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sys/dev/ichiic/ig4_pci.c
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1 /* 2 * Copyright (c) 2014 The DragonFly Project. All rights reserved. 3 * 4 * This code is derived from software contributed to The DragonFly Project 5 * by Matthew Dillon <dillon@backplane.com> and was subsequently ported 6 * to FreeBSD by Michael Gmelin <freebsd@grem.de> 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the 17 * distribution. 18 * 3. Neither the name of The DragonFly Project nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific, prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 25 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 26 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 30 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 31 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 32 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 __FBSDID("$FreeBSD$"); 38 39 /* 40 * Intel fourth generation mobile cpus integrated I2C device. 41 * 42 * See ig4_reg.h for datasheet reference and notes. 43 */ 44 45 #include <sys/param.h> 46 #include <sys/systm.h> 47 #include <sys/kernel.h> 48 #include <sys/module.h> 49 #include <sys/errno.h> 50 #include <sys/lock.h> 51 #include <sys/mutex.h> 52 #include <sys/sx.h> 53 #include <sys/syslog.h> 54 #include <sys/bus.h> 55 56 #include <machine/bus.h> 57 #include <sys/rman.h> 58 #include <machine/resource.h> 59 60 #include <dev/pci/pcivar.h> 61 #include <dev/pci/pcireg.h> 62 #include <dev/iicbus/iiconf.h> 63 64 #include <dev/ichiic/ig4_reg.h> 65 #include <dev/ichiic/ig4_var.h> 66 67 static int ig4iic_pci_detach(device_t dev); 68 69 #define PCI_CHIP_BAYTRAIL_I2C_1 0x0f418086 70 #define PCI_CHIP_BAYTRAIL_I2C_2 0x0f428086 71 #define PCI_CHIP_BAYTRAIL_I2C_3 0x0f438086 72 #define PCI_CHIP_BAYTRAIL_I2C_4 0x0f448086 73 #define PCI_CHIP_BAYTRAIL_I2C_5 0x0f458086 74 #define PCI_CHIP_BAYTRAIL_I2C_6 0x0f468086 75 #define PCI_CHIP_BAYTRAIL_I2C_7 0x0f478086 76 #define PCI_CHIP_LYNXPT_LP_I2C_1 0x9c618086 77 #define PCI_CHIP_LYNXPT_LP_I2C_2 0x9c628086 78 #define PCI_CHIP_BRASWELL_I2C_1 0x22c18086 79 #define PCI_CHIP_BRASWELL_I2C_2 0x22c28086 80 #define PCI_CHIP_BRASWELL_I2C_3 0x22c38086 81 #define PCI_CHIP_BRASWELL_I2C_5 0x22c58086 82 #define PCI_CHIP_BRASWELL_I2C_6 0x22c68086 83 #define PCI_CHIP_BRASWELL_I2C_7 0x22c78086 