0001
0002
0003
0004
0005
0006
0007
0008 #include <linux/device.h>
0009 #include <linux/hwmon.h>
0010 #include <linux/mfd/intel-m10-bmc.h>
0011 #include <linux/module.h>
0012 #include <linux/mod_devicetable.h>
0013 #include <linux/platform_device.h>
0014
0015 struct m10bmc_sdata {
0016 unsigned int reg_input;
0017 unsigned int reg_max;
0018 unsigned int reg_crit;
0019 unsigned int reg_hyst;
0020 unsigned int reg_min;
0021 unsigned int multiplier;
0022 const char *label;
0023 };
0024
0025 struct m10bmc_hwmon_board_data {
0026 const struct m10bmc_sdata *tables[hwmon_max];
0027 const struct hwmon_channel_info **hinfo;
0028 };
0029
0030 struct m10bmc_hwmon {
0031 struct device *dev;
0032 struct hwmon_chip_info chip;
0033 char *hw_name;
0034 struct intel_m10bmc *m10bmc;
0035 const struct m10bmc_hwmon_board_data *bdata;
0036 };
0037
0038 static const struct m10bmc_sdata n3000bmc_temp_tbl[] = {
0039 { 0x100, 0x104, 0x108, 0x10c, 0x0, 500, "Board Temperature" },
0040 { 0x110, 0x114, 0x118, 0x0, 0x0, 500, "FPGA Die Temperature" },
0041 { 0x11c, 0x124, 0x120, 0x0, 0x0, 500, "QSFP0 Temperature" },
0042 { 0x12c, 0x134, 0x130, 0x0, 0x0, 500, "QSFP1 Temperature" },
0043 { 0x168, 0x0, 0x0, 0x0, 0x0, 500, "Retimer A Temperature" },
0044 { 0x16c, 0x0, 0x0, 0x0, 0x0, 500, "Retimer A SerDes Temperature" },
0045 { 0x170, 0x0, 0x0, 0x0, 0x0, 500, "Retimer B Temperature" },
0046 { 0x174, 0x0, 0x0, 0x0, 0x0, 500, "Retimer B SerDes Temperature" },
0047 };
0048
0049 static const struct m10bmc_sdata n3000bmc_in_tbl[] = {
0050 { 0x128, 0x0, 0x0, 0x0, 0x0, 1, "QSFP0 Supply Voltage" },
0051 { 0x138, 0x0, 0x0, 0x0, 0x0, 1, "QSFP1 Supply Voltage" },
0052 { 0x13c, 0x0, 0x0, 0x0, 0x0, 1, "FPGA Core Voltage" },
0053 { 0x144, 0x0, 0x0, 0x0, 0x0, 1, "12V Backplane Voltage" },
0054 { 0x14c, 0x0, 0x0, 0x0, 0x0, 1, "1.2V Voltage" },
0055 { 0x150, 0x0, 0x0, 0x0, 0x0, 1, "12V AUX Voltage" },
0056 { 0x158, 0x0, 0x0, 0x0, 0x0, 1, "1.8V Voltage" },
0057 { 0x15c, 0x0, 0x0, 0x0, 0x0, 1, "3.3V Voltage" },
0058 };
0059
0060 static const struct m10bmc_sdata n3000bmc_curr_tbl[] = {
0061 { 0x140, 0x0, 0x0, 0x0, 0x0, 1, "FPGA Core Current" },
0062 { 0x148, 0x0, 0x0, 0x0, 0x0, 1, "12V Backplane Current" },
0063 { 0x154, 0x0, 0x0, 0x0, 0x0, 1, "12V AUX Current" },
0064 };
0065
0066 static const struct m10bmc_sdata n3000bmc_power_tbl[] = {
0067 { 0x160, 0x0, 0x0, 0x0, 0x0, 1000, "Board Power" },
0068 };
0069
0070 static const struct hwmon_channel_info *n3000bmc_hinfo[] = {
0071 HWMON_CHANNEL_INFO(temp,
0072 HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
0073 HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
0074 HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
0075 HWMON_T_LABEL,
0076 HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
0077 HWMON_T_LABEL,
