1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * lm93.c - Part of lm_sensors, Linux kernel modules for hardware monitoring
13  *	Copyright (c) 2003       Margit Schubert-While <margitsw@t-online.de>
16  *	Copyright (c) 2003-2004 Jean Delvare <jdelvare@suse.de>
33 #include <linux/hwmon-sysfs.h>
34 #include <linux/hwmon-vid.h>
51 /* voltage inputs: in1-in16 (nr => 0-15) */
56 /* temperature inputs: temp1-temp4 (nr => 0-3) */
61 /* temp[1-4]_auto_boost (nr => 0-3) */
64 /* #PROCHOT inputs: prochot1-prochot2 (nr => 0-1) */
69 /* fan tach inputs: fan1-fan4 (nr => 0-3) */
73 /* pwm outputs: pwm1-pwm2 (nr => 0-1, reg => 0-3) */
83 /* vid inputs: vid1-vid2 (nr => 0-1) */
86 /* vccp1 & vccp2: VID relative inputs (nr => 0-1) */
89 /* temp[1-4]_auto_boost_hyst */
94 /* temp[1-4]_auto_pwm_[min|hyst] */
103 /* temp[1-4]_auto_base (nr => 0-3) */
106 /* temp[1-4]_auto_offsets (step => 0-11) */
145 	"Set to non-zero to disable SMBus block data transactions.");
149 MODULE_PARM_DESC(init, "Set to non-zero to force chip initialization.");
194  * Client-specific data
211 	 * temp1 - temp4: unfiltered readings
212 	 * temp1 - temp2: filtered readings
216 	/* vin1 - vin16: readings */
219 	/* prochot1 - prochot2: readings */
225 	/* fan counts 1-4 => 14-bits, LE, *left* justified */
234 	/* vin1 - vin16: low and high limits */
240 	/* fan count limits 1-4 => same format as block5 */
255 	/* VID1 & VID2 => register format, 6-bits, right justified */
258 	/* prochot1 - prochot2: limits */
293 	 * save the user-commanded value here.
299  * VID:	mV
300  * REG: 6-bits, right justified, *always* using Intel VRM/VRD 10
324 /* min, max, and nominal voltage readings, per channel (mV)*/
347 	const long slope = (uv_max - uv_min) /  in LM93_IN_FROM_REG()
348 		(lm93_vin_reg_max[nr] - lm93_vin_reg_min[nr]);  in LM93_IN_FROM_REG()
349 	const long intercept = uv_min - slope * lm93_vin_reg_min[nr];  in LM93_IN_FROM_REG()
355  * IN: mV, limits determined by channel nr
361 	const long mv = clamp_val(val,  in LM93_IN_TO_REG()  local
365 	const long uv = mv * 1000;  in LM93_IN_TO_REG()
370 	const long slope = (uv_max - uv_min) /  in LM93_IN_TO_REG()
371 		(lm93_vin_reg_max[nr] - lm93_vin_reg_min[nr]);  in LM93_IN_TO_REG()
372 	const long intercept = uv_min - slope * lm93_vin_reg_min[nr];  in LM93_IN_TO_REG()
374 	u8 result = ((uv - intercept + (slope/2)) / slope);  in LM93_IN_TO_REG()
380 /* vid in mV, upper == 0 indicates low limit, otherwise upper limit */
384 				(((reg >> 0 & 0x0f) + 1) * -25000);  in LM93_IN_REL_FROM_REG()
393  * vid in mV , upper == 0 indicates low limit, otherwise upper limit
399 	long uv_offset = vid * 1000 - val * 10000;  in LM93_IN_REL_TO_REG()
402 		return (u8)((uv_offset /  12500 - 1) << 4);  in LM93_IN_REL_TO_REG()
404 		uv_offset = clamp_val(uv_offset, -400000, -25000);  in LM93_IN_REL_TO_REG()
405 		return (u8)((uv_offset / -25000 - 1) << 0);  in LM93_IN_REL_TO_REG()
410  * TEMP: 1/1000 degrees C (-128C to +127C)
418 #define LM93_TEMP_MIN (-128000)
422  * TEMP: 1/1000 degrees C (-128C to +127C)
428 	ntemp += (ntemp < 0 ? -500 : 500);  in LM93_TEMP_TO_REG()
432 /* Determine 4-bit temperature offset resolution */
440  * This function is common to all 4-bit temperature offsets
451 #define LM93_TEMP_OFFSET_MAX1 (75)
454  * This function is common to all 4-bit temperature offsets
470 	/* temp1-temp2 (nr=0,1) use lower nibble */  in LM93_TEMP_AUTO_OFFSET_FROM_REG()
474 	/* temp3-temp4 (nr=2,3) use upper nibble */  in LM93_TEMP_AUTO_OFFSET_FROM_REG()
480  * TEMP: 1/10 degrees C (0C to +15C (mode 0) or +7.5C (mode non-zero))
481  * REG: 1.0C/bit (mode 0) or 0.5C/bit (mode non-zero)
488 	/* temp1-temp2 (nr=0,1) use lower nibble */  in LM93_TEMP_AUTO_OFFSET_TO_REG()
492 	/* temp3-temp4 (nr=2,3) use upper nibble */  in LM93_TEMP_AUTO_OFFSET_TO_REG()
