drivers/hwmon/intel-m10-bmc-hwmon.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Intel MAX 10 BMC HWMON Driver
   4  *
   5  * Copyright (C) 2018-2020 Intel Corporation. All rights reserved.
   6  *
   7  */
   8 #include <linux/device.h>
   9 #include <linux/hwmon.h>
  10 #include <linux/mfd/intel-m10-bmc.h>
  11 #include <linux/module.h>
  12 #include <linux/mod_devicetable.h>
  13 #include <linux/platform_device.h>
  14
  15 struct m10bmc_sdata {
  16         unsigned int reg_input;
  17         unsigned int reg_max;
  18         unsigned int reg_crit;
  19         unsigned int reg_hyst;
  20         unsigned int reg_min;
  21         unsigned int multiplier;
  22         const char *label;
  23 };
  24
  25 struct m10bmc_hwmon_board_data {
  26         const struct m10bmc_sdata *tables[hwmon_max];
  27         const struct hwmon_channel_info * const *hinfo;
  28 };
  29
  30 struct m10bmc_hwmon {
  31         struct device *dev;
  32         struct hwmon_chip_info chip;
  33         char *hw_name;
  34         struct intel_m10bmc *m10bmc;
  35         const struct m10bmc_hwmon_board_data *bdata;
  36 };
  37
  38 static const struct m10bmc_sdata n3000bmc_temp_tbl[] = {
  39         { 0x100, 0x104, 0x108, 0x10c, 0x0, 500, "Board Temperature" },
  40         { 0x110, 0x114, 0x118, 0x0, 0x0, 500, "FPGA Die Temperature" },
  41         { 0x11c, 0x124, 0x120, 0x0, 0x0, 500, "QSFP0 Temperature" },
  42         { 0x12c, 0x134, 0x130, 0x0, 0x0, 500, "QSFP1 Temperature" },
  43         { 0x168, 0x0, 0x0, 0x0, 0x0, 500, "Retimer A Temperature" },
  44         { 0x16c, 0x0, 0x0, 0x0, 0x0, 500, "Retimer A SerDes Temperature" },
  45         { 0x170, 0x0, 0x0, 0x0, 0x0, 500, "Retimer B Temperature" },
  46         { 0x174, 0x0, 0x0, 0x0, 0x0, 500, "Retimer B SerDes Temperature" },
  47 };
  48
  49 static const struct m10bmc_sdata n3000bmc_in_tbl[] = {
  50         { 0x128, 0x0, 0x0, 0x0, 0x0, 1, "QSFP0 Supply Voltage" },
  51         { 0x138, 0x0, 0x0, 0x0, 0x0, 1, "QSFP1 Supply Voltage" },
  52         { 0x13c, 0x0, 0x0, 0x0, 0x0, 1, "FPGA Core Voltage" },
  53         { 0x144, 0x0, 0x0, 0x0, 0x0, 1, "12V Backplane Voltage" },
  54         { 0x14c, 0x0, 0x0, 0x0, 0x0, 1, "1.2V Voltage" },
  55         { 0x150, 0x0, 0x0, 0x0, 0x0, 1, "12V AUX Voltage" },
  56         { 0x158, 0x0, 0x0, 0x0, 0x0, 1, "1.8V Voltage" },
  57         { 0x15c, 0x0, 0x0, 0x0, 0x0, 1, "3.3V Voltage" },
  58 };
  59
  60 static const struct m10bmc_sdata n3000bmc_curr_tbl[] = {
  61         { 0x140, 0x0, 0x0, 0x0, 0x0, 1, "FPGA Core Current" },
  62         { 0x148, 0x0, 0x0, 0x0, 0x0, 1, "12V Backplane Current" },
  63         { 0x154, 0x0, 0x0, 0x0, 0x0, 1, "12V AUX Current" },
  64 };
  65
  66 static const struct m10bmc_sdata n3000bmc_power_tbl[] = {
  67         { 0x160, 0x0, 0x0, 0x0, 0x0, 1000, "Board Power" },
  68 };
  69
  70 static const struct hwmon_channel_info * const n3000bmc_hinfo[] = {
  71         HWMON_CHANNEL_INFO(temp,
  72                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
  73                            HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
  74                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
  75                            HWMON_T_LABEL,
  76                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
  77                            HWMON_T_LABEL,
  78                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
  79                            HWMON_T_LABEL,
  80                            HWMON_T_INPUT | HWMON_T_LABEL,
  81                            HWMON_T_INPUT | HWMON_T_LABEL,
  82                            HWMON_T_INPUT | HWMON_T_LABEL,
  83                            HWMON_T_INPUT | HWMON_T_LABEL),
  84         HWMON_CHANNEL_INFO(in,
  85                            HWMON_I_INPUT | HWMON_I_LABEL,
  86                            HWMON_I_INPUT | HWMON_I_LABEL,
  87                            HWMON_I_INPUT | HWMON_I_LABEL,
  88                            HWMON_I_INPUT | HWMON_I_LABEL,
  89                            HWMON_I_INPUT | HWMON_I_LABEL,
  90                            HWMON_I_INPUT | HWMON_I_LABEL,
  91                            HWMON_I_INPUT | HWMON_I_LABEL,
  92                            HWMON_I_INPUT | HWMON_I_LABEL),
  93         HWMON_CHANNEL_INFO(curr,
  94                            HWMON_C_INPUT | HWMON_C_LABEL,
  95                            HWMON_C_INPUT | HWMON_C_LABEL,
  96                            HWMON_C_INPUT | HWMON_C_LABEL),
  97         HWMON_CHANNEL_INFO(power,
  98                            HWMON_P_INPUT | HWMON_P_LABEL),
  99         NULL
 100 };
 101
 102 static const struct m10bmc_sdata d5005bmc_temp_tbl[] = {
 103         { 0x100, 0x104, 0x108, 0x10c, 0x0, 500, "Board Inlet Air Temperature" },
 104         { 0x110, 0x114, 0x118, 0x0, 0x0, 500, "FPGA Core Temperature" },
 105         { 0x11c, 0x120, 0x124, 0x128, 0x0, 500, "Board Exhaust Air Temperature" },
 106         { 0x12c, 0x130, 0x134, 0x0, 0x0, 500, "FPGA Transceiver Temperature" },