0078 HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
0079 HWMON_T_LABEL,
0080 HWMON_T_INPUT | HWMON_T_LABEL,
0081 HWMON_T_INPUT | HWMON_T_LABEL,
0082 HWMON_T_INPUT | HWMON_T_LABEL,
0083 HWMON_T_INPUT | HWMON_T_LABEL),
0084 HWMON_CHANNEL_INFO(in,
0085 HWMON_I_INPUT | HWMON_I_LABEL,
0086 HWMON_I_INPUT | HWMON_I_LABEL,
0087 HWMON_I_INPUT | HWMON_I_LABEL,
0088 HWMON_I_INPUT | HWMON_I_LABEL,
0089 HWMON_I_INPUT | HWMON_I_LABEL,
0090 HWMON_I_INPUT | HWMON_I_LABEL,
0091 HWMON_I_INPUT | HWMON_I_LABEL,
0092 HWMON_I_INPUT | HWMON_I_LABEL),
0093 HWMON_CHANNEL_INFO(curr,
0094 HWMON_C_INPUT | HWMON_C_LABEL,
0095 HWMON_C_INPUT | HWMON_C_LABEL,
0096 HWMON_C_INPUT | HWMON_C_LABEL),
0097 HWMON_CHANNEL_INFO(power,
0098 HWMON_P_INPUT | HWMON_P_LABEL),
0099 NULL
0100 };
0101
0102 static const struct m10bmc_sdata d5005bmc_temp_tbl[] = {
0103 { 0x100, 0x104, 0x108, 0x10c, 0x0, 500, "Board Inlet Air Temperature" },
0104 { 0x110, 0x114, 0x118, 0x0, 0x0, 500, "FPGA Core Temperature" },
0105 { 0x11c, 0x120, 0x124, 0x128, 0x0, 500, "Board Exhaust Air Temperature" },
0106 { 0x12c, 0x130, 0x134, 0x0, 0x0, 500, "FPGA Transceiver Temperature" },
0107 { 0x138, 0x13c, 0x140, 0x144, 0x0, 500, "RDIMM0 Temperature" },
0108 { 0x148, 0x14c, 0x150, 0x154, 0x0, 500, "RDIMM1 Temperature" },
0109 { 0x158, 0x15c, 0x160, 0x164, 0x0, 500, "RDIMM2 Temperature" },
0110 { 0x168, 0x16c, 0x170, 0x174, 0x0, 500, "RDIMM3 Temperature" },
0111 { 0x178, 0x17c, 0x180, 0x0, 0x0, 500, "QSFP0 Temperature" },
0112 { 0x188, 0x18c, 0x190, 0x0, 0x0, 500, "QSFP1 Temperature" },
0113 { 0x1a0, 0x1a4, 0x1a8, 0x0, 0x0, 500, "3.3v Temperature" },
0114 { 0x1bc, 0x1c0, 0x1c4, 0x0, 0x0, 500, "VCCERAM Temperature" },
0115 { 0x1d8, 0x1dc, 0x1e0, 0x0, 0x0, 500, "VCCR Temperature" },
0116 { 0x1f4, 0x1f8, 0x1fc, 0x0, 0x0, 500, "VCCT Temperature" },
0117 { 0x210, 0x214, 0x218, 0x0, 0x0, 500, "1.8v Temperature" },
0118 { 0x22c, 0x230, 0x234, 0x0, 0x0, 500, "12v Backplane Temperature" },
0119 { 0x248, 0x24c, 0x250, 0x0, 0x0, 500, "12v AUX Temperature" },
0120 };
0121
0122 static const struct m10bmc_sdata d5005bmc_in_tbl[] = {
0123 { 0x184, 0x0, 0x0, 0x0, 0x0, 1, "QSFP0 Supply Voltage" },
0124 { 0x194, 0x0, 0x0, 0x0, 0x0, 1, "QSFP1 Supply Voltage" },
0125 { 0x198, 0x0, 0x0, 0x0, 0x0, 1, "FPGA Core Voltage" },
0126 { 0x1ac, 0x1b0, 0x1b4, 0x0, 0x0, 1, "3.3v Voltage" },
0127 { 0x1c8, 0x1cc, 0x1d0, 0x0, 0x0, 1, "VCCERAM Voltage" },
0128 { 0x1e4, 0x1e8, 0x1ec, 0x0, 0x0, 1, "VCCR Voltage" },
0129 { 0x200, 0x204, 0x208, 0x0, 0x0, 1, "VCCT Voltage" },
0130 { 0x21c, 0x220, 0x224, 0x0, 0x0, 1, "1.8v Voltage" },
0131 { 0x238, 0x0, 0x0, 0x0, 0x23c, 1, "12v Backplane Voltage" },
0132 { 0x254, 0x0, 0x0, 0x0, 0x258, 1, "12v AUX Voltage" },
0133 };
0134
0135 static const struct m10bmc_sdata d5005bmc_curr_tbl[] = {
0136 { 0x19c, 0x0, 0x0, 0x0, 0x0, 1, "FPGA Core Current" },