504 		reg = data->boost_hyst[0] & 0x0f;  in LM93_AUTO_BOOST_HYST_FROM_REGS()
507 		reg = data->boost_hyst[0] >> 4 & 0x0f;  in LM93_AUTO_BOOST_HYST_FROM_REGS()
510 		reg = data->boost_hyst[1] & 0x0f;  in LM93_AUTO_BOOST_HYST_FROM_REGS()
514 		reg = data->boost_hyst[1] >> 4 & 0x0f;  in LM93_AUTO_BOOST_HYST_FROM_REGS()
518 	return LM93_TEMP_FROM_REG(data->boost[nr]) -  in LM93_AUTO_BOOST_HYST_FROM_REGS()
526 			(LM93_TEMP_FROM_REG(data->boost[nr]) - hyst), mode);  in LM93_AUTO_BOOST_HYST_TO_REG()
530 		reg = (data->boost_hyst[0] & 0xf0) | (reg & 0x0f);  in LM93_AUTO_BOOST_HYST_TO_REG()
533 		reg = (reg << 4 & 0xf0) | (data->boost_hyst[0] & 0x0f);  in LM93_AUTO_BOOST_HYST_TO_REG()
536 		reg = (data->boost_hyst[1] & 0xf0) | (reg & 0x0f);  in LM93_AUTO_BOOST_HYST_TO_REG()
540 		reg = (reg << 4 & 0xf0) | (data->boost_hyst[1] & 0x0f);  in LM93_AUTO_BOOST_HYST_TO_REG()
548  * PWM: 0-255 per sensors documentation
549  * REG: 0-13 as mapped below... right justified
596 	return count == 0 ? -1 : count == 0x3fff ? 0 : 1350000 / count;  in LM93_FAN_FROM_REG()
601  * REG: 14-bits, LE, *left* justified
620  * REG: 0-7 as mapped below
635 	for (i = 7; i > 0; i--)  in LM93_PWM_FREQ_TO_REG()
645  * REG: 0-7 as mapped below
669 #define LM93_RAMP_MAX 75
678  * REG: 50mS/bit 4-bits right justified
687  * PROCHOT: 0-255, 0 => 0%, 255 => > 96.6%
697  * PROCHOT-INTERVAL: 73 - 37200 (1/100 seconds)
698  * REG: 0-9 as mapped below
722  * GPIO: 0-255, GPIO0 is LSB
808 			dev_warn(&client->dev,  in lm93_read_byte()
817 	dev_err(&client->dev, "lm93: All read byte retries failed!!\n");  in lm93_read_byte()
829 		dev_warn(&client->dev,  in lm93_write_byte()
846 			dev_warn(&client->dev,  in lm93_read_word()
855 	dev_err(&client->dev, "lm93: All read word retries failed!!\n");  in lm93_read_word()
867 		dev_warn(&client->dev,  in lm93_write_word()
879  * (Fixed Block Number - section 14.5.2 of LM93 datasheet)
892 			dev_warn(&client->dev,  in lm93_read_block()
910 	struct i2c_client *client = data->client;  in lm93_update_device()
913 	mutex_lock(&data->update_lock);  in lm93_update_device()
915 	if (time_after(jiffies, data->last_updated + interval) ||  in lm93_update_device()
916 		!data->valid) {  in lm93_update_device()
918 		data->update(data, client);  in lm93_update_device()
919 		data->last_updated = jiffies;  in lm93_update_device()
920 		data->valid = true;  in lm93_update_device()
923 	mutex_unlock(&data->update_lock);  in lm93_update_device()
934 	/* temp1 - temp4: limits */  in lm93_update_client_common()
936 		data->temp_lim[i].min =  in lm93_update_client_common()
938 		data->temp_lim[i].max =  in lm93_update_client_common()
943 	data->config = lm93_read_byte(client, LM93_REG_CONFIG);  in lm93_update_client_common()
945 	/* vid1 - vid2: values */  in lm93_update_client_common()
947 		data->vid[i] = lm93_read_byte(client, LM93_REG_VID(i));  in lm93_update_client_common()
949 	/* prochot1 - prochot2: limits */  in lm93_update_client_common()
951 		data->prochot_max[i] = lm93_read_byte(client,  in lm93_update_client_common()
954 	/* vccp1 - vccp2: VID relative limits */  in lm93_update_client_common()
956 		data->vccp_limits[i] = lm93_read_byte(client,  in lm93_update_client_common()
960 	data->gpi = lm93_read_byte(client, LM93_REG_GPI);  in lm93_update_client_common()
963 	data->prochot_override = lm93_read_byte(client,  in lm93_update_client_common()
967 	data->prochot_interval = lm93_read_byte(client,  in lm93_update_client_common()
972 		data->boost[i] = lm93_read_byte(client, LM93_REG_BOOST(i));  in lm93_update_client_common()
975 	data->boost_hyst[0] = lm93_read_byte(client, LM93_REG_BOOST_HYST_12);  in lm93_update_client_common()
976 	data->boost_hyst[1] = lm93_read_byte(client, LM93_REG_BOOST_HYST_34);  in lm93_update_client_common()
