hwmon/pmbus/mp2888.c

53 	int ret;
61 	ret = i2c_smbus_read_word_data(client, MP2888_MFR_SYS_CONFIG);
62 	if (ret < 0)
63 		return ret;
65 	switch (ret & MP2888_DRMOS_KCS) {
87 	data->total_curr_resolution = (ret & MP2888_TOTAL_CURRENT_RESOLUTION) >> 3;
88 	data->phase_curr_resolution = (ret & MP2888_PHASE_CURRENT_RESOLUTION) >> 4;
96 	int ret;
98 	ret = pmbus_read_word_data(client, page, phase, reg);
99 	if (ret < 0)
100 		return ret;
103 		ret >>= 8;
104 	ret &= 0xff;
121 	ret = DIV_ROUND_CLOSEST(ret * 200 - 19600, data->curr_sense_gain);
123 	ret = (data->total_curr_resolution) ? ret * 2 : ret;
124 	return ret;
130 	int ret;
134 		ret = mp2888_read_phase(client, data, page, phase, MP2888_MFR_READ_CS1_2);
137 		ret = mp2888_read_phase(client, data, page, phase, MP2888_MFR_READ_CS3_4);
140 		ret = mp2888_read_phase(client, data, page, phase, MP2888_MFR_READ_CS5_6);
143 		ret = mp2888_read_phase(client, data, page, phase, MP2888_MFR_READ_CS7_8);
146 		ret = mp2888_read_phase(client, data, page, phase, MP2888_MFR_READ_CS9_10);
151 	return ret;
158 	int ret;
162 		ret = pmbus_read_word_data(client, page, phase, reg);
163 		if (ret <= 0)
164 			return ret;
171 		ret = (ret & GENMASK(9, 0)) | ((ret & GENMASK(31, 10)) << 1);
174 		ret = pmbus_read_word_data(client, page, phase, reg);
175 		if (ret < 0)
176 			return ret;
181 		ret *= MP2888_TEMP_UNIT;
187 		ret = pmbus_read_word_data(client, page, phase, reg);
188 		if (ret < 0)
189 			return ret;
194 		ret &= GENMASK(11, 0);
195 		ret = data->total_curr_resolution ? ret * 2 : ret;
198 		ret = pmbus_read_word_data(client, page, phase, reg);
199 		if (ret < 0)
200 			return ret;
201 		ret &= GENMASK(9, 0);
207 		ret = data->total_curr_resolution ? ret * 8 : ret * 4;
211 		ret = pmbus_read_word_data(client, page, phase, reg);
212 		if (ret < 0)
213 			return ret;
214 		ret = data->total_curr_resolution ? ret : DIV_ROUND_CLOSEST(ret, 2);
217 		ret = pmbus_read_word_data(client, page, phase, reg);
218 		if (ret < 0)
219 			return ret;
225 		ret = data->total_curr_resolution ? ret * 2 : ret;
260 	return ret;
298 	int ret;
300 	ret = i2c_smbus_write_byte_data(client, PMBUS_PAGE, 0);
301 	if (ret < 0)
302 		return ret;
305 	ret = i2c_smbus_read_word_data(client, MP2888_MFR_VR_CONFIG1);
306 	if (ret <= 0)
307 		return ret;
309 	info->phases[0] = ret & GENMASK(3, 0);
358 	int ret;
368 	ret = mp2888_identify_multiphase(client, data, info);
369 	if (ret)
370 		return ret;
373 	ret = mp2888_current_sense_gain_and_resolution_get(client, data);
374 	if (ret)
375 		return ret;