0137 { 0x1b8, 0x0, 0x0, 0x0, 0x0, 1, "3.3v Current" },
0138 { 0x1d4, 0x0, 0x0, 0x0, 0x0, 1, "VCCERAM Current" },
0139 { 0x1f0, 0x0, 0x0, 0x0, 0x0, 1, "VCCR Current" },
0140 { 0x20c, 0x0, 0x0, 0x0, 0x0, 1, "VCCT Current" },
0141 { 0x228, 0x0, 0x0, 0x0, 0x0, 1, "1.8v Current" },
0142 { 0x240, 0x244, 0x0, 0x0, 0x0, 1, "12v Backplane Current" },
0143 { 0x25c, 0x260, 0x0, 0x0, 0x0, 1, "12v AUX Current" },
0144 };
0145
0146 static const struct m10bmc_hwmon_board_data n3000bmc_hwmon_bdata = {
0147 .tables = {
0148 [hwmon_temp] = n3000bmc_temp_tbl,
0149 [hwmon_in] = n3000bmc_in_tbl,
0150 [hwmon_curr] = n3000bmc_curr_tbl,
0151 [hwmon_power] = n3000bmc_power_tbl,
0152 },
0153
0154 .hinfo = n3000bmc_hinfo,
0155 };
0156
0157 static const struct hwmon_channel_info *d5005bmc_hinfo[] = {
0158 HWMON_CHANNEL_INFO(temp,
0159 HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
0160 HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
0161 HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
0162 HWMON_T_LABEL,
0163 HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
0164 HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
0165 HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
0166 HWMON_T_LABEL,
0167 HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
0168 HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
0169 HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
0170 HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
0171 HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
0172 HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
0173 HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_MAX_HYST |
0174 HWMON_T_CRIT | HWMON_T_CRIT_HYST | HWMON_T_LABEL,
0175 HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
0176 HWMON_T_LABEL,
0177 HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
0178 HWMON_T_LABEL,
0179 HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
0180 HWMON_T_LABEL,
0181 HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
0182 HWMON_T_LABEL,
0183 HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
0184 HWMON_T_LABEL,
0185 HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
0186 HWMON_T_LABEL,
0187 HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
0188 HWMON_T_LABEL,
0189 HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
0190 HWMON_T_LABEL,
0191 HWMON_T_INPUT | HWMON_T_MAX | HWMON_T_CRIT |
0192 HWMON_T_LABEL),
0193 HWMON_CHANNEL_INFO(in,
0194 HWMON_I_INPUT | HWMON_I_LABEL,
0195 HWMON_I_INPUT | HWMON_I_LABEL,
0196 HWMON_I_INPUT | HWMON_I_LABEL,
0197 HWMON_I_INPUT | HWMON_I_MAX | HWMON_I_CRIT |
0198 HWMON_I_LABEL,
0199 HWMON_I_INPUT | HWMON_I_MAX | HWMON_I_CRIT |
0200 HWMON_I_LABEL,
0201 HWMON_I_INPUT | HWMON_I_MAX | HWMON_I_CRIT |
0202 HWMON_I_LABEL,
0203 HWMON_I_INPUT | HWMON_I_MAX | HWMON_I_CRIT |
