/*
* Battery and Power Management code for the Sharp SL-C7xx and SL-Cxx00
* series of PDAs
*
* Copyright (c) 2004-2005 Richard Purdie
*
* Based on code written by Sharp for 2.4 kernels
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#undef DEBUG
#include <linux/module.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/platform_device.h>
#include <linux/apm-emulation.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <mach/pm.h>
#include <mach/pxa-regs.h>
#include <mach/pxa2xx-gpio.h>
#include <mach/sharpsl.h>
#include "sharpsl.h"
struct battery_thresh spitz_battery_levels_acin[] = {
{ 213, 100},
{ 212, 98},
{ 211, 95},
{ 210, 93},
{ 209, 90},
{ 208, 88},
{ 207, 85},
{ 206, 83},
{ 205, 80},
{ 204, 78},
{ 203, 75},
{ 202, 73},
{ 201, 70},
{ 200, 68},
{ 199, 65},
{ 198, 63},
{ 197, 60},
{ 196, 58},
{ 195, 55},
{ 194, 53},
{ 193, 50},
{ 192, 48},
{ 192, 45},
{ 191, 43},
{ 191, 40},
{ 190, 38},
{ 190, 35},
{ 189, 33},
{ 188, 30},
{ 187, 28},
{ 186, 25},
{ 185, 23},
{ 184, 20},
{ 183, 18},
{ 182, 15},
{ 181, 13},
{ 180, 10},
{ 179, 8},
{ 178, 5},
{ 0, 0},
};
struct battery_thresh spitz_battery_levels_noac[] = {
{ 213, 100},
{ 212, 98},
{ 211, 95},
{ 210, 93},
{ 209, 90},
{ 208, 88},
{ 207, 85},
{ 206, 83},
{ 205, 80},
{ 204, 78},
{ 203, 75},
{ 202, 73},
{ 201, 70},
{ 200, 68},
{ 199, 65},
{ 198, 63},
{ 197, 60},
{ 196, 58},
{ 195, 55},
{ 194, 53},
{ 193, 50},
{ 192, 48},
{ 191, 45},
{ 190, 43},
{ 189, 40},
{ 188, 38},
{ 187, 35},
{ 186, 33},
{ 185, 30},
{ 184, 28},
{ 183, 25},
{ 182, 23},
{ 181, 20},
{ 180, 18},
{ 179, 15},
{ 178, 13},
{ 177, 10},
{ 176, 8},
{ 175, 5},
{ 0, 0},
};
/* MAX1111 Commands */
#define MAXCTRL_PD0 1u << 0
#define MAXCTRL_PD1 1u << 1
#define MAXCTRL_SGL 1u << 2
#define MAXCTRL_UNI 1u << 3
#define MAXCTRL_SEL_SH 4
#define MAXCTRL_STR 1u << 7
/*
* Read MAX1111 ADC
*/
int sharpsl_pm_pxa_read_max1111(int channel)
{
if (machine_is_tosa()) // Ugly, better move this function into another module
return 0;
#ifdef CONFIG_CORGI_SSP_DEPRECATED
return corgi_ssp_max1111_get((channel << MAXCTRL_SEL_SH) | MAXCTRL_PD0 | MAXCTRL_PD1
| MAXCTRL_SGL | MAXCTRL_UNI | MAXCTRL_STR);
#else
extern int max1111_read_channel(int);
/* max1111 accepts channels from 0-3, however,
* it is encoded from 0-7 here in the code.
*/
return max1111_read_channel(channel >> 1);
#endif
}
void sharpsl_pm_pxa_init(void)
{
pxa_gpio_mode(sharpsl_pm.machinfo->gpio_acin | GPIO_IN);
pxa_gpio_mode(sharpsl_pm.machinfo->gpio_batfull | GPIO_IN);
pxa_gpio_mode(sharpsl_pm.machinfo->gpio_batlock | GPIO_IN);
/* Register interrupt handlers */
if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_acin), sharpsl_ac_isr, IRQF_DISABLED, "AC Input Detect", sharpsl_ac_isr)) {
dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", IRQ_GPIO(sharpsl_pm.machinfo->gpio_acin));
}
else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_acin),IRQ_TYPE_EDGE_BOTH);
if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batlock), sharpsl_fatal_isr, IRQF_DISABLED, "Battery Cover", sharpsl_fatal_isr)) {
dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", IRQ_GPIO(sharpsl_pm.machinfo->gpio_batlock));
}
else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batlock),IRQ_TYPE_EDGE_FALLING);
if (sharpsl_pm.machinfo->gpio_fatal) {
if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_fatal), sharpsl_fatal_isr, IRQF_DISABLED, "Fatal Battery", sharpsl_fatal_isr)) {
dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", IRQ_GPIO(sharpsl_pm.machinfo->gpio_fatal));
}
else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_fatal),IRQ_TYPE_EDGE_FALLING);
}
if (sharpsl_pm.machinfo->batfull_irq)
{
/* Register interrupt handler. */
if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull), sharpsl_chrg_full_isr, IRQF_DISABLED, "CO", sharpsl_chrg_full_isr)) {
dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull));
}
else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull),IRQ_TYPE_EDGE_RISING);
}
}
void sharpsl_pm_pxa_remove(void)
{
free_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_acin), sharpsl_ac_isr);
free_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batlock), sharpsl_fatal_isr);
if (sharpsl_pm.machinfo->gpio_fatal)
free_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_fatal), sharpsl_fatal_isr);
if (sharpsl_pm.machinfo->batfull_irq)
free_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull), sharpsl_chrg_full_isr);
}