979 	data->auto_pwm_min_hyst[0] =  in lm93_update_client_common()
981 	data->auto_pwm_min_hyst[1] =  in lm93_update_client_common()
985 	data->pwm_ramp_ctl = lm93_read_byte(client, LM93_REG_PWM_RAMP_CTL);  in lm93_update_client_common()
988 	data->sfc1 = lm93_read_byte(client, LM93_REG_SFC1);  in lm93_update_client_common()
989 	data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);  in lm93_update_client_common()
990 	data->sf_tach_to_pwm = lm93_read_byte(client,  in lm93_update_client_common()
994 	for (i = 0, ptr = (u8 *)(&data->block1); i < 8; i++)  in lm93_update_client_common()
1002 	dev_dbg(&client->dev, "starting device update (block data enabled)\n");  in lm93_update_client_full()
1004 	/* in1 - in16: values & limits */  in lm93_update_client_full()
1005 	lm93_read_block(client, 3, (u8 *)(data->block3));  in lm93_update_client_full()
1006 	lm93_read_block(client, 7, (u8 *)(data->block7));  in lm93_update_client_full()
1008 	/* temp1 - temp4: values */  in lm93_update_client_full()
1009 	lm93_read_block(client, 2, (u8 *)(data->block2));  in lm93_update_client_full()
1011 	/* prochot1 - prochot2: values */  in lm93_update_client_full()
1012 	lm93_read_block(client, 4, (u8 *)(data->block4));  in lm93_update_client_full()
1014 	/* fan1 - fan4: values & limits */  in lm93_update_client_full()
1015 	lm93_read_block(client, 5, (u8 *)(data->block5));  in lm93_update_client_full()
1016 	lm93_read_block(client, 8, (u8 *)(data->block8));  in lm93_update_client_full()
1019 	lm93_read_block(client, 9, (u8 *)(data->block9));  in lm93_update_client_full()
1022 	lm93_read_block(client, 1, (u8 *)(&data->block1));  in lm93_update_client_full()
1025 	lm93_read_block(client, 10, (u8 *)(&data->block10));  in lm93_update_client_full()
1037 	dev_dbg(&client->dev, "starting device update (block data disabled)\n");  in lm93_update_client_min()
1039 	/* in1 - in16: values & limits */  in lm93_update_client_min()
1041 		data->block3[i] =  in lm93_update_client_min()
1043 		data->block7[i].min =  in lm93_update_client_min()
1045 		data->block7[i].max =  in lm93_update_client_min()
1049 	/* temp1 - temp4: values */  in lm93_update_client_min()
1051 		data->block2[i] =  in lm93_update_client_min()
1055 	/* prochot1 - prochot2: values */  in lm93_update_client_min()
1057 		data->block4[i].cur =  in lm93_update_client_min()
1059 		data->block4[i].avg =  in lm93_update_client_min()
1063 	/* fan1 - fan4: values & limits */  in lm93_update_client_min()
1065 		data->block5[i] =  in lm93_update_client_min()
1067 		data->block8[i] =  in lm93_update_client_min()
1074 			data->block9[i][j] =  in lm93_update_client_min()
1080 	for (i = 0, ptr = (u8 *)(&data->block1); i < 8; i++) {  in lm93_update_client_min()
1087 		data->block10.base[i] =  in lm93_update_client_min()
1093 		data->block10.offset[i] =  in lm93_update_client_min()
1104 	int nr = (to_sensor_dev_attr(attr))->index;  in in_show()
1107 	return sprintf(buf, "%d\n", LM93_IN_FROM_REG(nr, data->block3[nr]));  in in_show()
1130 	int nr = (to_sensor_dev_attr(attr))->index;  in in_min_show()
1132 	int vccp = nr - 6;  in in_min_show()
1136 		vid = LM93_VID_FROM_REG(data->vid[vccp]);  in in_min_show()
1137 		rc = LM93_IN_MIN_FROM_REG(data->vccp_limits[vccp], vid);  in in_min_show()
1139 		rc = LM93_IN_FROM_REG(nr, data->block7[nr].min);  in in_min_show()
1147 	int nr = (to_sensor_dev_attr(attr))->index;  in in_min_store()
1149 	struct i2c_client *client = data->client;  in in_min_store()
1150 	int vccp = nr - 6;  in in_min_store()
1159 	mutex_lock(&data->update_lock);  in in_min_store()
1161 		vid = LM93_VID_FROM_REG(data->vid[vccp]);  in in_min_store()
1162 		data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0xf0) |  in in_min_store()
1165 				data->vccp_limits[vccp]);  in in_min_store()