0204 HWMON_I_LABEL,
0205 HWMON_I_INPUT | HWMON_I_MAX | HWMON_I_CRIT |
0206 HWMON_I_LABEL,
0207 HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_LABEL,
0208 HWMON_I_INPUT | HWMON_I_MIN | HWMON_I_LABEL),
0209 HWMON_CHANNEL_INFO(curr,
0210 HWMON_C_INPUT | HWMON_C_LABEL,
0211 HWMON_C_INPUT | HWMON_C_LABEL,
0212 HWMON_C_INPUT | HWMON_C_LABEL,
0213 HWMON_C_INPUT | HWMON_C_LABEL,
0214 HWMON_C_INPUT | HWMON_C_LABEL,
0215 HWMON_C_INPUT | HWMON_C_LABEL,
0216 HWMON_C_INPUT | HWMON_C_MAX | HWMON_C_LABEL,
0217 HWMON_C_INPUT | HWMON_C_MAX | HWMON_C_LABEL),
0218 NULL
0219 };
0220
0221 static const struct m10bmc_hwmon_board_data d5005bmc_hwmon_bdata = {
0222 .tables = {
0223 [hwmon_temp] = d5005bmc_temp_tbl,
0224 [hwmon_in] = d5005bmc_in_tbl,
0225 [hwmon_curr] = d5005bmc_curr_tbl,
0226 },
0227
0228 .hinfo = d5005bmc_hinfo,
0229 };
0230
0231 static const struct m10bmc_sdata n5010bmc_temp_tbl[] = {
0232 { 0x100, 0x0, 0x104, 0x0, 0x0, 1000, "Board Local Temperature" },
0233 { 0x108, 0x0, 0x10c, 0x0, 0x0, 1000, "FPGA 1 Temperature" },
0234 { 0x110, 0x0, 0x114, 0x0, 0x0, 1000, "FPGA 2 Temperature" },
0235 { 0x118, 0x0, 0x0, 0x0, 0x0, 1000, "Card Top Temperature" },
0236 { 0x11c, 0x0, 0x0, 0x0, 0x0, 1000, "Card Bottom Temperature" },
0237 { 0x128, 0x0, 0x0, 0x0, 0x0, 1000, "FPGA 1.2V Temperature" },
0238 { 0x134, 0x0, 0x0, 0x0, 0x0, 1000, "FPGA 5V Temperature" },
0239 { 0x140, 0x0, 0x0, 0x0, 0x0, 1000, "FPGA 0.9V Temperature" },
0240 { 0x14c, 0x0, 0x0, 0x0, 0x0, 1000, "FPGA 0.85V Temperature" },
0241 { 0x158, 0x0, 0x0, 0x0, 0x0, 1000, "AUX 12V Temperature" },
0242 { 0x164, 0x0, 0x0, 0x0, 0x0, 1000, "Backplane 12V Temperature" },
0243 { 0x1a8, 0x0, 0x0, 0x0, 0x0, 1000, "QSFP28-1 Temperature" },
0244 { 0x1ac, 0x0, 0x0, 0x0, 0x0, 1000, "QSFP28-2 Temperature" },
0245 { 0x1b0, 0x0, 0x0, 0x0, 0x0, 1000, "QSFP28-3 Temperature" },
0246 { 0x1b4, 0x0, 0x0, 0x0, 0x0, 1000, "QSFP28-4 Temperature" },
0247 { 0x1b8, 0x0, 0x0, 0x0, 0x0, 1000, "CVL1 Internal Temperature" },
0248 { 0x1bc, 0x0, 0x0, 0x0, 0x0, 1000, "CVL2 Internal Temperature" },
0249 };
0250
0251 static const struct m10bmc_sdata n5010bmc_in_tbl[] = {
0252 { 0x120, 0x0, 0x0, 0x0, 0x0, 1, "FPGA 1.2V Voltage" },
0253 { 0x12c, 0x0, 0x0, 0x0, 0x0, 1, "FPGA 5V Voltage" },
0254 { 0x138, 0x0, 0x0, 0x0, 0x0, 1, "FPGA 0.9V Voltage" },
0255 { 0x144, 0x0, 0x0, 0x0, 0x0, 1, "FPGA 0.85V Voltage" },
0256 { 0x150, 0x0, 0x0, 0x0, 0x0, 1, "AUX 12V Voltage" },
0257 { 0x15c, 0x0, 0x0, 0x0, 0x0, 1, "Backplane 12V Voltage" },
0258 { 0x16c, 0x0, 0x0, 0x0, 0x0, 1, "DDR4 1.2V Voltage" },
0259 { 0x17c, 0x0, 0x0, 0x0, 0x0, 1, "FPGA 1.8V Voltage" },
0260 { 0x184, 0x0, 0x0, 0x0, 0x0, 1, "QDR 1.3V Voltage" },
0261 { 0x18c, 0x0, 0x0, 0x0, 0x0, 1, "CVL1 0.8V Voltage" },
0262 { 0x194, 0x0, 0x0, 0x0, 0x0, 1, "CVL1 1.05V Voltage" },
