|
|
|
|
@ -1,14 +1,17 @@ |
|
|
|
|
---
|
|
|
|
|
arch/arm/mach-omap2/board-n8x0.c | 13 +
|
|
|
|
|
drivers/cbus/Kconfig | 12 +
|
|
|
|
|
drivers/cbus/Makefile | 1
|
|
|
|
|
drivers/cbus/n810bm.c | 396 +++++++++++++++++++++++++++++++++++++++
|
|
|
|
|
drivers/cbus/Makefile | 3
|
|
|
|
|
drivers/cbus/lipocharge.c | 63 ++++++
|
|
|
|
|
drivers/cbus/lipocharge.h | 50 ++++
|
|
|
|
|
drivers/cbus/n810bm_main.c | 397 +++++++++++++++++++++++++++++++++++++++
|
|
|
|
|
drivers/cbus/retu.c | 4
|
|
|
|
|
drivers/cbus/retu.h | 2
|
|
|
|
|
6 files changed, 425 insertions(+), 3 deletions(-)
|
|
|
|
|
drivers/cbus/retu.h | 3
|
|
|
|
|
drivers/cbus/tahvo.h | 6
|
|
|
|
|
9 files changed, 548 insertions(+), 3 deletions(-)
|
|
|
|
|
|
|
|
|
|
--- linux-2.6.36-rc5.orig/drivers/cbus/Kconfig
|
|
|
|
|
+++ linux-2.6.36-rc5/drivers/cbus/Kconfig
|
|
|
|
|
--- linux-2.6.36-rc7.orig/drivers/cbus/Kconfig
|
|
|
|
|
+++ linux-2.6.36-rc7/drivers/cbus/Kconfig
|
|
|
|
|
@@ -94,4 +94,16 @@ config CBUS_RETU_HEADSET
|
|
|
|
|
to Retu/Vilma. Detection state and events are exposed through
|
|
|
|
|
sysfs.
|
|
|
|
|
@ -26,16 +29,18 @@ |
|
|
|
|
+ If unsure, say N.
|
|
|
|
|
+
|
|
|
|
|
endmenu
|
|
|
|
|
--- linux-2.6.36-rc5.orig/drivers/cbus/Makefile
|
|
|
|
|
+++ linux-2.6.36-rc5/drivers/cbus/Makefile
|
|
|
|
|
@@ -12,3 +12,4 @@ obj-$(CONFIG_CBUS_RETU_WDT) += retu-wdt.
|
|
|
|
|
--- linux-2.6.36-rc7.orig/drivers/cbus/Makefile
|
|
|
|
|
+++ linux-2.6.36-rc7/drivers/cbus/Makefile
|
|
|
|
|
@@ -12,3 +12,6 @@ obj-$(CONFIG_CBUS_RETU_WDT) += retu-wdt.
|
|
|
|
|
obj-$(CONFIG_CBUS_TAHVO_USER) += tahvo-user.o
|
|
|
|
|
obj-$(CONFIG_CBUS_RETU_USER) += retu-user.o
|
|
|
|
|
obj-$(CONFIG_CBUS_RETU_HEADSET) += retu-headset.o
|
|
|
|
|
+n810bm-y += n810bm_main.o
|
|
|
|
|
+n810bm-y += lipocharge.o
|
|
|
|
|
+obj-$(CONFIG_N810BM) += n810bm.o
|
|
|
|
|
--- /dev/null
|
|
|
|
|
+++ linux-2.6.36-rc5/drivers/cbus/n810bm.c
|
|
|
|
|
@@ -0,0 +1,396 @@
|
|
|
|
|
+++ linux-2.6.36-rc7/drivers/cbus/n810bm_main.c
|
|
|
|
|
@@ -0,0 +1,397 @@
|
|
|
|
|
+/*
|
|
|
|
|
+ * Nokia n810 battery management
|
|
|
|
|
+ *
|
|
|
|
|
@ -66,13 +71,11 @@ |
|
|
|
|
+
|
|
|
|
|
+#include "retu.h"
|
|
|
|
|
+#include "tahvo.h"
|
|
|
|
|
+#include "lipocharge.h"
|
|
|
|
|
+
|
|
|
|
|
+
|
|
|
|
|
+#define N810BM_CHECK_INTERVAL (HZ * 5)
|
|
|
|
|
+#define N810BM_MIN_VOLTAGE_THRES 3400 /* Absolute minimum voltage threshold */
|
|
|
|
|
+/* FIXME: Not sure about the actual value of the low threshold, yet.