1167 		data->block7[nr].min = LM93_IN_TO_REG(nr, val);  in in_min_store()
1169 				data->block7[nr].min);  in in_min_store()
1171 	mutex_unlock(&data->update_lock);  in in_min_store()
1195 	int nr = (to_sensor_dev_attr(attr))->index;  in in_max_show()
1197 	int vccp = nr - 6;  in in_max_show()
1201 		vid = LM93_VID_FROM_REG(data->vid[vccp]);  in in_max_show()
1202 		rc = LM93_IN_MAX_FROM_REG(data->vccp_limits[vccp], vid);  in in_max_show()
1204 		rc = LM93_IN_FROM_REG(nr, data->block7[nr].max);  in in_max_show()
1212 	int nr = (to_sensor_dev_attr(attr))->index;  in in_max_store()
1214 	struct i2c_client *client = data->client;  in in_max_store()
1215 	int vccp = nr - 6;  in in_max_store()
1224 	mutex_lock(&data->update_lock);  in in_max_store()
1226 		vid = LM93_VID_FROM_REG(data->vid[vccp]);  in in_max_store()
1227 		data->vccp_limits[vccp] = (data->vccp_limits[vccp] & 0x0f) |  in in_max_store()
1230 				data->vccp_limits[vccp]);  in in_max_store()
1232 		data->block7[nr].max = LM93_IN_TO_REG(nr, val);  in in_max_store()
1234 				data->block7[nr].max);  in in_max_store()
1236 	mutex_unlock(&data->update_lock);  in in_max_store()
1260 	int nr = (to_sensor_dev_attr(attr))->index;  in temp_show()
1262 	return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->block2[nr]));  in temp_show()
1272 	int nr = (to_sensor_dev_attr(attr))->index;  in temp_min_show()
1274 	return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->temp_lim[nr].min));  in temp_min_show()
1281 	int nr = (to_sensor_dev_attr(attr))->index;  in temp_min_store()
1283 	struct i2c_client *client = data->client;  in temp_min_store()
1291 	mutex_lock(&data->update_lock);  in temp_min_store()
1292 	data->temp_lim[nr].min = LM93_TEMP_TO_REG(val);  in temp_min_store()
1293 	lm93_write_byte(client, LM93_REG_TEMP_MIN(nr), data->temp_lim[nr].min);  in temp_min_store()
1294 	mutex_unlock(&data->update_lock);  in temp_min_store()
1305 	int nr = (to_sensor_dev_attr(attr))->index;  in temp_max_show()
1307 	return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->temp_lim[nr].max));  in temp_max_show()
1314 	int nr = (to_sensor_dev_attr(attr))->index;  in temp_max_store()
1316 	struct i2c_client *client = data->client;  in temp_max_store()
1324 	mutex_lock(&data->update_lock);  in temp_max_store()
1325 	data->temp_lim[nr].max = LM93_TEMP_TO_REG(val);  in temp_max_store()
1326 	lm93_write_byte(client, LM93_REG_TEMP_MAX(nr), data->temp_lim[nr].max);  in temp_max_store()
1327 	mutex_unlock(&data->update_lock);  in temp_max_store()
1338 	int nr = (to_sensor_dev_attr(attr))->index;  in temp_auto_base_show()
1340 	return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->block10.base[nr]));  in temp_auto_base_show()
1347 	int nr = (to_sensor_dev_attr(attr))->index;  in temp_auto_base_store()
1349 	struct i2c_client *client = data->client;  in temp_auto_base_store()
1357 	mutex_lock(&data->update_lock);  in temp_auto_base_store()
1358 	data->block10.base[nr] = LM93_TEMP_TO_REG(val);  in temp_auto_base_store()
1359 	lm93_write_byte(client, LM93_REG_TEMP_BASE(nr), data->block10.base[nr]);  in temp_auto_base_store()
1360 	mutex_unlock(&data->update_lock);  in temp_auto_base_store()
1371 	int nr = (to_sensor_dev_attr(attr))->index;  in temp_auto_boost_show()
1373 	return sprintf(buf, "%d\n", LM93_TEMP_FROM_REG(data->boost[nr]));  in temp_auto_boost_show()
1380 	int nr = (to_sensor_dev_attr(attr))->index;  in temp_auto_boost_store()
1382 	struct i2c_client *client = data->client;  in temp_auto_boost_store()
1390 	mutex_lock(&data->update_lock);  in temp_auto_boost_store()
1391 	data->boost[nr] = LM93_TEMP_TO_REG(val);  in temp_auto_boost_store()
1392 	lm93_write_byte(client, LM93_REG_BOOST(nr), data->boost[nr]);  in temp_auto_boost_store()
