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-rw-r--r--drivers/hwmon/Kconfig10
-rw-r--r--drivers/hwmon/Makefile1
-rw-r--r--drivers/hwmon/coretemp.c32
-rw-r--r--drivers/hwmon/it87.c22
-rw-r--r--drivers/hwmon/jz4740-hwmon.c230
-rw-r--r--drivers/hwmon/k8temp.c10
-rw-r--r--drivers/hwmon/ultra45_env.c4
7 files changed, 301 insertions, 8 deletions
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index e19cf8eb6cc..c57e530d07c 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -446,6 +446,16 @@ config SENSORS_IT87
This driver can also be built as a module. If so, the module
will be called it87.
+config SENSORS_JZ4740
+ tristate "Ingenic JZ4740 SoC ADC driver"
+ depends on MACH_JZ4740 && MFD_JZ4740_ADC
+ help
+ If you say yes here you get support for reading adc values from the ADCIN
+ pin on Ingenic JZ4740 SoC based boards.
+
+ This driver can also be build as a module. If so, the module will be
+ called jz4740-hwmon.
+
config SENSORS_LM63
tristate "National Semiconductor LM63 and LM64"
depends on I2C
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index 2138ceb1a71..c5057745b06 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -55,6 +55,7 @@ obj-$(CONFIG_SENSORS_I5K_AMB) += i5k_amb.o
obj-$(CONFIG_SENSORS_IBMAEM) += ibmaem.o
obj-$(CONFIG_SENSORS_IBMPEX) += ibmpex.o
obj-$(CONFIG_SENSORS_IT87) += it87.o
+obj-$(CONFIG_SENSORS_JZ4740) += jz4740-hwmon.o
obj-$(CONFIG_SENSORS_K8TEMP) += k8temp.o
obj-$(CONFIG_SENSORS_K10TEMP) += k10temp.o
obj-$(CONFIG_SENSORS_LIS3LV02D) += lis3lv02d.o hp_accel.o
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 2988da150ed..05344af5073 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -53,6 +53,7 @@ struct coretemp_data {
struct mutex update_lock;
const char *name;
u32 id;
+ u16 core_id;
char valid; /* zero until following fields are valid */
unsigned long last_updated; /* in jiffies */
int temp;
@@ -75,7 +76,7 @@ static ssize_t show_name(struct device *dev, struct device_attribute
if (attr->index == SHOW_NAME)
ret = sprintf(buf, "%s\n", data->name);
else /* show label */
- ret = sprintf(buf, "Core %d\n", data->id);
+ ret = sprintf(buf, "Core %d\n", data->core_id);
return ret;
}
@@ -304,6 +305,9 @@ static int __devinit coretemp_probe(struct platform_device *pdev)
}
data->id = pdev->id;
+#ifdef CONFIG_SMP
+ data->core_id = c->cpu_core_id;
+#endif
data->name = "coretemp";
mutex_init(&data->update_lock);
@@ -405,6 +409,10 @@ struct pdev_entry {
struct list_head list;
struct platform_device *pdev;
unsigned int cpu;
+#ifdef CONFIG_SMP
+ u16 phys_proc_id;
+ u16 cpu_core_id;
+#endif
};
static LIST_HEAD(pdev_list);
@@ -415,6 +423,22 @@ static int __cpuinit coretemp_device_add(unsigned int cpu)
int err;
struct platform_device *pdev;
struct pdev_entry *pdev_entry;
+#ifdef CONFIG_SMP
+ struct cpuinfo_x86 *c = &cpu_data(cpu);
+#endif
+
+ mutex_lock(&pdev_list_mutex);
+
+#ifdef CONFIG_SMP
+ /* Skip second HT entry of each core */
+ list_for_each_entry(pdev_entry, &pdev_list, list) {
+ if (c->phys_proc_id == pdev_entry->phys_proc_id &&
+ c->cpu_core_id == pdev_entry->cpu_core_id) {
+ err = 0; /* Not an error */
+ goto exit;
+ }
+ }
+#endif
pdev = platform_device_alloc(DRVNAME, cpu);
if (!pdev) {
@@ -438,7 +462,10 @@ static int __cpuinit coretemp_device_add(unsigned int cpu)
pdev_entry->pdev = pdev;
pdev_entry->cpu = cpu;
- mutex_lock(&pdev_list_mutex);
+#ifdef CONFIG_SMP
+ pdev_entry->phys_proc_id = c->phys_proc_id;
+ pdev_entry->cpu_core_id = c->cpu_core_id;
+#endif
list_add_tail(&pdev_entry->list, &pdev_list);
mutex_unlock(&pdev_list_mutex);
@@ -449,6 +476,7 @@ exit_device_free:
exit_device_put:
platform_device_put(pdev);
exit:
+ mutex_unlock(&pdev_list_mutex);
return err;
}
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 5be09c048c5..25763d2223b 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -80,6 +80,13 @@ superio_inb(int reg)
return inb(VAL);
}
+static inline void
+superio_outb(int reg, int val)
+{
+ outb(reg, REG);
+ outb(val, VAL);
+}
+
static int superio_inw(int reg)
{
int val;
@@ -1517,6 +1524,21 @@ static int __init it87_find(unsigned short *address,
sio_data->vid_value = superio_inb(IT87_SIO_VID_REG);
reg = superio_inb(IT87_SIO_PINX2_REG);
+ /*
+ * The IT8720F has no VIN7 pin, so VCCH should always be
+ * routed internally to VIN7 with an internal divider.