84 #define PCI_CHIP_SKYLAKE_I2C_0 0x9d608086 85 #define PCI_CHIP_SKYLAKE_I2C_1 0x9d618086 86 #define PCI_CHIP_SKYLAKE_I2C_2 0x9d628086 87 #define PCI_CHIP_SKYLAKE_I2C_3 0x9d638086 88 #define PCI_CHIP_SKYLAKE_I2C_4 0x9d648086 89 #define PCI_CHIP_SKYLAKE_I2C_5 0x9d658086 90 #define PCI_CHIP_KABYLAKE_I2C_0 0xa1608086 91 #define PCI_CHIP_KABYLAKE_I2C_1 0xa1618086 92 #define PCI_CHIP_APL_I2C_0 0x5aac8086 93 #define PCI_CHIP_APL_I2C_1 0x5aae8086 94 #define PCI_CHIP_APL_I2C_2 0x5ab08086 95 #define PCI_CHIP_APL_I2C_3 0x5ab28086 96 #define PCI_CHIP_APL_I2C_4 0x5ab48086 97 #define PCI_CHIP_APL_I2C_5 0x5ab68086 98 #define PCI_CHIP_APL_I2C_6 0x5ab88086 99 #define PCI_CHIP_APL_I2C_7 0x5aba8086 100 #define PCI_CHIP_CANNONLAKE_LP_I2C_0 0x9dc58086 101 #define PCI_CHIP_CANNONLAKE_LP_I2C_1 0x9dc68086 102 #define PCI_CHIP_CANNONLAKE_LP_I2C_2 0x9de88086 103 #define PCI_CHIP_CANNONLAKE_LP_I2C_3 0x9de98086 104 #define PCI_CHIP_CANNONLAKE_LP_I2C_4 0x9dea8086 105 #define PCI_CHIP_CANNONLAKE_LP_I2C_5 0x9deb8086 106 #define PCI_CHIP_CANNONLAKE_H_I2C_0 0xa3688086 107 #define PCI_CHIP_CANNONLAKE_H_I2C_1 0xa3698086 108 #define PCI_CHIP_CANNONLAKE_H_I2C_2 0xa36a8086 109 #define PCI_CHIP_CANNONLAKE_H_I2C_3 0xa36b8086 110 #define PCI_CHIP_COMETLAKE_LP_I2C_0 0x02e88086 111 #define PCI_CHIP_COMETLAKE_LP_I2C_1 0x02e98086 112 #define PCI_CHIP_COMETLAKE_LP_I2C_2 0x02ea8086 113 #define PCI_CHIP_COMETLAKE_LP_I2C_3 0x02eb8086 114 #define PCI_CHIP_COMETLAKE_LP_I2C_4 0x02c58086 115 #define PCI_CHIP_COMETLAKE_LP_I2C_5 0x02c68086 116 #define PCI_CHIP_COMETLAKE_H_I2C_0 0x06e88086 117 #define PCI_CHIP_COMETLAKE_H_I2C_1 0x06e98086 118 #define PCI_CHIP_COMETLAKE_H_I2C_2 0x06ea8086 119 #define PCI_CHIP_COMETLAKE_H_I2C_3 0x06eb8086 120 #define PCI_CHIP_COMETLAKE_V_I2C_0 0xa3e08086 121 #define PCI_CHIP_COMETLAKE_V_I2C_1 0xa3e18086 122 #define PCI_CHIP_COMETLAKE_V_I2C_2 0xa3e28086 123 #define PCI_CHIP_COMETLAKE_V_I2C_3 0xa3e38086 124 #define PCI_CHIP_TIGERLAKE_H_I2C_0 0x43d88086 125 #define PCI_CHIP_TIGERLAKE_H_I2C_1 0x43e88086 126 #define PCI_CHIP_TIGERLAKE_H_I2C_2 0x43e98086 127 #define PCI_CHIP_TIGERLAKE_H_I2C_3 0x43ea8086 128 #define PCI_CHIP_TIGERLAKE_H_I2C_4 0x43eb8086 129 #define PCI_CHIP_TIGERLAKE_H_I2C_5 0x43ad8086 130 #define PCI_CHIP_TIGERLAKE_H_I2C_6 0x43ae8086 131 #define PCI_CHIP_TIGERLAKE_LP_I2C_0 0xa0c58086 132 #define PCI_CHIP_TIGERLAKE_LP_I2C_1 0xa0c68086 