1393 	mutex_unlock(&data->update_lock);  in temp_auto_boost_store()
1405 	int nr = (to_sensor_dev_attr(attr))->index;  in temp_auto_boost_hyst_show()
1407 	int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr);  in temp_auto_boost_hyst_show()
1416 	int nr = (to_sensor_dev_attr(attr))->index;  in temp_auto_boost_hyst_store()
1418 	struct i2c_client *client = data->client;  in temp_auto_boost_hyst_store()
1426 	mutex_lock(&data->update_lock);  in temp_auto_boost_hyst_store()
1428 	data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);  in temp_auto_boost_hyst_store()
1429 	data->sfc2 |= ((nr < 2) ? 0x10 : 0x20);  in temp_auto_boost_hyst_store()
1430 	lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);  in temp_auto_boost_hyst_store()
1431 	data->boost_hyst[nr/2] = LM93_AUTO_BOOST_HYST_TO_REG(data, val, nr, 1);  in temp_auto_boost_hyst_store()
1433 			data->boost_hyst[nr/2]);  in temp_auto_boost_hyst_store()
1434 	mutex_unlock(&data->update_lock);  in temp_auto_boost_hyst_store()
1446 	int nr = s_attr->index;  in temp_auto_offset_show()
1447 	int ofs = s_attr->nr;  in temp_auto_offset_show()
1449 	int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr);  in temp_auto_offset_show()
1451 	       LM93_TEMP_AUTO_OFFSET_FROM_REG(data->block10.offset[ofs],  in temp_auto_offset_show()
1460 	int nr = s_attr->index;  in temp_auto_offset_store()
1461 	int ofs = s_attr->nr;  in temp_auto_offset_store()
1463 	struct i2c_client *client = data->client;  in temp_auto_offset_store()
1471 	mutex_lock(&data->update_lock);  in temp_auto_offset_store()
1473 	data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);  in temp_auto_offset_store()
1474 	data->sfc2 |= ((nr < 2) ? 0x10 : 0x20);  in temp_auto_offset_store()
1475 	lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);  in temp_auto_offset_store()
1476 	data->block10.offset[ofs] = LM93_TEMP_AUTO_OFFSET_TO_REG(  in temp_auto_offset_store()
1477 			data->block10.offset[ofs], val, nr, 1);  in temp_auto_offset_store()
1479 			data->block10.offset[ofs]);  in temp_auto_offset_store()
1480 	mutex_unlock(&data->update_lock);  in temp_auto_offset_store()
1525 	int nr = (to_sensor_dev_attr(attr))->index;  in temp_auto_pwm_min_show()
1528 	reg = data->auto_pwm_min_hyst[nr/2] >> 4 & 0x0f;  in temp_auto_pwm_min_show()
1529 	ctl4 = data->block9[nr][LM93_PWM_CTL4];  in temp_auto_pwm_min_show()
1538 	int nr = (to_sensor_dev_attr(attr))->index;  in temp_auto_pwm_min_store()
1540 	struct i2c_client *client = data->client;  in temp_auto_pwm_min_store()
1549 	mutex_lock(&data->update_lock);  in temp_auto_pwm_min_store()
1556 	data->auto_pwm_min_hyst[nr/2] = reg;  in temp_auto_pwm_min_store()
1558 	mutex_unlock(&data->update_lock);  in temp_auto_pwm_min_store()
1570 	int nr = (to_sensor_dev_attr(attr))->index;  in temp_auto_offset_hyst_show()
1572 	int mode = LM93_TEMP_OFFSET_MODE_FROM_REG(data->sfc2, nr);  in temp_auto_offset_hyst_show()
1574 					data->auto_pwm_min_hyst[nr / 2], mode));  in temp_auto_offset_hyst_show()
1581 	int nr = (to_sensor_dev_attr(attr))->index;  in temp_auto_offset_hyst_store()
1583 	struct i2c_client *client = data->client;  in temp_auto_offset_hyst_store()
1592 	mutex_lock(&data->update_lock);  in temp_auto_offset_hyst_store()
1594 	data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);  in temp_auto_offset_hyst_store()
1595 	data->sfc2 |= ((nr < 2) ? 0x10 : 0x20);  in temp_auto_offset_hyst_store()
1596 	lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);  in temp_auto_offset_hyst_store()
1597 	reg = data->auto_pwm_min_hyst[nr/2];  in temp_auto_offset_hyst_store()
1599 	data->auto_pwm_min_hyst[nr/2] = reg;  in temp_auto_offset_hyst_store()
1601 	mutex_unlock(&data->update_lock);  in temp_auto_offset_hyst_store()
1613 	int nr = s_attr->index;  in fan_input_show()