0263 { 0x19c, 0x0, 0x0, 0x0, 0x0, 1, "CVL2 1.05V Voltage" },
0264 { 0x1a4, 0x0, 0x0, 0x0, 0x0, 1, "CVL2 0.8V Voltage" },
0265 };
0266
0267 static const struct m10bmc_sdata n5010bmc_curr_tbl[] = {
0268 { 0x124, 0x0, 0x0, 0x0, 0x0, 1, "FPGA 1.2V Current" },
0269 { 0x130, 0x0, 0x0, 0x0, 0x0, 1, "FPGA 5V Current" },
0270 { 0x13c, 0x0, 0x0, 0x0, 0x0, 1, "FPGA 0.9V Current" },
0271 { 0x148, 0x0, 0x0, 0x0, 0x0, 1, "FPGA 0.85V Current" },
0272 { 0x154, 0x0, 0x0, 0x0, 0x0, 1, "AUX 12V Current" },
0273 { 0x160, 0x0, 0x0, 0x0, 0x0, 1, "Backplane 12V Current" },
0274 { 0x168, 0x0, 0x0, 0x0, 0x0, 1, "DDR4 1.2V Current" },
0275 { 0x178, 0x0, 0x0, 0x0, 0x0, 1, "FPGA 1.8V Current" },
0276 { 0x180, 0x0, 0x0, 0x0, 0x0, 1, "QDR 1.3V Current" },
0277 { 0x188, 0x0, 0x0, 0x0, 0x0, 1, "CVL1 0.8V Current" },
0278 { 0x190, 0x0, 0x0, 0x0, 0x0, 1, "CVL1 1.05V Current" },
0279 { 0x198, 0x0, 0x0, 0x0, 0x0, 1, "CVL2 1.05V Current" },
0280 { 0x1a0, 0x0, 0x0, 0x0, 0x0, 1, "CVL2 0.8V Current" },
0281 };
0282
0283 static const struct hwmon_channel_info *n5010bmc_hinfo[] = {
0284 HWMON_CHANNEL_INFO(temp,
0285 HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_LABEL,
0286 HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_LABEL,
0287 HWMON_T_INPUT | HWMON_T_CRIT | HWMON_T_LABEL,
0288 HWMON_T_INPUT | HWMON_T_LABEL,
0289 HWMON_T_INPUT | HWMON_T_LABEL,
0290 HWMON_T_INPUT | HWMON_T_LABEL,
0291 HWMON_T_INPUT | HWMON_T_LABEL,
0292 HWMON_T_INPUT | HWMON_T_LABEL,
0293 HWMON_T_INPUT | HWMON_T_LABEL,
0294 HWMON_T_INPUT | HWMON_T_LABEL,
0295 HWMON_T_INPUT | HWMON_T_LABEL,
0296 HWMON_T_INPUT | HWMON_T_LABEL,
0297 HWMON_T_INPUT | HWMON_T_LABEL,
0298 HWMON_T_INPUT | HWMON_T_LABEL,
0299 HWMON_T_INPUT | HWMON_T_LABEL,
0300 HWMON_T_INPUT | HWMON_T_LABEL,
0301 HWMON_T_INPUT | HWMON_T_LABEL),
0302 HWMON_CHANNEL_INFO(in,
0303 HWMON_I_INPUT | HWMON_I_LABEL,
0304 HWMON_I_INPUT | HWMON_I_LABEL,
0305 HWMON_I_INPUT | HWMON_I_LABEL,
0306 HWMON_I_INPUT | HWMON_I_LABEL,
0307 HWMON_I_INPUT | HWMON_I_LABEL,
0308 HWMON_I_INPUT | HWMON_I_LABEL,
0309 HWMON_I_INPUT | HWMON_I_LABEL,
0310 HWMON_I_INPUT | HWMON_I_LABEL,
0311 HWMON_I_INPUT | HWMON_I_LABEL,
0312 HWMON_I_INPUT | HWMON_I_LABEL,
0313 HWMON_I_INPUT | HWMON_I_LABEL,
0314 HWMON_I_INPUT | HWMON_I_LABEL,
0315 HWMON_I_INPUT | HWMON_I_LABEL),
0316 HWMON_CHANNEL_INFO(curr,
0317 HWMON_C_INPUT | HWMON_C_LABEL,
0318 HWMON_C_INPUT | HWMON_C_LABEL,
0319 HWMON_C_INPUT | HWMON_C_LABEL,
0320 HWMON_C_INPUT | HWMON_C_LABEL,
0321 HWMON_C_INPUT | HWMON_C_LABEL,
0322 HWMON_C_INPUT | HWMON_C_LABEL,
0323 HWMON_C_INPUT | HWMON_C_LABEL,
0324 HWMON_C_INPUT | HWMON_C_LABEL,
0325 HWMON_C_INPUT | HWMON_C_LABEL,
0326 HWMON_C_INPUT | HWMON_C_LABEL,
0327 HWMON_C_INPUT | HWMON_C_LABEL,
0328 HWMON_C_INPUT | HWMON_C_LABEL,
0329 HWMON_C_INPUT | HWMON_C_LABEL),
0330 NULL
0331 };
0332