+ * Curiously, there still is a configuration bit to control
+ * this, which means it can be set incorrectly. And even
+ * more curiously, many boards out there are improperly
+ * configured, even though the IT8720F datasheet claims
+ * that the internal routing of VCCH to VIN7 is the default
+ * setting. So we force the internal routing in this case.
+ */
+ if (sio_data->type == it8720 && !(reg & (1 << 1))) {
+ reg |= (1 << 1);
+ superio_outb(IT87_SIO_PINX2_REG, reg);
+ pr_notice("it87: Routing internal VCCH to in7\n");
+ }
if (reg & (1 << 0))
pr_info("it87: in3 is VCC (+5V)\n");
if (reg & (1 << 1))
diff --git a/drivers/hwmon/jz4740-hwmon.c b/drivers/hwmon/jz4740-hwmon.c
new file mode 100644
index 00000000000..1c8b3d9e205
--- /dev/null
+++ b/drivers/hwmon/jz4740-hwmon.c
@@ -0,0 +1,230 @@
+/*
+ * Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de>
+ * JZ4740 SoC HWMON driver
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <linux/err.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#include <linux/completion.h>
+#include <linux/mfd/core.h>
+
+#include <linux/hwmon.h>
+
+struct jz4740_hwmon {
+ struct resource *mem;
+ void __iomem *base;
+
+ int irq;
+
+ struct mfd_cell *cell;
+ struct device *hwmon;
+
+ struct completion read_completion;
+
+ struct mutex lock;
+};
+
+static ssize_t jz4740_hwmon_show_name(struct device *dev,
+ struct device_attribute *dev_attr, char *buf)
+{
+ return sprintf(buf, "jz4740\n");
+}
+
+static irqreturn_t jz4740_hwmon_irq(int irq, void *data)
+{
+ struct jz4740_hwmon *hwmon = data;
+
+ complete(&hwmon->read_completion);
+ return IRQ_HANDLED;
+}
+
+static ssize_t jz4740_hwmon_read_adcin(struct device *dev,
+ struct device_attribute *dev_attr, char *buf)
+{
+ struct jz4740_hwmon *hwmon = dev_get_drvdata(dev);
+ struct completion *completion = &hwmon->read_completion;
+ unsigned long t;
+ unsigned long val;
+ int ret;
+
+ mutex_lock(&hwmon->lock);
+
+ INIT_COMPLETION(*completion);
+
+ enable_irq(hwmon->irq);
+ hwmon->cell->enable(to_platform_device(dev));
+
+ t = wait_for_completion_interruptible_timeout(completion, HZ);
+
+ if (t > 0) {
+ val = readw(hwmon->base) & 0xfff;
+ val = (val * 3300) >> 12;
+ ret = sprintf(buf, "%lu\n", val);
+ } else {
+ ret = t ? t : -ETIMEDOUT;
+ }
+
+ hwmon->cell->disable(to_platform_device(dev));
+ disable_irq(hwmon->irq);
+
+ mutex_unlock(&hwmon->lock);
+
+ return ret;
+}
+
+static DEVICE_ATTR(name, S_IRUGO, jz4740_hwmon_show_name, NULL);
+static DEVICE_ATTR(in0_input, S_IRUGO, jz4740_hwmon_read_adcin, NULL);
+
+static struct attribute *jz4740_hwmon_attributes[] = {
+ &dev_attr_name.attr,
+ &dev_attr_in0_input.attr,
+ NULL
+};
+
+static const struct attribute_group jz4740_hwmon_attr_group = {
+ .attrs = jz4740_hwmon_attributes,
+};
+
+static int __devinit jz4740_hwmon_probe(struct platform_device *pdev)
+{
+ int ret;
+ struct jz4740_hwmon *hwmon;
+
+ hwmon = kmalloc(sizeof(*hwmon), GFP_KERNEL);
+ if (!hwmon) {
+ dev_err(&pdev->dev, "Failed to allocate driver structure\n");
+ return -ENOMEM;
+ }
+
+ hwmon->cell = pdev->dev.platform_data;
+
+ hwmon->irq = platform_get_irq(pdev, 0);
+ if (hwmon->irq < 0) {
+ ret = hwmon->irq;
+ dev_err(&pdev->dev, "Failed to get platform irq: %d\n", ret);
+ goto err_free;
+ }
+
+ hwmon->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!hwmon->mem) {
+ ret = -ENOENT;
+ dev_err(&pdev->dev, "Failed to get platform mmio resource\n");
+ goto err_free;
+ }
+
+ hwmon->mem = request_mem_region(hwmon->mem->start,
+ resource_size(hwmon->mem), pdev->name);
+ if (!hwmon->mem) {
+ ret = -EBUSY;
+ dev_err(&pdev->dev, "Failed to request mmio memory region\n");
+ goto err_free;
