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Compile fix jz4740-battery.c, use adc driver and some other minor cleanups.

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Enable adc and battery.
This commit is contained in:
Lars-Peter Clausen 2009-09-21 23:46:44 +02:00 committed by Xiangfu Liu
parent 7a88b927f8
commit bdbda932b8
5 changed files with 129 additions and 85 deletions
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7
target/linux/xburst/config-2.6.31
View File

@ -15,6 +15,8 @@ CONFIG_BACKLIGHT_CLASS_DEVICE=y
# CONFIG_BACKLIGHT_GENERIC is not set
CONFIG_BACKLIGHT_LCD_SUPPORT=y
CONFIG_BASE_SMALL=0
# CONFIG_BATTERY_DS2760 is not set
CONFIG_BATTERY_JZ4740=y
# CONFIG_BCM47XX is not set
# CONFIG_BINARY_PRINTF is not set
CONFIG_BITREVERSE=y
@ -160,6 +162,7 @@ CONFIG_IP_PNP_BOOTP=y
CONFIG_IP_PNP_DHCP=y
# CONFIG_IP_PNP_RARP is not set
CONFIG_IRQ_CPU=y
CONFIG_JZ4740_ADC=y
CONFIG_JZ4740_QI_LB60=y
CONFIG_JZRISC=y
CONFIG_JZSOC=y
@ -212,7 +215,6 @@ CONFIG_MIPS_MT_DISABLED=y
# CONFIG_MIPS_MT_SMP is not set
# CONFIG_MIPS_MT_SMTC is not set
# CONFIG_MIPS_SIM is not set
# CONFIG_MISC_DEVICES is not set
CONFIG_MMC=y
CONFIG_MMC_BLOCK=y
# CONFIG_MMC_BLOCK_BOUNCE is not set
@ -245,12 +247,15 @@ CONFIG_MTD_UBI_WL_THRESHOLD=4096
# CONFIG_PACKET_MMAP is not set
CONFIG_PAGEFLAGS_EXTENDED=y
CONFIG_PCSPKR_PLATFORM=y
# CONFIG_PDA_POWER is not set
CONFIG_PM=y
# CONFIG_PMC_MSP is not set
# CONFIG_PMC_YOSEMITE is not set
# CONFIG_PM_DEBUG is not set
# CONFIG_PNX8550_JBS is not set
# CONFIG_PNX8550_STB810 is not set
CONFIG_POWER_SUPPLY=y
# CONFIG_POWER_SUPPLY_DEBUG is not set
CONFIG_PREEMPT=y
# CONFIG_PREEMPT_NONE is not set
# CONFIG_PROM_EMU is not set

34
target/linux/xburst/files-2.6.31/arch/mips/jz4740/platform.c
View File

@ -20,7 +20,7 @@
#include <linux/spi/spi.h>
#include <linux/spi/spi_gpio.h>
#include <linux/power_supply.h>
#include <linux/jz4740_batt.h>
#include <linux/power/jz4740-battery.h>
#include <asm/jzsoc.h>
#include <asm/gpio.h>
@ -430,7 +430,27 @@ static struct platform_device jz_codec_device = {
.resource = codec_resources,
};
static struct jz_batt_info jz_batt_gpio_platform_data = {
static struct resource adc_resources[] = {
[0] = {
.start = CPHYSADDR(SADC_BASE),
.end = CPHYSADDR(SADC_BASE) + 0x30,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = JZ_IRQ_SADC,
.end = JZ_IRQ_SADC,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device jz_adc_device = {
.name = "jz4740-adc",
.id = -1,
.num_resources = ARRAY_SIZE(adc_resources),
.resource = adc_resources,
};
static struct jz_batt_info jz_battery_platform_data = {
.dc_dect_gpio = GPIO_DC_DETE_N,
.usb_dect_gpio = GPIO_USB_DETE,
.charg_stat_gpio = GPIO_CHARG_STAT_N,
@ -440,11 +460,12 @@ static struct jz_batt_info jz_batt_gpio_platform_data = {
.batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO,
};
static struct platform_device batt_gpio_device = {
.name = "batt_gpio",
static struct platform_device jz_battery_device = {
.name = "jz4740-battery",
.id = -1,
.dev = {
.platform_data = &jz_batt_gpio_platform_data,
.platform_data = &jz_battery_platform_data,
.parent = &jz_adc_device.dev
},
};
@ -461,7 +482,8 @@ static struct platform_device *jz_platform_devices[] __initdata = {
&jz_i2s_device,
&jz_codec_device,
&jz_rtc_device,
&batt_gpio_device,
&jz_adc_device,
&jz_battery_device,
};
static int __init jz_platform_init(void)

