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Release 4.11 drivers/thermal/qcom/tsens-8974.c

/*
 * Copyright (c) 2015, The Linux Foundation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */

#include <linux/platform_device.h>
#include "tsens.h"

/* eeprom layout data for 8974 */

#define BASE1_MASK		0xff

#define S0_P1_MASK		0x3f00

#define S1_P1_MASK		0xfc000

#define S2_P1_MASK		0x3f00000

#define S3_P1_MASK		0xfc000000

#define S4_P1_MASK		0x3f

#define S5_P1_MASK		0xfc0

#define S6_P1_MASK		0x3f000

#define S7_P1_MASK		0xfc0000

#define S8_P1_MASK		0x3f000000

#define S8_P1_MASK_BKP		0x3f

#define S9_P1_MASK		0x3f

#define S9_P1_MASK_BKP		0xfc0

#define S10_P1_MASK		0xfc0

#define S10_P1_MASK_BKP		0x3f000

#define CAL_SEL_0_1		0xc0000000

#define CAL_SEL_2		0x40000000

#define CAL_SEL_SHIFT		30

#define CAL_SEL_SHIFT_2		28


#define S0_P1_SHIFT		8

#define S1_P1_SHIFT		14

#define S2_P1_SHIFT		20

#define S3_P1_SHIFT		26

#define S5_P1_SHIFT		6

#define S6_P1_SHIFT		12

#define S7_P1_SHIFT		18

#define S8_P1_SHIFT		24

#define S9_P1_BKP_SHIFT		6

#define S10_P1_SHIFT		6

#define S10_P1_BKP_SHIFT	12


#define BASE2_SHIFT		12

#define BASE2_BKP_SHIFT		18

#define S0_P2_SHIFT		20

#define S0_P2_BKP_SHIFT		26

#define S1_P2_SHIFT		26

#define S2_P2_BKP_SHIFT		6

#define S3_P2_SHIFT		6

#define S3_P2_BKP_SHIFT		12

#define S4_P2_SHIFT		12

#define S4_P2_BKP_SHIFT		18

#define S5_P2_SHIFT		18

#define S5_P2_BKP_SHIFT		24

#define S6_P2_SHIFT		24

#define S7_P2_BKP_SHIFT		6

#define S8_P2_SHIFT		6

#define S8_P2_BKP_SHIFT		12

#define S9_P2_SHIFT		12

#define S9_P2_BKP_SHIFT		18

#define S10_P2_SHIFT		18

#define S10_P2_BKP_SHIFT	24


#define BASE2_MASK		0xff000

#define BASE2_BKP_MASK		0xfc0000

#define S0_P2_MASK		0x3f00000

#define S0_P2_BKP_MASK		0xfc000000

#define S1_P2_MASK		0xfc000000

#define S1_P2_BKP_MASK		0x3f

#define S2_P2_MASK		0x3f

#define S2_P2_BKP_MASK		0xfc0

#define S3_P2_MASK		0xfc0

#define S3_P2_BKP_MASK		0x3f000

#define S4_P2_MASK		0x3f000

#define S4_P2_BKP_MASK		0xfc0000

#define S5_P2_MASK		0xfc0000

#define S5_P2_BKP_MASK		0x3f000000

#define S6_P2_MASK		0x3f000000

#define S6_P2_BKP_MASK		0x3f

#define S7_P2_MASK		0x3f

#define S7_P2_BKP_MASK		0xfc0

#define S8_P2_MASK		0xfc0

#define S8_P2_BKP_MASK		0x3f000

#define S9_P2_MASK		0x3f000

#define S9_P2_BKP_MASK		0xfc0000

#define S10_P2_MASK		0xfc0000

#define S10_P2_BKP_MASK		0x3f000000


#define BKP_SEL			0x3

#define BKP_REDUN_SEL		0xe0000000

#define BKP_REDUN_SHIFT		29


#define BIT_APPEND		0x3


static int calibrate_8974(struct tsens_device *tmdev) { int base1 = 0, base2 = 0, i; u32 p1[11], p2[11]; int mode = 0; u32 *calib, *bkp; u32 calib_redun_sel; calib = (u32 *)qfprom_read(tmdev->dev, "calib"); if (IS_ERR(calib)) return PTR_ERR(calib); bkp = (u32 *)qfprom_read(tmdev->dev, "calib_backup"); if (IS_ERR(bkp)) return PTR_ERR(bkp); calib_redun_sel = bkp[1] & BKP_REDUN_SEL; calib_redun_sel >>= BKP_REDUN_SHIFT; if (calib_redun_sel == BKP_SEL) { mode = (calib[4] & CAL_SEL_0_1) >> CAL_SEL_SHIFT; mode |= (calib[5] & CAL_SEL_2) >> CAL_SEL_SHIFT_2; switch (mode) { case TWO_PT_CALIB: base2 = (bkp[2] & BASE2_BKP_MASK) >> BASE2_BKP_SHIFT; p2[0] = (bkp[2] & S0_P2_BKP_MASK) >> S0_P2_BKP_SHIFT; p2[1] = (bkp[3] & S1_P2_BKP_MASK); p2[2] = (bkp[3] & S2_P2_BKP_MASK) >> S2_P2_BKP_SHIFT; p2[3] = (bkp[3] & S3_P2_BKP_MASK) >> S3_P2_BKP_SHIFT; p2[4] = (bkp[3] & S4_P2_BKP_MASK) >> S4_P2_BKP_SHIFT; p2[5] = (calib[4] & S5_P2_BKP_MASK) >> S5_P2_BKP_SHIFT; p2[6] = (calib[5] & S6_P2_BKP_MASK); p2[7] = (calib[5] & S7_P2_BKP_MASK) >> S7_P2_BKP_SHIFT; p2[8] = (calib[5] & S8_P2_BKP_MASK) >> S8_P2_BKP_SHIFT; p2[9] = (calib[5] & S9_P2_BKP_MASK) >> S9_P2_BKP_SHIFT; p2[10] = (calib[5] & S10_P2_BKP_MASK) >> S10_P2_BKP_SHIFT; /* Fall through */ case ONE_PT_CALIB: case ONE_PT_CALIB2: base1 = bkp[0] & BASE1_MASK; p1[0] = (bkp[0] & S0_P1_MASK) >> S0_P1_SHIFT; p1[1] = (bkp[0] & S1_P1_MASK) >> S1_P1_SHIFT; p1[2] = (bkp[0] & S2_P1_MASK) >> S2_P1_SHIFT; p1[3] = (bkp[0] & S3_P1_MASK) >> S3_P1_SHIFT; p1[4] = (bkp[1] & S4_P1_MASK); p1[5] = (bkp[1] & S5_P1_MASK) >> S5_P1_SHIFT; p1[6] = (bkp[1] & S6_P1_MASK) >> S6_P1_SHIFT; p1[7] = (bkp[1] & S7_P1_MASK) >> S7_P1_SHIFT; p1[8] = (bkp[2] & S8_P1_MASK_BKP) >> S8_P1_SHIFT; p1[9] = (bkp[2] & S9_P1_MASK_BKP) >> S9_P1_BKP_SHIFT; p1[10] = (bkp[2] & S10_P1_MASK_BKP) >> S10_P1_BKP_SHIFT; break; } } else { mode = (calib[1] & CAL_SEL_0_1) >> CAL_SEL_SHIFT; mode |= (calib[3] & CAL_SEL_2) >> CAL_SEL_SHIFT_2; switch (mode) { case TWO_PT_CALIB: base2 = (calib[2] & BASE2_MASK) >> BASE2_SHIFT; p2[0] = (calib[2] & S0_P2_MASK) >> S0_P2_SHIFT; p2[1] = (calib[2] & S1_P2_MASK) >> S1_P2_SHIFT; p2[2] = (calib[3] & S2_P2_MASK); p2[3] = (calib[3] & S3_P2_MASK) >> S3_P2_SHIFT; p2[4] = (calib[3] & S4_P2_MASK) >> S4_P2_SHIFT; p2[5] = (calib[3] & S5_P2_MASK) >> S5_P2_SHIFT; p2[6] = (calib[3] & S6_P2_MASK) >> S6_P2_SHIFT; p2[7] = (calib[4] & S7_P2_MASK); p2[8] = (calib[4] & S8_P2_MASK) >> S8_P2_SHIFT; p2[9] = (calib[4] & S9_P2_MASK) >> S9_P2_SHIFT; p2[10] = (calib[4] & S10_P2_MASK) >> S10_P2_SHIFT; /* Fall through */ case ONE_PT_CALIB: case ONE_PT_CALIB2: base1 = calib[0] & BASE1_MASK; p1[0] = (calib[0] & S0_P1_MASK) >> S0_P1_SHIFT; p1[1] = (calib[0] & S1_P1_MASK) >> S1_P1_SHIFT; p1[2] = (calib[0] & S2_P1_MASK) >> S2_P1_SHIFT; p1[3] = (calib[0] & S3_P1_MASK) >> S3_P1_SHIFT; p1[4] = (calib[1] & S4_P1_MASK); p1[5] = (calib[1] & S5_P1_MASK) >> S5_P1_SHIFT; p1[6] = (calib[1] & S6_P1_MASK) >> S6_P1_SHIFT; p1[7] = (calib[1] & S7_P1_MASK) >> S7_P1_SHIFT; p1[8] = (calib[1] & S8_P1_MASK) >> S8_P1_SHIFT; p1[9] = (calib[2] & S9_P1_MASK); p1[10] = (calib[2] & S10_P1_MASK) >> S10_P1_SHIFT; break; } } switch (mode) { case ONE_PT_CALIB: for (i = 0; i < tmdev->num_sensors; i++) p1[i] += (base1 << 2) | BIT_APPEND; break; case TWO_PT_CALIB: for (i = 0; i < tmdev->num_sensors; i++) { p2[i] += base2; p2[i] <<= 2; p2[i] |= BIT_APPEND; } /* Fall through */ case ONE_PT_CALIB2: for (i = 0; i < tmdev->num_sensors; i++) { p1[i] += base1; p1[i] <<= 2; p1[i] |= BIT_APPEND; } break; default: for (i = 0; i < tmdev->num_sensors; i++) p2[i] = 780; p1[0] = 502; p1[1] = 509; p1[2] = 503; p1[3] = 509; p1[4] = 505; p1[5] = 509; p1[6] = 507; p1[7] = 510; p1[8] = 508; p1[9] = 509; p1[10] = 508; break; } compute_intercept_slope(tmdev, p1, p2, mode); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Rajendra Nayak1185100.00%1100.00%
Total1185100.00%1100.00%

static const struct tsens_ops ops_8974 = { .init = init_common, .calibrate = calibrate_8974, .get_temp = get_temp_common, }; const struct tsens_data data_8974 = { .num_sensors = 11, .ops = &ops_8974, };

Overall Contributors

PersonTokensPropCommitsCommitProp
Rajendra Nayak154599.94%150.00%
Eduardo Valentin10.06%150.00%
Total1546100.00%2100.00%
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