133 #define PCI_CHIP_TIGERLAKE_LP_I2C_2 0xa0d88086 134 #define PCI_CHIP_TIGERLAKE_LP_I2C_3 0xa0d98086 135 #define PCI_CHIP_TIGERLAKE_LP_I2C_4 0xa0e88086 136 #define PCI_CHIP_TIGERLAKE_LP_I2C_5 0xa0e98086 137 #define PCI_CHIP_TIGERLAKE_LP_I2C_6 0xa0ea8086 138 #define PCI_CHIP_TIGERLAKE_LP_I2C_7 0xa0eb8086 139 #define PCI_CHIP_GEMINILAKE_I2C_0 0x31ac8086 140 #define PCI_CHIP_GEMINILAKE_I2C_1 0x31ae8086 141 #define PCI_CHIP_GEMINILAKE_I2C_2 0x31b08086 142 #define PCI_CHIP_GEMINILAKE_I2C_3 0x31b28086 143 #define PCI_CHIP_GEMINILAKE_I2C_4 0x31b48086 144 #define PCI_CHIP_GEMINILAKE_I2C_5 0x31b68086 145 #define PCI_CHIP_GEMINILAKE_I2C_6 0x31b88086 146 #define PCI_CHIP_GEMINILAKE_I2C_7 0x31ba8086 147 #define PCI_CHIP_ALDERLAKE_P_I2C_0 0x51e88086 148 #define PCI_CHIP_ALDERLAKE_P_I2C_1 0x51e98086 149 #define PCI_CHIP_ALDERLAKE_P_I2C_2 0x51ea8086 150 #define PCI_CHIP_ALDERLAKE_P_I2C_3 0x51eb8086 151 #define PCI_CHIP_ALDERLAKE_P_I2C_4 0x51c58086 152 #define PCI_CHIP_ALDERLAKE_P_I2C_5 0x51c68086 153 #define PCI_CHIP_ALDERLAKE_P_I2C_6 0x51d88086 154 #define PCI_CHIP_ALDERLAKE_P_I2C_7 0x51d98086 155 #define PCI_CHIP_ALDERLAKE_S_I2C_0 0x7acc8086 156 #define PCI_CHIP_ALDERLAKE_S_I2C_1 0x7acd8086 157 #define PCI_CHIP_ALDERLAKE_S_I2C_2 0x7ace8086 158 #define PCI_CHIP_ALDERLAKE_S_I2C_3 0x7acf8086 159 #define PCI_CHIP_ALDERLAKE_S_I2C_4 0x7afc8086 160 #define PCI_CHIP_ALDERLAKE_S_I2C_5 0x7afd8086 161 #define PCI_CHIP_ALDERLAKE_M_I2C_0 0x54e88086 162 #define PCI_CHIP_ALDERLAKE_M_I2C_1 0x54e98086 163 #define PCI_CHIP_ALDERLAKE_M_I2C_2 0x54ea8086 164 #define PCI_CHIP_ALDERLAKE_M_I2C_3 0x54eb8086 165 #define PCI_CHIP_ALDERLAKE_M_I2C_4 0x54c58086 166 #define PCI_CHIP_ALDERLAKE_M_I2C_5 0x54c68086 167 168 struct ig4iic_pci_device { 169 uint32_t devid; 170 const char *desc; 171 enum ig4_vers version; 172 }; 173 174 static struct ig4iic_pci_device ig4iic_pci_devices[] = { 175 { PCI_CHIP_BAYTRAIL_I2C_1, "Intel BayTrail Serial I/O I2C Port 1", IG4_ATOM}, 176 { PCI_CHIP_BAYTRAIL_I2C_2, "Intel BayTrail Serial I/O I2C Port 2", IG4_ATOM}, 177 { PCI_CHIP_BAYTRAIL_I2C_3, "Intel BayTrail Serial I/O I2C Port 3", IG4_ATOM}, 178 { PCI_CHIP_BAYTRAIL_I2C_4, "Intel BayTrail Serial I/O I2C Port 4", IG4_ATOM}, 179 { PCI_CHIP_BAYTRAIL_I2C_5, "Intel BayTrail Serial I/O I2C Port 5", IG4_ATOM}, 180 { PCI_CHIP_BAYTRAIL_I2C_6, "Intel BayTrail Serial I/O I2C Port 