1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2015, The Linux Foundation. All rights reserved.
6 #include <linux/platform_device.h>
9 /* ----- SROT ------ */
10 #define SROT_CTRL_OFF 0x0000
13 #define TM_INT_EN_OFF 0x0000
14 #define TM_Sn_UPPER_LOWER_STATUS_CTRL_OFF 0x0004
15 #define TM_Sn_STATUS_OFF 0x0030
16 #define TM_TRDY_OFF 0x005c
18 /* eeprom layout data for 8916 */
19 #define MSM8916_BASE0_MASK 0x0000007f
20 #define MSM8916_BASE1_MASK 0xfe000000
21 #define MSM8916_BASE0_SHIFT 0
22 #define MSM8916_BASE1_SHIFT 25
24 #define MSM8916_S0_P1_MASK 0x00000f80
25 #define MSM8916_S1_P1_MASK 0x003e0000
26 #define MSM8916_S2_P1_MASK 0xf8000000
27 #define MSM8916_S3_P1_MASK 0x000003e0
28 #define MSM8916_S4_P1_MASK 0x000f8000
30 #define MSM8916_S0_P2_MASK 0x0001f000
31 #define MSM8916_S1_P2_MASK 0x07c00000
32 #define MSM8916_S2_P2_MASK 0x0000001f
33 #define MSM8916_S3_P2_MASK 0x00007c00
34 #define MSM8916_S4_P2_MASK 0x01f00000
36 #define MSM8916_S0_P1_SHIFT 7
37 #define MSM8916_S1_P1_SHIFT 17
38 #define MSM8916_S2_P1_SHIFT 27
39 #define MSM8916_S3_P1_SHIFT 5
40 #define MSM8916_S4_P1_SHIFT 15
42 #define MSM8916_S0_P2_SHIFT 12
43 #define MSM8916_S1_P2_SHIFT 22
44 #define MSM8916_S2_P2_SHIFT 0
45 #define MSM8916_S3_P2_SHIFT 10
46 #define MSM8916_S4_P2_SHIFT 20
48 #define MSM8916_CAL_SEL_MASK 0xe0000000
49 #define MSM8916_CAL_SEL_SHIFT 29
51 /* eeprom layout data for 8974 */
52 #define BASE1_MASK 0xff
53 #define S0_P1_MASK 0x3f00
54 #define S1_P1_MASK 0xfc000
55 #define S2_P1_MASK 0x3f00000
56 #define S3_P1_MASK 0xfc000000
57 #define S4_P1_MASK 0x3f
58 #define S5_P1_MASK 0xfc0
59 #define S6_P1_MASK 0x3f000
60 #define S7_P1_MASK 0xfc0000
61 #define S8_P1_MASK 0x3f000000
62 #define S8_P1_MASK_BKP 0x3f
63 #define S9_P1_MASK 0x3f
64 #define S9_P1_MASK_BKP 0xfc0
65 #define S10_P1_MASK 0xfc0
66 #define S10_P1_MASK_BKP 0x3f000
67 #define CAL_SEL_0_1 0xc0000000
68 #define CAL_SEL_2 0x40000000
69 #define CAL_SEL_SHIFT 30
70 #define CAL_SEL_SHIFT_2 28
73 #define S1_P1_SHIFT 14
74 #define S2_P1_SHIFT 20
75 #define S3_P1_SHIFT 26
77 #define S6_P1_SHIFT 12
78 #define S7_P1_SHIFT 18
79 #define S8_P1_SHIFT 24
80 #define S9_P1_BKP_SHIFT 6
81 #define S10_P1_SHIFT 6
82 #define S10_P1_BKP_SHIFT 12
84 #define BASE2_SHIFT 12
85 #define BASE2_BKP_SHIFT 18
86 #define S0_P2_SHIFT 20
87 #define S0_P2_BKP_SHIFT 26
88 #define S1_P2_SHIFT 26
89 #define S2_P2_BKP_SHIFT 6
91 #define S3_P2_BKP_SHIFT 12
92 #define S4_P2_SHIFT 12
93 #define S4_P2_BKP_SHIFT 18
94 #define S5_P2_SHIFT 18
