2 * Battery and Power Management code for the Sharp SL-C7xx and SL-Cxx00
5 * Copyright (c) 2004-2005 Richard Purdie
7 * Based on code written by Sharp for 2.4 kernels
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
17 #include <linux/module.h>
18 #include <linux/init.h>
19 #include <linux/kernel.h>
20 #include <linux/interrupt.h>
21 #include <linux/irq.h>
22 #include <linux/platform_device.h>
23 #include <linux/apm-emulation.h>
25 #include <mach/hardware.h>
26 #include <asm/mach-types.h>
28 #include <mach/pxa-regs.h>
29 #include <mach/pxa2xx-gpio.h>
30 #include <mach/sharpsl.h>
33 struct battery_thresh spitz_battery_levels_acin[] = {
76 struct battery_thresh spitz_battery_levels_noac[] = {
119 /* MAX1111 Commands */
120 #define MAXCTRL_PD0 1u << 0
121 #define MAXCTRL_PD1 1u << 1
122 #define MAXCTRL_SGL 1u << 2
123 #define MAXCTRL_UNI 1u << 3
124 #define MAXCTRL_SEL_SH 4
125 #define MAXCTRL_STR 1u << 7
130 int sharpsl_pm_pxa_read_max1111(int channel)
132 if (machine_is_tosa()) // Ugly, better move this function into another module
135 #ifdef CONFIG_CORGI_SSP_DEPRECATED
136 return corgi_ssp_max1111_get((channel << MAXCTRL_SEL_SH) | MAXCTRL_PD0 | MAXCTRL_PD1
137 | MAXCTRL_SGL | MAXCTRL_UNI | MAXCTRL_STR);
139 extern int max1111_read_channel(int);
141 /* max1111 accepts channels from 0-3, however,
142 * it is encoded from 0-7 here in the code.
144 return max1111_read_channel(channel >> 1);
148 void sharpsl_pm_pxa_init(void)
150 pxa_gpio_mode(sharpsl_pm.machinfo->gpio_acin | GPIO_IN);
151 pxa_gpio_mode(sharpsl_pm.machinfo->gpio_batfull | GPIO_IN);
152 pxa_gpio_mode(sharpsl_pm.machinfo->gpio_batlock | GPIO_IN);
154 /* Register interrupt handlers */
155 if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_acin), sharpsl_ac_isr, IRQF_DISABLED, "AC Input Detect", sharpsl_ac_isr)) {
156 dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", IRQ_GPIO(sharpsl_pm.machinfo->gpio_acin));
158 else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_acin),IRQ_TYPE_EDGE_BOTH);
160 if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batlock), sharpsl_fatal_isr, IRQF_DISABLED, "Battery Cover", sharpsl_fatal_isr)) {
161 dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", IRQ_GPIO(sharpsl_pm.machinfo->gpio_batlock));
163 else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batlock),IRQ_TYPE_EDGE_FALLING);
165 if (sharpsl_pm.machinfo->gpio_fatal) {
166 if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_fatal), sharpsl_fatal_isr, IRQF_DISABLED, "Fatal Battery", sharpsl_fatal_isr)) {
167 dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", IRQ_GPIO(sharpsl_pm.machinfo->gpio_fatal));
169 else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_fatal),IRQ_TYPE_EDGE_FALLING);
172 if (sharpsl_pm.machinfo->batfull_irq)
174 /* Register interrupt handler. */
175 if (request_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull), sharpsl_chrg_full_isr, IRQF_DISABLED, "CO", sharpsl_chrg_full_isr)) {
176 dev_err(sharpsl_pm.dev, "Could not get irq %d.\n", IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull));
178 else set_irq_type(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull),IRQ_TYPE_EDGE_RISING);
182 void sharpsl_pm_pxa_remove(void)
184 free_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_acin), sharpsl_ac_isr);
185 free_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batlock), sharpsl_fatal_isr);
187 if (sharpsl_pm.machinfo->gpio_fatal)
188 free_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_fatal), sharpsl_fatal_isr);
190 if (sharpsl_pm.machinfo->batfull_irq)
191 free_irq(IRQ_GPIO(sharpsl_pm.machinfo->gpio_batfull), sharpsl_chrg_full_isr);