6", IG4_ATOM}, 181 { PCI_CHIP_BAYTRAIL_I2C_7, "Intel BayTrail Serial I/O I2C Port 7", IG4_ATOM}, 182 { PCI_CHIP_LYNXPT_LP_I2C_1, "Intel Lynx Point-LP I2C Controller-1", IG4_HASWELL}, 183 { PCI_CHIP_LYNXPT_LP_I2C_2, "Intel Lynx Point-LP I2C Controller-2", IG4_HASWELL}, 184 { PCI_CHIP_BRASWELL_I2C_1, "Intel Braswell Serial I/O I2C Port 1", IG4_ATOM}, 185 { PCI_CHIP_BRASWELL_I2C_2, "Intel Braswell Serial I/O I2C Port 2", IG4_ATOM}, 186 { PCI_CHIP_BRASWELL_I2C_3, "Intel Braswell Serial I/O I2C Port 3", IG4_ATOM}, 187 { PCI_CHIP_BRASWELL_I2C_5, "Intel Braswell Serial I/O I2C Port 5", IG4_ATOM}, 188 { PCI_CHIP_BRASWELL_I2C_6, "Intel Braswell Serial I/O I2C Port 6", IG4_ATOM}, 189 { PCI_CHIP_BRASWELL_I2C_7, "Intel Braswell Serial I/O I2C Port 7", IG4_ATOM}, 190 { PCI_CHIP_SKYLAKE_I2C_0, "Intel Sunrise Point-LP I2C Controller-0", IG4_SKYLAKE}, 191 { PCI_CHIP_SKYLAKE_I2C_1, "Intel Sunrise Point-LP I2C Controller-1", IG4_SKYLAKE}, 192 { PCI_CHIP_SKYLAKE_I2C_2, "Intel Sunrise Point-LP I2C Controller-2", IG4_SKYLAKE}, 193 { PCI_CHIP_SKYLAKE_I2C_3, "Intel Sunrise Point-LP I2C Controller-3", IG4_SKYLAKE}, 194 { PCI_CHIP_SKYLAKE_I2C_4, "Intel Sunrise Point-LP I2C Controller-4", IG4_SKYLAKE}, 195 { PCI_CHIP_SKYLAKE_I2C_5, "Intel Sunrise Point-LP I2C Controller-5", IG4_SKYLAKE}, 196 { PCI_CHIP_KABYLAKE_I2C_0, "Intel Sunrise Point-H I2C Controller-0", IG4_SKYLAKE}, 197 { PCI_CHIP_KABYLAKE_I2C_1, "Intel Sunrise Point-H I2C Controller-1", IG4_SKYLAKE}, 198 { PCI_CHIP_APL_I2C_0, "Intel Apollo Lake I2C Controller-0", IG4_APL}, 199 { PCI_CHIP_APL_I2C_1, "Intel Apollo Lake I2C Controller-1", IG4_APL}, 200 { PCI_CHIP_APL_I2C_2, "Intel Apollo Lake I2C Controller-2", IG4_APL}, 201 { PCI_CHIP_APL_I2C_3, "Intel Apollo Lake I2C Controller-3", IG4_APL}, 202 { PCI_CHIP_APL_I2C_4, "Intel Apollo Lake I2C Controller-4", IG4_APL}, 203 { PCI_CHIP_APL_I2C_5, "Intel Apollo Lake I2C Controller-5", IG4_APL}, 204 { PCI_CHIP_APL_I2C_6, "Intel Apollo Lake I2C Controller-6", IG4_APL}, 205 { PCI_CHIP_APL_I2C_7, "Intel Apollo Lake I2C Controller-7", IG4_APL}, 206 { PCI_CHIP_CANNONLAKE_LP_I2C_0, "Intel Cannon Lake-LP I2C Controller-0", IG4_CANNONLAKE}, 207 { PCI_CHIP_CANNONLAKE_LP_I2C_1, "Intel Cannon Lake-LP I2C Controller-1", IG4_CANNONLAKE}, 208 { PCI_CHIP_CANNONLAKE_LP_I2C_2, "Intel Cannon Lake-LP I2C Controller-2", IG4_CANNONLAKE}, 209 { PCI_CHIP_CANNONLAKE_LP_I2C_3, "Intel