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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 | /* * 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); } |