diff options
Diffstat (limited to 'arch/arm/common')
| -rw-r--r-- | arch/arm/common/Kconfig | 12 | ||||
| -rw-r--r-- | arch/arm/common/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/common/clkdev.c | 18 | ||||
| -rw-r--r-- | arch/arm/common/gic.c | 6 | ||||
| -rw-r--r-- | arch/arm/common/sharpsl_pm.c | 859 | ||||
| -rw-r--r-- | arch/arm/common/vic.c | 225 |
6 files changed, 248 insertions, 873 deletions
diff --git a/arch/arm/common/Kconfig b/arch/arm/common/Kconfig index a2cd9beaf37d..4efbb9df0444 100644 --- a/arch/arm/common/Kconfig +++ b/arch/arm/common/Kconfig | |||
| @@ -4,6 +4,14 @@ config ARM_GIC | |||
| 4 | config ARM_VIC | 4 | config ARM_VIC |
| 5 | bool | 5 | bool |
| 6 | 6 | ||
| 7 | config ARM_VIC_NR | ||
| 8 | int | ||
| 9 | default 2 | ||
| 10 | depends on ARM_VIC | ||
| 11 | help | ||
| 12 | The maximum number of VICs available in the system, for | ||
| 13 | power management. | ||
| 14 | |||
| 7 | config ICST525 | 15 | config ICST525 |
| 8 | bool | 16 | bool |
| 9 | 17 | ||
| @@ -27,10 +35,6 @@ config SHARP_LOCOMO | |||
| 27 | config SHARP_PARAM | 35 | config SHARP_PARAM |
| 28 | bool | 36 | bool |
| 29 | 37 | ||
| 30 | config SHARPSL_PM | ||
| 31 | bool | ||
| 32 | select APM_EMULATION | ||
| 33 | |||
| 34 | config SHARP_SCOOP | 38 | config SHARP_SCOOP |
| 35 | bool | 39 | bool |
| 36 | 40 | ||
diff --git a/arch/arm/common/Makefile b/arch/arm/common/Makefile index 7cb7961d81cb..76be7ff2a7ca 100644 --- a/arch/arm/common/Makefile +++ b/arch/arm/common/Makefile | |||
| @@ -12,7 +12,6 @@ obj-$(CONFIG_DMABOUNCE) += dmabounce.o | |||
| 12 | obj-$(CONFIG_TIMER_ACORN) += time-acorn.o | 12 | obj-$(CONFIG_TIMER_ACORN) += time-acorn.o |
| 13 | obj-$(CONFIG_SHARP_LOCOMO) += locomo.o | 13 | obj-$(CONFIG_SHARP_LOCOMO) += locomo.o |
| 14 | obj-$(CONFIG_SHARP_PARAM) += sharpsl_param.o | 14 | obj-$(CONFIG_SHARP_PARAM) += sharpsl_param.o |
| 15 | obj-$(CONFIG_SHARPSL_PM) += sharpsl_pm.o | ||
| 16 | obj-$(CONFIG_SHARP_SCOOP) += scoop.o | 15 | obj-$(CONFIG_SHARP_SCOOP) += scoop.o |
| 17 | obj-$(CONFIG_ARCH_IXP2000) += uengine.o | 16 | obj-$(CONFIG_ARCH_IXP2000) += uengine.o |
| 18 | obj-$(CONFIG_ARCH_IXP23XX) += uengine.o | 17 | obj-$(CONFIG_ARCH_IXP23XX) += uengine.o |
diff --git a/arch/arm/common/clkdev.c b/arch/arm/common/clkdev.c index 5589444ff437..f37afd9422f3 100644 --- a/arch/arm/common/clkdev.c +++ b/arch/arm/common/clkdev.c | |||
| @@ -135,6 +135,24 @@ struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id, | |||
| 135 | } | 135 | } |
| 136 | EXPORT_SYMBOL(clkdev_alloc); | 136 | EXPORT_SYMBOL(clkdev_alloc); |
| 137 | 137 | ||
| 138 | int clk_add_alias(const char *alias, const char *alias_dev_name, char *id, | ||
| 139 | struct device *dev) | ||
| 140 | { | ||
| 141 | struct clk *r = clk_get(dev, id); | ||
| 142 | struct clk_lookup *l; | ||
| 143 | |||
| 144 | if (IS_ERR(r)) | ||
| 145 | return PTR_ERR(r); | ||
| 146 | |||
| 147 | l = clkdev_alloc(r, alias, alias_dev_name); | ||
| 148 | clk_put(r); | ||
| 149 | if (!l) | ||
| 150 | return -ENODEV; | ||
| 151 | clkdev_add(l); | ||
| 152 | return 0; | ||
| 153 | } | ||
| 154 | EXPORT_SYMBOL(clk_add_alias); | ||
| 155 | |||
| 138 | /* | 156 | /* |
| 139 | * clkdev_drop - remove a clock dynamically allocated | 157 | * clkdev_drop - remove a clock dynamically allocated |
| 140 | */ | 158 | */ |
diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c index 3e1714c6523f..337741f734ac 100644 --- a/arch/arm/common/gic.c +++ b/arch/arm/common/gic.c | |||
| @@ -109,7 +109,7 @@ static void gic_unmask_irq(unsigned int irq) | |||
| 109 | } | 109 | } |
| 110 | 110 | ||
| 111 | #ifdef CONFIG_SMP | 111 | #ifdef CONFIG_SMP |
| 112 | static void gic_set_cpu(unsigned int irq, const struct cpumask *mask_val) | 112 | static int gic_set_cpu(unsigned int irq, const struct cpumask *mask_val) |
| 113 | { | 113 | { |
| 114 | void __iomem *reg = gic_dist_base(irq) + GIC_DIST_TARGET + (gic_irq(irq) & ~3); | 114 | void __iomem *reg = gic_dist_base(irq) + GIC_DIST_TARGET + (gic_irq(irq) & ~3); |
| 115 | unsigned int shift = (irq % 4) * 8; | 115 | unsigned int shift = (irq % 4) * 8; |
| @@ -117,11 +117,13 @@ static void gic_set_cpu(unsigned int irq, const struct cpumask *mask_val) | |||
| 117 | u32 val; | 117 | u32 val; |
| 118 | 118 | ||
| 119 | spin_lock(&irq_controller_lock); | 119 | spin_lock(&irq_controller_lock); |
| 120 | irq_desc[irq].cpu = cpu; | 120 | irq_desc[irq].node = cpu; |
| 121 | val = readl(reg) & ~(0xff << shift); | 121 | val = readl(reg) & ~(0xff << shift); |
| 122 | val |= 1 << (cpu + shift); | 122 | val |= 1 << (cpu + shift); |
| 123 | writel(val, reg); | 123 | writel(val, reg); |
| 124 | spin_unlock(&irq_controller_lock); | 124 | spin_unlock(&irq_controller_lock); |
| 125 | |||
| 126 | return 0; | ||
| 125 | } | 127 | } |
| 126 | #endif | 128 | #endif |
| 127 | 129 | ||
diff --git a/arch/arm/common/sharpsl_pm.c b/arch/arm/common/sharpsl_pm.c deleted file mode 100644 index 140f1d721d50..000000000000 --- a/arch/arm/common/sharpsl_pm.c +++ /dev/null | |||
| @@ -1,859 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * Battery and Power Management code for the Sharp SL-C7xx and SL-Cxx00 | ||
| 3 | * series of PDAs | ||
| 4 | * | ||
| 5 | * Copyright (c) 2004-2005 Richard Purdie | ||
| 6 | * | ||
| 7 | * Based on code written by Sharp for 2.4 kernels | ||
| 8 | * | ||
| 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. | ||
| 12 | * | ||
| 13 | */ | ||
| 14 | |||
| 15 | #undef DEBUG | ||
| 16 | |||
| 17 | #include <linux/module.h> | ||
| 18 | #include <linux/timer.h> | ||
| 19 | #include <linux/init.h> | ||
| 20 | #include <linux/kernel.h> | ||
| 21 | #include <linux/apm_bios.h> | ||
| 22 | #include <linux/delay.h> | ||
| 23 | #include <linux/interrupt.h> | ||
| 24 | #include <linux/platform_device.h> | ||
| 25 | #include <linux/leds.h> | ||
| 26 | #include <linux/apm-emulation.h> | ||
| 27 | #include <linux/suspend.h> | ||
| 28 | |||
| 29 | #include <mach/hardware.h> | ||
| 30 | #include <asm/irq.h> | ||
| 31 | #include <mach/pm.h> | ||
| 32 | #include <mach/pxa2xx-regs.h> | ||
| 33 | #include <mach/regs-rtc.h> | ||
| 34 | #include <mach/sharpsl.h> | ||