Cannon Lake-LP I2C Controller-3", IG4_CANNONLAKE}, 210 { PCI_CHIP_CANNONLAKE_LP_I2C_4, "Intel Cannon Lake-LP I2C Controller-4", IG4_CANNONLAKE}, 211 { PCI_CHIP_CANNONLAKE_LP_I2C_5, "Intel Cannon Lake-LP I2C Controller-5", IG4_CANNONLAKE}, 212 { PCI_CHIP_CANNONLAKE_H_I2C_0, "Intel Cannon Lake-H I2C Controller-0", IG4_CANNONLAKE}, 213 { PCI_CHIP_CANNONLAKE_H_I2C_1, "Intel Cannon Lake-H I2C Controller-1", IG4_CANNONLAKE}, 214 { PCI_CHIP_CANNONLAKE_H_I2C_2, "Intel Cannon Lake-H I2C Controller-2", IG4_CANNONLAKE}, 215 { PCI_CHIP_CANNONLAKE_H_I2C_3, "Intel Cannon Lake-H I2C Controller-3", IG4_CANNONLAKE}, 216 { PCI_CHIP_COMETLAKE_LP_I2C_0, "Intel Comet Lake-LP I2C Controller-0", IG4_CANNONLAKE}, 217 { PCI_CHIP_COMETLAKE_LP_I2C_1, "Intel Comet Lake-LP I2C Controller-1", IG4_CANNONLAKE}, 218 { PCI_CHIP_COMETLAKE_LP_I2C_2, "Intel Comet Lake-LP I2C Controller-2", IG4_CANNONLAKE}, 219 { PCI_CHIP_COMETLAKE_LP_I2C_3, "Intel Comet Lake-LP I2C Controller-3", IG4_CANNONLAKE}, 220 { PCI_CHIP_COMETLAKE_LP_I2C_4, "Intel Comet Lake-LP I2C Controller-4", IG4_CANNONLAKE}, 221 { PCI_CHIP_COMETLAKE_LP_I2C_5, "Intel Comet Lake-LP I2C Controller-5", IG4_CANNONLAKE}, 222 { PCI_CHIP_COMETLAKE_H_I2C_0, "Intel Comet Lake-H I2C Controller-0", IG4_CANNONLAKE}, 223 { PCI_CHIP_COMETLAKE_H_I2C_1, "Intel Comet Lake-H I2C Controller-1", IG4_CANNONLAKE}, 224 { PCI_CHIP_COMETLAKE_H_I2C_2, "Intel Comet Lake-H I2C Controller-2", IG4_CANNONLAKE}, 225 { PCI_CHIP_COMETLAKE_H_I2C_3, "Intel Comet Lake-H I2C Controller-3", IG4_CANNONLAKE}, 226 { PCI_CHIP_COMETLAKE_V_I2C_0, "Intel Comet Lake-V I2C Controller-0", IG4_CANNONLAKE}, 227 { PCI_CHIP_COMETLAKE_V_I2C_1, "Intel Comet Lake-V I2C Controller-1", IG4_CANNONLAKE}, 228 { PCI_CHIP_COMETLAKE_V_I2C_2, "Intel Comet Lake-V I2C Controller-2", IG4_CANNONLAKE}, 229 { PCI_CHIP_COMETLAKE_V_I2C_3, "Intel Comet Lake-V I2C Controller-3", IG4_CANNONLAKE}, 230 { PCI_CHIP_TIGERLAKE_H_I2C_0, "Intel Tiger Lake-H I2C Controller-0", IG4_TIGERLAKE}, 231 { PCI_CHIP_TIGERLAKE_H_I2C_1, "Intel Tiger Lake-H I2C Controller-1", IG4_TIGERLAKE}, 232 { PCI_CHIP_TIGERLAKE_H_I2C_2, "Intel Tiger Lake-H I2C Controller-2", IG4_TIGERLAKE}, 233 { PCI_CHIP_TIGERLAKE_H_I2C_3, "Intel Tiger Lake-H I2C Controller-3", IG4_TIGERLAKE}, 234 { PCI_CHIP_TIGERLAKE_H_I2C_4, "Intel Tiger Lake-H I2C Controller-4", IG4_TIGERLAKE}, 235 { PCI_CHIP_TIGERLAKE_H_I2C_5, "Intel