|
|
|
|
|
+ * We must give userspace a chance to detect undervoltage and perform
|
|
|
|
|
+ * a clean shutdown, before we flip the big switch. */
|
|
|
|
|
+#define N810BM_MIN_VOLTAGE_THRES 3300 /* Absolute minimum voltage threshold */
|
|
|
|
|
+
|
|
|
|
|
+
|
|
|
|
|
+/* Battery related retu ADC channels */
|
|
|
|
|
@ -126,8 +129,12 @@ |
|
|
|
|
+
|
|
|
|
|
+struct n810bm {
|
|
|
|
|
+ struct platform_device *pdev;
|
|
|
|
|
+
|
|
|
|
|
+ enum n810bm_capacity capacity;
|
|
|
|
|
+ struct timer_list check_timer;
|
|
|
|
|
+
|
|
|
|
|
+ struct lipocharge *charger;
|
|
|
|
|
+
|
|
|
|
|
+ spinlock_t lock;
|
|
|
|
|
+};
|
|
|
|
|
+
|
|
|
|
|
@ -135,7 +142,7 @@ |
|
|
|
|
+static NORET_TYPE void n810bm_emergency(struct n810bm *bm, const char *message) ATTRIB_NORET;
|
|
|
|
|
+static void n810bm_emergency(struct n810bm *bm, const char *message)
|
|
|
|
|
+{
|
|
|
|
|
+ printk(KERN_EMERG "Nokia n810 battery management fatal fault: %s\n", message);
|
|
|
|
|
+ printk(KERN_EMERG "n810 battery management fatal fault: %s\n", message);
|
|
|
|
|
+ /* Force a hard shutdown. */
|
|
|
|
|
+ machine_power_off();
|
|
|
|
|
+ panic("n810bm: Failed to halt machine in emergency state\n");
|
|
|
|
|
@ -230,50 +237,33 @@ |
|
|
|
|
+static enum n810bm_capacity n810bm_read_batt_capacity(struct n810bm *bm)
|
|
|
|
|
+{
|
|
|
|
|
+ int adc;
|
|
|
|
|
+ const unsigned int hyst = 16;
|
|
|
|
|
+ const unsigned int hyst = 20;
|
|
|
|
|
+
|
|
|
|
|
+ adc = retu_adc_average(bm, RETU_ADC_BSI, 5);
|
|
|
|
|
+ if (adc < 0)
|
|
|
|
|
+ if (adc < 0) {
|
|
|
|
|
+ dev_err(&bm->pdev->dev, "Failed to read BSI ADC");
|
|
|
|
|
+ return N810BM_CAP_UNKNOWN;
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ if (adc >= 0x3AC - hyst && adc <= 0x3AC + hyst)
|
|
|
|
|
+ if (adc >= 0x3B5 - hyst && adc <= 0x3B5 + hyst)
|
|
|
|
|
+ return N810BM_CAP_1500MAH;
|
|
|
|
|
+
|
|
|
|
|
+ dev_err(&bm->pdev->dev, "Capacity indicator 0x%X unknown", adc);
|
|
|
|
|
+
|
|
|
|
|
+ return N810BM_CAP_UNKNOWN;
|
|
|
|
|
+}
|
|
|
|
|
+
|
|
|
|
|
+struct mv2p {
|
|
|
|
|
+ unsigned int mv;
|
|
|
|
|
+ unsigned int p;
|
|
|
|
|
+};
|
|
|
|
|
+
|
|
|
|
|
+/* Convert a battery voltage (in mV) to percentage. */
|
|
|
|
|
+static unsigned int n810bm_mvolt2percent(unsigned int mv)
|
|
|
|
|
+{
|
|
|
|
|
+ /* FIXME: Create a correct table. */
|
|
|
|
|
+ static const struct mv2p table[] = {
|
|
|
|
|
+ { .mv = 4200, .p = 100, },
|
|
|
|
|
+ { .mv = 4150, .p = 90, },
|
|
|
|
|
+ { .mv = 4100, .p = 80, },
|
|
|
|
|
+ { .mv = 4050, .p = 70, },
|
|
|
|
|
+ { .mv = 4000, .p = 60, },
|
|
|
|
|
+ { .mv = 3950, .p = 50, },
|
|
|
|
|
+ { .mv = 3900, .p = 40, },
|
|
|
|
|
+ { .mv = 3850, .p = 30, },
|
|
|
|
|
+ { .mv = 3800, .p = 20, },
|
|
|
|
|
+ { .mv = 3750, .p = 10, },
|
|
|
|
|
+ { .mv = 3700, .p = 0, },
|
|
|
|
|
+ };
|
|
|
|
|
+ const struct mv2p *e;
|
|
|
|
|
+ unsigned int i;
|
|
|