| 35 | #include <asm/hardware/sharpsl_pm.h> | ||
| 36 | |||
| 37 | /* | ||
| 38 | * Constants | ||
| 39 | */ | ||
| 40 | #define SHARPSL_CHARGE_ON_TIME_INTERVAL (msecs_to_jiffies(1*60*1000)) /* 1 min */ | ||
| 41 | #define SHARPSL_CHARGE_FINISH_TIME (msecs_to_jiffies(10*60*1000)) /* 10 min */ | ||
| 42 | #define SHARPSL_BATCHK_TIME (msecs_to_jiffies(15*1000)) /* 15 sec */ | ||
| 43 | #define SHARPSL_BATCHK_TIME_SUSPEND (60*10) /* 10 min */ | ||
| 44 | |||
| 45 | #define SHARPSL_WAIT_CO_TIME 15 /* 15 sec */ | ||
| 46 | #define SHARPSL_WAIT_DISCHARGE_ON 100 /* 100 msec */ | ||
| 47 | #define SHARPSL_CHECK_BATTERY_WAIT_TIME_TEMP 10 /* 10 msec */ | ||
| 48 | #define SHARPSL_CHECK_BATTERY_WAIT_TIME_VOLT 10 /* 10 msec */ | ||
| 49 | #define SHARPSL_CHECK_BATTERY_WAIT_TIME_ACIN 10 /* 10 msec */ | ||
| 50 | #define SHARPSL_CHARGE_WAIT_TIME 15 /* 15 msec */ | ||
| 51 | #define SHARPSL_CHARGE_CO_CHECK_TIME 5 /* 5 msec */ | ||
| 52 | #define SHARPSL_CHARGE_RETRY_CNT 1 /* eqv. 10 min */ | ||
| 53 | |||
| 54 | /* | ||
| 55 | * Prototypes | ||
| 56 | */ | ||
| 57 | #ifdef CONFIG_PM | ||
| 58 | static int sharpsl_off_charge_battery(void); | ||
| 59 | static int sharpsl_check_battery_voltage(void); | ||
| 60 | static int sharpsl_fatal_check(void); | ||
| 61 | #endif | ||
| 62 | static int sharpsl_check_battery_temp(void); | ||
| 63 | static int sharpsl_ac_check(void); | ||
| 64 | static int sharpsl_average_value(int ad); | ||
| 65 | static void sharpsl_average_clear(void); | ||
| 66 | static void sharpsl_charge_toggle(struct work_struct *private_); | ||
| 67 | static void sharpsl_battery_thread(struct work_struct *private_); | ||
| 68 | |||
| 69 | |||
| 70 | /* | ||
| 71 | * Variables | ||
| 72 | */ | ||
| 73 | struct sharpsl_pm_status sharpsl_pm; | ||
| 74 | DECLARE_DELAYED_WORK(toggle_charger, sharpsl_charge_toggle); | ||
| 75 | DECLARE_DELAYED_WORK(sharpsl_bat, sharpsl_battery_thread); | ||
| 76 | DEFINE_LED_TRIGGER(sharpsl_charge_led_trigger); | ||
| 77 | |||
| 78 | |||
| 79 | static int get_percentage(int voltage) | ||
| 80 | { | ||
| 81 | int i = sharpsl_pm.machinfo->bat_levels - 1; | ||
| 82 | int bl_status = sharpsl_pm.machinfo->backlight_get_status ? sharpsl_pm.machinfo->backlight_get_status() : 0; | ||
| 83 | struct battery_thresh *thresh; | ||
| 84 | |||
| 85 | if (sharpsl_pm.charge_mode == CHRG_ON) | ||
| 86 | thresh = bl_status ? sharpsl_pm.machinfo->bat_levels_acin_bl : sharpsl_pm.machinfo->bat_levels_acin; | ||
| 87 | else | ||
| 88 | thresh = bl_status ? sharpsl_pm.machinfo->bat_levels_noac_bl : sharpsl_pm.machinfo->bat_levels_noac; | ||
| 89 | |||
| 90 | while (i > 0 && (voltage > thresh[i].voltage)) | ||
| 91 | i--; | ||
| 92 | |||
| 93 | return thresh[i].percentage; | ||
| 94 | } | ||
| 95 | |||
| 96 | static int get_apm_status(int voltage) | ||
| 97 | { | ||
| 98 | int low_thresh, high_thresh; | ||
| 99 | |||
| 100 | if (sharpsl_pm.charge_mode == CHRG_ON) { | ||
| 101 | high_thresh = sharpsl_pm.machinfo->status_high_acin; | ||
| 102 | low_thresh = sharpsl_pm.machinfo->status_low_acin; | ||
| 103 | } else { | ||
| 104 | high_thresh = sharpsl_pm.machinfo->status_high_noac; | ||
| 105 | low_thresh = sharpsl_pm.machinfo->status_low_noac; | ||
| 106 | } | ||
| 107 | |||
| 108 | if (voltage >= high_thresh) | ||
| 109 | return APM_BATTERY_STATUS_HIGH; | ||
| 110 | if (voltage >= low_thresh) | ||
| 111 | return APM_BATTERY_STATUS_LOW; | ||
| 112 | return APM_BATTERY_STATUS_CRITICAL; | ||
| 113 | } | ||
| 114 | |||
| 115 | void sharpsl_battery_kick(void) | ||
| 116 | { | ||
| 117 | schedule_delayed_work(&sharpsl_bat, msecs_to_jiffies(125)); | ||
| 118 | } | ||
| 119 | EXPORT_SYMBOL(sharpsl_battery_kick); | ||
| 120 | |||
| 121 | |||
| 122 | static void sharpsl_battery_thread(struct work_struct *private_) | ||
| 123 | { | ||
| 124 | int voltage, percent, apm_status, i = 0; | ||
| 125 | |||
| 126 | if (!sharpsl_pm.machinfo) | ||
| 127 | return; | ||
| 128 | |||
| 129 | sharpsl_pm.battstat.ac_status = (sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN) ? APM_AC_ONLINE : APM_AC_OFFLINE); | ||
| 130 | |||
| 131 | /* Corgi cannot confirm when battery fully charged so periodically kick! */ | ||
| 132 | if (!sharpsl_pm.machinfo->batfull_irq && (sharpsl_pm.charge_mode == CHRG_ON) | ||
| 133 | && time_after(jiffies, sharpsl_pm.charge_start_time + SHARPSL_CHARGE_ON_TIME_INTERVAL)) | ||
| 134 | schedule_delayed_work(&toggle_charger, 0); | ||
| 135 | |||
| 136 | while(1) { | ||
| 137 | voltage = sharpsl_pm.machinfo->read_devdata(SHARPSL_BATT_VOLT); | ||
| 138 | |||
| 139 | if (voltage > 0) break; | ||
| 140 | if (i++ > 5) { | ||
| 141 | voltage = sharpsl_pm.machinfo->bat_levels_noac[0].voltage; | ||
| 142 | dev_warn(sharpsl_pm.dev, "Warning: Cannot read main battery!\n"); | ||
| 143 | break; | ||
| 144 | } | ||
| 145 | } | ||
| 146 | |||
| 147 | voltage = sharpsl_average_value(voltage); | ||
| 148 | apm_status = get_apm_status(voltage); | ||
| 149 | percent = get_percentage(voltage); | ||
| 150 | |||
| 151 | /* At low battery voltages, the voltage has a tendency to start | ||
| 152 | creeping back up so we try to avoid this here */ | ||
| 153 | if ((sharpsl_pm.battstat.ac_status == APM_AC_ONLINE) || (apm_status == APM_BATTERY_STATUS_HIGH) || percent <= sharpsl_pm.battstat.mainbat_percent) { | ||
| 154 | sharpsl_pm.battstat.mainbat_voltage = voltage; | ||
| 155 | sharpsl_pm.battstat.mainbat_status = apm_status; | ||
| 156 | sharpsl_pm.battstat.mainbat_percent = percent; | ||
| 157 | } | ||
| 158 | |||
| 159 | dev_dbg(sharpsl_pm.dev, "Battery: voltage: %d, status: %d, percentage: %d, time: %ld\n", voltage, | ||
| 160 | sharpsl_pm.battstat.mainbat_status, sharpsl_pm.battstat.mainbat_percent, jiffies); | ||
| 161 | |||
| 162 | #ifdef CONFIG_BACKLIGHT_CORGI | ||
| 163 | /* If battery is low. limit backlight intensity to save power. */ | ||
| 164 | if ((sharpsl_pm.battstat.ac_status != APM_AC_ONLINE) | ||
| 165 | && ((sharpsl_pm.battstat.mainbat_status == APM_BATTERY_STATUS_LOW) || | ||
| 166 | (sharpsl_pm.battstat.mainbat_status == APM_BATTERY_STATUS_CRITICAL))) { | ||
| 167 | if (!(sharpsl_pm.flags & SHARPSL_BL_LIMIT)) { | ||
| 168 | sharpsl_pm.machinfo->backlight_limit(1); | ||
