAY PCI_CLASS_DISPLAY 92 93 #define PCI_CLASS_DISPLAY_VGA \ 94 ((PCI_CLASS_DISPLAY << 8) | PCI_SUBCLASS_DISPLAY_VGA) 95 #define PCI_CLASS_BRIDGE_ISA \ 96 ((PCI_CLASS_BRIDGE << 8) | PCI_SUBCLASS_BRIDGE_ISA) 97 CTASSERT(PCI_CLASS_BRIDGE_ISA == 0x0601); 98 99 /* XXX This is getting silly... */ 100 #define PCI_VENDOR_ID_APPLE PCI_VENDOR_APPLE 101 #define PCI_VENDOR_ID_ASUSTEK PCI_VENDOR_ASUSTEK 102 #define PCI_VENDOR_ID_ATI PCI_VENDOR_ATI 103 #define PCI_VENDOR_ID_DELL PCI_VENDOR_DELL 104 #define PCI_VENDOR_ID_IBM PCI_VENDOR_IBM 105 #define PCI_VENDOR_ID_HP PCI_VENDOR_HP 106 #define PCI_VENDOR_ID_INTEL PCI_VENDOR_INTEL 107 #define PCI_VENDOR_ID_NVIDIA PCI_VENDOR_NVIDIA 108 #define PCI_VENDOR_ID_SI PCI_VENDOR_SIS 109 #define PCI_VENDOR_ID_SONY PCI_VENDOR_SONY 110 #define PCI_VENDOR_ID_VIA PCI_VENDOR_VIATECH 111 112 #define PCI_DEVICE_ID_ATI_RADEON_QY PCI_PRODUCT_ATI_RADEON_RV100_QY 113 114 #define PCI_DEVFN(DEV, FN) \ 115 (__SHIFTIN((DEV), __BITS(3, 7)) | __SHIFTIN((FN), __BITS(0, 2))) 116 #define PCI_SLOT(DEVFN) __SHIFTOUT((DEVFN), __BITS(3, 7)) 117 #define PCI_FUNC(DEVFN) __SHIFTOUT((DEVFN), __BITS(0, 2)) 118 119 #define PCI_NUM_RESOURCES ((PCI_MAPREG_END - PCI_MAPREG_START) / 4) 120 #define DEVICE_COUNT_RESOURCE PCI_NUM_RESOURCES 121 122 #define PCI_CAP_ID_AGP PCI_CAP_AGP 123 124 typedef int pci_power_t; 125 126 #define PCI_D0 0 127 #define PCI_D1 1 128 #define PCI_D2 2 129 #define PCI_D3hot 3 130 #define PCI_D3cold 4 131 132 #define __pci_iomem 133 134 struct pci_dev { 135 struct pci_attach_args pd_pa; 136 int pd_kludges; /* Gotta lose 'em... */ 137 #define NBPCI_KLUDGE_GET_MUMBLE 0x01 138 #define NBPCI_KLUDGE_MAP_ROM 0x02 139 bus_space_tag_t pd_rom_bst; 140 bus_space_handle_t pd_rom_bsh; 141 bus_size_t pd_rom_size; 142 bus_space_handle_t pd_rom_found_bsh; 143 bus_size_t pd_rom_found_size; 144 void *pd_rom_vaddr; 145 device_t pd_dev; 146 struct drm_device *pd_drm_dev; /* XXX Nouveau kludge! */ 147 struct { 148 pcireg_t type; 149 bus_addr_t addr; 150 bus_size_t size; 151 int flags; 152 bus_space_tag_t bst; 153 bus_space_handle_t bsh; 154 void __pci_iomem *kva; 155 bool mapped; 156 } pd_resources[PCI_NUM_RESOURCES]; 157 struct pci_conf_state *pd_saved_state; 158 struct acpi_devnode *pd_ad; 159 pci_intr_handle_t *pd_intr_handles; 160 unsigned pd_enablecnt; 161 162 /* Linx API only below */ 163 struct pci_bus *bus; 164 uint32_t devfn; 165 uint16_t vendor; 166 uint16_t device; 167 uint16_t subsystem_vendor; 168 uint16_t subsystem_device; 169 uint8_t revision; 170 uint32_t class; 171 bool msi_enabled; 172 bool no_64bit_msi; 173 }; 174 175 #define PCIBIOS_MIN_MEM 0x100000 /* XXX bogus x86 kludge bollocks */ 176 177 #define __pci_rom_iomem 178 179 /* Namespace. */ 180 #define pci_bus_alloc_resource linux_pci_bus_alloc_resource 181 #define pci_bus_read_config_byte linux_pci_bus_read_config_byte 182 #define pci_bus_read_config_dword linux_pci_bus_read_config_dword 183 #define pci_bus_read_config_word linux_pci_bus_read_config_word 184 #define pci_bus_write_config_byte linux_pci_bus_write_config_byte 185 #define pci_bus_write_config_dword linux_pci_bus_write_config_dword 186 #define pci_bus_write_config_word linux_pci_bus_write_config_word 187 #define pci_clear_master linux_pci_clear_master 188 #define pci_dev_dev linux_pci_dev_dev 189 #define pci_dev_put linux_pci_dev_put 190 #define pci_disable_msi linux_pci_disable_msi 191 #define pci_disable_rom linux_pci_disable_rom 192 #define pci_dma_supported linux_pci_dma_supported 193 #define pci_domain_nr linux_pci_domain_nr 194 #define pci_enable_msi linux_pci_enable_msi 195 #define pci_enable_rom linux_pci_enable_rom 196 #define pci_find_capability linux_pci_find_capability 197 #define pci_get_bus_and_slot linux_pci_get_bus_and_slot 198 #define pci_get_class linux_pci_get_class 199 #define pci_get_drvdata linux_pci_get_drvdata 200 #define pci_iomap linux_pci_iomap 201 #define pci_iounmap linux_pci_iounmap 202 #define pci_is_pcie linux_pci_is_pcie 203 #define pci_is_root_bus linux_pci_is_root_bus 204 #define pci_map_rom linux_pci_map_rom 205 #define pci_platform_rom linux_pci_platform_rom 