1616 	return sprintf(buf, "%d\n", LM93_FAN_FROM_REG(data->block5[nr]));  in fan_input_show()
1627 	int nr = (to_sensor_dev_attr(attr))->index;  in fan_min_show()
1630 	return sprintf(buf, "%d\n", LM93_FAN_FROM_REG(data->block8[nr]));  in fan_min_show()
1637 	int nr = (to_sensor_dev_attr(attr))->index;  in fan_min_store()
1639 	struct i2c_client *client = data->client;  in fan_min_store()
1647 	mutex_lock(&data->update_lock);  in fan_min_store()
1648 	data->block8[nr] = LM93_FAN_TO_REG(val);  in fan_min_store()
1649 	lm93_write_word(client, LM93_REG_FAN_MIN(nr), data->block8[nr]);  in fan_min_store()
1650 	mutex_unlock(&data->update_lock);  in fan_min_store()
1660  * some tedious bit-twiddling here to deal with the register format:
1662  *	data->sf_tach_to_pwm: (tach to pwm mapping bits)
1667  *	data->sfc2: (enable bits)
1676 	int nr = (to_sensor_dev_attr(attr))->index;  in fan_smart_tach_show()
1682 	mapping = (data->sf_tach_to_pwm >> (nr * 2)) & 0x03;  in fan_smart_tach_show()
1685 	if (mapping && ((data->sfc2 >> nr) & 0x01))  in fan_smart_tach_show()
1691  * helper function - must grab data->update_lock before calling
1692  * fan is 0-3, indicating fan1-fan4
1698 	data->sf_tach_to_pwm = lm93_read_byte(client, LM93_REG_SF_TACH_TO_PWM);  in lm93_write_fan_smart_tach()
1699 	data->sf_tach_to_pwm &= ~(0x3 << fan * 2);  in lm93_write_fan_smart_tach()
1700 	data->sf_tach_to_pwm |= value << fan * 2;  in lm93_write_fan_smart_tach()
1701 	lm93_write_byte(client, LM93_REG_SF_TACH_TO_PWM, data->sf_tach_to_pwm);  in lm93_write_fan_smart_tach()
1704 	data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);  in lm93_write_fan_smart_tach()
1706 		data->sfc2 |= 1 << fan;  in lm93_write_fan_smart_tach()
1708 		data->sfc2 &= ~(1 << fan);  in lm93_write_fan_smart_tach()
1709 	lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);  in lm93_write_fan_smart_tach()
1716 	int nr = (to_sensor_dev_attr(attr))->index;  in fan_smart_tach_store()
1718 	struct i2c_client *client = data->client;  in fan_smart_tach_store()
1726 	mutex_lock(&data->update_lock);  in fan_smart_tach_store()
1732 				LM93_REG_PWM_CTL(val - 1, LM93_PWM_CTL4));  in fan_smart_tach_store()
1738 	mutex_unlock(&data->update_lock);  in fan_smart_tach_store()
1750 	int nr = (to_sensor_dev_attr(attr))->index;  in pwm_show()
1755 	ctl2 = data->block9[nr][LM93_PWM_CTL2];  in pwm_show()
1756 	ctl4 = data->block9[nr][LM93_PWM_CTL4];  in pwm_show()
1758 		rc = data->pwm_override[nr];  in pwm_show()
1768 	int nr = (to_sensor_dev_attr(attr))->index;  in pwm_store()
1770 	struct i2c_client *client = data->client;  in pwm_store()
1779 	mutex_lock(&data->update_lock);  in pwm_store()
1785 	data->pwm_override[nr] = LM93_PWM_FROM_REG(ctl2 >> 4,  in pwm_store()
1789 	mutex_unlock(&data->update_lock);  in pwm_store()
1799 	int nr = (to_sensor_dev_attr(attr))->index;  in pwm_enable_show()
1804 	ctl2 = data->block9[nr][LM93_PWM_CTL2];  in pwm_enable_show()
1816 	int nr = (to_sensor_dev_attr(attr))->index;  in pwm_enable_store()
1818 	struct i2c_client *client = data->client;  in pwm_enable_store()
1827 	mutex_lock(&data->update_lock);  in pwm_enable_store()
1841 		mutex_unlock(&data->update_lock);  in pwm_enable_store()
1842 		return -EINVAL;  in pwm_enable_store()
1846 	mutex_unlock(&data->update_lock);  in pwm_enable_store()
1856 	int nr = (to_sensor_dev_attr(attr))->index;  in pwm_freq_show()
1860 	ctl4 = data->block9[nr][LM93_PWM_CTL4];  in pwm_freq_show()
1865  * helper function - must grab data->update_lock before calling
1866  * pwm is 0-1, indicating pwm1-pwm2
1883 	data->sfc2 = lm93_read_byte(client, LM93_REG_SFC2);  in lm93_disable_fan_smart_tach()
1884 	data->sfc2 &= ~mask;  in lm93_disable_fan_smart_tach()
1885 	lm93_write_byte(client, LM93_REG_SFC2, data->sfc2);  in lm93_disable_fan_smart_tach()