| 169 | sharpsl_pm.flags |= SHARPSL_BL_LIMIT; | ||
| 170 | } | ||
| 171 | } else if (sharpsl_pm.flags & SHARPSL_BL_LIMIT) { | ||
| 172 | sharpsl_pm.machinfo->backlight_limit(0); | ||
| 173 | sharpsl_pm.flags &= ~SHARPSL_BL_LIMIT; | ||
| 174 | } | ||
| 175 | #endif | ||
| 176 | |||
| 177 | /* Suspend if critical battery level */ | ||
| 178 | if ((sharpsl_pm.battstat.ac_status != APM_AC_ONLINE) | ||
| 179 | && (sharpsl_pm.battstat.mainbat_status == APM_BATTERY_STATUS_CRITICAL) | ||
| 180 | && !(sharpsl_pm.flags & SHARPSL_APM_QUEUED)) { | ||
| 181 | sharpsl_pm.flags |= SHARPSL_APM_QUEUED; | ||
| 182 | dev_err(sharpsl_pm.dev, "Fatal Off\n"); | ||
| 183 | apm_queue_event(APM_CRITICAL_SUSPEND); | ||
| 184 | } | ||
| 185 | |||
| 186 | schedule_delayed_work(&sharpsl_bat, SHARPSL_BATCHK_TIME); | ||
| 187 | } | ||
| 188 | |||
| 189 | void sharpsl_pm_led(int val) | ||
| 190 | { | ||
| 191 | if (val == SHARPSL_LED_ERROR) { | ||
| 192 | dev_err(sharpsl_pm.dev, "Charging Error!\n"); | ||
| 193 | } else if (val == SHARPSL_LED_ON) { | ||
| 194 | dev_dbg(sharpsl_pm.dev, "Charge LED On\n"); | ||
| 195 | led_trigger_event(sharpsl_charge_led_trigger, LED_FULL); | ||
| 196 | } else { | ||
| 197 | dev_dbg(sharpsl_pm.dev, "Charge LED Off\n"); | ||
| 198 | led_trigger_event(sharpsl_charge_led_trigger, LED_OFF); | ||
| 199 | } | ||
| 200 | } | ||
| 201 | |||
| 202 | static void sharpsl_charge_on(void) | ||
| 203 | { | ||
| 204 | dev_dbg(sharpsl_pm.dev, "Turning Charger On\n"); | ||
| 205 | |||
| 206 | sharpsl_pm.full_count = 0; | ||
| 207 | sharpsl_pm.charge_mode = CHRG_ON; | ||
| 208 | schedule_delayed_work(&toggle_charger, msecs_to_jiffies(250)); | ||
| 209 | schedule_delayed_work(&sharpsl_bat, msecs_to_jiffies(500)); | ||
| 210 | } | ||
| 211 | |||
| 212 | static void sharpsl_charge_off(void) | ||
| 213 | { | ||
| 214 | dev_dbg(sharpsl_pm.dev, "Turning Charger Off\n"); | ||
| 215 | |||
| 216 | sharpsl_pm.machinfo->charge(0); | ||
| 217 | sharpsl_pm_led(SHARPSL_LED_OFF); | ||
| 218 | sharpsl_pm.charge_mode = CHRG_OFF; | ||
| 219 | |||
| 220 | schedule_delayed_work(&sharpsl_bat, 0); | ||
| 221 | } | ||
| 222 | |||
| 223 | static void sharpsl_charge_error(void) | ||
| 224 | { | ||
| 225 | sharpsl_pm_led(SHARPSL_LED_ERROR); | ||
| 226 | sharpsl_pm.machinfo->charge(0); | ||
| 227 | sharpsl_pm.charge_mode = CHRG_ERROR; | ||
| 228 | } | ||
| 229 | |||
| 230 | static void sharpsl_charge_toggle(struct work_struct *private_) | ||
| 231 | { | ||
| 232 | dev_dbg(sharpsl_pm.dev, "Toogling Charger at time: %lx\n", jiffies); | ||
| 233 | |||
| 234 | if (!sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN)) { | ||
| 235 | sharpsl_charge_off(); | ||
| 236 | return; | ||
| 237 | } else if ((sharpsl_check_battery_temp() < 0) || (sharpsl_ac_check() < 0)) { | ||
| 238 | sharpsl_charge_error(); | ||
| 239 | return; | ||
| 240 | } | ||
| 241 | |||
| 242 | sharpsl_pm_led(SHARPSL_LED_ON); | ||
| 243 | sharpsl_pm.machinfo->charge(0); | ||
| 244 | mdelay(SHARPSL_CHARGE_WAIT_TIME); | ||
| 245 | sharpsl_pm.machinfo->charge(1); | ||
| 246 | |||
| 247 | sharpsl_pm.charge_start_time = jiffies; | ||
| 248 | } | ||
| 249 | |||
| 250 | static void sharpsl_ac_timer(unsigned long data) | ||
| 251 | { | ||
| 252 | int acin = sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN); | ||
| 253 | |||
| 254 | dev_dbg(sharpsl_pm.dev, "AC Status: %d\n",acin); | ||
| 255 | |||
| 256 | sharpsl_average_clear(); | ||
| 257 | if (acin && (sharpsl_pm.charge_mode != CHRG_ON)) | ||
| 258 | sharpsl_charge_on(); | ||
| 259 | else if (sharpsl_pm.charge_mode == CHRG_ON) | ||
| 260 | sharpsl_charge_off(); | ||
| 261 | |||
| 262 | schedule_delayed_work(&sharpsl_bat, 0); | ||
| 263 | } | ||
| 264 | |||
| 265 | |||
| 266 | irqreturn_t sharpsl_ac_isr(int irq, void *dev_id) | ||
| 267 | { | ||
| 268 | /* Delay the event slightly to debounce */ | ||
| 269 | /* Must be a smaller delay than the chrg_full_isr below */ | ||
| 270 | mod_timer(&sharpsl_pm.ac_timer, jiffies + msecs_to_jiffies(250)); | ||
| 271 | |||
| 272 | return IRQ_HANDLED; | ||
| 273 | } | ||
| 274 | |||
| 275 | static void sharpsl_chrg_full_timer(unsigned long data) | ||
| 276 | { | ||
| 277 | dev_dbg(sharpsl_pm.dev, "Charge Full at time: %lx\n", jiffies); | ||
| 278 | |||
| 279 | sharpsl_pm.full_count++; | ||
| 280 | |||
| 281 | if (!sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN)) { | ||
| 282 | dev_dbg(sharpsl_pm.dev, "Charge Full: AC removed - stop charging!\n"); | ||
| 283 | if (sharpsl_pm.charge_mode == CHRG_ON) | ||
| 284 | sharpsl_charge_off(); | ||
| 285 | } else if (sharpsl_pm.full_count < 2) { | ||
| 286 | dev_dbg(sharpsl_pm.dev, "Charge Full: Count too low\n"); | ||
| 287 | schedule_delayed_work(&toggle_charger, 0); | ||
| 288 | } else if (time_after(jiffies, sharpsl_pm.charge_start_time + SHARPSL_CHARGE_FINISH_TIME)) { | ||
| 289 | dev_dbg(sharpsl_pm.dev, "Charge Full: Interrupt generated too slowly - retry.\n"); | ||
| 290 | schedule_delayed_work(&toggle_charger, 0); | ||
| 291 | } else { | ||
| 292 | sharpsl_charge_off(); | ||
| 293 | sharpsl_pm.charge_mode = CHRG_DONE; | ||
| 294 | dev_dbg(sharpsl_pm.dev, "Charge Full: Charging Finished\n"); | ||
| 295 | } | ||
| 296 | } | ||
| 297 | |||
| 298 | /* Charging Finished Interrupt (Not present on Corgi) */ | ||
| 299 | /* Can trigger at the same time as an AC status change so | ||
| 300 | delay until after that has been processed */ | ||
| 301 | irqreturn_t sharpsl_chrg_full_isr(int irq, void *dev_id) | ||
| 302 | { | ||
| 303 | if (sharpsl_pm.flags & SHARPSL_SUSPENDED) | ||
| 304 | return IRQ_HANDLED; | ||
| 305 | |||
| 306 | /* delay until after any ac interrupt */ | ||
| 307 | mod_timer(&sharpsl_pm.chrg_full_timer, jiffies + msecs_to_jiffies(500)); | ||
| 308 | |||
| 309 | return IRQ_HANDLED; | ||
| 310 | } | ||
| 311 | |||
| 312 | irqreturn_t sharpsl_fatal_isr(int irq, void *dev_id) | ||
| 313 | { | ||
| 314 | int is_fatal = 0; | ||
| 315 | |||
| 316 | if (!sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_LOCK)) { | ||
| 317 | dev_err(sharpsl_pm.dev, "Battery now Unlocked! Suspending.\n"); | ||
| 318 | is_fatal = 1; | ||
| 319 | } | ||
| 320 | |||