148
target/linux/xburst/files-2.6.31/drivers/power/jz_battery.c → target/linux/xburst/files-2.6.31/drivers/power/jz4740-battery.c Executable file → Normal file
View File

@ -1,6 +1,4 @@
/*
* linux/drivers/power/jz_battery
*
* Battery measurement code for Ingenic JZ SOC.
*
* based on tosa_battery.c
@ -20,33 +18,35 @@
#include <linux/spinlock.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/jz4740_batt.h>
#include <linux/gpio.h>
#include <asm/jzsoc.h>
#include <linux/power/jz4740-battery.h>
#include <linux/jz4740-adc.h>
struct workqueue_struct *monitor_wqueue;
struct delayed_work bat_work;
struct mutex work_lock;
/*struct jz_battery {*/
static int bat_status = POWER_SUPPLY_STATUS_DISCHARGING;
static struct jz_batt_info *pdata = 0;
static int bat_status = POWER_SUPPLY_STATUS_DISCHARGING;
static struct jz_batt_info *pdata = 0;
struct mutex work_lock;
struct workqueue_struct *monitor_wqueue;
struct delayed_work bat_work;
/*};*/
extern unsigned int jz_read_battery(void);
/*********************************************************************
* Power
*********************************************************************/
static int jz_get_power_prop(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
enum power_supply_property psp,
union power_supply_propval *val)
{
int gpio = (psy->type == POWER_SUPPLY_TYPE_MAINS) ? pdata->dc_dect_gpio :
pdata->usb_dect_gpio;
switch (psp) {
case POWER_SUPPLY_PROP_ONLINE:
if (psy->type == POWER_SUPPLY_TYPE_MAINS)
val->intval = !gpio_get_value(pdata->dc_dect_gpio);
else
val->intval = !!gpio_get_value(pdata->usb_dect_gpio);
val->intval = !gpio_get_value(gpio);
break;
default:
return -EINVAL;
@ -80,33 +80,40 @@ static struct power_supply jz_usb = {
* Battery properties
*********************************************************************/
static unsigned long jz_read_bat(struct power_supply *bat_ps)
static long jz_read_bat(struct power_supply *bat_ps)
{
unsigned long val;
if (CFG_PBAT_DIV == 1)
val = (((unsigned long long)jz_read_battery() * 7500000L) >> 12) + 33000L;
enum jz_adc_battery_scale scale;
if (pdata->max_voltag > 2500000)
scale = JZ_ADC_BATTERY_SCALE_7V5;
else
val = ((unsigned long long)jz_read_battery() * CFG_PBAT_DIV * 2500000L) >> 12;
dev_dbg(bat_ps->dev, "%s: raw_batter_vol = %d uV\n",__func__,val);
return val;
scale = JZ_ADC_BATTERY_SCALE_2V5;
return jz4740_adc_read_battery_voltage(bat_ps->dev->parent->parent, scale);
}
static int jz_bat_get_capacity(struct power_supply *bat_ps)
{
int ret;
ret = (jz_read_bat(bat_ps) - pdata->min_voltag) * 100
ret = jz_read_bat(bat_ps);
if (ret < 0)
return ret;
ret = (ret - pdata->min_voltag) * 100
/ (pdata->max_voltag - pdata->min_voltag);
if (ret > 100) {
dev_warn(bat_ps->dev, "%s: capacity=%d which exceeds 100,"
"set to 100\n", __func__, ret);
if (ret > 100)
ret = 100;
}
else if (ret < 0)
ret = 0;
return ret;
}
static int jz_bat_get_property(struct power_supply *bat_ps,
enum power_supply_property psp,
union power_supply_propval *val)
enum power_supply_property psp,
union power_supply_propval *val)
{
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
@ -116,7 +123,7 @@ static int jz_bat_get_property(struct power_supply *bat_ps,
val->intval = pdata->batt_tech;
break;
case POWER_SUPPLY_PROP_HEALTH:
if(jz_read_bat(bat_ps) < JZ_BAT_MIN_VOLTAGE) {
if(jz_read_bat(bat_ps) < pdata->min_voltag) {