1892 	int nr = (to_sensor_dev_attr(attr))->index;  in pwm_freq_store()
1894 	struct i2c_client *client = data->client;  in pwm_freq_store()
1903 	mutex_lock(&data->update_lock);  in pwm_freq_store()
1906 	data->block9[nr][LM93_PWM_CTL4] = ctl4;  in pwm_freq_store()
1907 	/* ctl4 == 0 -> 22.5KHz -> disable smart tach */  in pwm_freq_store()
1911 	mutex_unlock(&data->update_lock);  in pwm_freq_store()
1922 	int nr = (to_sensor_dev_attr(attr))->index;  in pwm_auto_channels_show()
1924 	return sprintf(buf, "%d\n", data->block9[nr][LM93_PWM_CTL1]);  in pwm_auto_channels_show()
1931 	int nr = (to_sensor_dev_attr(attr))->index;  in pwm_auto_channels_store()
1933 	struct i2c_client *client = data->client;  in pwm_auto_channels_store()
1941 	mutex_lock(&data->update_lock);  in pwm_auto_channels_store()
1942 	data->block9[nr][LM93_PWM_CTL1] = clamp_val(val, 0, 255);  in pwm_auto_channels_store()
1944 				data->block9[nr][LM93_PWM_CTL1]);  in pwm_auto_channels_store()
1945 	mutex_unlock(&data->update_lock);  in pwm_auto_channels_store()
1956 	int nr = (to_sensor_dev_attr(attr))->index;  in pwm_auto_spinup_min_show()
1960 	ctl3 = data->block9[nr][LM93_PWM_CTL3];  in pwm_auto_spinup_min_show()
1961 	ctl4 = data->block9[nr][LM93_PWM_CTL4];  in pwm_auto_spinup_min_show()
1971 	int nr = (to_sensor_dev_attr(attr))->index;  in pwm_auto_spinup_min_store()
1973 	struct i2c_client *client = data->client;  in pwm_auto_spinup_min_store()
1982 	mutex_lock(&data->update_lock);  in pwm_auto_spinup_min_store()
1988 	data->block9[nr][LM93_PWM_CTL3] = ctl3;  in pwm_auto_spinup_min_store()
1990 	mutex_unlock(&data->update_lock);  in pwm_auto_spinup_min_store()
2001 	int nr = (to_sensor_dev_attr(attr))->index;  in pwm_auto_spinup_time_show()
2004 				data->block9[nr][LM93_PWM_CTL3]));  in pwm_auto_spinup_time_show()
2011 	int nr = (to_sensor_dev_attr(attr))->index;  in pwm_auto_spinup_time_store()
2013 	struct i2c_client *client = data->client;  in pwm_auto_spinup_time_store()
2022 	mutex_lock(&data->update_lock);  in pwm_auto_spinup_time_store()
2025 	data->block9[nr][LM93_PWM_CTL3] = ctl3;  in pwm_auto_spinup_time_store()
2027 	mutex_unlock(&data->update_lock);  in pwm_auto_spinup_time_store()
2039 		       LM93_RAMP_FROM_REG(data->pwm_ramp_ctl >> 4 & 0x0f));  in pwm_auto_prochot_ramp_show()
2047 	struct i2c_client *client = data->client;  in pwm_auto_prochot_ramp_store()
2056 	mutex_lock(&data->update_lock);  in pwm_auto_prochot_ramp_store()
2060 	mutex_unlock(&data->update_lock);  in pwm_auto_prochot_ramp_store()
2071 		       LM93_RAMP_FROM_REG(data->pwm_ramp_ctl & 0x0f));  in pwm_auto_vrdhot_ramp_show()
2079 	struct i2c_client *client = data->client;  in pwm_auto_vrdhot_ramp_store()
2088 	mutex_lock(&data->update_lock);  in pwm_auto_vrdhot_ramp_store()
2092 	mutex_unlock(&data->update_lock);  in pwm_auto_vrdhot_ramp_store()
2101 	int nr = (to_sensor_dev_attr(attr))->index;  in vid_show()
2103 	return sprintf(buf, "%d\n", LM93_VID_FROM_REG(data->vid[nr]));  in vid_show()
2112 	int nr = (to_sensor_dev_attr(attr))->index;  in prochot_show()
2114 	return sprintf(buf, "%d\n", data->block4[nr].cur);  in prochot_show()
2123 	int nr = (to_sensor_dev_attr(attr))->index;  in prochot_avg_show()
2125 	return sprintf(buf, "%d\n", data->block4[nr].avg);  in prochot_avg_show()
2134 	int nr = (to_sensor_dev_attr(attr))->index;  in prochot_max_show()
2136 	return sprintf(buf, "%d\n", data->prochot_max[nr]);  in prochot_max_show()
2143 	int nr = (to_sensor_dev_attr(attr))->index;  in prochot_max_store()
2145 	struct i2c_client *client = data->client;  in prochot_max_store()
2153 	mutex_lock(&data->update_lock);  in prochot_max_store()
2154 	data->prochot_max[nr] = LM93_PROCHOT_TO_REG(val);  in prochot_max_store()
2156 			data->prochot_max[nr]);  in prochot_max_store()