| 321 | if (!sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_FATAL)) { | ||
| 322 | dev_err(sharpsl_pm.dev, "Fatal Batt Error! Suspending.\n"); | ||
| 323 | is_fatal = 1; | ||
| 324 | } | ||
| 325 | |||
| 326 | if (!(sharpsl_pm.flags & SHARPSL_APM_QUEUED) && is_fatal) { | ||
| 327 | sharpsl_pm.flags |= SHARPSL_APM_QUEUED; | ||
| 328 | apm_queue_event(APM_CRITICAL_SUSPEND); | ||
| 329 | } | ||
| 330 | |||
| 331 | return IRQ_HANDLED; | ||
| 332 | } | ||
| 333 | |||
| 334 | /* | ||
| 335 | * Maintain an average of the last 10 readings | ||
| 336 | */ | ||
| 337 | #define SHARPSL_CNV_VALUE_NUM 10 | ||
| 338 | static int sharpsl_ad_index; | ||
| 339 | |||
| 340 | static void sharpsl_average_clear(void) | ||
| 341 | { | ||
| 342 | sharpsl_ad_index = 0; | ||
| 343 | } | ||
| 344 | |||
| 345 | static int sharpsl_average_value(int ad) | ||
| 346 | { | ||
| 347 | int i, ad_val = 0; | ||
| 348 | static int sharpsl_ad[SHARPSL_CNV_VALUE_NUM+1]; | ||
| 349 | |||
| 350 | if (sharpsl_pm.battstat.mainbat_status != APM_BATTERY_STATUS_HIGH) { | ||
| 351 | sharpsl_ad_index = 0; | ||
| 352 | return ad; | ||
| 353 | } | ||
| 354 | |||
| 355 | sharpsl_ad[sharpsl_ad_index] = ad; | ||
| 356 | sharpsl_ad_index++; | ||
| 357 | if (sharpsl_ad_index >= SHARPSL_CNV_VALUE_NUM) { | ||
| 358 | for (i=0; i < (SHARPSL_CNV_VALUE_NUM-1); i++) | ||
| 359 | sharpsl_ad[i] = sharpsl_ad[i+1]; | ||
| 360 | sharpsl_ad_index = SHARPSL_CNV_VALUE_NUM - 1; | ||
| 361 | } | ||
| 362 | for (i=0; i < sharpsl_ad_index; i++) | ||
| 363 | ad_val += sharpsl_ad[i]; | ||
| 364 | |||
| 365 | return (ad_val / sharpsl_ad_index); | ||
| 366 | } | ||
| 367 | |||
| 368 | /* | ||
| 369 | * Take an array of 5 integers, remove the maximum and minimum values | ||
| 370 | * and return the average. | ||
| 371 | */ | ||
| 372 | static int get_select_val(int *val) | ||
| 373 | { | ||
| 374 | int i, j, k, temp, sum = 0; | ||
| 375 | |||
| 376 | /* Find MAX val */ | ||
| 377 | temp = val[0]; | ||
| 378 | j=0; | ||
| 379 | for (i=1; i<5; i++) { | ||
| 380 | if (temp < val[i]) { | ||
| 381 | temp = val[i]; | ||
| 382 | j = i; | ||
| 383 | } | ||
| 384 | } | ||
| 385 | |||
| 386 | /* Find MIN val */ | ||
| 387 | temp = val[4]; | ||
| 388 | k=4; | ||
| 389 | for (i=3; i>=0; i--) { | ||
| 390 | if (temp > val[i]) { | ||
| 391 | temp = val[i]; | ||
| 392 | k = i; | ||
| 393 | } | ||
| 394 | } | ||
| 395 | |||
| 396 | for (i=0; i<5; i++) | ||
| 397 | if (i != j && i != k ) | ||
| 398 | sum += val[i]; | ||
| 399 | |||
| 400 | dev_dbg(sharpsl_pm.dev, "Average: %d from values: %d, %d, %d, %d, %d\n", sum/3, val[0], val[1], val[2], val[3], val[4]); | ||
| 401 | |||
| 402 | return (sum/3); | ||
| 403 | } | ||
| 404 | |||
| 405 | static int sharpsl_check_battery_temp(void) | ||
| 406 | { | ||
| 407 | int val, i, buff[5]; | ||
| 408 | |||
| 409 | /* Check battery temperature */ | ||
| 410 | for (i=0; i<5; i++) { | ||
| 411 | mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_TEMP); | ||
| 412 | sharpsl_pm.machinfo->measure_temp(1); | ||
| 413 | mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_TEMP); | ||
| 414 | buff[i] = sharpsl_pm.machinfo->read_devdata(SHARPSL_BATT_TEMP); | ||
| 415 | sharpsl_pm.machinfo->measure_temp(0); | ||
| 416 | } | ||
| 417 | |||
| 418 | val = get_select_val(buff); | ||
| 419 | |||
| 420 | dev_dbg(sharpsl_pm.dev, "Temperature: %d\n", val); | ||
| 421 | if (val > sharpsl_pm.machinfo->charge_on_temp) { | ||
| 422 | printk(KERN_WARNING "Not charging: temperature out of limits.\n"); | ||
| 423 | return -1; | ||
| 424 | } | ||
| 425 | |||
| 426 | return 0; | ||
| 427 | } | ||
| 428 | |||
| 429 | #ifdef CONFIG_PM | ||
| 430 | static int sharpsl_check_battery_voltage(void) | ||
| 431 | { | ||
| 432 | int val, i, buff[5]; | ||
| 433 | |||
| 434 | /* disable charge, enable discharge */ | ||
| 435 | sharpsl_pm.machinfo->charge(0); | ||
| 436 | sharpsl_pm.machinfo->discharge(1); | ||
| 437 | mdelay(SHARPSL_WAIT_DISCHARGE_ON); | ||
| 438 | |||
| 439 | if (sharpsl_pm.machinfo->discharge1) | ||
| 440 | sharpsl_pm.machinfo->discharge1(1); | ||
| 441 | |||
| 442 | /* Check battery voltage */ | ||
| 443 | for (i=0; i<5; i++) { | ||
| 444 | buff[i] = sharpsl_pm.machinfo->read_devdata(SHARPSL_BATT_VOLT); | ||
| 445 | mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_VOLT); | ||
| 446 | } | ||
| 447 | |||
| 448 | if (sharpsl_pm.machinfo->discharge1) | ||
| 449 | sharpsl_pm.machinfo->discharge1(0); | ||
| 450 | |||
| 451 | sharpsl_pm.machinfo->discharge(0); | ||
| 452 | |||
| 453 | val = get_select_val(buff); | ||
| 454 | dev_dbg(sharpsl_pm.dev, "Battery Voltage: %d\n", val); | ||
| 455 | |||
| 456 | if (val < sharpsl_pm.machinfo->charge_on_volt) | ||
| 457 | return -1; | ||
| 458 | |||
| 459 | return 0; | ||
| 460 | } | ||
| 461 | #endif | ||
| 462 | |||
| 463 | static int sharpsl_ac_check(void) | ||
| 464 | { | ||
| 465 | int temp, i, buff[5]; | ||
| 466 | |||
| 467 | for (i=0; i<5; i++) { | ||
| 468 | buff[i] = sharpsl_pm.machinfo->read_devdata(SHARPSL_ACIN_VOLT); | ||
| 469 | mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_ACIN); | ||
| 470 | } | ||
| 471 | |||
| 472 | temp = get_select_val(buff); | ||
| 473 | dev_dbg(sharpsl_pm.dev, "AC Voltage: %d\n",temp); | ||
| 474 | |||
| 475 | if ((temp > sharpsl_pm.machinfo->charge_acin_high) || (temp < sharpsl_pm.machinfo->charge_acin_low)) { | ||
| 476 | dev_err(sharpsl_pm.dev, "Error: AC check failed.\n"); | ||
| 477 | return -1; | ||
| 478 | } | ||
| 479 | |||
| 480 | return 0; | ||
| 481 | } | ||
| 482 | |||
| 483 | #ifdef CONFIG_PM | ||
| 484 | static int sharpsl_pm_suspend(struct platform_device *pdev, pm_message_t state) | ||
| 485 | { | ||
| 486 | sharpsl_pm.flags |= SHARPSL_SUSPENDED; | ||
| 487 | flush_scheduled_work(); | ||
| 488 | |||
| 489 | if (sharpsl_pm.charge_mode == CHRG_ON) | ||
| 490 | sharpsl_pm.flags |= SHARPSL_DO_OFFLINE_CHRG; | ||
| 491 | else | ||
| 492 | sharpsl_pm.flags &= ~SHARPSL_DO_OFFLINE_CHRG; | ||
| 493 | |||
| 494 | return 0; | ||
| 495 | } | ||
| 496 | |||
| 497 | static int sharpsl_pm_resume(struct platform_device *pdev) | ||
| 498 | { | ||
| 499 | /* Clear the reset source indicators as they break the bootloader upon reboot */ | ||