 107         { 0x138, 0x13c, 0x140, 0x144, 0x0, 500, "RDIMM0 Temperature" },
 108         { 0x148, 0x14c, 0x150, 0x154, 0x0, 500, "RDIMM1 Temperature" },
 109         { 0x158, 0x15c, 0x160, 0x164, 0x0, 500, "RDIMM2 Temperature" },
 110         { 0x168, 0x16c, 0x170, 0x174, 0x0, 500, "RDIMM3 Temperature" },
 111         { 0x178, 0x17c, 0x180, 0x0, 0x0, 500, "QSFP0 Temperature" },
 112         { 0x188, 0x18c, 0x190, 0x0, 0x0, 500, "QSFP1 Temperature" },
 113         { 0x1a0, 0x1a4, 0x1a8, 0x0, 0x0, 500, "3.3v Temperature" },
 114         { 0x1bc, 0x1c0, 0x1c4, 0x0, 0x0, 500, "VCCERAM Temperature" },
 115         { 0x1d8, 0x1dc, 0x1e0, 0x0, 0x0, 500, "VCCR Temperature" },
 116         { 0x1f4, 0x1f8, 0x1fc, 0x0, 0x0, 500, "VCCT Temperature" },
 117         { 0x210, 0x214, 0x218, 0x0, 0x0, 500, "1.8v Temperature" },
 118         { 0x22c, 0x230, 0x234, 0x0, 0x0, 500, "12v Backplane Temperature" },
 119         { 0x248, 0x24c, 0x250, 0x0, 0x0, 500, "12v AUX Temperature" },
 120 };
 121
 122 static const struct m10bmc_sdata d5005bmc_in_tbl[] = {
 123         { 0x184, 0x0, 0x0, 0x0, 0x0, 1, "QSFP0 Supply Voltage" },
 124         { 0x194, 0x0, 0x0, 0x0, 0x0, 1, "QSFP1 Supply Voltage" },
 125         { 0x198, 0x0, 0x0, 0x0, 0x0, 1, "FPGA Core Voltage" },
 126         { 0x1ac, 0x1b0, 0x1b4, 0x0, 0x0, 1, "3.3v Voltage" },
 127         { 0x1c8, 0x1cc, 0x1d0, 0x0, 0x0, 1, "VCCERAM Voltage" },
 128         { 0x1e4, 0x1e8, 0x1ec, 0x0, 0x0, 1, "VCCR Voltage" },
 129         { 0x200, 0x204, 0x208, 0x0, 0x0, 1, "VCCT Voltage" },
 130         { 0x21c, 0x220, 0x224, 0x0, 0x0, 1, "1.8v Voltage" },
 131         { 0x238, 0x0, 0x0, 0x0, 0x23c, 1, "12v Backplane Voltage" },
 132         { 0x254, 0x0, 0x0, 0x0, 0x258, 1, "12v AUX Voltage" },
 133 };
 134
 135 static const struct m10bmc_sdata d5005bmc_curr_tbl[] = {
 136         { 0x19c, 0x0, 0x0, 0x0, 0x0, 1, "FPGA Core Current" },
 137         { 0x1b8, 0x0, 0x0, 0x0, 0x0, 1, "3.3v Current" },
 138         { 0x1d4, 0x0, 0x0, 0x0, 0x0, 1, "VCCERAM Current" },
 139         { 0x1f0, 0x0, 0x0, 0x0, 0x0, 1, "VCCR Current" },
 140         { 0x20c, 0x0, 0x0, 0x0, 0x0, 1, "VCCT Current" },
 141         { 0x228, 0x0, 0x0, 0x0, 0x0, 1, "1.8v Current" },
 142         { 0x240, 0x244, 0x0, 0x0, 0x0, 1, "12v Backplane Current" },
 143         { 0x25c, 0x260, 0x0, 0x0, 0x0, 1, "12v AUX Current" },
 144 };
 145
 146 static const struct m10bmc_hwmon_board_data n3000bmc_hwmon_bdata = {
 147         .tables = {
 148                 [hwmon_temp] = n3000bmc_temp_tbl,
 149                 [hwmon_in] = n3000bmc_in_tbl,
 150                 [hwmon_curr] = n3000bmc_curr_tbl,
 151                 [hwmon_power] = n3000bmc_power_tbl,
 152         },
 153
 154         .hinfo = n3000bmc_hinfo,
 155 };
 156
 157 static const struct hwmon_channel_info * const d5005bmc_hinfo[] = {
 158         HWMON_CHANNEL_INFO(temp,
 159                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
 160                            HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
 161                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 162                            HWMON_T_LABEL,
 163                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
 164                            HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
 165                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 166                            HWMON_T_LABEL,
 167                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
 168                            HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
 169                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
 170                            HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
 171                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
 172                            HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
 173                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
 174                            HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
 175                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 176                            HWMON_T_LABEL,
 177                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 178                            HWMON_T_LABEL,
 179                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 180                            HWMON_T_LABEL,
 181                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 182                            HWMON_T_LABEL,
 183                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 184                            HWMON_T_LABEL,
 185                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 186                            HWMON_T_LABEL,
 187                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 188                            HWMON_T_LABEL,
 189                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 190                            HWMON_T_LABEL,