2157 	mutex_unlock(&data->update_lock);  in prochot_max_store()
2169 	int nr = (to_sensor_dev_attr(attr))->index;  in prochot_override_show()
2172 		(data->prochot_override & prochot_override_mask[nr]) ? 1 : 0);  in prochot_override_show()
2179 	int nr = (to_sensor_dev_attr(attr))->index;  in prochot_override_store()
2181 	struct i2c_client *client = data->client;  in prochot_override_store()
2189 	mutex_lock(&data->update_lock);  in prochot_override_store()
2191 		data->prochot_override |= prochot_override_mask[nr];  in prochot_override_store()
2193 		data->prochot_override &= (~prochot_override_mask[nr]);  in prochot_override_store()
2195 			data->prochot_override);  in prochot_override_store()
2196 	mutex_unlock(&data->update_lock);  in prochot_override_store()
2206 	int nr = (to_sensor_dev_attr(attr))->index;  in prochot_interval_show()
2210 		tmp = (data->prochot_interval & 0xf0) >> 4;  in prochot_interval_show()
2212 		tmp = data->prochot_interval & 0x0f;  in prochot_interval_show()
2220 	int nr = (to_sensor_dev_attr(attr))->index;  in prochot_interval_store()
2222 	struct i2c_client *client = data->client;  in prochot_interval_store()
2231 	mutex_lock(&data->update_lock);  in prochot_interval_store()
2237 	data->prochot_interval = tmp;  in prochot_interval_store()
2239 	mutex_unlock(&data->update_lock);  in prochot_interval_store()
2251 	return sprintf(buf, "%d\n", data->prochot_override & 0x0f);  in prochot_override_duty_cycle_show()
2259 	struct i2c_client *client = data->client;  in prochot_override_duty_cycle_store()
2267 	mutex_lock(&data->update_lock);  in prochot_override_duty_cycle_store()
2268 	data->prochot_override = (data->prochot_override & 0xf0) |  in prochot_override_duty_cycle_store()
2271 			data->prochot_override);  in prochot_override_duty_cycle_store()
2272 	mutex_unlock(&data->update_lock);  in prochot_override_duty_cycle_store()
2282 	return sprintf(buf, "%d\n", (data->config & 0x10) ? 1 : 0);  in prochot_short_show()
2290 	struct i2c_client *client = data->client;  in prochot_short_store()
2298 	mutex_lock(&data->update_lock);  in prochot_short_store()
2300 		data->config |= 0x10;  in prochot_short_store()
2302 		data->config &= ~0x10;  in prochot_short_store()
2303 	lm93_write_byte(client, LM93_REG_CONFIG, data->config);  in prochot_short_store()
2304 	mutex_unlock(&data->update_lock);  in prochot_short_store()
2313 	int nr = (to_sensor_dev_attr(attr))->index;  in vrdhot_show()
2316 		       data->block1.host_status_1 & (1 << (nr + 4)) ? 1 : 0);  in vrdhot_show()
2326 	return sprintf(buf, "%d\n", LM93_GPI_FROM_REG(data->gpi));  in gpio_show()
2335 	return sprintf(buf, "%d\n", LM93_ALARMS_FROM_REG(data->block1));  in alarms_show()
2539 	dev_warn(&client->dev,  in lm93_init_client()
2543 /* Return 0 if detection is successful, -ENODEV otherwise */
2546 	struct i2c_adapter *adapter = client->adapter;  in lm93_detect()
2551 		return -ENODEV;  in lm93_detect()
2556 		dev_dbg(&adapter->dev,  in lm93_detect()
2558 		return -ENODEV;  in lm93_detect()
2573 		dev_dbg(&adapter->dev,  in lm93_detect()
2575 		return -ENODEV;  in lm93_detect()
2578 	strscpy(info->type, name, I2C_NAME_SIZE);  in lm93_detect()
2579 	dev_dbg(&adapter->dev, "loading %s at %d, 0x%02x\n",  in lm93_detect()
2580 		client->name, i2c_adapter_id(client->adapter),  in lm93_detect()
2581 		client->addr);  in lm93_detect()
2588 	struct device *dev = &client->dev;  in lm93_probe()
2595 	func = i2c_get_functionality(client->adapter);  in lm93_probe()
2605 		return -ENODEV;  in lm93_probe()
2610 		return -ENOMEM;  in lm93_probe()
2613 	data->client = client;  in lm93_probe()
2614 	data->update = update;  in lm93_probe()
2615 	mutex_init(&data->update_lock);  in lm93_probe()
2620 	hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,  in lm93_probe()