dev_dbg(bat_ps->dev, "%s: battery is dead,"
"voltage too low!\n", __func__);
val->intval = POWER_SUPPLY_HEALTH_DEAD;
@ -128,11 +135,13 @@ static int jz_bat_get_property(struct power_supply *bat_ps,
break;
case POWER_SUPPLY_PROP_CAPACITY:
val->intval = jz_bat_get_capacity(bat_ps);
dev_dbg(bat_ps->dev, "%s: battery_capacity = %d\%\n",
dev_dbg(bat_ps->dev, "%s: battery_capacity = %d\n",
__func__, val->intval);
break;
case POWER_SUPPLY_PROP_VOLTAGE_NOW:
val->intval = jz_read_bat(bat_ps);
if (val->intval < 0)
return val->intval;
break;
case POWER_SUPPLY_PROP_VOLTAGE_MAX:
case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
@ -153,7 +162,7 @@ static int jz_bat_get_property(struct power_supply *bat_ps,
static void jz_bat_external_power_changed(struct power_supply *bat_ps)
{
cancel_delayed_work(&bat_work);
queue_delayed_work(monitor_wqueue, &bat_work, HZ/10);
queue_delayed_work(monitor_wqueue, &bat_work, HZ / 8);
}
static char *status_text[] = {
@ -170,7 +179,7 @@ static void jz_bat_update(struct power_supply *bat_ps)
unsigned long batt_vol = jz_read_bat(bat_ps);
mutex_lock(&work_lock);
if(!gpio_get_value(pdata->charg_stat_pgio))
if(!gpio_get_value(pdata->charg_stat_gpio))
bat_status = POWER_SUPPLY_STATUS_CHARGING;
else
bat_status = POWER_SUPPLY_STATUS_NOT_CHARGING;
@ -179,7 +188,7 @@ static void jz_bat_update(struct power_supply *bat_ps)
__func__, status_text[bat_status]);
if ((old_status != bat_status) ||
(old_batt_vol - batt_vol > 50000)) {
(old_batt_vol - batt_vol > 50000)) {
dev_dbg(bat_ps->dev, "%s %s -> %s\n",
bat_ps->name,
status_text[old_status],
@ -243,7 +252,7 @@ static int jz_bat_resume(struct platform_device *dev)
#define jz_bat_resume NULL
#endif
static int __devinit jz_bat_probe(struct platform_device *dev)
static int __devinit jz_bat_probe(struct platform_device *pdev)
{
int ret = 0;
@ -251,23 +260,23 @@ static int __devinit jz_bat_probe(struct platform_device *dev)
mutex_init(&work_lock);
INIT_DELAYED_WORK(&bat_work, jz_bat_work);
if (!dev->dev->platform_data) {
dev_error(&dev->dev, "Please set battery info\n");
if (!pdev->dev.platform_data) {
dev_err(&pdev->dev, "Please set battery info\n");
return -EINVAL;
}
pdata = dev->dev->platform_data;
pdata = pdev->dev.platform_data;
if (gpio_is_valid(pdata->dc_dect_gpio)) {
ret = gpio_request(pdata->dc_dect_gpio, "AC/DC DECT");
if (ret) {
dev_err(dev->dev, "ac/dc dect gpio request failed.\n");
dev_err(&pdev->dev, "ac/dc dect gpio request failed.\n");
goto err_dc_gpio_request;
}
ret = gpio_direction_input(pdata->dc_dect_gpio);
if (ret) {
dev_err(dev->dev, "ac/dc dect gpio direction failed.\n");
dev_err(&pdev->dev, "ac/dc dect gpio direction failed.\n");
goto err_dc_gpio_direction;
}
@ -276,13 +285,13 @@ static int __devinit jz_bat_probe(struct platform_device *dev)
if (gpio_is_valid(pdata->usb_dect_gpio)) {
ret = gpio_request(pdata->usb_dect_gpio, "USB DECT");
if (ret) {
dev_err(dev->dev, "usb dect gpio request failed.\n");
dev_err(&pdev->dev, "usb dect gpio request failed.\n");
goto err_usb_gpio_request;
}
ret = gpio_direction_input(pdata->usb_dect_gpio);
if (ret) {
dev_err(dev->dev, "usb dect gpio set direction failed.\n");
dev_err(&pdev->dev, "usb dect gpio set direction failed.\n");
goto err_usb_gpio_direction;
}
@ -293,34 +302,34 @@ static int __devinit jz_bat_probe(struct platform_device *dev)