 191                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 192                            HWMON_T_LABEL),
 193         HWMON_CHANNEL_INFO(in,
 194                            HWMON_I_INPUT | HWMON_I_LABEL,
 195                            HWMON_I_INPUT | HWMON_I_LABEL,
 196                            HWMON_I_INPUT | HWMON_I_LABEL,
 197                            HWMON_I_INPUT | HWMON_I_MAX | HWMON_I_CRIT |
 198                            HWMON_I_LABEL,
 199                            HWMON_I_INPUT | HWMON_I_MAX | HWMON_I_CRIT |
 200                            HWMON_I_LABEL,
 201                            HWMON_I_INPUT | HWMON_I_MAX | HWMON_I_CRIT |
 202                            HWMON_I_LABEL,
 203                            HWMON_I_INPUT | HWMON_I_MAX | HWMON_I_CRIT |
 204                            HWMON_I_LABEL,
 205                            HWMON_I_INPUT | HWMON_I_MAX | HWMON_I_CRIT |
 206                            HWMON_I_LABEL,
 207                            HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_LABEL,
 208                            HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_LABEL),
 209         HWMON_CHANNEL_INFO(curr,
 210                            HWMON_C_INPUT | HWMON_C_LABEL,
 211                            HWMON_C_INPUT | HWMON_C_LABEL,
 212                            HWMON_C_INPUT | HWMON_C_LABEL,
 213                            HWMON_C_INPUT | HWMON_C_LABEL,
 214                            HWMON_C_INPUT | HWMON_C_LABEL,
 215                            HWMON_C_INPUT | HWMON_C_LABEL,
 216                            HWMON_C_INPUT | HWMON_C_MAX | HWMON_C_LABEL,
 217                            HWMON_C_INPUT | HWMON_C_MAX | HWMON_C_LABEL),
 218         NULL
 219 };
 220
 221 static const struct m10bmc_hwmon_board_data d5005bmc_hwmon_bdata = {
 222         .tables = {
 223                 [hwmon_temp] = d5005bmc_temp_tbl,
 224                 [hwmon_in] = d5005bmc_in_tbl,
 225                 [hwmon_curr] = d5005bmc_curr_tbl,
 226         },
 227
 228         .hinfo = d5005bmc_hinfo,
 229 };
 230
 231 static const struct m10bmc_sdata n5010bmc_temp_tbl[] = {
 232         { 0x100, 0x0, 0x104, 0x0, 0x0, 1000, "Board Local Temperature" },
 233         { 0x108, 0x0, 0x10c, 0x0, 0x0, 1000, "FPGA 1 Temperature" },
 234         { 0x110, 0x0, 0x114, 0x0, 0x0, 1000, "FPGA 2 Temperature" },
 235         { 0x118, 0x0, 0x0, 0x0, 0x0, 1000, "Card Top Temperature" },
 236         { 0x11c, 0x0, 0x0, 0x0, 0x0, 1000, "Card Bottom Temperature" },
 237         { 0x128, 0x0, 0x0, 0x0, 0x0, 1000, "FPGA 1.2V Temperature" },
 238         { 0x134, 0x0, 0x0, 0x0, 0x0, 1000, "FPGA 5V Temperature" },
 239         { 0x140, 0x0, 0x0, 0x0, 0x0, 1000, "FPGA 0.9V Temperature" },
 240         { 0x14c, 0x0, 0x0, 0x0, 0x0, 1000, "FPGA 0.85V Temperature" },
 241         { 0x158, 0x0, 0x0, 0x0, 0x0, 1000, "AUX 12V Temperature" },
 242         { 0x164, 0x0, 0x0, 0x0, 0x0, 1000, "Backplane 12V Temperature" },
 243         { 0x1a8, 0x0, 0x0, 0x0, 0x0, 1000, "QSFP28-1 Temperature" },
 244         { 0x1ac, 0x0, 0x0, 0x0, 0x0, 1000, "QSFP28-2 Temperature" },
 245         { 0x1b0, 0x0, 0x0, 0x0, 0x0, 1000, "QSFP28-3 Temperature" },
 246         { 0x1b4, 0x0, 0x0, 0x0, 0x0, 1000, "QSFP28-4 Temperature" },
 247         { 0x1b8, 0x0, 0x0, 0x0, 0x0, 1000, "CVL1 Internal Temperature" },
 248         { 0x1bc, 0x0, 0x0, 0x0, 0x0, 1000, "CVL2 Internal Temperature" },
 249 };
 250
 251 static const struct m10bmc_sdata n5010bmc_in_tbl[] = {
 252         { 0x120, 0x0, 0x0, 0x0, 0x0, 1, "FPGA 1.2V Voltage" },
 253         { 0x12c, 0x0, 0x0, 0x0, 0x0, 1, "FPGA 5V Voltage" },
 254         { 0x138, 0x0, 0x0, 0x0, 0x0, 1, "FPGA 0.9V Voltage" },
 255         { 0x144, 0x0, 0x0, 0x0, 0x0, 1, "FPGA 0.85V Voltage" },
 256         { 0x150, 0x0, 0x0, 0x0, 0x0, 1, "AUX 12V Voltage" },
 257         { 0x15c, 0x0, 0x0, 0x0, 0x0, 1, "Backplane 12V Voltage" },
 258         { 0x16c, 0x0, 0x0, 0x0, 0x0, 1, "DDR4 1.2V Voltage" },
 259         { 0x17c, 0x0, 0x0, 0x0, 0x0, 1, "FPGA 1.8V Voltage" },
 260         { 0x184, 0x0, 0x0, 0x0, 0x0, 1, "QDR 1.3V Voltage" },
 261         { 0x18c, 0x0, 0x0, 0x0, 0x0, 1, "CVL1 0.8V Voltage" },
 262         { 0x194, 0x0, 0x0, 0x0, 0x0, 1, "CVL1 1.05V Voltage" },
 263         { 0x19c, 0x0, 0x0, 0x0, 0x0, 1, "CVL2 1.05V Voltage" },
 264         { 0x1a4, 0x0, 0x0, 0x0, 0x0, 1, "CVL2 0.8V Voltage" },
 265 };
 266
 267 static const struct m10bmc_sdata n5010bmc_curr_tbl[] = {
 268         { 0x124, 0x0, 0x0, 0x0, 0x0, 1, "FPGA 1.2V Current" },
 269         { 0x130, 0x0, 0x0, 0x0, 0x0, 1, "FPGA 5V Current" },
 270         { 0x13c, 0x0, 0x0, 0x0, 0x0, 1, "FPGA 0.9V Current" },
 271         { 0x148, 0x0, 0x0, 0x0, 0x0, 1, "FPGA 0.85V Current" },
 272         { 0x154, 0x0, 0x0, 0x0, 0x0, 1, "AUX 12V Current" },
 273         { 0x160, 0x0, 0x0, 0x0, 0x0, 1, "Backplane 12V Current" },
 274         { 0x168, 0x0, 0x0, 0x0, 0x0, 1, "DDR4 1.2V Current" },
