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