206 #define pci_read_config_byte linux_pci_read_config_byte 207 #define pci_read_config_dword linux_pci_read_config_dword 208 #define pci_read_config_word linux_pci_read_config_word 209 #define pci_resource_end linux_pci_resource_end 210 #define pci_resource_flags linux_pci_resource_flags 211 #define pci_resource_len linux_pci_resource_len 212 #define pci_resource_start linux_pci_resource_start 213 #define pci_restore_state linux_pci_restore_state 214 #define pci_save_state linux_pci_save_state 215 #define pci_set_master linux_pci_set_master 216 #define pci_unmap_rom linux_pci_unmap_rom 217 #define pci_write_config_byte linux_pci_write_config_byte 218 #define pci_write_config_dword linux_pci_write_config_dword 219 #define pci_write_config_word linux_pci_write_config_word 220 #define pcibios_align_resource linux_pcibios_align_resource 221 222 /* NetBSD local additions. */ 223 void linux_pci_dev_init(struct pci_dev *, device_t, device_t, 224 const struct pci_attach_args *, int); 225 void linux_pci_dev_destroy(struct pci_dev *); 226 227 /* NetBSD no-renames because use requires review. */ 228 int linux_pci_enable_device(struct pci_dev *); 229 void linux_pci_disable_device(struct pci_dev *); 230 231 bool pci_is_root_bus(struct pci_bus *); 232 int pci_domain_nr(struct pci_bus *); 233 234 device_t pci_dev_dev(struct pci_dev *); 235 struct drm_device * /* XXX Nouveau kludge! */ 236 pci_get_drvdata(struct pci_dev *); 237 238 int pci_find_capability(struct pci_dev *, int); 239 bool pci_is_pcie(struct pci_dev *); 240 bool pci_dma_supported(struct pci_dev *, uintmax_t); 241 242 int pci_read_config_dword(struct pci_dev *, int, uint32_t *); 243 int pci_read_config_word(struct pci_dev *, int, uint16_t *); 244 int pci_read_config_byte(struct pci_dev *, int, uint8_t *); 245 int pci_write_config_dword(struct pci_dev *, int, uint32_t); 246 int pci_write_config_word(struct pci_dev *, int, uint16_t); 247 int pci_write_config_byte(struct pci_dev *, int, uint8_t); 248 249 int pci_bus_read_config_dword(struct pci_bus *, unsigned, int, 250 uint32_t *); 251 int pci_bus_read_config_word(struct pci_bus *, unsigned, int, 252 uint16_t *); 253 int pci_bus_read_config_byte(struct pci_bus *, unsigned, int, 254 uint8_t *); 255 int pci_bus_write_config_dword(struct pci_bus *, unsigned, int, 256 uint32_t); 257 int pci_bus_write_config_word(struct pci_bus *, unsigned, int, 258 uint16_t); 259 int pci_bus_write_config_byte(struct pci_bus *, unsigned, int, 260 uint8_t); 261 262 int pci_enable_msi(struct pci_dev *); 263 void pci_disable_msi(struct pci_dev *); 264 void pci_set_master(struct pci_dev *); 265 void pci_clear_master(struct pci_dev *); 266 267 bus_addr_t pcibios_align_resource(void *, const struct resource *, 268 bus_addr_t, bus_size_t); 269 int pci_bus_alloc_resource(struct pci_bus *, struct resource *, 270 bus_size_t, bus_size_t, bus_addr_t, int, 271 bus_addr_t (*)(void *, const struct resource *, bus_addr_t, 272 bus_size_t), struct pci_dev *); 273 274 /* XXX Kludges only -- do not use without checking the implementation! */ 275 struct pci_dev *pci_get_bus_and_slot(int, int); 276 struct pci_dev *pci_get_class(uint32_t, struct pci_dev *); /* i915 kludge */ 277 void pci_dev_put(struct pci_dev *); 278 279 void __pci_rom_iomem * 280 pci_map_rom(struct pci_dev *, size_t *); 281 void __pci_rom_iomem * 282 pci_platform_rom(struct pci_dev *, size_t *); 283 void pci_unmap_rom(struct pci_dev *, void __pci_rom_iomem *); 284 int pci_enable_rom(struct pci_dev *); 285 void pci_disable_rom(struct pci_dev *); 286 287 bus_addr_t pci_resource_start(struct pci_dev *, unsigned); 288 bus_size_t pci_resource_len(struct pci_dev *, unsigned); 289 bus_addr_t pci_resource_end(struct pci_dev *, unsigned); 290 int pci_resource_flags(struct pci_dev *, unsigned); 291 292 void __pci_iomem * 293 pci_iomap(struct pci_dev *, unsigned, bus_size_t); 294 void pci_iounmap(struct pci_dev *, void __pci_iomem *); 295 296 void pci_save_state(struct pci_dev *); 297 void pci_restore_state(struct pci_dev *); 298 299 #endif /* _LINUX_PCI_H_ */ 300
Indexes created Wed Sep 24 22:09:59 GMT 2025