 275         { 0x178, 0x0, 0x0, 0x0, 0x0, 1, "FPGA 1.8V Current" },
 276         { 0x180, 0x0, 0x0, 0x0, 0x0, 1, "QDR 1.3V Current" },
 277         { 0x188, 0x0, 0x0, 0x0, 0x0, 1, "CVL1 0.8V Current" },
 278         { 0x190, 0x0, 0x0, 0x0, 0x0, 1, "CVL1 1.05V Current" },
 279         { 0x198, 0x0, 0x0, 0x0, 0x0, 1, "CVL2 1.05V Current" },
 280         { 0x1a0, 0x0, 0x0, 0x0, 0x0, 1, "CVL2 0.8V Current" },
 281 };
 282
 283 static const struct hwmon_channel_info * const n5010bmc_hinfo[] = {
 284         HWMON_CHANNEL_INFO(temp,
 285                            HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_LABEL,
 286                            HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_LABEL,
 287                            HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_LABEL,
 288                            HWMON_T_INPUT | HWMON_T_LABEL,
 289                            HWMON_T_INPUT | HWMON_T_LABEL,
 290                            HWMON_T_INPUT | HWMON_T_LABEL,
 291                            HWMON_T_INPUT | HWMON_T_LABEL,
 292                            HWMON_T_INPUT | HWMON_T_LABEL,
 293                            HWMON_T_INPUT | HWMON_T_LABEL,
 294                            HWMON_T_INPUT | HWMON_T_LABEL,
 295                            HWMON_T_INPUT | HWMON_T_LABEL,
 296                            HWMON_T_INPUT | HWMON_T_LABEL,
 297                            HWMON_T_INPUT | HWMON_T_LABEL,
 298                            HWMON_T_INPUT | HWMON_T_LABEL,
 299                            HWMON_T_INPUT | HWMON_T_LABEL,
 300                            HWMON_T_INPUT | HWMON_T_LABEL,
 301                            HWMON_T_INPUT | HWMON_T_LABEL),
 302         HWMON_CHANNEL_INFO(in,
 303                            HWMON_I_INPUT | HWMON_I_LABEL,
 304                            HWMON_I_INPUT | HWMON_I_LABEL,
 305                            HWMON_I_INPUT | HWMON_I_LABEL,
 306                            HWMON_I_INPUT | HWMON_I_LABEL,
 307                            HWMON_I_INPUT | HWMON_I_LABEL,
 308                            HWMON_I_INPUT | HWMON_I_LABEL,
 309                            HWMON_I_INPUT | HWMON_I_LABEL,
 310                            HWMON_I_INPUT | HWMON_I_LABEL,
 311                            HWMON_I_INPUT | HWMON_I_LABEL,
 312                            HWMON_I_INPUT | HWMON_I_LABEL,
 313                            HWMON_I_INPUT | HWMON_I_LABEL,
 314                            HWMON_I_INPUT | HWMON_I_LABEL,
 315                            HWMON_I_INPUT | HWMON_I_LABEL),
 316         HWMON_CHANNEL_INFO(curr,
 317                            HWMON_C_INPUT | HWMON_C_LABEL,
 318                            HWMON_C_INPUT | HWMON_C_LABEL,
 319                            HWMON_C_INPUT | HWMON_C_LABEL,
 320                            HWMON_C_INPUT | HWMON_C_LABEL,
 321                            HWMON_C_INPUT | HWMON_C_LABEL,
 322                            HWMON_C_INPUT | HWMON_C_LABEL,
 323                            HWMON_C_INPUT | HWMON_C_LABEL,
 324                            HWMON_C_INPUT | HWMON_C_LABEL,
 325                            HWMON_C_INPUT | HWMON_C_LABEL,
 326                            HWMON_C_INPUT | HWMON_C_LABEL,
 327                            HWMON_C_INPUT | HWMON_C_LABEL,
 328                            HWMON_C_INPUT | HWMON_C_LABEL,
 329                            HWMON_C_INPUT | HWMON_C_LABEL),
 330         NULL
 331 };
 332
 333 static const struct m10bmc_hwmon_board_data n5010bmc_hwmon_bdata = {
 334         .tables = {
 335                 [hwmon_temp] = n5010bmc_temp_tbl,
 336                 [hwmon_in] = n5010bmc_in_tbl,
 337                 [hwmon_curr] = n5010bmc_curr_tbl,
 338         },
 339
 340         .hinfo = n5010bmc_hinfo,
 341 };
 342
 343 static const struct m10bmc_sdata n6000bmc_temp_tbl[] = {
 344         { 0x444, 0x448, 0x44c, 0x0, 0x0, 500, "FPGA E-TILE Temperature #1" },
 345         { 0x450, 0x454, 0x458, 0x0, 0x0, 500, "FPGA E-TILE Temperature #2" },
 346         { 0x45c, 0x460, 0x464, 0x0, 0x0, 500, "FPGA E-TILE Temperature #3" },
 347         { 0x468, 0x46c, 0x470, 0x0, 0x0, 500, "FPGA E-TILE Temperature #4" },
 348         { 0x474, 0x478, 0x47c, 0x0, 0x0, 500, "FPGA P-TILE Temperature" },
 349         { 0x484, 0x488, 0x48c, 0x0, 0x0, 500, "FPGA FABRIC Digital Temperature #1" },
 350         { 0x490, 0x494, 0x498, 0x0, 0x0, 500, "FPGA FABRIC Digital Temperature #2" },
 351         { 0x49c, 0x4a0, 0x4a4, 0x0, 0x0, 500, "FPGA FABRIC Digital Temperature #3" },
 352         { 0x4a8, 0x4ac, 0x4b0, 0x0, 0x0, 500, "FPGA FABRIC Digital Temperature #4" },
 353         { 0x4b4, 0x4b8, 0x4bc, 0x0, 0x0, 500, "FPGA FABRIC Digital Temperature #5" },
 354         { 0x4c0, 0x4c4, 0x4c8, 0x0, 0x0, 500, "FPGA FABRIC Remote Digital Temperature #1" },
 355         { 0x4cc, 0x4d0, 0x4d4, 0x0, 0x0, 500, "FPGA FABRIC Remote Digital Temperature #2" },
 356         { 0x4d8, 0x4dc, 0x4e0, 0x0, 0x0, 500, "FPGA FABRIC Remote Digital Temperature #3" },
