mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-21 08:53:41 +00:00
183 lines
4.5 KiB
C
183 lines
4.5 KiB
C
/*
|
|
* 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 <asm/hardware.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/arch/pm.h>
|
|
#include <asm/arch/pxa-regs.h>
|
|
#include <asm/arch/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;
|
|
|
|
return corgi_ssp_max1111_get((channel << MAXCTRL_SEL_SH) | MAXCTRL_PD0 | MAXCTRL_PD1
|
|
| MAXCTRL_SGL | MAXCTRL_UNI | MAXCTRL_STR);
|
|
}
|
|
|
|
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),IRQT_BOTHEDGE);
|
|
|
|
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),IRQT_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),IRQT_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),IRQT_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);
|
|
}
|