if (gpio_is_valid(pdata->charg_stat_gpio)) {
ret = gpio_request(pdata->charg_stat_gpio, "CHARG STAT");
if (ret) {
dev_err(dev->dev, "charger state gpio request failed.\n");
dev_err(&pdev->dev, "charger state gpio request failed.\n");
goto err_charg_gpio_request;
}
ret = gpio_direction_input(pdata->charg_stat_pgio);
ret = gpio_direction_input(pdata->charg_stat_gpio);
if (ret) {
dev_err(dev->dev, "charger state gpio set direction failed.\n");
dev_err(&pdev->dev, "charger state gpio set direction failed.\n");
goto err_charg_gpio_direction;
}
}
ret = power_supply_register(&dev->dev, &jz_ac);
ret = power_supply_register(&pdev->dev, &jz_ac);
if (ret) {
dev_err(dev->dev, "power supply ac/dc register failed.\n");
dev_err(&pdev->dev, "power supply ac/dc register failed.\n");
goto err_power_register_ac;
}
ret = power_supply_register(&dev->dev, &jz_usb);
ret = power_supply_register(&pdev->dev, &jz_usb);
if (ret) {
dev_err(dev->dev, "power supply usb register failed.\n");
dev_err(&pdev->dev, "power supply usb register failed.\n");
goto err_power_register_usb;
}
ret = power_supply_register(&dev->dev, &bat_ps);
ret = power_supply_register(&pdev->dev, &bat_ps);
if (ret) {
dev_err(dev->dev, "power supply battery register failed.\n");
dev_err(&pdev->dev, "power supply battery register failed.\n");
goto err_power_register_bat;
}
if (!ret) {
monitor_wqueue = create_singlethread_workqueue("jz_battery");
if (!monitor_wqueue) {
@ -337,57 +346,58 @@ err_power_register_usb:
power_supply_unregister(&jz_ac);
err_power_register_ac:
err_charg_gpio_direction:
gpio_free(pdata->charg_stat_pgio);
gpio_free(pdata->charg_stat_gpio);
err_charg_gpio_request:
err_usb_gpio_direction:
gpio_free(pdata->usb_dect_gpio);
err_usb_gpio_request:
err_dc_gpio_direction:
gpio_free(pdata->dc_dect_gpio);
err_err_dc_gpio_request:
err_dc_gpio_request:
return ret;
}
static int __devexit jz_bat_remove(struct platform_device *dev)
{
if (pdata) {
if (gpio_is_valid(pdata->dc_dct_gpio))
gpio_free(pdata->dc_dect_gpio);
if (gpio_is_valid(pdata->usb_dect_gpio))
gpio_free(pdata->usb_dect_pgio);
if (gpio_is_valid(pdata->charg_stat_gpio))
gpio_free(pdata->charg_stat_gpio);
if (gpio_is_valid(pdata->dc_dect_gpio))
gpio_free(pdata->dc_dect_gpio);
if (gpio_is_valid(pdata->usb_dect_gpio))
gpio_free(pdata->usb_dect_gpio);
if (gpio_is_valid(pdata->charg_stat_gpio))
gpio_free(pdata->charg_stat_gpio);
}
power_supply_unregister(&bat_ps);
power_supply_unregister(&jz_ac);
power_supply_unregister(&jz_usb);
return 0;
}
static struct platform_driver jz_bat_driver = {
.driver.name = "jz-battery",
.driver.owner = THIS_MODULE,
.probe = jz_bat_probe,
.remove = __devexit_p(jz_bat_remove),
.suspend = jz_bat_suspend,
.resume = jz_bat_resume,
.driver = {
.name = "jz4740-battery",
.owner = THIS_MODULE,
},
};
static int __init jz_bat_init(void)
{
platform_device_register_simple("jz-battery", 0, NULL, 0);
return platform_driver_register(&jz_bat_driver);
}
module_init(jz_bat_init);
static void __exit jz_bat_exit(void)
{
platform_driver_unregister(&jz_bat_driver);
}
module_init(jz_bat_init);
module_exit(jz_bat_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
MODULE_DESCRIPTION("Palm T|X battery driver");
MODULE_AUTHOR("Jiejing Zhang <kzjeef@gmail.com>");
MODULE_DESCRIPTION("JZ4720/JZ4740 SoC battery driver");