 357         { 0x4e4, 0x4e8, 0x4ec, 0x0, 0x0, 500, "FPGA FABRIC Remote Digital Temperature #4" },
 358         { 0x4f0, 0x4f4, 0x4f8, 0x52c, 0x0, 500, "Board Top Near FPGA Temperature" },
 359         { 0x4fc, 0x500, 0x504, 0x52c, 0x0, 500, "Board Bottom Near CVL Temperature" },
 360         { 0x508, 0x50c, 0x510, 0x52c, 0x0, 500, "Board Top East Near VRs Temperature" },
 361         { 0x514, 0x518, 0x51c, 0x52c, 0x0, 500, "Columbiaville Die Temperature" },
 362         { 0x520, 0x524, 0x528, 0x52c, 0x0, 500, "Board Rear Side Temperature" },
 363         { 0x530, 0x534, 0x538, 0x52c, 0x0, 500, "Board Front Side Temperature" },
 364         { 0x53c, 0x540, 0x544, 0x0, 0x0, 500, "QSFP1 Case Temperature" },
 365         { 0x548, 0x54c, 0x550, 0x0, 0x0, 500, "QSFP2 Case Temperature" },
 366         { 0x554, 0x0, 0x0, 0x0, 0x0, 500, "FPGA Core Voltage Phase 0 VR Temperature" },
 367         { 0x560, 0x0, 0x0, 0x0, 0x0, 500, "FPGA Core Voltage Phase 1 VR Temperature" },
 368         { 0x56c, 0x0, 0x0, 0x0, 0x0, 500, "FPGA Core Voltage Phase 2 VR Temperature" },
 369         { 0x578, 0x0, 0x0, 0x0, 0x0, 500, "FPGA Core Voltage VR Controller Temperature" },
 370         { 0x584, 0x0, 0x0, 0x0, 0x0, 500, "FPGA VCCH VR Temperature" },
 371         { 0x590, 0x0, 0x0, 0x0, 0x0, 500, "FPGA VCC_1V2 VR Temperature" },
 372         { 0x59c, 0x0, 0x0, 0x0, 0x0, 500, "FPGA VCCH, VCC_1V2 VR Controller Temperature" },
 373         { 0x5a8, 0x0, 0x0, 0x0, 0x0, 500, "3V3 VR Temperature" },
 374         { 0x5b4, 0x0, 0x0, 0x0, 0x0, 500, "CVL Core Voltage VR Temperature" },
 375         { 0x5c4, 0x5c8, 0x5cc, 0x5c0, 0x0, 500, "FPGA P-Tile Temperature [Remote]" },
 376         { 0x5d0, 0x5d4, 0x5d8, 0x5c0, 0x0, 500, "FPGA E-Tile Temperature [Remote]" },
 377         { 0x5dc, 0x5e0, 0x5e4, 0x5c0, 0x0, 500, "FPGA SDM Temperature [Remote]" },
 378         { 0x5e8, 0x5ec, 0x5f0, 0x5c0, 0x0, 500, "FPGA Corner Temperature [Remote]" },
 379 };
 380
 381 static const struct m10bmc_sdata n6000bmc_in_tbl[] = {
 382         { 0x5f4, 0x0, 0x0, 0x0, 0x0, 1, "Inlet 12V PCIe Rail Voltage" },
 383         { 0x60c, 0x0, 0x0, 0x0, 0x0, 1, "Inlet 12V Aux Rail Voltage" },
 384         { 0x624, 0x0, 0x0, 0x0, 0x0, 1, "Inlet 3V3 PCIe Rail Voltage" },
 385         { 0x63c, 0x0, 0x0, 0x0, 0x0, 1, "FPGA Core Voltage Rail Voltage" },
 386         { 0x644, 0x0, 0x0, 0x0, 0x0, 1, "FPGA VCCH Rail Voltage" },
 387         { 0x64c, 0x0, 0x0, 0x0, 0x0, 1, "FPGA VCC_1V2 Rail Voltage" },
 388         { 0x654, 0x0, 0x0, 0x0, 0x0, 1, "FPGA VCCH_GXER_1V1, VCCA_1V8 Voltage" },
 389         { 0x664, 0x0, 0x0, 0x0, 0x0, 1, "FPGA VCCIO_1V2 Voltage" },
 390         { 0x674, 0x0, 0x0, 0x0, 0x0, 1, "CVL Non Core Rails Inlet Voltage" },
 391         { 0x684, 0x0, 0x0, 0x0, 0x0, 1, "MAX10 & Board CLK PWR 3V3 Inlet Voltage" },
 392         { 0x694, 0x0, 0x0, 0x0, 0x0, 1, "CVL Core Voltage Rail Voltage" },
 393         { 0x6ac, 0x0, 0x0, 0x0, 0x0, 1, "Board 3V3 VR Voltage" },
 394         { 0x6b4, 0x0, 0x0, 0x0, 0x0, 1, "QSFP 3V3 Rail Voltage" },
 395         { 0x6c4, 0x0, 0x0, 0x0, 0x0, 1, "QSFP (Primary) Supply Rail Voltage" },
 396         { 0x6c8, 0x0, 0x0, 0x0, 0x0, 1, "QSFP (Secondary) Supply Rail Voltage" },
 397         { 0x6cc, 0x0, 0x0, 0x0, 0x0, 1, "VCCCLK_GXER_2V5 Voltage" },
 398         { 0x6d0, 0x0, 0x0, 0x0, 0x0, 1, "AVDDH_1V1_CVL Voltage" },
 399         { 0x6d4, 0x0, 0x0, 0x0, 0x0, 1, "VDDH_1V8_CVL Voltage" },
 400         { 0x6d8, 0x0, 0x0, 0x0, 0x0, 1, "VCCA_PLL Voltage" },
 401         { 0x6e0, 0x0, 0x0, 0x0, 0x0, 1, "VCCRT_GXER_0V9 Voltage" },
 402         { 0x6e8, 0x0, 0x0, 0x0, 0x0, 1, "VCCRT_GXPL_0V9 Voltage" },
 403         { 0x6f0, 0x0, 0x0, 0x0, 0x0, 1, "VCCH_GXPL_1V8 Voltage" },
 404         { 0x6f4, 0x0, 0x0, 0x0, 0x0, 1, "VCCPT_1V8 Voltage" },
 405         { 0x6fc, 0x0, 0x0, 0x0, 0x0, 1, "VCC_3V3_M10 Voltage" },
 406         { 0x700, 0x0, 0x0, 0x0, 0x0, 1, "VCC_1V8_M10 Voltage" },
 407         { 0x704, 0x0, 0x0, 0x0, 0x0, 1, "VCC_1V2_EMIF1_2_3 Voltage" },
 408         { 0x70c, 0x0, 0x0, 0x0, 0x0, 1, "VCC_1V2_EMIF4_5 Voltage" },
 409         { 0x714, 0x0, 0x0, 0x0, 0x0, 1, "VCCA_1V8 Voltage" },
 410         { 0x718, 0x0, 0x0, 0x0, 0x0, 1, "VCCH_GXER_1V1 Voltage" },
 411         { 0x71c, 0x0, 0x0, 0x0, 0x0, 1, "AVDD_ETH_0V9_CVL Voltage" },
 412         { 0x720, 0x0, 0x0, 0x0, 0x0, 1, "AVDD_PCIE_0V9_CVL Voltage" },
 413 };
 414
 415 static const struct m10bmc_sdata n6000bmc_curr_tbl[] = {
 416         { 0x600, 0x604, 0x608, 0x0, 0x0, 1, "Inlet 12V PCIe Rail Current" },
 417         { 0x618, 0x61c, 0x620, 0x0, 0x0, 1, "Inlet 12V Aux Rail Current" },
 418         { 0x630, 0x634, 0x638, 0x0, 0x0, 1, "Inlet 3V3 PCIe Rail Current" },
 419         { 0x640, 0x0, 0x0, 0x0, 0x0, 1, "FPGA Core Voltage Rail Current" },
 420         { 0x648, 0x0, 0x0, 0x0, 0x0, 1, "FPGA VCCH Rail Current" },
 421         { 0x650, 0x0, 0x0, 0x0, 0x0, 1, "FPGA VCC_1V2 Rail Current" },
 422         { 0x658, 0x65c, 0x660, 0x0, 0x0, 1, "FPGA VCCH_GXER_1V1, VCCA_1V8 Current" },