|
|
+
|
|
|
|
|
+ for (i = 0; i < ARRAY_SIZE(table); i++) {
|
|
|
|
|
+ e = &table[i];
|
|
|
|
|
+ if (mv >= e->mv)
|
|
|
|
|
+ return e->p;
|
|
|
|
|
+ }
|
|
|
|
|
+ const unsigned int minv = 3700;
|
|
|
|
|
+ const unsigned int maxv = 4150;
|
|
|
|
|
+ unsigned int percent;
|
|
|
|
|
+
|
|
|
|
|
+ return 0;
|
|
|
|
|
+ mv = clamp(mv, minv, maxv);
|
|
|
|
|
+ percent = (mv - minv) * 100 / (maxv - minv);
|
|
|
|
|
+
|
|
|
|
|
+ return percent;
|
|
|
|
|
+}
|
|
|
|
|
+
|
|
|
|
|
+static void n810bm_check_timer(unsigned long data)
|
|
|
|
|
@ -296,6 +286,15 @@ |
|
|
|
|
+ return;
|
|
|
|
|
+}
|
|
|
|
|
+
|
|
|
|
|
+static void n810bm_adc_irq_handler(unsigned long data)
|
|
|
|
|
+{
|
|
|
|
|
+ struct n810bm *bm = (struct n810bm *)data;
|
|
|
|
|
+
|
|
|
|
|
+ retu_ack_irq(RETU_INT_ADCS);
|
|
|
|
|
+ //TODO
|
|
|
|
|
+printk("n810bm: ADC timer triggered\n");
|
|
|
|
|
+}
|
|
|
|
|
+
|
|
|
|
|
+static ssize_t n810bm_attr_charge_show(struct device *dev,
|
|
|
|
|
+ struct device_attribute *attr,
|
|
|
|
|
+ char *buf)
|
|
|
|
|
@ -378,6 +377,10 @@ |
|
|
|
|
+ err = device_create_file(&pdev->dev, &dev_attr_batt_capacity);
|
|
|
|
|
+ if (err)
|
|
|
|
|
+ goto err_rem_charge;
|
|
|
|
|
+ err = retu_request_irq(RETU_INT_ADCS, n810bm_adc_irq_handler,
|
|
|
|
|
+ (unsigned long)bm, "n810bm");
|
|
|
|
|
+ if (err)
|
|
|
|
|
+ goto err_rem_capa;
|
|
|
|
|
+
|
|
|
|
|
+ mod_timer(&bm->check_timer, round_jiffies(jiffies + N810BM_CHECK_INTERVAL));
|
|
|
|
|
+
|
|
|
|
|
@ -385,6 +388,8 @@ |
|
|
|
|
+
|
|
|
|
|
+ return 0;
|
|
|
|
|
+
|
|
|
|
|
+err_rem_capa:
|
|
|
|
|
+ device_remove_file(&pdev->dev, &dev_attr_batt_capacity);
|
|
|
|
|
+err_rem_charge:
|
|
|
|
|
+ device_remove_file(&pdev->dev, &dev_attr_batt_charge);
|
|
|
|
|
+err_exit:
|
|
|
|
|
@ -399,6 +404,7 @@ |
|
|
|
|
+{
|
|
|
|
|
+ struct n810bm *bm = platform_get_drvdata(pdev);
|
|
|
|
|
+
|
|
|
|
|
+ retu_free_irq(RETU_INT_ADCS);
|
|
|
|
|
+ del_timer_sync(&bm->check_timer);
|
|
|
|
|
+ device_remove_file(&pdev->dev, &dev_attr_batt_capacity);
|
|
|
|
|
+ device_remove_file(&pdev->dev, &dev_attr_batt_charge);
|
|
|
|
|
@ -432,8 +438,8 @@ |
|
|
|
|
+MODULE_DESCRIPTION("Nokia n810 battery management");
|
|
|
|
|
+MODULE_LICENSE("GPL");
|
|
|
|
|
+MODULE_AUTHOR("Michael Buesch");
|
|
|
|
|
--- linux-2.6.36-rc5.orig/drivers/cbus/retu.c
|
|
|
|
|
+++ linux-2.6.36-rc5/drivers/cbus/retu.c
|
|
|
|
|
--- linux-2.6.36-rc7.orig/drivers/cbus/retu.c
|
|
|
|
|
+++ linux-2.6.36-rc7/drivers/cbus/retu.c
|
|
|
|
|
@@ -85,10 +85,10 @@ int retu_read_reg(int reg)
|
|
|
|
|
*
|
|
|
|
|
* This function writes a value to the specified register
|
|
|
|
|
@ -447,9 +453,17 @@ |
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void retu_set_clear_reg_bits(int reg, u16 set, u16 clear)
|
|
|
|
|
--- linux-2.6.36-rc5.orig/drivers/cbus/retu.h
|
|
|
|
|
+++ linux-2.6.36-rc5/drivers/cbus/retu.h
|
|
|