+ }
+
+ hwmon->base = ioremap_nocache(hwmon->mem->start,
+ resource_size(hwmon->mem));
+ if (!hwmon->base) {
+ ret = -EBUSY;
+ dev_err(&pdev->dev, "Failed to ioremap mmio memory\n");
+ goto err_release_mem_region;
+ }
+
+ init_completion(&hwmon->read_completion);
+ mutex_init(&hwmon->lock);
+
+ platform_set_drvdata(pdev, hwmon);
+
+ ret = request_irq(hwmon->irq, jz4740_hwmon_irq, 0, pdev->name, hwmon);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to request irq: %d\n", ret);
+ goto err_iounmap;
+ }
+ disable_irq(hwmon->irq);
+
+ ret = sysfs_create_group(&pdev->dev.kobj, &jz4740_hwmon_attr_group);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to create sysfs group: %d\n", ret);
+ goto err_free_irq;
+ }
+
+ hwmon->hwmon = hwmon_device_register(&pdev->dev);
+ if (IS_ERR(hwmon->hwmon)) {
+ ret = PTR_ERR(hwmon->hwmon);
+ goto err_remove_file;
+ }
+
+ return 0;
+
+err_remove_file:
+ sysfs_remove_group(&pdev->dev.kobj, &jz4740_hwmon_attr_group);
+err_free_irq:
+ free_irq(hwmon->irq, hwmon);
+err_iounmap:
+ platform_set_drvdata(pdev, NULL);
+ iounmap(hwmon->base);
+err_release_mem_region:
+ release_mem_region(hwmon->mem->start, resource_size(hwmon->mem));
+err_free:
+ kfree(hwmon);
+
+ return ret;
+}
+
+static int __devexit jz4740_hwmon_remove(struct platform_device *pdev)
+{
+ struct jz4740_hwmon *hwmon = platform_get_drvdata(pdev);
+
+ hwmon_device_unregister(hwmon->hwmon);
+ sysfs_remove_group(&pdev->dev.kobj, &jz4740_hwmon_attr_group);
+
+ free_irq(hwmon->irq, hwmon);
+
+ iounmap(hwmon->base);
+ release_mem_region(hwmon->mem->start, resource_size(hwmon->mem));
+
+ platform_set_drvdata(pdev, NULL);
+ kfree(hwmon);
+
+ return 0;
+}
+
+struct platform_driver jz4740_hwmon_driver = {
+ .probe = jz4740_hwmon_probe,
+ .remove = __devexit_p(jz4740_hwmon_remove),
+ .driver = {
+ .name = "jz4740-hwmon",
+ .owner = THIS_MODULE,
+ },
+};
+
+static int __init jz4740_hwmon_init(void)
+{
+ return platform_driver_register(&jz4740_hwmon_driver);
+}
+module_init(jz4740_hwmon_init);
+
+static void __exit jz4740_hwmon_exit(void)
+{
+ platform_driver_unregister(&jz4740_hwmon_driver);
+}
+module_exit(jz4740_hwmon_exit);
+
+MODULE_DESCRIPTION("JZ4740 SoC HWMON driver");
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:jz4740-hwmon");
diff --git a/drivers/hwmon/k8temp.c b/drivers/hwmon/k8temp.c
index f26acdb1168..8bdf80d9159 100644
--- a/drivers/hwmon/k8temp.c
+++ b/drivers/hwmon/k8temp.c
@@ -180,11 +180,13 @@ static int __devinit k8temp_probe(struct pci_dev *pdev,
}
if ((model >= 0x69) &&
- !(model == 0xc1 || model == 0x6c || model == 0x7c)) {
+ !(model == 0xc1 || model == 0x6c || model == 0x7c ||
+ model == 0x6b || model == 0x6f || model == 0x7f)) {
/*
- * RevG desktop CPUs (i.e. no socket S1G1 parts)
- * need additional offset, otherwise reported
- * temperature is below ambient temperature
+ * RevG desktop CPUs (i.e. no socket S1G1 or
+ * ASB1 parts) need additional offset,
+ * otherwise reported temperature is below
+ * ambient temperature
*/
data->temp_offset = 21000;
}
diff --git a/drivers/hwmon/ultra45_env.c b/drivers/hwmon/ultra45_env.c
index 5da5942cf97..89643261ccd 100644
--- a/drivers/hwmon/ultra45_env.c
+++ b/drivers/hwmon/ultra45_env.c
@@ -311,12 +311,12 @@ static struct of_platform_driver env_driver = {
static int __init env_init(void)
{
- return of_register_driver(&env_driver, &of_bus_type);
+ return of_register_platform_driver(&env_driver);
}
static void __exit env_exit(void)
{
- of_unregister_driver(&env_driver);
+ of_unregister_platform_driver(&env_driver);
}
module_init(env_init);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-10-30 13:21:46 +0000