95 #define S5_P2_BKP_SHIFT 24
96 #define S6_P2_SHIFT 24
97 #define S7_P2_BKP_SHIFT 6
99 #define S8_P2_BKP_SHIFT 12
100 #define S9_P2_SHIFT 12
101 #define S9_P2_BKP_SHIFT 18
102 #define S10_P2_SHIFT 18
103 #define S10_P2_BKP_SHIFT 24
105 #define BASE2_MASK 0xff000
106 #define BASE2_BKP_MASK 0xfc0000
107 #define S0_P2_MASK 0x3f00000
108 #define S0_P2_BKP_MASK 0xfc000000
109 #define S1_P2_MASK 0xfc000000
110 #define S1_P2_BKP_MASK 0x3f
111 #define S2_P2_MASK 0x3f
112 #define S2_P2_BKP_MASK 0xfc0
113 #define S3_P2_MASK 0xfc0
114 #define S3_P2_BKP_MASK 0x3f000
115 #define S4_P2_MASK 0x3f000
116 #define S4_P2_BKP_MASK 0xfc0000
117 #define S5_P2_MASK 0xfc0000
118 #define S5_P2_BKP_MASK 0x3f000000
119 #define S6_P2_MASK 0x3f000000
120 #define S6_P2_BKP_MASK 0x3f
121 #define S7_P2_MASK 0x3f
122 #define S7_P2_BKP_MASK 0xfc0
123 #define S8_P2_MASK 0xfc0
124 #define S8_P2_BKP_MASK 0x3f000
125 #define S9_P2_MASK 0x3f000
126 #define S9_P2_BKP_MASK 0xfc0000
127 #define S10_P2_MASK 0xfc0000
128 #define S10_P2_BKP_MASK 0x3f000000
131 #define BKP_REDUN_SEL 0xe0000000
132 #define BKP_REDUN_SHIFT 29
134 #define BIT_APPEND 0x3
136 static int calibrate_8916(struct tsens_priv *priv)
138 int base0 = 0, base1 = 0, i;
141 u32 *qfprom_cdata, *qfprom_csel;
143 qfprom_cdata = (u32 *)qfprom_read(priv->dev, "calib");
144 if (IS_ERR(qfprom_cdata))
145 return PTR_ERR(qfprom_cdata);
147 qfprom_csel = (u32 *)qfprom_read(priv->dev, "calib_sel");
148 if (IS_ERR(qfprom_csel))
149 return PTR_ERR(qfprom_csel);
151 mode = (qfprom_csel[0] & MSM8916_CAL_SEL_MASK) >> MSM8916_CAL_SEL_SHIFT;
152 dev_dbg(priv->dev, "calibration mode is %d\n", mode);
156 base1 = (qfprom_cdata[1] & MSM8916_BASE1_MASK) >> MSM8916_BASE1_SHIFT;
157 p2[0] = (qfprom_cdata[0] & MSM8916_S0_P2_MASK) >> MSM8916_S0_P2_SHIFT;
158 p2[1] = (qfprom_cdata[0] & MSM8916_S1_P2_MASK) >> MSM8916_S1_P2_SHIFT;
159 p2[2] = (qfprom_cdata[1] & MSM8916_S2_P2_MASK) >> MSM8916_S2_P2_SHIFT;
160 p2[3] = (qfprom_cdata[1] & MSM8916_S3_P2_MASK) >> MSM8916_S3_P2_SHIFT;
161 p2[4] = (qfprom_cdata[1] & MSM8916_S4_P2_MASK) >> MSM8916_S4_P2_SHIFT;
162 for (i = 0; i < priv->num_sensors; i++)
163 p2[i] = ((base1 + p2[i]) << 3);
166 base0 = (qfprom_cdata[0] & MSM8916_BASE0_MASK);
167 p1[0] = (qfprom_cdata[0] & MSM8916_S0_P1_MASK) >> MSM8916_S0_P1_SHIFT;
168 p1[1] = (qfprom_cdata[0] & MSM8916_S1_P1_MASK) >> MSM8916_S1_P1_SHIFT;
169 p1[2] = (qfprom_cdata[0] & MSM8916_S2_P1_MASK) >> MSM8916_S2_P1_SHIFT;
170 p1[3] = (qfprom_cdata[1] & MSM8916_S3_P1_MASK) >> MSM8916_S3_P1_SHIFT;