Tiger Lake-H I2C Controller-5", IG4_TIGERLAKE}, 236 { PCI_CHIP_TIGERLAKE_H_I2C_6, "Intel Tiger Lake-H I2C Controller-6", IG4_TIGERLAKE}, 237 { PCI_CHIP_TIGERLAKE_LP_I2C_0, "Intel Tiger Lake-LP I2C Controller-0", IG4_SKYLAKE}, 238 { PCI_CHIP_TIGERLAKE_LP_I2C_1, "Intel Tiger Lake-LP I2C Controller-1", IG4_SKYLAKE}, 239 { PCI_CHIP_TIGERLAKE_LP_I2C_2, "Intel Tiger Lake-LP I2C Controller-2", IG4_SKYLAKE}, 240 { PCI_CHIP_TIGERLAKE_LP_I2C_3, "Intel Tiger Lake-LP I2C Controller-3", IG4_SKYLAKE}, 241 { PCI_CHIP_TIGERLAKE_LP_I2C_4, "Intel Tiger Lake-LP I2C Controller-4", IG4_SKYLAKE}, 242 { PCI_CHIP_TIGERLAKE_LP_I2C_5, "Intel Tiger Lake-LP I2C Controller-5", IG4_SKYLAKE}, 243 { PCI_CHIP_TIGERLAKE_LP_I2C_6, "Intel Tiger Lake-LP I2C Controller-6", IG4_SKYLAKE}, 244 { PCI_CHIP_TIGERLAKE_LP_I2C_7, "Intel Tiger Lake-LP I2C Controller-7", IG4_SKYLAKE}, 245 { PCI_CHIP_GEMINILAKE_I2C_0, "Intel Gemini Lake I2C Controller-0", IG4_GEMINILAKE}, 246 { PCI_CHIP_GEMINILAKE_I2C_1, "Intel Gemini Lake I2C Controller-1", IG4_GEMINILAKE}, 247 { PCI_CHIP_GEMINILAKE_I2C_2, "Intel Gemini Lake I2C Controller-2", IG4_GEMINILAKE}, 248 { PCI_CHIP_GEMINILAKE_I2C_3, "Intel Gemini Lake I2C Controller-3", IG4_GEMINILAKE}, 249 { PCI_CHIP_GEMINILAKE_I2C_4, "Intel Gemini Lake I2C Controller-4", IG4_GEMINILAKE}, 250 { PCI_CHIP_GEMINILAKE_I2C_5, "Intel Gemini Lake I2C Controller-5", IG4_GEMINILAKE}, 251 { PCI_CHIP_GEMINILAKE_I2C_6, "Intel Gemini Lake I2C Controller-6", IG4_GEMINILAKE}, 252 { PCI_CHIP_GEMINILAKE_I2C_7, "Intel Gemini Lake I2C Controller-7", IG4_GEMINILAKE}, 253 { PCI_CHIP_ALDERLAKE_P_I2C_0, "Intel Alder Lake-P I2C Controller-0", IG4_TIGERLAKE}, 254 { PCI_CHIP_ALDERLAKE_P_I2C_1, "Intel Alder Lake-P I2C Controller-1", IG4_TIGERLAKE}, 255 { PCI_CHIP_ALDERLAKE_P_I2C_2, "Intel Alder Lake-P I2C Controller-2", IG4_TIGERLAKE}, 256 { PCI_CHIP_ALDERLAKE_P_I2C_3, "Intel Alder Lake-P I2C Controller-3", IG4_TIGERLAKE}, 257 { PCI_CHIP_ALDERLAKE_P_I2C_4, "Intel Alder Lake-P I2C Controller-4", IG4_TIGERLAKE}, 258 { PCI_CHIP_ALDERLAKE_P_I2C_5, "Intel Alder Lake-P I2C Controller-5", IG4_TIGERLAKE}, 259 { PCI_CHIP_ALDERLAKE_P_I2C_6, "Intel Alder Lake-P I2C Controller-6", IG4_TIGERLAKE}, 260 { PCI_CHIP_ALDERLAKE_P_I2C_7, "Intel Alder Lake-P I2C Controller-7", IG4_TIGERLAKE}, 261 { PCI_CHIP_ALDERLAKE_S_I2C_0, "Intel Alder Lake-S I2C Controller-0", IG4_TIGERLAKE}, 