arch/x86/platform/intel-mid/device_libs/platform_msic_thermal.c

/*
 * platform_msic_thermal.c: msic_thermal platform data initilization file
 *
 * (C) Copyright 2008 Intel Corporation
 * Author:
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; version 2
 * of the License.
 */

#include <linux/input.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/mfd/intel_msic.h>
#include <asm/intel-mid.h>
#include <asm/intel_mid_gpadc.h>
#include <asm/intel_mid_thermal.h>
#include <linux/platform_data/intel_mid_remoteproc.h>
#include "platform_msic.h"
#include "platform_msic_thermal.h"

/* ctp thermal sensor list */
static struct intel_mid_thermal_sensor ctp_sensors[] = {
	{
		.name = SKIN0_NAME,
		.index = 0,
		.slope = 410,
		.intercept = 16808,
		.adc_channel = 0x04 | CH_NEED_VREF | CH_NEED_VCALIB,
		.temp_correlation = skin0_temp_correlation,
		.direct = false,
	},
	{
		.name = SKIN1_NAME,
		.index = 1,
		.slope = 665,
		.intercept = 8375,
		.adc_channel = 0x04 | CH_NEED_VREF | CH_NEED_VCALIB,
		.temp_correlation = skin0_temp_correlation,
		.direct = false,
	},
	{
		.name = MSIC_DIE_NAME,
		.index = 2,
		.slope = 368,
		.intercept = 219560,
		.adc_channel = 0x03 | CH_NEED_VCALIB,
		.direct = true,
	},
	{
		.name = BPTHERM_NAME,
		.index = 3,
		.slope = 788,
		.intercept = 5065,
		.adc_channel = 0x09 | CH_NEED_VREF | CH_NEED_VCALIB,
		.temp_correlation = bptherm_temp_correlation,
		.direct = false,
	},

};

/* mfld thermal sensor list */
static struct intel_mid_thermal_sensor mfld_sensors[] = {
	{
		.name = SKIN0_NAME,
		.index = 0,
		.slope = 851,
		.intercept = 2800,
		.adc_channel = 0x08 | CH_NEED_VREF | CH_NEED_VCALIB,
		.temp_correlation = skin0_temp_correlation,
		.direct = false,
	},
	{
		.name = SKIN1_NAME,
		.index = 1,
		.slope = 806,
		.intercept = 1800,
		.adc_channel = 0x08 | CH_NEED_VREF | CH_NEED_VCALIB,
		.temp_correlation = skin1_temp_correlation,
		.direct = false,
	},
	{
		.name = MSIC_SYS_NAME,
		.index = 2,
		.slope = 0,
		.intercept = 0,
		.adc_channel = 0x0A | CH_NEED_VREF | CH_NEED_VCALIB,
		.direct = false,
	},
	{
		.name = MSIC_DIE_NAME,
		.index = 3,
		.slope = 368,
		.intercept = 219560,
		.adc_channel = 0x03 | CH_NEED_VCALIB,
		.direct = true,
	},

};

/* LEX thermal sensor list */
static struct intel_mid_thermal_sensor lex_sensors[] = {
	{
		.name = SKIN0_NAME,
		.index = 0,
		.slope = 851,
		.intercept = 2800,
		.adc_channel = 0x08 | CH_NEED_VREF | CH_NEED_VCALIB,
		.temp_correlation = skin0_temp_correlation,
		.direct = false,
	},
	{
		.name = SKIN1_NAME,
		.index = 1,
		.slope = 806,
		.intercept = 1800,
		.adc_channel = 0x08 | CH_NEED_VREF | CH_NEED_VCALIB,
		.temp_correlation = skin1_temp_correlation,
		.direct = false,
	},
	{
		.name = MSIC_SYS_NAME,
		.index = 2,
		.slope = 0,
		.intercept = 0,
		.adc_channel = 0x0A | CH_NEED_VREF | CH_NEED_VCALIB,
		.direct = false,
	},
	{
		.name = MSIC_DIE_NAME,
		.index = 3,
		.slope = 368,
		.intercept = 219560,
		.adc_channel = 0x03 | CH_NEED_VCALIB,
		.direct = true,
	},

};


static struct intel_mid_thermal_platform_data pdata[] = {
	[mfld_thermal] = {
		.num_sensors = 4,
		.sensors = mfld_sensors,
		.soc_cooling = false,
	},
	[ctp_thermal] = {
		.num_sensors = 4,
		.sensors = ctp_sensors,
		.soc_cooling = true,
	},
	[lex_thermal] = {
		.num_sensors = 4,
		.sensors = lex_sensors,
		.soc_cooling = false,
	},
};

void __init *msic_thermal_platform_data(void *info)
{
	struct platform_device *pdev;

	pdev = platform_device_alloc(MSIC_THERM_DEV_NAME, -1);
	if (!pdev) {
		pr_err("out of memory for SFI platform dev %s\n",
			MSIC_THERM_DEV_NAME);
		return NULL;
	}

	if (platform_device_add(pdev)) {
		pr_err("failed to add thermal platform device\n");
		platform_device_put(pdev);
		return NULL;
	}

	pdev->dev.platform_data = &pdata[mfld_thermal];

	register_rpmsg_service("rpmsg_mid_thermal", RPROC_SCU, RP_MSIC_THERMAL);

	return 0;
}