| 500 | RCSR = 0x0f; | ||
| 501 | sharpsl_average_clear(); | ||
| 502 | sharpsl_pm.flags &= ~SHARPSL_APM_QUEUED; | ||
| 503 | sharpsl_pm.flags &= ~SHARPSL_SUSPENDED; | ||
| 504 | |||
| 505 | return 0; | ||
| 506 | } | ||
| 507 | |||
| 508 | static void corgi_goto_sleep(unsigned long alarm_time, unsigned int alarm_enable, suspend_state_t state) | ||
| 509 | { | ||
| 510 | dev_dbg(sharpsl_pm.dev, "Time is: %08x\n",RCNR); | ||
| 511 | |||
| 512 | dev_dbg(sharpsl_pm.dev, "Offline Charge Activate = %d\n",sharpsl_pm.flags & SHARPSL_DO_OFFLINE_CHRG); | ||
| 513 | /* not charging and AC-IN! */ | ||
| 514 | |||
| 515 | if ((sharpsl_pm.flags & SHARPSL_DO_OFFLINE_CHRG) && (sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN))) { | ||
| 516 | dev_dbg(sharpsl_pm.dev, "Activating Offline Charger...\n"); | ||
| 517 | sharpsl_pm.charge_mode = CHRG_OFF; | ||
| 518 | sharpsl_pm.flags &= ~SHARPSL_DO_OFFLINE_CHRG; | ||
| 519 | sharpsl_off_charge_battery(); | ||
| 520 | } | ||
| 521 | |||
| 522 | sharpsl_pm.machinfo->presuspend(); | ||
| 523 | |||
| 524 | PEDR = 0xffffffff; /* clear it */ | ||
| 525 | |||
| 526 | sharpsl_pm.flags &= ~SHARPSL_ALARM_ACTIVE; | ||
| 527 | if ((sharpsl_pm.charge_mode == CHRG_ON) && ((alarm_enable && ((alarm_time - RCNR) > (SHARPSL_BATCHK_TIME_SUSPEND + 30))) || !alarm_enable)) { | ||
| 528 | RTSR &= RTSR_ALE; | ||
| 529 | RTAR = RCNR + SHARPSL_BATCHK_TIME_SUSPEND; | ||
| 530 | dev_dbg(sharpsl_pm.dev, "Charging alarm at: %08x\n",RTAR); | ||
| 531 | sharpsl_pm.flags |= SHARPSL_ALARM_ACTIVE; | ||
| 532 | } else if (alarm_enable) { | ||
| 533 | RTSR &= RTSR_ALE; | ||
| 534 | RTAR = alarm_time; | ||
| 535 | dev_dbg(sharpsl_pm.dev, "User alarm at: %08x\n",RTAR); | ||
| 536 | } else { | ||
| 537 | dev_dbg(sharpsl_pm.dev, "No alarms set.\n"); | ||
| 538 | } | ||
| 539 | |||
| 540 | pxa_pm_enter(state); | ||
| 541 | |||
| 542 | sharpsl_pm.machinfo->postsuspend(); | ||
| 543 | |||
| 544 | dev_dbg(sharpsl_pm.dev, "Corgi woken up from suspend: %08x\n",PEDR); | ||
| 545 | } | ||
| 546 | |||
| 547 | static int corgi_enter_suspend(unsigned long alarm_time, unsigned int alarm_enable, suspend_state_t state) | ||
| 548 | { | ||
| 549 | if (!sharpsl_pm.machinfo->should_wakeup(!(sharpsl_pm.flags & SHARPSL_ALARM_ACTIVE) && alarm_enable) ) | ||
| 550 | { | ||
| 551 | if (!(sharpsl_pm.flags & SHARPSL_ALARM_ACTIVE)) { | ||
| 552 | dev_dbg(sharpsl_pm.dev, "No user triggered wakeup events and not charging. Strange. Suspend.\n"); | ||
| 553 | corgi_goto_sleep(alarm_time, alarm_enable, state); | ||
| 554 | return 1; | ||
| 555 | } | ||
| 556 | if(sharpsl_off_charge_battery()) { | ||
| 557 | dev_dbg(sharpsl_pm.dev, "Charging. Suspend...\n"); | ||
| 558 | corgi_goto_sleep(alarm_time, alarm_enable, state); | ||
| 559 | return 1; | ||
| 560 | } | ||
| 561 | dev_dbg(sharpsl_pm.dev, "User triggered wakeup in offline charger.\n"); | ||
| 562 | } | ||
| 563 | |||
| 564 | if ((!sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_LOCK)) || (sharpsl_fatal_check() < 0) ) | ||
| 565 | { | ||
| 566 | dev_err(sharpsl_pm.dev, "Fatal condition. Suspend.\n"); | ||
| 567 | corgi_goto_sleep(alarm_time, alarm_enable, state); | ||
| 568 | return 1; | ||
| 569 | } | ||
| 570 | |||
| 571 | return 0; | ||
| 572 | } | ||
| 573 | |||
| 574 | static int corgi_pxa_pm_enter(suspend_state_t state) | ||
| 575 | { | ||
| 576 | unsigned long alarm_time = RTAR; | ||
| 577 | unsigned int alarm_status = ((RTSR & RTSR_ALE) != 0); | ||
| 578 | |||
| 579 | dev_dbg(sharpsl_pm.dev, "SharpSL suspending for first time.\n"); | ||
| 580 | |||
| 581 | corgi_goto_sleep(alarm_time, alarm_status, state); | ||
| 582 | |||
| 583 | while (corgi_enter_suspend(alarm_time,alarm_status,state)) | ||
| 584 | {} | ||
| 585 | |||
| 586 | if (sharpsl_pm.machinfo->earlyresume) | ||
| 587 | sharpsl_pm.machinfo->earlyresume(); | ||
| 588 | |||
| 589 | dev_dbg(sharpsl_pm.dev, "SharpSL resuming...\n"); | ||
| 590 | |||
| 591 | return 0; | ||
| 592 | } | ||
| 593 | |||
| 594 | /* | ||
| 595 | * Check for fatal battery errors | ||
| 596 | * Fatal returns -1 | ||
| 597 | */ | ||
| 598 | static int sharpsl_fatal_check(void) | ||
| 599 | { | ||
| 600 | int buff[5], temp, i, acin; | ||
| 601 | |||
| 602 | dev_dbg(sharpsl_pm.dev, "sharpsl_fatal_check entered\n"); | ||
| 603 | |||
| 604 | /* Check AC-Adapter */ | ||
| 605 | acin = sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_ACIN); | ||
| 606 | |||
| 607 | if (acin && (sharpsl_pm.charge_mode == CHRG_ON)) { | ||
| 608 | sharpsl_pm.machinfo->charge(0); | ||
| 609 | udelay(100); | ||
| 610 | sharpsl_pm.machinfo->discharge(1); /* enable discharge */ | ||
| 611 | mdelay(SHARPSL_WAIT_DISCHARGE_ON); | ||
| 612 | } | ||
| 613 | |||
| 614 | if (sharpsl_pm.machinfo->discharge1) | ||
| 615 | sharpsl_pm.machinfo->discharge1(1); | ||
| 616 | |||
| 617 | /* Check battery : check inserting battery ? */ | ||
| 618 | for (i=0; i<5; i++) { | ||
| 619 | buff[i] = sharpsl_pm.machinfo->read_devdata(SHARPSL_BATT_VOLT); | ||
| 620 | mdelay(SHARPSL_CHECK_BATTERY_WAIT_TIME_VOLT); | ||
| 621 | } | ||
| 622 | |||
| 623 | if (sharpsl_pm.machinfo->discharge1) | ||
| 624 | sharpsl_pm.machinfo->discharge1(0); | ||
| 625 | |||
| 626 | if (acin && (sharpsl_pm.charge_mode == CHRG_ON)) { | ||
| 627 | udelay(100); | ||
| 628 | sharpsl_pm.machinfo->charge(1); | ||
| 629 | sharpsl_pm.machinfo->discharge(0); | ||
| 630 | } | ||
| 631 | |||
| 632 | temp = get_select_val(buff); | ||
| 633 | dev_dbg(sharpsl_pm.dev, "sharpsl_fatal_check: acin: %d, discharge voltage: %d, no discharge: %ld\n", acin, temp, sharpsl_pm.machinfo->read_devdata(SHARPSL_BATT_VOLT)); | ||
| 634 | |||
| 635 | if ((acin && (temp < sharpsl_pm.machinfo->fatal_acin_volt)) || | ||
| 636 | (!acin && (temp < sharpsl_pm.machinfo->fatal_noacin_volt))) | ||
| 637 | return -1; | ||
| 638 | return 0; | ||
| 639 | } | ||
| 640 | |||
| 641 | static int sharpsl_off_charge_error(void) | ||
| 642 | { | ||
| 643 | dev_err(sharpsl_pm.dev, "Offline Charger: Error occurred.\n"); | ||
| 644 | sharpsl_pm.machinfo->charge(0); | ||
| 645 | sharpsl_pm_led(SHARPSL_LED_ERROR); | ||
| 646 | sharpsl_pm.charge_mode = CHRG_ERROR; | ||
