summaryrefslogtreecommitdiffstats
path: root/drivers/platform/x86
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/platform/x86')
-rw-r--r--drivers/platform/x86/Kconfig11
-rw-r--r--drivers/platform/x86/Makefile1
-rw-r--r--drivers/platform/x86/asus_acpi.c6
-rw-r--r--drivers/platform/x86/compal-laptop.c9
-rw-r--r--drivers/platform/x86/dell-laptop.c7
-rw-r--r--drivers/platform/x86/hp-wmi.c64
-rw-r--r--drivers/platform/x86/ideapad_acpi.c306
-rw-r--r--drivers/platform/x86/intel_ips.c15
-rw-r--r--drivers/platform/x86/intel_rar_register.c2
-rw-r--r--drivers/platform/x86/intel_scu_ipc.c2
-rw-r--r--drivers/platform/x86/thinkpad_acpi.c171
11 files changed, 461 insertions, 133 deletions
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 79baa6368f7..cff7cc2c1f0 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -219,6 +219,13 @@ config SONYPI_COMPAT
---help---
Build the sonypi driver compatibility code into the sony-laptop driver.
+config IDEAPAD_ACPI
+ tristate "Lenovo IdeaPad ACPI Laptop Extras"
+ depends on ACPI
+ depends on RFKILL
+ help
+ This is a driver for the rfkill switches on Lenovo IdeaPad netbooks.
+
config THINKPAD_ACPI
tristate "ThinkPad ACPI Laptop Extras"
depends on ACPI
@@ -479,10 +486,12 @@ config TOPSTAR_LAPTOP
config ACPI_TOSHIBA
tristate "Toshiba Laptop Extras"
depends on ACPI
+ depends on LEDS_CLASS
+ depends on NEW_LEDS
+ depends on BACKLIGHT_CLASS_DEVICE
depends on INPUT
depends on RFKILL || RFKILL = n
select INPUT_POLLDEV
- select BACKLIGHT_CLASS_DEVICE
---help---
This driver adds support for access to certain system settings
on "legacy free" Toshiba laptops. These laptops can be recognized by
diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile
index 4744c7744ff..85fb2b84f57 100644
--- a/drivers/platform/x86/Makefile
+++ b/drivers/platform/x86/Makefile
@@ -15,6 +15,7 @@ obj-$(CONFIG_ACERHDF) += acerhdf.o
obj-$(CONFIG_HP_WMI) += hp-wmi.o
obj-$(CONFIG_TC1100_WMI) += tc1100-wmi.o
obj-$(CONFIG_SONY_LAPTOP) += sony-laptop.o
+obj-$(CONFIG_IDEAPAD_ACPI) += ideapad_acpi.o
obj-$(CONFIG_THINKPAD_ACPI) += thinkpad_acpi.o
obj-$(CONFIG_FUJITSU_LAPTOP) += fujitsu-laptop.o
obj-$(CONFIG_PANASONIC_LAPTOP) += panasonic-laptop.o
diff --git a/drivers/platform/x86/asus_acpi.c b/drivers/platform/x86/asus_acpi.c
index e058c2ba2a1..ca05aefd03b 100644
--- a/drivers/platform/x86/asus_acpi.c
+++ b/drivers/platform/x86/asus_acpi.c
@@ -938,10 +938,11 @@ static int set_brightness(int value)
/* SPLV laptop */
if (hotk->methods->brightness_set) {
if (!write_acpi_int(hotk->handle, hotk->methods->brightness_set,
- value, NULL))
+ value, NULL)) {
printk(KERN_WARNING
"Asus ACPI: Error changing brightness\n");
ret = -EIO;
+ }
goto out;
}
@@ -953,10 +954,11 @@ static int set_brightness(int value)
hotk->methods->brightness_down,
NULL, NULL);
(value > 0) ? value-- : value++;
- if (ACPI_FAILURE(status))
+ if (ACPI_FAILURE(status)) {
printk(KERN_WARNING
"Asus ACPI: Error changing brightness\n");
ret = -EIO;
+ }
}
out:
return ret;
diff --git a/drivers/platform/x86/compal-laptop.c b/drivers/platform/x86/compal-laptop.c
index d071ce05632..097083cac41 100644
--- a/drivers/platform/x86/compal-laptop.c
+++ b/drivers/platform/x86/compal-laptop.c
@@ -841,6 +841,14 @@ static struct dmi_system_id __initdata compal_dmi_table[] = {
.callback = dmi_check_cb
},
{
