/*
* wm831x-core.c -- Device access for Wolfson WM831x PMICs
*
* Copyright 2009 Wolfson Microelectronics PLC.
*
* Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
*
* 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; either version 2 of the License, or (at your
* option) any later version.
*
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/bcd.h>
#include <linux/delay.h>
#include <linux/mfd/core.h>
#include <linux/mfd/wm831x/core.h>
#include <linux/mfd/wm831x/pdata.h>
#include <linux/mfd/wm831x/irq.h>
#include <linux/mfd/wm831x/auxadc.h>
#include <linux/mfd/wm831x/otp.h>
#include <linux/mfd/wm831x/regulator.h>
/* Current settings - values are 2*2^(reg_val/4) microamps. These are
* exported since they are used by multiple drivers.
*/
int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL + 1] = {
2,
2,
3,
3,
4,
5,
6,
7,
8,
10,
11,
13,
16,
19,
23,
27,
32,
38,
45,
54,
64,
76,
91,
108,
128,
152,
181,
215,
256,
304,
362,
431,
512,
609,
724,
861,
1024,
1218,
1448,
1722,
2048,
2435,
2896,
3444,
4096,
4871,
5793,
6889,
8192,
9742,
11585,
13777,
16384,
19484,
23170,
27554,
};
EXPORT_SYMBOL_GPL(wm831x_isinkv_values);
enum wm831x_parent {
WM8310 = 0x8310,
WM8311 = 0x8311,
WM8312 = 0x8312,
WM8320 = 0x8320,
};
static int wm831x_reg_locked(struct wm831x *wm831x, unsigned short reg)
{
if (!wm831x->locked)
return 0;
switch (reg) {
case WM831X_WATCHDOG:
case WM831X_DC4_C
| 