1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Hardware monitoring driver for Infineon Multi-phase Digital VR Controllers
17 #define XDPE122_PROT_VR12_5MV		0x01 /* VR12.0 mode, 5-mV DAC */
18 #define XDPE122_PROT_VR12_5_10MV	0x02 /* VR12.5 mode, 10-mV DAC */
19 #define XDPE122_PROT_IMVP9_10MV		0x03 /* IMVP9 mode, 10-mV DAC */
24 				  int phase, int reg)  in xdpe122_read_word_data()  argument
35 		ret = pmbus_read_word_data(client, page, phase, reg);  in xdpe122_read_word_data()
46 			val >>= -exponent;  in xdpe122_read_word_data()
49 		switch (info->vrm_version[page]) {  in xdpe122_read_word_data()
52 				return 1 + DIV_ROUND_CLOSEST(val - 500, 10);  in xdpe122_read_word_data()
56 				return 1 + DIV_ROUND_CLOSEST(val - 250, 5);  in xdpe122_read_word_data()
60 				return 1 + DIV_ROUND_CLOSEST(val - 200, 10);  in xdpe122_read_word_data()
64 				return DIV_ROUND_CLOSEST((1550 - val) * 100,  in xdpe122_read_word_data()
68 			return -EINVAL;  in xdpe122_read_word_data()
71 		return -ENODATA;  in xdpe122_read_word_data()
87 			info->format[PSC_VOLTAGE_OUT] = linear;  in xdpe122_identify()
90 			info->format[PSC_VOLTAGE_OUT] = vid;  in xdpe122_identify()
91 			info->read_word_data = xdpe122_read_word_data;  in xdpe122_identify()
94 			return -ENODEV;  in xdpe122_identify()
108 			info->vrm_version[i] = vr13;  in xdpe122_identify()
111 			info->vrm_version[i] = vr12;  in xdpe122_identify()
114 			info->vrm_version[i] = imvp9;  in xdpe122_identify()
117 			info->vrm_version[i] = amd625mv;  in xdpe122_identify()
120 			return -EINVAL;  in xdpe122_identify()
158 	info = devm_kmemdup(&client->dev, &xdpe122_info, sizeof(*info),  in xdpe122_probe()
161 		return -ENOMEM;  in xdpe122_probe()