pci.h revision 1.39
1 /* $NetBSD: pci.h,v 1.39 2020/02/14 14:34:59 maya 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/device.h> 65 #include <linux/dma-mapping.h> 66 #include <linux/errno.h> 67 #include <linux/io.h> 68 #include <linux/ioport.h> 69 #include <linux/kernel.h> 70 71 struct pci_driver; 72 73 struct pci_bus { 74 /* NetBSD private members */ 75 pci_chipset_tag_t pb_pc; 76 device_t pb_dev; 77 78 /* Linux API */ 79 u_int number; 80 }; 81 82 struct pci_device_id { 83 uint32_t vendor; 84 uint32_t device; 85 uint32_t subvendor; 86 uint32_t subdevice; 87 uint32_t class; 88 uint32_t class_mask; 89 unsigned long driver_data; 90 }; 91 92 #define PCI_ANY_ID (~0) 93 94 #define PCI_BASE_CLASS_DISPLAY PCI_CLASS_DISPLAY 95 96 #define PCI_CLASS_DISPLAY_VGA \ 97 ((PCI_CLASS_DISPLAY << 8) | PCI_SUBCLASS_DISPLAY_VGA) 98 #define PCI_CLASS_BRIDGE_ISA \ 99 ((PCI_CLASS_BRIDGE << 8) | PCI_SUBCLASS_BRIDGE_ISA) 100 CTASSERT(PCI_CLASS_BRIDGE_ISA == 0x0601); 101 102 /* XXX This is getting silly... */ 103 #define PCI_VENDOR_ID_APPLE PCI_VENDOR_APPLE 104 #define PCI_VENDOR_ID_ASUSTEK PCI_VENDOR_ASUSTEK 105 #define PCI_VENDOR_ID_ATI PCI_VENDOR_ATI 106 #define PCI_VENDOR_ID_DELL PCI_VENDOR_DELL 107 #define PCI_VENDOR_ID_IBM PCI_VENDOR_IBM 108 #define PCI_VENDOR_ID_HP PCI_VENDOR_HP 109 #define PCI_VENDOR_ID_INTEL PCI_VENDOR_INTEL 110 #define PCI_VENDOR_ID_NVIDIA PCI_VENDOR_NVIDIA 111 #define PCI_VENDOR_ID_SI PCI_VENDOR_SIS 112 #define PCI_VENDOR_ID_SONY PCI_VENDOR_SONY 113 #define PCI_VENDOR_ID_VIA PCI_VENDOR_VIATECH 114 115 #define PCI_DEVICE_ID_ATI_RADEON_QY PCI_PRODUCT_ATI_RADEON_RV100_QY 116 117 #define PCI_DEVFN(DEV, FN) \ 118 (__SHIFTIN((DEV), __BITS(3, 7)) | __SHIFTIN((FN), __BITS(0, 2))) 119 #define PCI_SLOT(DEVFN) __SHIFTOUT((DEVFN), __BITS(3, 7)) 120 #define PCI_FUNC(DEVFN) __SHIFTOUT((DEVFN), __BITS(0, 2)) 121 122 #define PCI_NUM_RESOURCES ((PCI_MAPREG_END - PCI_MAPREG_START) / 4) 123 #define DEVICE_COUNT_RESOURCE PCI_NUM_RESOURCES 124 125 #define PCI_CAP_ID_AGP PCI_CAP_AGP 126 127 typedef int pci_power_t; 128 129 #define PCI_D0 0 130 #define PCI_D1 1 131 #define PCI_D2 2 132 #define PCI_D3hot 3 133 #define PCI_D3cold 4 134 135 #define __pci_iomem 136 137 struct pci_dev { 138 struct pci_attach_args pd_pa; 139 int pd_kludges; /* Gotta lose 'em... */ 140 #define NBPCI_KLUDGE_GET_MUMBLE 0x01 141 #define NBPCI_KLUDGE_MAP_ROM 0x02 142 bus_space_tag_t pd_rom_bst; 143 bus_space_handle_t pd_rom_bsh; 144 bus_size_t pd_rom_size; 145 bus_space_handle_t pd_rom_found_bsh; 146 bus_size_t pd_rom_found_size; 147 void *pd_rom_vaddr; 148 device_t pd_dev; 149 struct drm_device *pd_drm_dev; /* XXX Nouveau kludge! */ 150 struct { 151 pcireg_t type; 152 bus_addr_t addr; 153 bus_size_t size; 154 int flags; 155 bus_space_tag_t bst; 156 bus_space_handle_t bsh; 157 void __pci_iomem *kva; 158 bool mapped; 159 } pd_resources[PCI_NUM_RESOURCES]; 160 struct pci_conf_state *pd_saved_state; 161 struct acpi_devnode *pd_ad; 162 pci_intr_handle_t *pd_intr_handles; 163 unsigned pd_enablecnt; 164 165 /* Linx API only below */ 166 struct pci_bus *bus; 167 uint32_t devfn; 168 uint16_t vendor; 169 uint16_t device; 170 uint16_t subsystem_vendor; 171 uint16_t subsystem_device; 172 uint8_t revision; 173 uint32_t class; 174 bool msi_enabled; 175 bool no_64bit_msi; 176 }; 177 178 #define PCIBIOS_MIN_MEM 0x100000 /* XXX bogus x86 kludge bollocks */ 179 180 #define __pci_rom_iomem 181 182 /* Namespace. */ 183 #define pci_bus_alloc_resource linux_pci_bus_alloc_resource 184 #define pci_bus_read_config_byte linux_pci_bus_read_config_byte 185 #define pci_bus_read_config_dword linux_pci_bus_read_config_dword 186 #define pci_bus_read_config_word linux_pci_bus_read_config_word 187 #define pci_bus_write_config_byte linux_pci_bus_write_config_byte 188 #define pci_bus_write_config_dword linux_pci_bus_write_config_dword 189 #define pci_bus_write_config_word linux_pci_bus_write_config_word 190 #define pci_clear_master linux_pci_clear_master 191 #define pci_dev_dev linux_pci_dev_dev 192 #define pci_dev_put linux_pci_dev_put 193 #define pci_disable_msi linux_pci_disable_msi 194 #define pci_disable_rom linux_pci_disable_rom 195 #define pci_dma_supported linux_pci_dma_supported 196 #define pci_domain_nr linux_pci_domain_nr 197 #define pci_enable_msi linux_pci_enable_msi 198 #define pci_enable_rom linux_pci_enable_rom 199 #define pci_find_capability linux_pci_find_capability 200 #define pci_get_bus_and_slot linux_pci_get_bus_and_slot 201 #define pci_get_class linux_pci_get_class 202 #define pci_get_drvdata linux_pci_get_drvdata 203 #define pci_iomap linux_pci_iomap 204 #define pci_iounmap linux_pci_iounmap 205 #define pci_is_pcie linux_pci_is_pcie 206 #define pci_is_root_bus linux_pci_is_root_bus 207 #define pci_map_rom linux_pci_map_rom 208 #define pci_platform_rom linux_pci_platform_rom 209 #define pci_read_config_byte linux_pci_read_config_byte 210 #define pci_read_config_dword linux_pci_read_config_dword 211 #define pci_read_config_word linux_pci_read_config_word 212 #define pci_resource_end linux_pci_resource_end 213 #define pci_resource_flags linux_pci_resource_flags 214 #define pci_resource_len linux_pci_resource_len 215 #define pci_resource_start linux_pci_resource_start 216 #define pci_restore_state linux_pci_restore_state 217 #define pci_save_state linux_pci_save_state 218 #define pci_set_master linux_pci_set_master 219 #define pci_unmap_rom linux_pci_unmap_rom 220 #define pci_write_config_byte linux_pci_write_config_byte 221 #define pci_write_config_dword linux_pci_write_config_dword 222 #define pci_write_config_word linux_pci_write_config_word 223 #define pcibios_align_resource linux_pcibios_align_resource 224 225 /* NetBSD local additions. */ 226 void linux_pci_dev_init(struct pci_dev *, device_t, device_t, 227 const struct pci_attach_args *, int); 228 void linux_pci_dev_destroy(struct pci_dev *); 229 230 /* NetBSD no-renames because use requires review. */ 231 int