+ .ident = "Dell Mini 1012",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1012"),
+ },
+ .callback = dmi_check_cb
+ },
+ {
.ident = "Dell Inspiron 11z",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
@@ -1092,5 +1100,6 @@ MODULE_ALIAS("dmi:*:rnJHL90:rvrREFERENCE:*");
MODULE_ALIAS("dmi:*:svnDellInc.:pnInspiron910:*");
MODULE_ALIAS("dmi:*:svnDellInc.:pnInspiron1010:*");
MODULE_ALIAS("dmi:*:svnDellInc.:pnInspiron1011:*");
+MODULE_ALIAS("dmi:*:svnDellInc.:pnInspiron1012:*");
MODULE_ALIAS("dmi:*:svnDellInc.:pnInspiron1110:*");
MODULE_ALIAS("dmi:*:svnDellInc.:pnInspiron1210:*");
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index b41ed5cab3e..4413975912e 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -122,6 +122,13 @@ static struct dmi_system_id __devinitdata dell_blacklist[] = {
},
},
{
+ .ident = "Dell Mini 1012",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1012"),
+ },
+ },
+ {
.ident = "Dell Inspiron 11z",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index f1551637498..c1741142a4c 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -79,12 +79,13 @@ struct bios_args {
u32 command;
u32 commandtype;
u32 datasize;
- char *data;
+ u32 data;
};
struct bios_return {
u32 sigpass;
u32 return_code;
+ u32 value;
};
struct key_entry {
@@ -148,7 +149,7 @@ static struct platform_driver hp_wmi_driver = {
* buffer = kzalloc(128, GFP_KERNEL);
* ret = hp_wmi_perform_query(0x7, 0, buffer, 128)
*/
-static int hp_wmi_perform_query(int query, int write, char *buffer,
+static int hp_wmi_perform_query(int query, int write, u32 *buffer,
int buffersize)
{
struct bios_return bios_return;
@@ -159,7 +160,7 @@ static int hp_wmi_perform_query(int query, int write, char *buffer,
.command = write ? 0x2 : 0x1,
.commandtype = query,
.datasize = buffersize,
- .data = buffer,
+ .data = *buffer,
};
struct acpi_buffer input = { sizeof(struct bios_args), &args };
struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
@@ -177,29 +178,14 @@ static int hp_wmi_perform_query(int query, int write, char *buffer,
bios_return = *((struct bios_return *)obj->buffer.pointer);
- if (bios_return.return_code) {
- printk(KERN_WARNING PREFIX "Query %d returned %d\n", query,
- bios_return.return_code);
- kfree(obj);
- return bios_return.return_code;
- }
- if (obj->buffer.length - sizeof(bios_return) > buffersize) {
- kfree(obj);
- return -EINVAL;
- }
-
- memset(buffer, 0, buffersize);
- memcpy(buffer,
- ((char *)obj->buffer.pointer) + sizeof(struct bios_return),
- obj->buffer.length - sizeof(bios_return));
- kfree(obj);
+ memcpy(buffer, &bios_return.value, sizeof(bios_return.value));
return 0;
}
static int hp_wmi_display_state(void)
{
- int state;
- int ret = hp_wmi_perform_query(HPWMI_DISPLAY_QUERY, 0, (char *)&state,
+ int state = 0;
+ int ret = hp_wmi_perform_query(HPWMI_DISPLAY_QUERY, 0, &state,
sizeof(state));
if (ret)
return -EINVAL;
@@ -208,8 +194,8 @@ static int hp_wmi_display_state(void)
static int hp_wmi_hddtemp_state(void)
{
- int state;
- int ret = hp_wmi_perform_query(HPWMI_HDDTEMP_QUERY, 0, (char *)&state,
+ int state = 0;
+ int ret = hp_wmi_perform_query(HPWMI_HDDTEMP_QUERY, 0, &state,
sizeof(state));
if (ret)
return -EINVAL;
@@ -218,8 +204,8 @@ static int hp_wmi_hddtemp_state(void)
static int hp_wmi_als_state(void)
{
- int state;
- int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, 0, (char *)&state,
+ int state = 0;