9
target/linux/xburst/files-2.6.31/include/linux/jz4740_batt.h → target/linux/xburst/files-2.6.31/include/linux/power/jz4740-battery.h
View File

@ -12,8 +12,8 @@
*
*/
#ifndef JZ4740_BATT_H
#define JZ4740_BATT_H
#ifndef __JZ4740_BATTERY_H
#define __JZ4740_BATTERY_H
struct jz_batt_info {
int dc_dect_gpio; /* GPIO port of DC charger detection */
@ -22,6 +22,7 @@ struct jz_batt_info {
int min_voltag; /* Mininal battery voltage in uV */
int max_voltag; /* Maximum battery voltage in uV */
int batt_tech; /* Battery technoledge */
};
int batt_tech; /* Battery technology */
};
#endif

16
target/linux/xburst/patches-2.6.31/100-battery.patch
View File

@ -2,14 +2,20 @@ diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index bdbc4f7..3942136 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -103,4 +103,9 @@ config CHARGER_PCF50633
@@ -103,4 +103,15 @@ config CHARGER_PCF50633
help
Say Y to include support for NXP PCF50633 Main Battery Charger.
+config BATTERY_JZ
+ tristate "JZ battery"
+config BATTERY_JZ4740
+ tristate "Ingenic JZ4720/JZ4740 battery"
+ depends on SOC_JZ4740
+ depends on JZ4740_ADC
+ help
+ Say Y to enable support for the battery in JZ SOC.
+ Say Y to enable support for the battery on Ingenic JZ4720/JZ4740 based
+ boards.
+
+ This driver can be build as a module. If so, the module will be
+ called jz4740-battery.
+
endif # POWER_SUPPLY
diff --git a/drivers/power/Makefile b/drivers/power/Makefile
@ -20,4 +26,4 @@ index 380d17c..4eebbf5 100644
obj-$(CONFIG_BATTERY_DA9030) += da9030_battery.o
obj-$(CONFIG_BATTERY_MAX17040) += max17040_battery.o
obj-$(CONFIG_CHARGER_PCF50633) += pcf50633-charger.o
+obj-$(CONFIG_BATTERY_JZ) += jz_battery.o
+obj-$(CONFIG_BATTERY_JZ4740) += jz4740-battery.o