|
|
@@ -58,7 +58,7 @@
|
|
|
|
|
--- linux-2.6.36-rc7.orig/drivers/cbus/retu.h
|
|
|
|
|
+++ linux-2.6.36-rc7/drivers/cbus/retu.h
|
|
|
|
|
@@ -39,6 +39,7 @@
|
|
|
|
|
#define RETU_REG_CC2 0x0e /* Common control register 2 */
|
|
|
|
|
#define RETU_REG_CTRL_CLR 0x0f /* Regulator clear register */
|
|
|
|
|
#define RETU_REG_CTRL_SET 0x10 /* Regulator set register */
|
|
|
|
|
+#define RETU_REG_UNK1 0x14 /* 0x1000 is set when charger is plugged in */
|
|
|
|
|
#define RETU_REG_STATUS 0x16 /* Status register */
|
|
|
|
|
#define RETU_REG_WATCHDOG 0x17 /* Watchdog register */
|
|
|
|
|
#define RETU_REG_AUDTXR 0x18 /* Audio Codec Tx register */
|
|
|
|
|
@@ -58,7 +59,7 @@
|
|
|
|
|
#define MAX_RETU_IRQ_HANDLERS 16
|
|
|
|
|
|
|
|
|
|
int retu_read_reg(int reg);
|
|
|
|
|
@ -458,8 +472,8 @@ |
|
|
|
|
void retu_set_clear_reg_bits(int reg, u16 set, u16 clear);
|
|
|
|
|
int retu_read_adc(int channel);
|
|
|
|
|
int retu_request_irq(int id, void *irq_handler, unsigned long arg, char *name);
|
|
|
|
|
--- linux-2.6.36-rc5.orig/arch/arm/mach-omap2/board-n8x0.c
|
|
|
|
|
+++ linux-2.6.36-rc5/arch/arm/mach-omap2/board-n8x0.c
|
|
|
|
|
--- linux-2.6.36-rc7.orig/arch/arm/mach-omap2/board-n8x0.c
|
|
|
|
|
+++ linux-2.6.36-rc7/arch/arm/mach-omap2/board-n8x0.c
|
|
|
|
|
@@ -906,6 +906,17 @@ static void __init n8x0_gpio_switches_in
|
|
|
|
|
ARRAY_SIZE(n8x0_gpio_switches));
|
|
|
|
|
}
|
|
|
|
|
@ -487,3 +501,139 @@ |
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
MACHINE_START(NOKIA_N800, "Nokia N800")
|
|
|
|
|
--- /dev/null
|
|
|
|
|
+++ linux-2.6.36-rc7/drivers/cbus/lipocharge.c
|
|
|
|
|
@@ -0,0 +1,63 @@
|
|
|
|
|
+/*
|
|
|
|
|
+ * Generic LIPO battery charger
|
|
|
|
|
+ *
|
|
|
|
|
+ * Copyright (c) 2010 Michael Buesch <mb@bu3sch.de>
|
|
|
|
|
+ *
|
|
|
|
|
+ * This program is free software; you can redistribute it and/or
|
|
|
|
|
+ * modify it under the terms of the GNU General Public License
|
|
|
|
|
+ * as published by the Free Software Foundation; either version 2
|
|
|
|
|
+ * of the License, or (at your option) any later version.
|
|
|
|
|
+ *
|
|
|
|
|
+ * This program is distributed in the hope that it will be useful,
|
|
|
|
|
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
|
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
|
+ * GNU General Public License for more details.
|
|
|
|
|
+ */
|
|
|
|
|
+
|
|
|
|
|
+#include "lipocharge.h"
|
|
|
|
|
+
|
|
|
|
|
+#include <linux/slab.h>
|
|
|
|
|
+
|
|
|
|
|
+
|
|
|
|
|
+static void lipocharge_timer(unsigned long data)
|
|
|
|
|
+{
|
|
|
|
|
+ struct lipocharge *c = (struct lipocharge *)data;
|
|
|
|
|
+
|
|
|
|
|
+ spin_lock(&c->lock);
|
|
|
|
|
+ //TODO
|
|
|
|
|
+ spin_unlock(&c->lock);
|
|
|
|
|
+}
|
|
|
|
|
+
|
|
|
|
|
+struct lipocharge * lipocharge_alloc(gfp_t gfp)
|
|
|
|
|
+{
|
|
|
|
|
+ struct lipocharge *c;
|
|
|
|
|
+
|
|
|
|
|
+ c = kzalloc(sizeof(*c), gfp);