 423         { 0x668, 0x66c, 0x670, 0x0, 0x0, 1, "FPGA VCCIO_1V2 Current" },
 424         { 0x678, 0x67c, 0x680, 0x0, 0x0, 1, "CVL Non Core Rails Inlet Current" },
 425         { 0x688, 0x68c, 0x690, 0x0, 0x0, 1, "MAX10 & Board CLK PWR 3V3 Inlet Current" },
 426         { 0x698, 0x0, 0x0, 0x0, 0x0, 1, "CVL Core Voltage Rail Current" },
 427         { 0x6b0, 0x0, 0x0, 0x0, 0x0, 1, "Board 3V3 VR Current" },
 428         { 0x6b8, 0x6bc, 0x6c0, 0x0, 0x0, 1, "QSFP 3V3 Rail Current" },
 429 };
 430
 431 static const struct m10bmc_sdata n6000bmc_power_tbl[] = {
 432         { 0x724, 0x0, 0x0, 0x0, 0x0, 1, "Board Power" },
 433 };
 434
 435 static const struct hwmon_channel_info * const n6000bmc_hinfo[] = {
 436         HWMON_CHANNEL_INFO(temp,
 437                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 438                            HWMON_T_LABEL,
 439                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 440                            HWMON_T_LABEL,
 441                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 442                            HWMON_T_LABEL,
 443                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 444                            HWMON_T_LABEL,
 445                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 446                            HWMON_T_LABEL,
 447                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 448                            HWMON_T_LABEL,
 449                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 450                            HWMON_T_LABEL,
 451                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 452                            HWMON_T_LABEL,
 453                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 454                            HWMON_T_LABEL,
 455                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 456                            HWMON_T_LABEL,
 457                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 458                            HWMON_T_LABEL,
 459                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 460                            HWMON_T_LABEL,
 461                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 462                            HWMON_T_LABEL,
 463                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 464                            HWMON_T_LABEL,
 465                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
 466                            HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
 467                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
 468                            HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
 469                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
 470                            HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
 471                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
 472                            HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
 473                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
 474                            HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
 475                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
 476                            HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
 477                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 478                            HWMON_T_LABEL,
 479                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
 480                            HWMON_T_LABEL,
 481                            HWMON_T_INPUT | HWMON_T_LABEL,
 482                            HWMON_T_INPUT | HWMON_T_LABEL,
 483                            HWMON_T_INPUT | HWMON_T_LABEL,
 484                            HWMON_T_INPUT | HWMON_T_LABEL,
 485                            HWMON_T_INPUT | HWMON_T_LABEL,
 486                            HWMON_T_INPUT | HWMON_T_LABEL,
 487                            HWMON_T_INPUT | HWMON_T_LABEL,
 488                            HWMON_T_INPUT | HWMON_T_LABEL,
 489                            HWMON_T_INPUT | HWMON_T_LABEL,
 490                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
 491                            HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
 492                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
 493                            HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
 494                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
 495                            HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
 496                            HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
 497                            HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL),
 498         HWMON_CHANNEL_INFO(in,
 499                            HWMON_I_INPUT | HWMON_I_LABEL,
 500                            HWMON_I_INPUT | HWMON_I_LABEL,