| 647 | return 1; | ||
| 648 | } | ||
| 649 | |||
| 650 | /* | ||
| 651 | * Charging Control while suspended | ||
| 652 | * Return 1 - go straight to sleep | ||
| 653 | * Return 0 - sleep or wakeup depending on other factors | ||
| 654 | */ | ||
| 655 | static int sharpsl_off_charge_battery(void) | ||
| 656 | { | ||
| 657 | int time; | ||
| 658 | |||
| 659 | dev_dbg(sharpsl_pm.dev, "Charge Mode: %d\n", sharpsl_pm.charge_mode); | ||
| 660 | |||
| 661 | if (sharpsl_pm.charge_mode == CHRG_OFF) { | ||
| 662 | dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 1\n"); | ||
| 663 | |||
| 664 | /* AC Check */ | ||
| 665 | if ((sharpsl_ac_check() < 0) || (sharpsl_check_battery_temp() < 0)) | ||
| 666 | return sharpsl_off_charge_error(); | ||
| 667 | |||
| 668 | /* Start Charging */ | ||
| 669 | sharpsl_pm_led(SHARPSL_LED_ON); | ||
| 670 | sharpsl_pm.machinfo->charge(0); | ||
| 671 | mdelay(SHARPSL_CHARGE_WAIT_TIME); | ||
| 672 | sharpsl_pm.machinfo->charge(1); | ||
| 673 | |||
| 674 | sharpsl_pm.charge_mode = CHRG_ON; | ||
| 675 | sharpsl_pm.full_count = 0; | ||
| 676 | |||
| 677 | return 1; | ||
| 678 | } else if (sharpsl_pm.charge_mode != CHRG_ON) { | ||
| 679 | return 1; | ||
| 680 | } | ||
| 681 | |||
| 682 | if (sharpsl_pm.full_count == 0) { | ||
| 683 | int time; | ||
| 684 | |||
| 685 | dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 2\n"); | ||
| 686 | |||
| 687 | if ((sharpsl_check_battery_temp() < 0) || (sharpsl_check_battery_voltage() < 0)) | ||
| 688 | return sharpsl_off_charge_error(); | ||
| 689 | |||
| 690 | sharpsl_pm.machinfo->charge(0); | ||
| 691 | mdelay(SHARPSL_CHARGE_WAIT_TIME); | ||
| 692 | sharpsl_pm.machinfo->charge(1); | ||
| 693 | sharpsl_pm.charge_mode = CHRG_ON; | ||
| 694 | |||
| 695 | mdelay(SHARPSL_CHARGE_CO_CHECK_TIME); | ||
| 696 | |||
| 697 | time = RCNR; | ||
| 698 | while(1) { | ||
| 699 | /* Check if any wakeup event had occurred */ | ||
| 700 | if (sharpsl_pm.machinfo->charger_wakeup() != 0) | ||
| 701 | return 0; | ||
| 702 | /* Check for timeout */ | ||
| 703 | if ((RCNR - time) > SHARPSL_WAIT_CO_TIME) | ||
| 704 | return 1; | ||
| 705 | if (sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_CHRGFULL)) { | ||
| 706 | dev_dbg(sharpsl_pm.dev, "Offline Charger: Charge full occurred. Retrying to check\n"); | ||
| 707 | sharpsl_pm.full_count++; | ||
| 708 | sharpsl_pm.machinfo->charge(0); | ||
| 709 | mdelay(SHARPSL_CHARGE_WAIT_TIME); | ||
| 710 | sharpsl_pm.machinfo->charge(1); | ||
| 711 | return 1; | ||
| 712 | } | ||
| 713 | } | ||
| 714 | } | ||
| 715 | |||
| 716 | dev_dbg(sharpsl_pm.dev, "Offline Charger: Step 3\n"); | ||
| 717 | |||
| 718 | mdelay(SHARPSL_CHARGE_CO_CHECK_TIME); | ||
| 719 | |||
| 720 | time = RCNR; | ||
| 721 | while(1) { | ||
| 722 | /* Check if any wakeup event had occurred */ | ||
| 723 | if (sharpsl_pm.machinfo->charger_wakeup() != 0) | ||
| 724 | return 0; | ||
| 725 | /* Check for timeout */ | ||
| 726 | if ((RCNR-time) > SHARPSL_WAIT_CO_TIME) { | ||
| 727 | if (sharpsl_pm.full_count > SHARPSL_CHARGE_RETRY_CNT) { | ||
| 728 | dev_dbg(sharpsl_pm.dev, "Offline Charger: Not charged sufficiently. Retrying.\n"); | ||
| 729 | sharpsl_pm.full_count = 0; | ||
| 730 | } | ||
| 731 | sharpsl_pm.full_count++; | ||
| 732 | return 1; | ||
| 733 | } | ||
| 734 | if (sharpsl_pm.machinfo->read_devdata(SHARPSL_STATUS_CHRGFULL)) { | ||
| 735 | dev_dbg(sharpsl_pm.dev, "Offline Charger: Charging complete.\n"); | ||
| 736 | sharpsl_pm_led(SHARPSL_LED_OFF); | ||
| 737 | sharpsl_pm.machinfo->charge(0); | ||
| 738 | sharpsl_pm.charge_mode = CHRG_DONE; | ||
| 739 | return 1; | ||
| 740 | } | ||
| 741 | } | ||
| 742 | } | ||
| 743 | #else | ||
| 744 | #define sharpsl_pm_suspend NULL | ||
| 745 | #define sharpsl_pm_resume NULL | ||
| 746 | #endif | ||
| 747 | |||
| 748 | static ssize_t battery_percentage_show(struct device *dev, struct device_attribute *attr, char *buf) | ||
| 749 | { | ||
| 750 | return sprintf(buf, "%d\n",sharpsl_pm.battstat.mainbat_percent); | ||
| 751 | } | ||
| 752 | |||
| 753 | static ssize_t battery_voltage_show(struct device *dev, struct device_attribute *attr, char *buf) | ||
| 754 | { | ||
| 755 | return sprintf(buf, "%d\n",sharpsl_pm.battstat.mainbat_voltage); | ||
| 756 | } | ||
| 757 | |||
| 758 | static DEVICE_ATTR(battery_percentage, 0444, battery_percentage_show, NULL); | ||
| 759 | static DEVICE_ATTR(battery_voltage, 0444, battery_voltage_show, NULL); | ||
| 760 | |||
| 761 | extern void (*apm_get_power_status)(struct apm_power_info *); | ||
| 762 | |||
| 763 | static void sharpsl_apm_get_power_status(struct apm_power_info *info) | ||
| 764 | { | ||
| 765 | info->ac_line_status = sharpsl_pm.battstat.ac_status; | ||
| 766 | |||
| 767 | if (sharpsl_pm.charge_mode == CHRG_ON) | ||
| 768 | info->battery_status = APM_BATTERY_STATUS_CHARGING; | ||
| 769 | else | ||
| 770 | info->battery_status = sharpsl_pm.battstat.mainbat_status; | ||
| 771 | |||
| 772 | info->battery_flag = (1 << info->battery_status); | ||
| 773 | info->battery_life = sharpsl_pm.battstat.mainbat_percent; | ||
| 774 | } | ||
| 775 | |||
| 776 | #ifdef CONFIG_PM | ||
| 777 | static struct platform_suspend_ops sharpsl_pm_ops = { | ||
| 778 | .enter = corgi_pxa_pm_enter, | ||
| 779 | .valid = suspend_valid_only_mem, | ||
| 780 | }; | ||
| 781 | #endif | ||
| 782 | |||
| 783 | static int __init sharpsl_pm_probe(struct platform_device *pdev) | ||
| 784 | { | ||
| 785 | int ret; | ||
| 786 | |||
| 787 | if (!pdev->dev.platform_data) | ||
| 788 | return -EINVAL; | ||
| 789 | |||
| 790 | sharpsl_pm.dev = &pdev->dev; | ||
| 791 | sharpsl_pm.machinfo = pdev->dev.platform_data; | ||
| 792 | sharpsl_pm.charge_mode = CHRG_OFF; | ||
| 793 | sharpsl_pm.flags = 0; | ||
| 794 | |||
| 795 | init_timer(&sharpsl_pm.ac_timer); | ||
| 796 | sharpsl_pm.ac_timer.function = sharpsl_ac_timer; | ||
| 797 | |||
| 798 | init_timer(&sharpsl_pm.chrg_full_timer); | ||
| 799 | sharpsl_pm.chrg_full_timer.function = sharpsl_chrg_full_timer; | ||
| 800 | |||
| 801 | led_trigger_register_simple("sharpsl-charge", &sharpsl_charge_led_trigger); | ||
| 802 | |||
| 803 | sharpsl_pm.machinfo->init(); | ||
| 804 | |||