|
|
|
|
|
+ if (!c)
|
|
|
|
|
+ return NULL;
|
|
|
|
|
+ spin_lock_init(&c->lock);
|
|
|
|
|
+ setup_timer(&c->timer, lipocharge_timer, (unsigned long)c);
|
|
|
|
|
+
|
|
|
|
|
+ return c;
|
|
|
|
|
+}
|
|
|
|
|
+
|
|
|
|
|
+void lipocharge_free(struct lipocharge *c)
|
|
|
|
|
+{
|
|
|
|
|
+ kfree(c);
|
|
|
|
|
+}
|
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+
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+int lipocharge_start(struct lipocharge *c)
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+{
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+ if (!c->set_current || !c->get_voltage ||
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+ !c->finished || !c->emergency)
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+ return -EINVAL;
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+ if (!c->top_voltage || c->top_voltage > 4200)
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+ return -EINVAL;
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+ //TODO
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+}
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+
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+void lipocharge_stop(struct lipocharge *c)
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+{
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+ del_timer_sync(&c->timer);
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+ //TODO
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+}
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--- /dev/null
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+++ linux-2.6.36-rc7/drivers/cbus/lipocharge.h
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@@ -0,0 +1,50 @@
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+#ifndef LIPOCHARGE_H_
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+#define LIPOCHARGE_H_
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+
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+#include <linux/timer.h>
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+#include <linux/spinlock.h>
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+
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+
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+#define LIPORATE(a,b) (((a) * 1000) + (b))
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+#define LIPORATE_1C LIPORATE(1,0) /* 1C */
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+#define LIPORATE_p8C LIPORATE(0,8) /* 0.8C */
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+
|
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|
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+/** struct lipocharge - A generic LIPO charger
|
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+ *
|
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+ * @capacity: Battery capacity in mAh.
