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Release 4.16 drivers/acpi/pmic/intel_pmic_chtdc_ti.c

/*
 * Dollar Cove TI PMIC operation region driver
 * Copyright (C) 2014 Intel Corporation. All rights reserved.
 *
 * Rewritten and cleaned up
 * Copyright (C) 2017 Takashi Iwai <tiwai@suse.de>
 */

#include <linux/acpi.h>
#include <linux/init.h>
#include <linux/mfd/intel_soc_pmic.h>
#include <linux/platform_device.h>
#include "intel_pmic.h"

/* registers stored in 16bit BE (high:low, total 10bit) */

#define CHTDC_TI_VBAT		0x54

#define CHTDC_TI_DIETEMP	0x56

#define CHTDC_TI_BPTHERM	0x58

#define CHTDC_TI_GPADC		0x5a


static struct pmic_table chtdc_ti_power_table[] = {
	{ .address = 0x00, .reg = 0x41 },
	{ .address = 0x04, .reg = 0x42 },
	{ .address = 0x08, .reg = 0x43 },
	{ .address = 0x0c, .reg = 0x45 },
	{ .address = 0x10, .reg = 0x46 },
	{ .address = 0x14, .reg = 0x47 },
	{ .address = 0x18, .reg = 0x48 },
	{ .address = 0x1c, .reg = 0x49 },
	{ .address = 0x20, .reg = 0x4a },
	{ .address = 0x24, .reg = 0x4b },
	{ .address = 0x28, .reg = 0x4c },
	{ .address = 0x2c, .reg = 0x4d },
	{ .address = 0x30, .reg = 0x4e },
};


static struct pmic_table chtdc_ti_thermal_table[] = {
	{
		.address = 0x00,
		.reg = CHTDC_TI_GPADC
	},
	{
		.address = 0x0c,
		.reg = CHTDC_TI_GPADC
	},
	/* TMP2 -> SYSTEMP */
	{
		.address = 0x18,
		.reg = CHTDC_TI_GPADC
	},
	/* TMP3 -> BPTHERM */
	{
		.address = 0x24,
		.reg = CHTDC_TI_BPTHERM
	},
	{
		.address = 0x30,
		.reg = CHTDC_TI_GPADC
	},
	/* TMP5 -> DIETEMP */
	{
		.address = 0x3c,
		.reg = CHTDC_TI_DIETEMP
	},
};


static int chtdc_ti_pmic_get_power(struct regmap *regmap, int reg, int bit, u64 *value) { int data; if (regmap_read(regmap, reg, &data)) return -EIO; *value = data & 1; return 0; }

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Takashi Iwai50100.00%1100.00%
Total50100.00%1100.00%


static int chtdc_ti_pmic_update_power(struct regmap *regmap, int reg, int bit, bool on) { return regmap_update_bits(regmap, reg, 1, on); }

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Takashi Iwai32100.00%1100.00%
Total32100.00%1100.00%


static int chtdc_ti_pmic_get_raw_temp(struct regmap *regmap, int reg) { u8 buf[2]; if (regmap_bulk_read(regmap, reg, buf, 2)) return -EIO; /* stored in big-endian */ return ((buf[0] & 0x03) << 8) | buf[1]; }

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Takashi Iwai57100.00%1100.00%
Total57100.00%1100.00%

static struct intel_pmic_opregion_data chtdc_ti_pmic_opregion_data = { .get_power = chtdc_ti_pmic_get_power, .update_power = chtdc_ti_pmic_update_power, .get_raw_temp = chtdc_ti_pmic_get_raw_temp, .power_table = chtdc_ti_power_table, .power_table_count = ARRAY_SIZE(chtdc_ti_power_table), .thermal_table = chtdc_ti_thermal_table, .thermal_table_count = ARRAY_SIZE(chtdc_ti_thermal_table), };
static int chtdc_ti_pmic_opregion_probe(struct platform_device *pdev) { struct intel_soc_pmic *pmic = dev_get_drvdata(pdev->dev.parent); int err; err = intel_pmic_install_opregion_handler(&pdev->dev, ACPI_HANDLE(pdev->dev.parent), pmic->regmap, &chtdc_ti_pmic_opregion_data); if (err < 0) return err; /* Re-enumerate devices depending on PMIC */ acpi_walk_dep_device_list(ACPI_HANDLE(pdev->dev.parent)); return 0; }

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Takashi Iwai79100.00%1100.00%
Total79100.00%1100.00%

static const struct platform_device_id chtdc_ti_pmic_opregion_id_table[] = { { .name = "chtdc_ti_region" }, {}, }; static struct platform_driver chtdc_ti_pmic_opregion_driver = { .probe = chtdc_ti_pmic_opregion_probe, .driver = { .name = "cht_dollar_cove_ti_pmic", }, .id_table = chtdc_ti_pmic_opregion_id_table, }; builtin_platform_driver(chtdc_ti_pmic_opregion_driver);

Overall Contributors

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Takashi Iwai59599.83%150.00%
Andy Shevchenko10.17%150.00%
Total596100.00%2100.00%
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