 501                            HWMON_I_INPUT | HWMON_I_LABEL,
 502                            HWMON_I_INPUT | HWMON_I_LABEL,
 503                            HWMON_I_INPUT | HWMON_I_LABEL,
 504                            HWMON_I_INPUT | HWMON_I_LABEL,
 505                            HWMON_I_INPUT | HWMON_I_LABEL,
 506                            HWMON_I_INPUT | HWMON_I_LABEL,
 507                            HWMON_I_INPUT | HWMON_I_LABEL,
 508                            HWMON_I_INPUT | HWMON_I_LABEL,
 509                            HWMON_I_INPUT | HWMON_I_LABEL,
 510                            HWMON_I_INPUT | HWMON_I_LABEL,
 511                            HWMON_I_INPUT | HWMON_I_LABEL,
 512                            HWMON_I_INPUT | HWMON_I_LABEL,
 513                            HWMON_I_INPUT | HWMON_I_LABEL,
 514                            HWMON_I_INPUT | HWMON_I_LABEL,
 515                            HWMON_I_INPUT | HWMON_I_LABEL,
 516                            HWMON_I_INPUT | HWMON_I_LABEL,
 517                            HWMON_I_INPUT | HWMON_I_LABEL,
 518                            HWMON_I_INPUT | HWMON_I_LABEL,
 519                            HWMON_I_INPUT | HWMON_I_LABEL,
 520                            HWMON_I_INPUT | HWMON_I_LABEL,
 521                            HWMON_I_INPUT | HWMON_I_LABEL,
 522                            HWMON_I_INPUT | HWMON_I_LABEL,
 523                            HWMON_I_INPUT | HWMON_I_LABEL,
 524                            HWMON_I_INPUT | HWMON_I_LABEL,
 525                            HWMON_I_INPUT | HWMON_I_LABEL,
 526                            HWMON_I_INPUT | HWMON_I_LABEL,
 527                            HWMON_I_INPUT | HWMON_I_LABEL,
 528                            HWMON_I_INPUT | HWMON_I_LABEL,
 529                            HWMON_I_INPUT | HWMON_I_LABEL),
 530         HWMON_CHANNEL_INFO(curr,
 531                            HWMON_C_INPUT | HWMON_C_MAX | HWMON_C_CRIT |
 532                            HWMON_C_LABEL,
 533                            HWMON_C_INPUT | HWMON_C_MAX | HWMON_C_CRIT |
 534                            HWMON_C_LABEL,
 535                            HWMON_C_INPUT | HWMON_C_MAX | HWMON_C_CRIT |
 536                            HWMON_C_LABEL,
 537                            HWMON_C_INPUT | HWMON_C_LABEL,
 538                            HWMON_C_INPUT | HWMON_C_LABEL,
 539                            HWMON_C_INPUT | HWMON_C_LABEL,
 540                            HWMON_C_INPUT | HWMON_C_MAX | HWMON_C_CRIT |
 541                            HWMON_C_LABEL,
 542                            HWMON_C_INPUT | HWMON_C_MAX | HWMON_C_CRIT |
 543                            HWMON_C_LABEL,
 544                            HWMON_C_INPUT | HWMON_C_MAX | HWMON_C_CRIT |
 545                            HWMON_C_LABEL,
 546                            HWMON_C_INPUT | HWMON_C_MAX | HWMON_C_CRIT |
 547                            HWMON_C_LABEL,
 548                            HWMON_C_INPUT | HWMON_C_LABEL,
 549                            HWMON_C_INPUT | HWMON_C_LABEL,
 550                            HWMON_C_INPUT | HWMON_C_MAX | HWMON_C_CRIT |
 551                            HWMON_C_LABEL),
 552         HWMON_CHANNEL_INFO(power,
 553                            HWMON_P_INPUT | HWMON_P_LABEL),
 554         NULL
 555 };
 556
 557 static const struct m10bmc_hwmon_board_data n6000bmc_hwmon_bdata = {
 558         .tables = {
 559                 [hwmon_temp] = n6000bmc_temp_tbl,
 560                 [hwmon_in] = n6000bmc_in_tbl,
 561                 [hwmon_curr] = n6000bmc_curr_tbl,
 562                 [hwmon_power] = n6000bmc_power_tbl,
 563         },
 564
 565         .hinfo = n6000bmc_hinfo,
 566 };
 567
 568 static umode_t
 569 m10bmc_hwmon_is_visible(const void *data, enum hwmon_sensor_types type,
 570                         u32 attr, int channel)
 571 {
 572         return 0444;
 573 }
 574
 575 static const struct m10bmc_sdata *
 576 find_sensor_data(struct m10bmc_hwmon *hw, enum hwmon_sensor_types type,
 577                  int channel)
 578 {
 579         const struct m10bmc_sdata *tbl;
 580
 581         tbl = hw->bdata->tables[type];
 582         if (!tbl)
 583                 return ERR_PTR(-EOPNOTSUPP);
 584
 585         return &tbl[channel];
 586 }
 587
 588 static int do_sensor_read(struct m10bmc_hwmon *hw,
 589                           const struct m10bmc_sdata *data,
 590                           unsigned int regoff, long *val)
 591 {
 592         unsigned int regval;
 593         int ret;
 594
 595         ret = m10bmc_sys_read(hw->m10bmc, regoff, &regval);
 596         if (ret)
 597                 return ret;
 598
 599         /*
 600          * BMC Firmware will return 0xdeadbeef if the sensor value is invalid
 601          * at that time. This usually happens on sensor channels which connect
 602          * to external pluggable modules, e.g. QSFP temperature and voltage.
 603          * When the QSFP is unplugged from cage, driver will get 0xdeadbeef
 604          * from their registers.