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+ * @rate: Charge rate.
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+ * @top_voltage: Fully charged voltage, in mV.
|
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+ *
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+ * @set_current: Set the charge current, in mA.
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+ * @get_voltage: Get the battery voltage, in mV.
|
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+ *
|
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+ * @emergency: Something went wrong. Force shutdown.
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+ *
|
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|
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+ * @priv: opaque pointer.
|
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|
|
+ */
|
|
|
|
|
+struct lipocharge
|
|
|
|
|
+{
|
|
|
|
|
+ unsigned int capacity;
|
|
|
|
|
+ unsigned int rate;
|
|
|
|
|
+ unsigned int top_voltage;
|
|
|
|
|
+
|
|
|
|
|
+ int (*set_current)(struct lipocharge *c, unsigned int ma);
|
|
|
|
|
+ int (*get_voltage)(struct lipocharge *c, unsigned int *mv);
|
|
|
|
|
+
|
|
|
|
|
+ void (*finished)(struct lipocharge *c);
|
|
|
|
|
+ void (*emergency)(struct lipocharge *c);
|
|
|
|
|
+
|
|
|
|
|
+ void *priv;
|
|
|
|
|
+
|
|
|
|
|
+ /* internal */
|
|
|
|
|
+ spinlock_t lock;
|
|
|
|
|
+ struct timer_list timer;
|
|
|
|
|
+};
|
|
|
|
|
+
|
|
|
|
|
+struct lipocharge * lipocharge_alloc(gfp_t gfp);
|
|
|
|
|
+void lipocharge_free(struct lipocharge *c);
|
|
|
|
|
+
|
|
|
|
|
+int lipocharge_start(struct lipocharge *c);
|
|
|
|
|
+void lipocharge_stop(struct lipocharge *c);
|
|
|
|
|
+
|
|
|
|
|
+#endif /* LIPOCHARGE_H_ */
|
|
|
|
|
--- linux-2.6.36-rc7.orig/drivers/cbus/tahvo.h
|
|
|
|
|
+++ linux-2.6.36-rc7/drivers/cbus/tahvo.h
|
|
|
|
|
@@ -30,8 +30,14 @@
|
|
|
|
|
#define TAHVO_REG_IDR 0x01 /* Interrupt ID */
|
|
|
|
|
#define TAHVO_REG_IDSR 0x02 /* Interrupt status */
|
|
|
|
|
#define TAHVO_REG_IMR 0x03 /* Interrupt mask */
|
|
|
|
|
+#define TAHVO_REG_CHGCURR 0x04 /* Charge current control (8-bit) */
|
|
|
|
|
#define TAHVO_REG_LEDPWMR 0x05 /* LED PWM */
|
|
|
|
|
#define TAHVO_REG_USBR 0x06 /* USB control */
|
|
|
|
|
+#define TAHVO_REG_CHGCTL 0x08 /* Charge control register */
|
|
|
|
|
+#define TAHVO_REG_CHGCTL_EN 0x0001 /* Global charge enable */
|
|
|
|
|
+#define TAHVO_REG_CHGCTL2 0x0c /* Charge control register 2 */
|
|
|
|
|
+#define TAHVO_REG_BATCURR 0x0d /* Battery (dis)charge current (signed 16-bit) */
|
|
|
|
|
+
|
|
|
|
|
#define TAHVO_REG_MAX 0x0d
|
|
|
|
|
|
|
|
|
|
/* Interrupt sources */
|
|
|
|
|
|
Michael Büsch
14 years ago