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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2017-02-06 14:17:39 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2017-02-06 14:17:39 -0800
commitd5e6e0fa442a479e27dfb7d17aeef1260dc19b09 (patch)
treeb0a3d1b6c32335b009493d79b30f8e59ed60f269 /drivers/input/rmi4/rmi_f01.c
parent57b8443d3e5bd046a519ff714ca31c64c7f04309 (diff)
parentf32361b71ae5c81b8fb96f796ab947ba2ad17aa8 (diff)
downloadlinux-d5e6e0fa442a479e27dfb7d17aeef1260dc19b09.tar.bz2
Merge branch 'synaptics-rmi4' into next
Bring in latest RMI4 support in preparation to the merge window.
Diffstat (limited to 'drivers/input/rmi4/rmi_f01.c')
-rw-r--r--drivers/input/rmi4/rmi_f01.c104
1 files changed, 102 insertions, 2 deletions
diff --git a/drivers/input/rmi4/rmi_f01.c b/drivers/input/rmi4/rmi_f01.c
index 18baf4ceb940..7f7e9176f7ea 100644
--- a/drivers/input/rmi4/rmi_f01.c
+++ b/drivers/input/rmi4/rmi_f01.c
@@ -12,6 +12,7 @@
#include <linux/slab.h>
#include <linux/uaccess.h>
#include <linux/of.h>
+#include <asm/unaligned.h>
#include "rmi_driver.h"
#define RMI_PRODUCT_ID_LENGTH 10
@@ -54,6 +55,7 @@ struct f01_basic_properties {
u8 product_id[RMI_PRODUCT_ID_LENGTH + 1];
u16 productinfo;
u32 firmware_id;
+ u32 package_id;
};
/* F01 device status bits */
@@ -220,8 +222,19 @@ static int rmi_f01_read_properties(struct rmi_device *rmi_dev,
has_build_id_query = !!(queries[0] & BIT(1));
}
- if (has_package_id_query)
+ if (has_package_id_query) {
+ ret = rmi_read_block(rmi_dev, prod_info_addr,
+ queries, sizeof(__le64));
+ if (ret) {
+ dev_err(&rmi_dev->dev,
+ "Failed to read package info: %d\n",
+ ret);
+ return ret;
+ }
+
+ props->package_id = get_unaligned_le64(queries);
prod_info_addr++;
+ }
if (has_build_id_query) {
ret = rmi_read_block(rmi_dev, prod_info_addr, queries,
@@ -241,13 +254,90 @@ static int rmi_f01_read_properties(struct rmi_device *rmi_dev,
return 0;
}
-char *rmi_f01_get_product_ID(struct rmi_function *fn)
+const char *rmi_f01_get_product_ID(struct rmi_function *fn)
{
struct f01_data *f01 = dev_get_drvdata(&fn->dev);
return f01->properties.product_id;
}
+static ssize_t rmi_driver_manufacturer_id_show(struct device *dev,
+ struct device_attribute *dattr,
+ char *buf)
+{
+ struct rmi_driver_data *data = dev_get_drvdata(dev);
+ struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev);
+
+ return scnprintf(buf, PAGE_SIZE, "%d\n",
+ f01->properties.manufacturer_id);
+}
+
+static DEVICE_ATTR(manufacturer_id, 0444,
+ rmi_driver_manufacturer_id_show, NULL);
+
+static ssize_t rmi_driver_dom_show(struct device *dev,
+ struct device_attribute *dattr, char *buf)
+{
+ struct rmi_driver_data *data = dev_get_drvdata(dev);
+ struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev);
+
+ return scnprintf(buf, PAGE_SIZE, "%s\n", f01->properties.dom);
+}
+
+static DEVICE_ATTR(date_of_manufacture, 0444, rmi_driver_dom_show, NULL);
+
+static ssize_t rmi_driver_product_id_show(struct device *dev,
+ struct device_attribute *dattr,
+ char *buf)
+{
+ struct rmi_driver_data *data = dev_get_drvdata(dev);
+ struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev);
+
+ return scnprintf(buf, PAGE_SIZE, "%s\n", f01->properties.product_id);
+}
+
+static DEVICE_ATTR(product_id, 0444, rmi_driver_product_id_show, NULL);
+
+static ssize_t rmi_driver_firmware_id_show(struct device *dev,
+ struct device_attribute *dattr,
+ char *buf)
+{
+ struct rmi_driver_data *data = dev_get_drvdata(dev);
+ struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev);
+
+ return scnprintf(buf, PAGE_SIZE, "%d\n", f01->properties.firmware_id);
+}
+
+static DEVICE_ATTR(firmware_id, 0444, rmi_driver_firmware_id_show, NULL);
+
+static ssize_t rmi_driver_package_id_show(struct device *dev,
+ struct device_attribute *dattr,
+ char *buf)
+{
+ struct rmi_driver_data *data = dev_get_drvdata(dev);
+ struct f01_data *f01 = dev_get_drvdata(&data->f01_container->dev);
+
+ u32 package_id = f01->properties.package_id;
+
+ return scnprintf(buf, PAGE_SIZE, "%04x.%04x\n",
+ package_id & 0xffff, (package_id >> 16) & 0xffff);
+}
+
+static DEVICE_ATTR(package_id, 0444, rmi_driver_package_id_show, NULL);
+
+static struct attribute *rmi_f01_attrs[] = {
+ &dev_attr_manufacturer_id.attr,
+ &dev_attr_date_of_manufacture.attr,
+ &dev_attr_product_id.attr,
+ &dev_attr_firmware_id.attr,
+ &dev_attr_package_id.attr,
+ NULL
+};
+
+static struct attribute_group rmi_f01_attr_group = {
+ .attrs = rmi_f01_attrs,
+};
+
#ifdef CONFIG_OF
static int rmi_f01_of_probe(struct device *dev,
struct rmi_device_platform_data *pdata)
@@ -480,9 +570,18 @@ static int rmi_f01_probe(struct rmi_function *fn)
dev_set_drvdata(&fn->dev, f01);
+ error = sysfs_create_group(&fn->rmi_dev->dev.kobj, &rmi_f01_attr_group);
+ if (error)
+ dev_warn(&fn->dev, "Failed to create sysfs group: %d\n", error);
+
return 0;
}
+static void rmi_f01_remove(struct rmi_function *fn)
+{
+ sysfs_remove_group(&fn->rmi_dev->dev.kobj, &rmi_f01_attr_group);
+}
+
static int rmi_f01_config(struct rmi_function *fn)
{
struct f01_data *f01 = dev_get_drvdata(&fn->dev);
@@ -622,6 +721,7 @@ struct rmi_function_handler rmi_f01_handler = {
},
.func = 0x01,
.probe = rmi_f01_probe,
+ .remove = rmi_f01_remove,
.config = rmi_f01_config,
.attention = rmi_f01_attention,
.suspend = rmi_f01_suspend,