171 p1[4] = (qfprom_cdata[1] & MSM8916_S4_P1_MASK) >> MSM8916_S4_P1_SHIFT;
172 for (i = 0; i < priv->num_sensors; i++)
173 p1[i] = (((base0) + p1[i]) << 3);
176 for (i = 0; i < priv->num_sensors; i++) {
183 compute_intercept_slope(priv, p1, p2, mode);
188 static int calibrate_8974(struct tsens_priv *priv)
190 int base1 = 0, base2 = 0, i;
196 calib = (u32 *)qfprom_read(priv->dev, "calib");
198 return PTR_ERR(calib);
200 bkp = (u32 *)qfprom_read(priv->dev, "calib_backup");
204 calib_redun_sel = bkp[1] & BKP_REDUN_SEL;
205 calib_redun_sel >>= BKP_REDUN_SHIFT;
207 if (calib_redun_sel == BKP_SEL) {
208 mode = (calib[4] & CAL_SEL_0_1) >> CAL_SEL_SHIFT;
209 mode |= (calib[5] & CAL_SEL_2) >> CAL_SEL_SHIFT_2;
213 base2 = (bkp[2] & BASE2_BKP_MASK) >> BASE2_BKP_SHIFT;
214 p2[0] = (bkp[2] & S0_P2_BKP_MASK) >> S0_P2_BKP_SHIFT;
215 p2[1] = (bkp[3] & S1_P2_BKP_MASK);
216 p2[2] = (bkp[3] & S2_P2_BKP_MASK) >> S2_P2_BKP_SHIFT;
217 p2[3] = (bkp[3] & S3_P2_BKP_MASK) >> S3_P2_BKP_SHIFT;
218 p2[4] = (bkp[3] & S4_P2_BKP_MASK) >> S4_P2_BKP_SHIFT;
219 p2[5] = (calib[4] & S5_P2_BKP_MASK) >> S5_P2_BKP_SHIFT;
220 p2[6] = (calib[5] & S6_P2_BKP_MASK);
221 p2[7] = (calib[5] & S7_P2_BKP_MASK) >> S7_P2_BKP_SHIFT;
222 p2[8] = (calib[5] & S8_P2_BKP_MASK) >> S8_P2_BKP_SHIFT;
223 p2[9] = (calib[5] & S9_P2_BKP_MASK) >> S9_P2_BKP_SHIFT;
224 p2[10] = (calib[5] & S10_P2_BKP_MASK) >> S10_P2_BKP_SHIFT;
228 base1 = bkp[0] & BASE1_MASK;
229 p1[0] = (bkp[0] & S0_P1_MASK) >> S0_P1_SHIFT;
230 p1[1] = (bkp[0] & S1_P1_MASK) >> S1_P1_SHIFT;
231 p1[2] = (bkp[0] & S2_P1_MASK) >> S2_P1_SHIFT;
232 p1[3] = (bkp[0] & S3_P1_MASK) >> S3_P1_SHIFT;
233 p1[4] = (bkp[1] & S4_P1_MASK);
234 p1[5] = (bkp[1] & S5_P1_MASK) >> S5_P1_SHIFT;
235 p1[6] = (bkp[1] & S6_P1_MASK) >> S6_P1_SHIFT;
236 p1[7] = (bkp[1] & S7_P1_MASK) >> S7_P1_SHIFT;
237 p1[8] = (bkp[2] & S8_P1_MASK_BKP) >> S8_P1_SHIFT;
238 p1[9] = (bkp[2] & S9_P1_MASK_BKP) >> S9_P1_BKP_SHIFT;
239 p1[10] = (bkp[2] & S10_P1_MASK_BKP) >> S10_P1_BKP_SHIFT;
243 mode = (calib[1] & CAL_SEL_0_1) >> CAL_SEL_SHIFT;
244 mode |= (calib[3] & CAL_SEL_2) >> CAL_SEL_SHIFT_2;
248 base2 = (calib[2] & BASE2_MASK) >> BASE2_SHIFT;
249 p2[0] = (calib[2] & S0_P2_MASK) >> S0_P2_SHIFT;
250 p2[1] = (calib[2] & S1_P2_MASK) >> S1_P2_SHIFT;
251 p2[2] = (calib[3] & S2_P2_MASK);
252 p2[3] = (calib[3] & S3_P2_MASK) >> S3_P2_SHIFT;
253 p2[4] = (calib[3] & S4_P2_MASK) >> S4_P2_SHIFT;
254 p2[5] = (calib[3] & S5_P2_MASK) >> S5_P2_SHIFT;
255 p2[6] = (calib[3] & S6_P2_MASK) >> S6_P2_SHIFT;