linux_pci_enable_device(struct pci_dev *); 232 void linux_pci_disable_device(struct pci_dev *); 233 234 bool pci_is_root_bus(struct pci_bus *); 235 int pci_domain_nr(struct pci_bus *); 236 237 device_t pci_dev_dev(struct pci_dev *); 238 struct drm_device * /* XXX Nouveau kludge! */ 239 pci_get_drvdata(struct pci_dev *); 240 241 int pci_find_capability(struct pci_dev *, int); 242 bool pci_is_pcie(struct pci_dev *); 243 bool pci_dma_supported(struct pci_dev *, uintmax_t); 244 245 int pci_read_config_dword(struct pci_dev *, int, uint32_t *); 246 int pci_read_config_word(struct pci_dev *, int, uint16_t *); 247 int pci_read_config_byte(struct pci_dev *, int, uint8_t *); 248 int pci_write_config_dword(struct pci_dev *, int, uint32_t); 249 int pci_write_config_word(struct pci_dev *, int, uint16_t); 250 int pci_write_config_byte(struct pci_dev *, int, uint8_t); 251 252 int pci_bus_read_config_dword(struct pci_bus *, unsigned, int, 253 uint32_t *); 254 int pci_bus_read_config_word(struct pci_bus *, unsigned, int, 255 uint16_t *); 256 int pci_bus_read_config_byte(struct pci_bus *, unsigned, int, 257 uint8_t *); 258 int pci_bus_write_config_dword(struct pci_bus *, unsigned, int, 259 uint32_t); 260 int pci_bus_write_config_word(struct pci_bus *, unsigned, int, 261 uint16_t); 262 int pci_bus_write_config_byte(struct pci_bus *, unsigned, int, 263 uint8_t); 264 265 int pci_enable_msi(struct pci_dev *); 266 void pci_disable_msi(struct pci_dev *); 267 void pci_set_master(struct pci_dev *); 268 void pci_clear_master(struct pci_dev *); 269 270 bus_addr_t pcibios_align_resource(void *, const struct resource *, 271 bus_addr_t, bus_size_t); 272 int pci_bus_alloc_resource(struct pci_bus *, struct resource *, 273 bus_size_t, bus_size_t, bus_addr_t, int, 274 bus_addr_t (*)(void *, const struct resource *, bus_addr_t, 275 bus_size_t), struct pci_dev *); 276 277 /* XXX Kludges only -- do not use without checking the implementation! */ 278 struct pci_dev *pci_get_bus_and_slot(int, int); 279 struct pci_dev *pci_get_class(uint32_t, struct pci_dev *); /* i915 kludge */ 280 void pci_dev_put(struct pci_dev *); 281 282 void __pci_rom_iomem * 283 pci_map_rom(struct pci_dev *, size_t *); 284 void __pci_rom_iomem * 285 pci_platform_rom(struct pci_dev *, size_t *); 286 void pci_unmap_rom(struct pci_dev *, void __pci_rom_iomem *); 287 int pci_enable_rom(struct pci_dev *); 288 void pci_disable_rom(struct pci_dev *); 289 290 bus_addr_t pci_resource_start(struct pci_dev *, unsigned); 291 bus_size_t pci_resource_len(struct pci_dev *, unsigned); 292 bus_addr_t pci_resource_end(struct pci_dev *, unsigned); 293 int pci_resource_flags(struct pci_dev *, unsigned); 294 295 void __pci_iomem * 296 pci_iomap(struct pci_dev *, unsigned, bus_size_t); 297 void pci_iounmap(struct pci_dev *, void __pci_iomem *); 298 299 void pci_save_state(struct pci_dev *); 300 void pci_restore_state(struct pci_dev *); 301 302 #endif /* _LINUX_PCI_H_ */ 303
Indexes created Mon Sep 22 05:09:51 GMT 2025