0333 static const struct m10bmc_hwmon_board_data n5010bmc_hwmon_bdata = {
0334 .tables = {
0335 [hwmon_temp] = n5010bmc_temp_tbl,
0336 [hwmon_in] = n5010bmc_in_tbl,
0337 [hwmon_curr] = n5010bmc_curr_tbl,
0338 },
0339
0340 .hinfo = n5010bmc_hinfo,
0341 };
0342
0343 static umode_t
0344 m10bmc_hwmon_is_visible(const void *data, enum hwmon_sensor_types type,
0345 u32 attr, int channel)
0346 {
0347 return 0444;
0348 }
0349
0350 static const struct m10bmc_sdata *
0351 find_sensor_data(struct m10bmc_hwmon *hw, enum hwmon_sensor_types type,
0352 int channel)
0353 {
0354 const struct m10bmc_sdata *tbl;
0355
0356 tbl = hw->bdata->tables[type];
0357 if (!tbl)
0358 return ERR_PTR(-EOPNOTSUPP);
0359
0360 return &tbl[channel];
0361 }
0362
0363 static int do_sensor_read(struct m10bmc_hwmon *hw,
0364 const struct m10bmc_sdata *data,
0365 unsigned int regoff, long *val)
0366 {
0367 unsigned int regval;
0368 int ret;
0369
0370 ret = m10bmc_sys_read(hw->m10bmc, regoff, ®val);
0371 if (ret)
0372 return ret;
0373
0374
0375
0376
0377
0378
0379
0380
0381 if (regval == 0xdeadbeef)
0382 return -ENODATA;
0383
0384 *val = regval * data->multiplier;
0385
0386 return 0;
0387 }
0388
0389 static int m10bmc_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
0390 u32 attr, int channel, long *val)
0391 {
0392 struct m10bmc_hwmon *hw = dev_get_drvdata(dev);
0393 unsigned int reg = 0, reg_hyst = 0;
0394 const struct m10bmc_sdata *data;
0395 long hyst, value;
0396 int ret;
0397
0398 data = find_sensor_data(hw, type, channel);
0399 if (IS_ERR(data))
0400 return PTR_ERR(data);
0401
0402 switch (type) {
0403 case hwmon_temp:
0404 switch (attr) {
0405 case hwmon_temp_input:
0406 reg = data->reg_input;
0407 break;
0408 case hwmon_temp_max_hyst:
0409 reg_hyst = data->reg_hyst;
0410 fallthrough;
0411 case hwmon_temp_max:
0412 reg = data->reg_max;
0413 break;
0414 case hwmon_temp_crit_hyst:
0415 reg_hyst = data->reg_hyst;
0416 fallthrough;
0417 case hwmon_temp_crit:
0418 reg = data->reg_crit;
0419 break;
0420 default:
0421 return -EOPNOTSUPP;
0422 }
0423 break;
0424 case hwmon_in:
0425 switch (attr) {
0426 case hwmon_in_input:
0427 reg = data->reg_input;
0428 break;
0429 case hwmon_in_max:
0430 reg = data->reg_max;
0431 break;
0432 case hwmon_in_crit:
0433 reg = data->reg_crit;
0434 break;
0435 case hwmon_in_min:
0436 reg = data->reg_min;
0437 break;
0438 default:
0439 return -EOPNOTSUPP;
0440 }
0441 break;
0442 case hwmon_curr:
0443 switch (attr) {
0444 case hwmon_curr_input:
0445 reg = data->reg_input;
0446 break;
0447 case hwmon_curr_max:
0448 reg = data->reg_max;
0449 break;
0450 case hwmon_curr_crit:
0451 reg = data->reg_crit;
0452 break;
0453 default:
0454 return -EOPNOTSUPP;
0455 }
0456 break;
0457 case hwmon_power:
0458 switch (attr) {
0459 case hwmon_power_input:
0460 reg = data->reg_input;