256 p2[7] = (calib[4] & S7_P2_MASK);
257 p2[8] = (calib[4] & S8_P2_MASK) >> S8_P2_SHIFT;
258 p2[9] = (calib[4] & S9_P2_MASK) >> S9_P2_SHIFT;
259 p2[10] = (calib[4] & S10_P2_MASK) >> S10_P2_SHIFT;
263 base1 = calib[0] & BASE1_MASK;
264 p1[0] = (calib[0] & S0_P1_MASK) >> S0_P1_SHIFT;
265 p1[1] = (calib[0] & S1_P1_MASK) >> S1_P1_SHIFT;
266 p1[2] = (calib[0] & S2_P1_MASK) >> S2_P1_SHIFT;
267 p1[3] = (calib[0] & S3_P1_MASK) >> S3_P1_SHIFT;
268 p1[4] = (calib[1] & S4_P1_MASK);
269 p1[5] = (calib[1] & S5_P1_MASK) >> S5_P1_SHIFT;
270 p1[6] = (calib[1] & S6_P1_MASK) >> S6_P1_SHIFT;
271 p1[7] = (calib[1] & S7_P1_MASK) >> S7_P1_SHIFT;
272 p1[8] = (calib[1] & S8_P1_MASK) >> S8_P1_SHIFT;
273 p1[9] = (calib[2] & S9_P1_MASK);
274 p1[10] = (calib[2] & S10_P1_MASK) >> S10_P1_SHIFT;
281 for (i = 0; i < priv->num_sensors; i++)
282 p1[i] += (base1 << 2) | BIT_APPEND;
285 for (i = 0; i < priv->num_sensors; i++) {
292 for (i = 0; i < priv->num_sensors; i++) {
299 for (i = 0; i < priv->num_sensors; i++)
315 compute_intercept_slope(priv, p1, p2, mode);
320 /* v0.1: 8916, 8974 */
322 static const struct tsens_features tsens_v0_1_feat = {
323 .ver_major = VER_0_1,
330 static const struct reg_field tsens_v0_1_regfields[MAX_REGFIELDS] = {
331 /* ----- SROT ------ */
332 /* No VERSION information */
335 [TSENS_EN] = REG_FIELD(SROT_CTRL_OFF, 0, 0),
336 [TSENS_SW_RST] = REG_FIELD(SROT_CTRL_OFF, 1, 1),
338 /* ----- TM ------ */
339 /* INTERRUPT ENABLE */
340 [INT_EN] = REG_FIELD(TM_INT_EN_OFF, 0, 0),
343 REG_FIELD_FOR_EACH_SENSOR11(LAST_TEMP, TM_Sn_STATUS_OFF, 0, 9),
344 /* No VALID field on v0.1 */
345 REG_FIELD_FOR_EACH_SENSOR11(MIN_STATUS, TM_Sn_STATUS_OFF, 10, 10),
346 REG_FIELD_FOR_EACH_SENSOR11(LOWER_STATUS, TM_Sn_STATUS_OFF, 11, 11),
347 REG_FIELD_FOR_EACH_SENSOR11(UPPER_STATUS, TM_Sn_STATUS_OFF, 12, 12),
348 /* No CRITICAL field on v0.1 */
349 REG_FIELD_FOR_EACH_SENSOR11(MAX_STATUS, TM_Sn_STATUS_OFF, 13, 13),
351 /* TRDY: 1=ready, 0=in progress */
352 [TRDY] = REG_FIELD(TM_TRDY_OFF, 0, 0),
355 static const struct tsens_ops ops_8916 = {
357 .calibrate = calibrate_8916,
358 .get_temp = get_temp_common,
361 const struct tsens_plat_data data_8916 = {
364 .hw_ids = (unsigned int []){0, 1, 2, 4, 5 },
366 .feat = &tsens_v0_1_feat,
367 .fields = tsens_v0_1_regfields,
370 static const struct tsens_ops ops_8974 = {
372 .calibrate = calibrate_8974,
373 .get_temp = get_temp_common,
376 const struct tsens_plat_data data_8974 = {
379 .feat = &tsens_v0_1_feat,
380 .fields = tsens_v0_1_regfields,