262 { PCI_CHIP_ALDERLAKE_S_I2C_1, "Intel Alder Lake-S I2C Controller-1", IG4_TIGERLAKE}, 263 { PCI_CHIP_ALDERLAKE_S_I2C_2, "Intel Alder Lake-S I2C Controller-2", IG4_TIGERLAKE}, 264 { PCI_CHIP_ALDERLAKE_S_I2C_3, "Intel Alder Lake-S I2C Controller-3", IG4_TIGERLAKE}, 265 { PCI_CHIP_ALDERLAKE_S_I2C_4, "Intel Alder Lake-S I2C Controller-4", IG4_TIGERLAKE}, 266 { PCI_CHIP_ALDERLAKE_S_I2C_5, "Intel Alder Lake-S I2C Controller-5", IG4_TIGERLAKE}, 267 { PCI_CHIP_ALDERLAKE_M_I2C_0, "Intel Alder Lake-M I2C Controller-0", IG4_TIGERLAKE}, 268 { PCI_CHIP_ALDERLAKE_M_I2C_1, "Intel Alder Lake-M I2C Controller-1", IG4_TIGERLAKE}, 269 { PCI_CHIP_ALDERLAKE_M_I2C_2, "Intel Alder Lake-M I2C Controller-2", IG4_TIGERLAKE}, 270 { PCI_CHIP_ALDERLAKE_M_I2C_3, "Intel Alder Lake-M I2C Controller-3", IG4_TIGERLAKE}, 271 { PCI_CHIP_ALDERLAKE_M_I2C_4, "Intel Alder Lake-M I2C Controller-4", IG4_TIGERLAKE}, 272 { PCI_CHIP_ALDERLAKE_M_I2C_5, "Intel Alder Lake-M I2C Controller-5", IG4_TIGERLAKE}, 273 }; 274 275 static int 276 ig4iic_pci_probe(device_t dev) 277 { 278 ig4iic_softc_t *sc = device_get_softc(dev); 279 uint32_t devid; 280 int i; 281 282 devid = pci_get_devid(dev); 283 for (i = 0; i < nitems(ig4iic_pci_devices); i++) { 284 if (ig4iic_pci_devices[i].devid == devid) { 285 device_set_desc(dev, ig4iic_pci_devices[i].desc); 286 sc->version = ig4iic_pci_devices[i].version; 287 return (BUS_PROBE_DEFAULT); 288 } 289 } 290 return (ENXIO); 291 } 292 293 static int 294 ig4iic_pci_attach(device_t dev) 295 { 296 ig4iic_softc_t *sc = device_get_softc(dev); 297 int error; 298 299 sc->dev = dev; 300 sc->regs_rid = PCIR_BAR(0); 301 sc->regs_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 302 &sc->regs_rid, RF_ACTIVE); 303 if (sc->regs_res == NULL) { 304 device_printf(dev, "unable to map registers\n"); 305 ig4iic_pci_detach(dev); 306 return (ENXIO); 307 } 308 sc->intr_rid = 0; 309 if (pci_alloc_msi(dev, &sc->intr_rid)) { 310 device_printf(dev, "Using MSI\n"); 311 } 312 sc->intr_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, 313 &sc->intr_rid, RF_SHAREABLE | RF_ACTIVE); 314 if (sc->intr_res == NULL) { 315 device_printf(dev, "unable to map interrupt\n"); 316 ig4iic_pci_detach(dev); 317 return (ENXIO); 318 } 319 sc->platform_attached = 1; 320 321 error = ig4iic_attach(sc); 322 if (error) 323 ig4iic_pci_detach(dev); 324 325 return (error); 326 } 