0461 break;
0462 default:
0463 return -EOPNOTSUPP;
0464 }
0465 break;
0466 default:
0467 return -EOPNOTSUPP;
0468 }
0469
0470 if (!reg)
0471 return -EOPNOTSUPP;
0472
0473 ret = do_sensor_read(hw, data, reg, &value);
0474 if (ret)
0475 return ret;
0476
0477 if (reg_hyst) {
0478 ret = do_sensor_read(hw, data, reg_hyst, &hyst);
0479 if (ret)
0480 return ret;
0481
0482 value -= hyst;
0483 }
0484
0485 *val = value;
0486
0487 return 0;
0488 }
0489
0490 static int m10bmc_hwmon_read_string(struct device *dev,
0491 enum hwmon_sensor_types type,
0492 u32 attr, int channel, const char **str)
0493 {
0494 struct m10bmc_hwmon *hw = dev_get_drvdata(dev);
0495 const struct m10bmc_sdata *data;
0496
0497 data = find_sensor_data(hw, type, channel);
0498 if (IS_ERR(data))
0499 return PTR_ERR(data);
0500
0501 *str = data->label;
0502
0503 return 0;
0504 }
0505
0506 static const struct hwmon_ops m10bmc_hwmon_ops = {
0507 .is_visible = m10bmc_hwmon_is_visible,
0508 .read = m10bmc_hwmon_read,
0509 .read_string = m10bmc_hwmon_read_string,
0510 };
0511
0512 static int m10bmc_hwmon_probe(struct platform_device *pdev)
0513 {
0514 const struct platform_device_id *id = platform_get_device_id(pdev);
0515 struct intel_m10bmc *m10bmc = dev_get_drvdata(pdev->dev.parent);
0516 struct device *hwmon_dev, *dev = &pdev->dev;
0517 struct m10bmc_hwmon *hw;
0518
0519 hw = devm_kzalloc(dev, sizeof(*hw), GFP_KERNEL);
0520 if (!hw)
0521 return -ENOMEM;
0522
0523 hw->dev = dev;
0524 hw->m10bmc = m10bmc;
0525 hw->bdata = (const struct m10bmc_hwmon_board_data *)id->driver_data;
0526
0527 hw->chip.info = hw->bdata->hinfo;
0528 hw->chip.ops = &m10bmc_hwmon_ops;
0529
0530 hw->hw_name = devm_hwmon_sanitize_name(dev, id->name);
0531 if (IS_ERR(hw->hw_name))
0532 return PTR_ERR(hw->hw_name);
0533
0534 hwmon_dev = devm_hwmon_device_register_with_info(dev, hw->hw_name,
0535 hw, &hw->chip, NULL);
0536 return PTR_ERR_OR_ZERO(hwmon_dev);
0537 }
0538
0539 static const struct platform_device_id intel_m10bmc_hwmon_ids[] = {
0540 {
0541 .name = "n3000bmc-hwmon",
0542 .driver_data = (unsigned long)&n3000bmc_hwmon_bdata,
0543 },
0544 {
0545 .name = "d5005bmc-hwmon",
0546 .driver_data = (unsigned long)&d5005bmc_hwmon_bdata,
0547 },
0548 {
0549 .name = "n5010bmc-hwmon",
0550 .driver_data = (unsigned long)&n5010bmc_hwmon_bdata,
0551 },
0552 { }
0553 };
0554
0555 static struct platform_driver intel_m10bmc_hwmon_driver = {
0556 .probe = m10bmc_hwmon_probe,
0557 .driver = {
0558 .name = "intel-m10-bmc-hwmon",
0559 },
0560 .id_table = intel_m10bmc_hwmon_ids,
0561 };
0562 module_platform_driver(intel_m10bmc_hwmon_driver);
0563
0564 MODULE_DEVICE_TABLE(platform, intel_m10bmc_hwmon_ids);
0565 MODULE_AUTHOR("Intel Corporation");
0566 MODULE_DESCRIPTION("Intel MAX 10 BMC hardware monitor");
0567 MODULE_LICENSE("GPL");
