/*
 * 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 <linux/regmap.h>
#include "tsens.h"

#define STATUS_OFFSET	0x10a0
#define LAST_TEMP_MASK	0xfff
#define STATUS_VALID_BIT	BIT(21)
#define CODE_SIGN_BIT		BIT(11)

static int get_temp_8996(struct tsens_device *tmdev, int id, int *temp)
{
	struct tsens_sensor *s = &tmdev->sensor[id];
	u32 code;
	unsigned int sensor_addr;
	int last_temp = 0, last_temp2 = 0, last_temp3 = 0, ret;

	sensor_addr = STATUS_OFFSET + s->hw_id * 4;
	ret = regmap_read(tmdev->map, sensor_addr, &code);
	if (ret)
		return ret;
	last_temp = code & LAST_TEMP_MASK;
	if (code & STATUS_VALID_BIT)
		goto done;

	/* Try a second time */
	ret = regmap_read(tmdev->map, sensor_addr, &code);
	if (ret)
		return ret;
	if (code & STATUS_VALID_BIT) {
		last_temp = code & LAST_TEMP_MASK;
		goto done;
	} else {
		last_temp2 = code & LAST_TEMP_MASK;
	}

	/* Try a third/last time */
	ret = regmap_read(tmdev->map, sensor_addr, &code);
	if (ret)
		return ret;
	if (code & STATUS_VALID_BIT) {
		last_temp = code & LAST_TEMP_MASK;
		goto done;
	} else {
		last_temp3 = code & LAST_TEMP_MASK;
	}

	if (last_temp == last_temp2)
		last_temp = last_temp2;
	else if (last_temp2 == last_temp3)
		last_temp = last_temp3;
done:
	/* Code sign bit is the sign extension for a negative value */
	if (last_temp & CODE_SIGN_BIT)
		last_temp |= ~CODE_SIGN_BIT;

	/* Temperatures are in deciCelicius */
	*temp = last_temp * 100;

	return 0;
}

static const struct tsens_ops ops_8996 = {
	.init		= init_common,
	.get_temp	= get_temp_8996,
};

const struct tsens_data data_8996 = {
	.num_sensors	= 13,
	.ops		= &ops_8996,
};
git.cgi/linux/net-next.git/log/net/rxrpc/rxkad.c'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=04d8a0a5f3b6887543850d991a5e37c4ec90e250'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net?id=04d8a0a5f3b6887543850d991a5e37c4ec90e250'>net</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/rxrpc?id=04d8a0a5f3b6887543850d991a5e37c4ec90e250'>rxrpc</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/rxrpc/rxkad.c?id=04d8a0a5f3b6887543850d991a5e37c4ec90e250'>rxkad.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='04d8a0a5f3b6887543850d991a5e37c4ec90e250'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Raju Lakkaraju &lt;Raju.Lakkaraju@microsemi.com&gt;</td><td class='right'>2017-02-07 19:10:26 +0530</td></tr>
<tr><th>committer</th><td>David S. Miller &lt;davem@davemloft.net&gt;</td><td class='right'>2017-02-08 13:29:04 -0500</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/rxrpc/rxkad.c?id=04d8a0a5f3b6887543850d991a5e37c4ec90e250'>04d8a0a5f3b6887543850d991a5e37c4ec90e250</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/rxrpc/rxkad.c?id=04d8a0a5f3b6887543850d991a5e37c4ec90e250'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=04d8a0a5f3b6887543850d991a5e37c4ec90e250'>ee1fafb2122c2b29c7cb19e571bd7229afdbf847</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/rxrpc/rxkad.c?id=04d8a0a5f3b6887543850d991a5e37c4ec90e250'>net/rxrpc/rxkad.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/rxrpc/rxkad.c?id=ff4cf0e5ce952488074aa7f47734af1794f55fbc'>ff4cf0e5ce952488074aa7f47734af1794f55fbc</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/rxrpc/rxkad.c?id=04d8a0a5f3b6887543850d991a5e37c4ec90e250&amp;id2=ff4cf0e5ce952488074aa7f47734af1794f55fbc'>diff</a>)</td></tr></table>
<div class='commit-subject'>net: phy: Add LED mode driver for Microsemi PHYs.</div><div class='commit-msg'>LED Mode:
Microsemi PHY support 2 LEDs (LED[0] and LED[1]) to display different
status information that can be selected by setting LED mode.

LED Mode parameter (vsc8531, led-0-mode) and (vsc8531, led-1-mode) get
from Device Tree.

Signed-off-by: Raju Lakkaraju &lt;Raju.Lakkaraju@microsemi.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=04d8a0a5f3b6887543850d991a5e37c4ec90e250'>Diffstat</a> (limited to 'net/rxrpc/rxkad.c')</div><table summary='diffstat' class='diffstat'>