327 328 static int 329 ig4iic_pci_detach(device_t dev) 330 { 331 ig4iic_softc_t *sc = device_get_softc(dev); 332 int error; 333 334 if (sc->platform_attached) { 335 error = ig4iic_detach(sc); 336 if (error) 337 return (error); 338 sc->platform_attached = 0; 339 } 340 341 if (sc->intr_res) { 342 bus_release_resource(dev, SYS_RES_IRQ, 343 sc->intr_rid, sc->intr_res); 344 sc->intr_res = NULL; 345 } 346 if (sc->intr_rid != 0) 347 pci_release_msi(dev); 348 if (sc->regs_res) { 349 bus_release_resource(dev, SYS_RES_MEMORY, 350 sc->regs_rid, sc->regs_res); 351 sc->regs_res = NULL; 352 } 353 354 return (0); 355 } 356 357 static int 358 ig4iic_pci_suspend(device_t dev) 359 { 360 ig4iic_softc_t *sc = device_get_softc(dev); 361 362 return (ig4iic_suspend(sc)); 363 } 364 365 static int 366 ig4iic_pci_resume(device_t dev) 367 { 368 ig4iic_softc_t *sc = device_get_softc(dev); 369 370 return (ig4iic_resume(sc)); 371 } 372 373 static device_method_t ig4iic_pci_methods[] = { 374 /* Device interface */ 375 DEVMETHOD(device_probe, ig4iic_pci_probe), 376 DEVMETHOD(device_attach, ig4iic_pci_attach), 377 DEVMETHOD(device_detach, ig4iic_pci_detach), 378 DEVMETHOD(device_suspend, ig4iic_pci_suspend), 379 DEVMETHOD(device_resume, ig4iic_pci_resume), 380 381 /* Bus interface */ 382 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), 383 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), 384 DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource), 385 DEVMETHOD(bus_release_resource, bus_generic_release_resource), 386 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 387 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 388 DEVMETHOD(bus_adjust_resource, bus_generic_adjust_resource), 389 390 /* iicbus interface */ 391 DEVMETHOD(iicbus_transfer, ig4iic_transfer), 392 DEVMETHOD(iicbus_reset, ig4iic_reset), 393 DEVMETHOD(iicbus_callback, ig4iic_callback), 394 395 DEVMETHOD_END 396 }; 397 398 static driver_t ig4iic_pci_driver = { 399 "ig4iic", 400 ig4iic_pci_methods, 401 sizeof(struct ig4iic_softc) 402 }; 403 404 DRIVER_MODULE_ORDERED(ig4iic, pci, ig4iic_pci_driver, 0, 0, SI_ORDER_ANY); 405 MODULE_DEPEND(ig4iic, pci, 1, 1, 1); 406 MODULE_PNP_INFO("W32:vendor/device", pci, ig4iic, ig4iic_pci_devices, 407 nitems(ig4iic_pci_devices));
Cache object: 1f5ccd944b7fcd2391dd850cba660299
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