| 805 | ret = device_create_file(&pdev->dev, &dev_attr_battery_percentage); | ||
| 806 | ret |= device_create_file(&pdev->dev, &dev_attr_battery_voltage); | ||
| 807 | if (ret != 0) | ||
| 808 | dev_warn(&pdev->dev, "Failed to register attributes (%d)\n", ret); | ||
| 809 | |||
| 810 | apm_get_power_status = sharpsl_apm_get_power_status; | ||
| 811 | |||
| 812 | #ifdef CONFIG_PM | ||
| 813 | suspend_set_ops(&sharpsl_pm_ops); | ||
| 814 | #endif | ||
| 815 | |||
| 816 | mod_timer(&sharpsl_pm.ac_timer, jiffies + msecs_to_jiffies(250)); | ||
| 817 | |||
| 818 | return 0; | ||
| 819 | } | ||
| 820 | |||
| 821 | static int sharpsl_pm_remove(struct platform_device *pdev) | ||
| 822 | { | ||
| 823 | suspend_set_ops(NULL); | ||
| 824 | |||
| 825 | device_remove_file(&pdev->dev, &dev_attr_battery_percentage); | ||
| 826 | device_remove_file(&pdev->dev, &dev_attr_battery_voltage); | ||
| 827 | |||
| 828 | led_trigger_unregister_simple(sharpsl_charge_led_trigger); | ||
| 829 | |||
| 830 | sharpsl_pm.machinfo->exit(); | ||
| 831 | |||
| 832 | del_timer_sync(&sharpsl_pm.chrg_full_timer); | ||
| 833 | del_timer_sync(&sharpsl_pm.ac_timer); | ||
| 834 | |||
| 835 | return 0; | ||
| 836 | } | ||
| 837 | |||
| 838 | static struct platform_driver sharpsl_pm_driver = { | ||
| 839 | .probe = sharpsl_pm_probe, | ||
| 840 | .remove = sharpsl_pm_remove, | ||
| 841 | .suspend = sharpsl_pm_suspend, | ||
| 842 | .resume = sharpsl_pm_resume, | ||
| 843 | .driver = { | ||
| 844 | .name = "sharpsl-pm", | ||
| 845 | }, | ||
| 846 | }; | ||
| 847 | |||
| 848 | static int __devinit sharpsl_pm_init(void) | ||
| 849 | { | ||
| 850 | return platform_driver_register(&sharpsl_pm_driver); | ||
| 851 | } | ||
| 852 | |||
| 853 | static void sharpsl_pm_exit(void) | ||
| 854 | { | ||
| 855 | platform_driver_unregister(&sharpsl_pm_driver); | ||
| 856 | } | ||
| 857 | |||
| 858 | late_initcall(sharpsl_pm_init); | ||
| 859 | module_exit(sharpsl_pm_exit); | ||
diff --git a/arch/arm/common/vic.c b/arch/arm/common/vic.c index b2a781d9ce05..6ed89836e908 100644 --- a/arch/arm/common/vic.c +++ b/arch/arm/common/vic.c | |||
| @@ -21,6 +21,7 @@ | |||
| 21 | #include <linux/init.h> | 21 | #include <linux/init.h> |
| 22 | #include <linux/list.h> | 22 | #include <linux/list.h> |
| 23 | #include <linux/io.h> | 23 | #include <linux/io.h> |
| 24 | #include <linux/sysdev.h> | ||
| 24 | 25 | ||
| 25 | #include <asm/mach/irq.h> | 26 | #include <asm/mach/irq.h> |
| 26 | #include <asm/hardware/vic.h> | 27 | #include <asm/hardware/vic.h> |
| @@ -39,11 +40,223 @@ static void vic_unmask_irq(unsigned int irq) | |||
| 39 | writel(1 << irq, base + VIC_INT_ENABLE); | 40 | writel(1 << irq, base + VIC_INT_ENABLE); |
| 40 | } | 41 | } |
| 41 | 42 | ||
| 43 | /** | ||
| 44 | * vic_init2 - common initialisation code | ||
| 45 | * @base: Base of the VIC. | ||
| 46 | * | ||
| 47 | * Common initialisation code for registeration | ||
| 48 | * and resume. | ||
| 49 | */ | ||
| 50 | static void vic_init2(void __iomem *base) | ||
| 51 | { | ||
| 52 | int i; | ||
| 53 | |||
| 54 | for (i = 0; i < 16; i++) { | ||
| 55 | void __iomem *reg = base + VIC_VECT_CNTL0 + (i * 4); | ||
| 56 | writel(VIC_VECT_CNTL_ENABLE | i, reg); | ||
| 57 | } | ||
| 58 | |||
| 59 | writel(32, base + VIC_PL190_DEF_VECT_ADDR); | ||
| 60 | } | ||
| 61 | |||
| 62 | #if defined(CONFIG_PM) | ||
| 63 | /** | ||
| 64 | * struct vic_device - VIC PM device | ||
| 65 | * @sysdev: The system device which is registered. | ||
| 66 | * @irq: The IRQ number for the base of the VIC. | ||
| 67 | * @base: The register base for the VIC. | ||
| 68 | * @resume_sources: A bitmask of interrupts for resume. | ||
| 69 | * @resume_irqs: The IRQs enabled for resume. | ||
| 70 | * @int_select: Save for VIC_INT_SELECT. | ||
| 71 | * @int_enable: Save for VIC_INT_ENABLE. | ||
| 72 | * @soft_int: Save for VIC_INT_SOFT. | ||
| 73 | * @protect: Save for VIC_PROTECT. | ||
| 74 | */ | ||
| 75 | struct vic_device { | ||
| 76 | struct sys_device sysdev; | ||
| 77 | |||
| 78 | void __iomem *base; | ||
| 79 | int irq; | ||
| 80 | u32 resume_sources; | ||
| 81 | u32 resume_irqs; | ||
| 82 | u32 int_select; | ||
| 83 | u32 int_enable; | ||
| 84 | u32 soft_int; | ||
| 85 | u32 protect; | ||
| 86 | }; | ||
| 87 | |||
| 88 | /* we cannot allocate memory when VICs are initially registered */ | ||
| 89 | static struct vic_device vic_devices[CONFIG_ARM_VIC_NR]; | ||
| 90 | |||
| 91 | static inline struct vic_device *to_vic(struct sys_device *sys) | ||
| 92 | { | ||
| 93 | return container_of(sys, struct vic_device, sysdev); | ||
| 94 | } | ||
| 95 | |||
| 96 | static int vic_id; | ||
| 97 | |||
| 98 | static int vic_class_resume(struct sys_device *dev) | ||
| 99 | { | ||
| 100 | struct vic_device *vic = to_vic(dev); | ||
| 101 | void __iomem *base = vic->base; | ||
| 102 | |||
| 103 | printk(KERN_DEBUG "%s: resuming vic at %p\n", __func__, base); | ||
| 104 | |||
| 105 | /* re-initialise static settings */ | ||
| 106 | vic_init2(base); | ||
| 107 | |||
| 108 | writel(vic->int_select, base + VIC_INT_SELECT); | ||
| 109 | writel(vic->protect, base + VIC_PROTECT); | ||
| 110 | |||
| 111 | /* set the enabled ints and then clear the non-enabled */ | ||
| 112 | writel(vic->int_enable, base + VIC_INT_ENABLE); | ||
| 113 | writel(~vic->int_enable, base + VIC_INT_ENABLE_CLEAR); | ||
| 114 | |||
| 115 | /* and the same for the soft-int register */ | ||
| 116 | |||
| 117 | writel(vic->soft_int, base + VIC_INT_SOFT); | ||
| 118 | writel(~vic->soft_int, base + VIC_INT_SOFT_CLEAR); | ||
| 119 | |||
| 120 | return 0; | ||
| 121 | } | ||
| 122 | |||
| 123 | static int vic_class_suspend(struct sys_device *dev, pm_message_t state) | ||
| 124 | { | ||
| 125 | struct vic_device *vic = to_vic(dev); | ||
| 126 | void __iomem *base = vic->base; | ||
| 127 | |||
| 128 | printk(KERN_DEBUG "%s: suspending vic at %p\n", __func__, base); | ||
| 129 | |||
| 130 | vic->int_select = readl(base + VIC_INT_SELECT); | ||
| 131 | vic->int_enable = readl(base + VIC_INT_ENABLE); | ||
| 132 | vic->soft_int = readl(base + VIC_INT_SOFT); | ||
| 133 | vic->protect = readl(base + VIC_PROTECT); | ||
| 134 | |||
| 135 | /* set the interrupts (if any) that are used for | ||