 605          */
 606         if (regval == 0xdeadbeef)
 607                 return -ENODATA;
 608
 609         *val = regval * data->multiplier;
 610
 611         return 0;
 612 }
 613
 614 static int m10bmc_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
 615                              u32 attr, int channel, long *val)
 616 {
 617         struct m10bmc_hwmon *hw = dev_get_drvdata(dev);
 618         unsigned int reg = 0, reg_hyst = 0;
 619         const struct m10bmc_sdata *data;
 620         long hyst, value;
 621         int ret;
 622
 623         data = find_sensor_data(hw, type, channel);
 624         if (IS_ERR(data))
 625                 return PTR_ERR(data);
 626
 627         switch (type) {
 628         case hwmon_temp:
 629                 switch (attr) {
 630                 case hwmon_temp_input:
 631                         reg = data->reg_input;
 632                         break;
 633                 case hwmon_temp_max_hyst:
 634                         reg_hyst = data->reg_hyst;
 635                         fallthrough;
 636                 case hwmon_temp_max:
 637                         reg = data->reg_max;
 638                         break;
 639                 case hwmon_temp_crit_hyst:
 640                         reg_hyst = data->reg_hyst;
 641                         fallthrough;
 642                 case hwmon_temp_crit:
 643                         reg = data->reg_crit;
 644                         break;
 645                 default:
 646                         return -EOPNOTSUPP;
 647                 }
 648                 break;
 649         case hwmon_in:
 650                 switch (attr) {
 651                 case hwmon_in_input:
 652                         reg = data->reg_input;
 653                         break;
 654                 case hwmon_in_max:
 655                         reg = data->reg_max;
 656                         break;
 657                 case hwmon_in_crit:
 658                         reg = data->reg_crit;
 659                         break;
 660                 case hwmon_in_min:
 661                         reg = data->reg_min;
 662                         break;
 663                 default:
 664                         return -EOPNOTSUPP;
 665                 }
 666                 break;
 667         case hwmon_curr:
 668                 switch (attr) {
 669                 case hwmon_curr_input:
 670                         reg = data->reg_input;
 671                         break;
 672                 case hwmon_curr_max:
 673                         reg = data->reg_max;
 674                         break;
 675                 case hwmon_curr_crit:
 676                         reg = data->reg_crit;
 677                         break;
 678                 default:
 679                         return -EOPNOTSUPP;
 680                 }
 681                 break;
 682         case hwmon_power:
 683                 switch (attr) {
 684                 case hwmon_power_input:
 685                         reg = data->reg_input;
 686                         break;
 687                 default:
 688                         return -EOPNOTSUPP;
 689                 }
 690                 break;
 691         default:
 692                 return -EOPNOTSUPP;
 693         }
 694
 695         if (!reg)
 696                 return -EOPNOTSUPP;
 697
 698         ret = do_sensor_read(hw, data, reg, &value);
 699         if (ret)
 700                 return ret;
 701
 702         if (reg_hyst) {
 703                 ret = do_sensor_read(hw, data, reg_hyst, &hyst);
 704                 if (ret)
 705                         return ret;
 706
 707                 value -= hyst;
 708         }
 709
 710         *val = value;
 711
 712         return 0;
 713 }
 714
 715 static int m10bmc_hwmon_read_string(struct device *dev,
 716                                     enum hwmon_sensor_types type,
 717                                     u32 attr, int channel, const char **str)
 718 {
 719         struct m10bmc_hwmon *hw = dev_get_drvdata(dev);
 720         const struct m10bmc_sdata *data;
 721
 722         data = find_sensor_data(hw, type, channel);
 723         if (IS_ERR(data))
 724                 return PTR_ERR(data);
 725
 726         *str = data->label;
 727
 728         return 0;
 729 }
 730
 731 static const struct hwmon_ops m10bmc_hwmon_ops = {
 732         .is_visible = m10bmc_hwmon_is_visible,
 733         .read = m10bmc_hwmon_read,
 734         .read_string = m10bmc_hwmon_read_string,
 735 };
 736
 737 static int m10bmc_hwmon_probe(struct platform_device *pdev)
 738 {
 739         const struct platform_device_id *id = platform_get_device_id(pdev);
 740         struct intel_m10bmc *m10bmc = dev_get_drvdata(pdev->dev.parent);
 741         struct device *hwmon_dev, *dev = &pdev->dev;
 742         struct m10bmc_hwmon *hw;
 743
 744         hw = devm_kzalloc(dev, sizeof(*hw), GFP_KERNEL);
 745         if (!hw)
 746                 return -ENOMEM;
 747
 748         hw->dev = dev;
 749         hw->m10bmc = m10bmc;
 750         hw->bdata = (const struct m10bmc_hwmon_board_data *)id->driver_data;
 751
 752         hw->chip.info = hw->bdata->hinfo;
 753         hw->chip.ops = &m10bmc_hwmon_ops;
 754
 755         hw->hw_name = devm_hwmon_sanitize_name(dev, id->name);
 756         if (IS_ERR(hw->hw_name))
 757                 return PTR_ERR(hw->hw_name);
 758
 759         hwmon_dev = devm_hwmon_device_register_with_info(dev, hw->hw_name,
 760                                                          hw, &hw->chip, NULL);
 761         return PTR_ERR_OR_ZERO(hwmon_dev);
 762 }
 763
 764 static const struct platform_device_id intel_m10bmc_hwmon_ids[] = {
 765         {
 766                 .name = "n3000bmc-hwmon",
 767                 .driver_data = (unsigned long)&n3000bmc_hwmon_bdata,
 768         },
 769         {
 770                 .name = "d5005bmc-hwmon",
 771                 .driver_data = (unsigned long)&d5005bmc_hwmon_bdata,
 772         },
 773         {
 774                 .name = "n5010bmc-hwmon",
 775                 .driver_data = (unsigned long)&n5010bmc_hwmon_bdata,
 776         },
 777         {
 778                 .name = "n6000bmc-hwmon",
 779                 .driver_data = (unsigned long)&n6000bmc_hwmon_bdata,
 780         },
 781         { }
 782 };
 783
 784 static struct platform_driver intel_m10bmc_hwmon_driver = {
 785         .probe = m10bmc_hwmon_probe,
 786         .driver = {
 787                 .name = "intel-m10-bmc-hwmon",
 788         },
 789         .id_table = intel_m10bmc_hwmon_ids,
 790 };
 791 module_platform_driver(intel_m10bmc_hwmon_driver);
 792
 793 MODULE_DEVICE_TABLE(platform, intel_m10bmc_hwmon_ids);
 794 MODULE_AUTHOR("Intel Corporation");
 795 MODULE_DESCRIPTION("Intel MAX 10 BMC hardware monitor");
 796 MODULE_LICENSE("GPL");
 797 MODULE_IMPORT_NS(INTEL_M10_BMC_CORE);