| 136 | * resuming the system */ | ||
| 137 | |||
| 138 | writel(vic->resume_irqs, base + VIC_INT_ENABLE); | ||
| 139 | writel(~vic->resume_irqs, base + VIC_INT_ENABLE_CLEAR); | ||
| 140 | |||
| 141 | return 0; | ||
| 142 | } | ||
| 143 | |||
| 144 | struct sysdev_class vic_class = { | ||
| 145 | .name = "vic", | ||
| 146 | .suspend = vic_class_suspend, | ||
| 147 | .resume = vic_class_resume, | ||
| 148 | }; | ||
| 149 | |||
| 150 | /** | ||
| 151 | * vic_pm_register - Register a VIC for later power management control | ||
| 152 | * @base: The base address of the VIC. | ||
| 153 | * @irq: The base IRQ for the VIC. | ||
| 154 | * @resume_sources: bitmask of interrupts allowed for resume sources. | ||
| 155 | * | ||
| 156 | * Register the VIC with the system device tree so that it can be notified | ||
| 157 | * of suspend and resume requests and ensure that the correct actions are | ||
| 158 | * taken to re-instate the settings on resume. | ||
| 159 | */ | ||
| 160 | static void __init vic_pm_register(void __iomem *base, unsigned int irq, u32 resume_sources) | ||
| 161 | { | ||
| 162 | struct vic_device *v; | ||
| 163 | |||
| 164 | if (vic_id >= ARRAY_SIZE(vic_devices)) | ||
| 165 | printk(KERN_ERR "%s: too few VICs, increase CONFIG_ARM_VIC_NR\n", __func__); | ||
| 166 | else { | ||
| 167 | v = &vic_devices[vic_id]; | ||
| 168 | v->base = base; | ||
| 169 | v->resume_sources = resume_sources; | ||
| 170 | v->irq = irq; | ||
| 171 | vic_id++; | ||
| 172 | } | ||
| 173 | } | ||
| 174 | |||
| 175 | /** | ||
| 176 | * vic_pm_init - initicall to register VIC pm | ||
| 177 | * | ||
| 178 | * This is called via late_initcall() to register | ||
| 179 | * the resources for the VICs due to the early | ||
| 180 | * nature of the VIC's registration. | ||
| 181 | */ | ||
| 182 | static int __init vic_pm_init(void) | ||
| 183 | { | ||
| 184 | struct vic_device *dev = vic_devices; | ||
| 185 | int err; | ||
| 186 | int id; | ||
| 187 | |||
| 188 | if (vic_id == 0) | ||
| 189 | return 0; | ||
| 190 | |||
| 191 | err = sysdev_class_register(&vic_class); | ||
| 192 | if (err) { | ||
| 193 | printk(KERN_ERR "%s: cannot register class\n", __func__); | ||
| 194 | return err; | ||
| 195 | } | ||
| 196 | |||
| 197 | for (id = 0; id < vic_id; id++, dev++) { | ||
| 198 | dev->sysdev.id = id; | ||
| 199 | dev->sysdev.cls = &vic_class; | ||
| 200 | |||
| 201 | err = sysdev_register(&dev->sysdev); | ||
| 202 | if (err) { | ||
| 203 | printk(KERN_ERR "%s: failed to register device\n", | ||
| 204 | __func__); | ||
| 205 | return err; | ||
| 206 | } | ||
| 207 | } | ||
| 208 | |||
| 209 | return 0; | ||
| 210 | } | ||
| 211 | |||
| 212 | late_initcall(vic_pm_init); | ||
| 213 | |||
| 214 | static struct vic_device *vic_from_irq(unsigned int irq) | ||
| 215 | { | ||
| 216 | struct vic_device *v = vic_devices; | ||
| 217 | unsigned int base_irq = irq & ~31; | ||
| 218 | int id; | ||
| 219 | |||
| 220 | for (id = 0; id < vic_id; id++, v++) { | ||
| 221 | if (v->irq == base_irq) | ||
| 222 | return v; | ||
| 223 | } | ||
| 224 | |||
| 225 | return NULL; | ||
| 226 | } | ||
| 227 | |||
| 228 | static int vic_set_wake(unsigned int irq, unsigned int on) | ||
| 229 | { | ||
| 230 | struct vic_device *v = vic_from_irq(irq); | ||
| 231 | unsigned int off = irq & 31; | ||
| 232 | u32 bit = 1 << off; | ||
| 233 | |||
| 234 | if (!v) | ||
| 235 | return -EINVAL; | ||
| 236 | |||
| 237 | if (!(bit & v->resume_sources)) | ||
| 238 | return -EINVAL; | ||
| 239 | |||
| 240 | if (on) | ||
| 241 | v->resume_irqs |= bit; | ||
| 242 | else | ||
| 243 | v->resume_irqs &= ~bit; | ||
| 244 | |||
| 245 | return 0; | ||
| 246 | } | ||
| 247 | |||
| 248 | #else | ||
| 249 | static inline void vic_pm_register(void __iomem *base, unsigned int irq, u32 arg1) { } | ||
| 250 | |||
| 251 | #define vic_set_wake NULL | ||
| 252 | #endif /* CONFIG_PM */ | ||
| 253 | |||
| 42 | static struct irq_chip vic_chip = { | 254 | static struct irq_chip vic_chip = { |
| 43 | .name = "VIC", | 255 | .name = "VIC", |
| 44 | .ack = vic_mask_irq, | 256 | .ack = vic_mask_irq, |
| 45 | .mask = vic_mask_irq, | 257 | .mask = vic_mask_irq, |
| 46 | .unmask = vic_unmask_irq, | 258 | .unmask = vic_unmask_irq, |
| 259 | .set_wake = vic_set_wake, | ||
| 47 | }; | 260 | }; |
| 48 | 261 | ||
| 49 | /** | 262 | /** |
| @@ -51,9 +264,10 @@ static struct irq_chip vic_chip = { | |||
| 51 | * @base: iomem base address | 264 | * @base: iomem base address |
| 52 | * @irq_start: starting interrupt number, must be muliple of 32 | 265 | * @irq_start: starting interrupt number, must be muliple of 32 |
| 53 | * @vic_sources: bitmask of interrupt sources to allow | 266 | * @vic_sources: bitmask of interrupt sources to allow |
| 267 | * @resume_sources: bitmask of interrupt sources to allow for resume | ||
| 54 | */ | 268 | */ |
| 55 | void __init vic_init(void __iomem *base, unsigned int irq_start, | 269 | void __init vic_init(void __iomem *base, unsigned int irq_start, |
| 56 | u32 vic_sources) | 270 | u32 vic_sources, u32 resume_sources) |
| 57 | { | 271 | { |
| 58 | unsigned int i; | 272 | unsigned int i; |
| 59 | 273 | ||
| @@ -77,12 +291,7 @@ void __init vic_init(void __iomem *base, unsigned int irq_start, | |||
| 77 | writel(value, base + VIC_PL190_VECT_ADDR); | 291 | writel(value, base + VIC_PL190_VECT_ADDR); |
| 78 | } | 292 | } |
| 79 | 293 | ||
| 80 | for (i = 0; i < 16; i++) { | 294 | vic_init2(base); |
| 81 | void __iomem *reg = base + VIC_VECT_CNTL0 + (i * 4); | ||
| 82 | writel(VIC_VECT_CNTL_ENABLE | i, reg); | ||
| 83 | } | ||
| 84 | |||
| 85 | writel(32, base + VIC_PL190_DEF_VECT_ADDR); | ||
| 86 | 295 | ||
| 87 | for (i = 0; i < 32; i++) { | 296 | for (i = 0; i < 32; i++) { |
| 88 | if (vic_sources & (1 << i)) { | 297 | if (vic_sources & (1 << i)) { |
| @@ -94,4 +303,6 @@ void __init vic_init(void __iomem *base, unsigned int irq_start, | |||
| 94 | set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); | 303 | set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); |
| 95 | } | 304 | } |
| 96 | } | 305 | } |
| 306 | |||
| 307 | vic_pm_register(base, irq_start, resume_sources); | ||
| 97 | } | 308 | } |