+ int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, 0, &state,
sizeof(state));
if (ret)
return -EINVAL;
@@ -228,8 +214,8 @@ static int hp_wmi_als_state(void)
static int hp_wmi_dock_state(void)
{
- int state;
- int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, 0, (char *)&state,
+ int state = 0;
+ int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, 0, &state,
sizeof(state));
if (ret)
@@ -240,8 +226,8 @@ static int hp_wmi_dock_state(void)
static int hp_wmi_tablet_state(void)
{
- int state;
- int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, 0, (char *)&state,
+ int state = 0;
+ int ret = hp_wmi_perform_query(HPWMI_HARDWARE_QUERY, 0, &state,
sizeof(state));
if (ret)
return ret;
@@ -256,7 +242,7 @@ static int hp_wmi_set_block(void *data, bool blocked)
int ret;
ret = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1,
- (char *)&query, sizeof(query));
+ &query, sizeof(query));
if (ret)
return -EINVAL;
return 0;
@@ -268,10 +254,10 @@ static const struct rfkill_ops hp_wmi_rfkill_ops = {
static bool hp_wmi_get_sw_state(enum hp_wmi_radio r)
{
- int wireless;
+ int wireless = 0;
int mask;
hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0,
- (char *)&wireless, sizeof(wireless));
+ &wireless, sizeof(wireless));
/* TBD: Pass error */
mask = 0x200 << (r * 8);
@@ -284,10 +270,10 @@ static bool hp_wmi_get_sw_state(enum hp_wmi_radio r)
static bool hp_wmi_get_hw_state(enum hp_wmi_radio r)
{
- int wireless;
+ int wireless = 0;
int mask;
hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0,
- (char *)&wireless, sizeof(wireless));
+ &wireless, sizeof(wireless));
/* TBD: Pass error */
mask = 0x800 << (r * 8);
@@ -347,7 +333,7 @@ static ssize_t set_als(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
u32 tmp = simple_strtoul(buf, NULL, 10);
- int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, 1, (char *)&tmp,
+ int ret = hp_wmi_perform_query(HPWMI_ALS_QUERY, 1, &tmp,
sizeof(tmp));
if (ret)
return -EINVAL;
@@ -421,7 +407,7 @@ static void hp_wmi_notify(u32 value, void *context)
static struct key_entry *key;
union acpi_object *obj;
u32 event_id, event_data;
- int key_code, ret;
+ int key_code = 0, ret;
u32 *location;
acpi_status status;
@@ -475,7 +461,7 @@ static void hp_wmi_notify(u32 value, void *context)
break;
case HPWMI_BEZEL_BUTTON:
ret = hp_wmi_perform_query(HPWMI_HOTKEY_QUERY, 0,
- (char *)&key_code,
+ &key_code,
sizeof(key_code));
if (ret)
break;
@@ -578,9 +564,9 @@ static void cleanup_sysfs(struct platform_device *device)
static int __devinit hp_wmi_bios_setup(struct platform_device *device)
{
int err;
- int wireless;
+ int wireless = 0;
- err = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, (char *)&wireless,
+ err = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, &wireless,
sizeof(wireless));
if (err)
return err;
diff --git a/drivers/platform/x86/ideapad_acpi.c b/drivers/platform/x86/ideapad_acpi.c
new file mode 100644
index 00000000000..798496353e8
--- /dev/null
+++ b/drivers/platform/x86/ideapad_acpi.c
@@ -0,0 +1,306 @@
+/*
+ * ideapad_acpi.c - Lenovo IdeaPad ACPI Extras
+ *
+ * Copyright © 2010 Intel Corporation
+ * Copyright © 2010 David Woodhouse <dwmw2@infradead.org>
+ *
+ * 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.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <acpi/acpi_bus.h>
+#include <acpi/acpi_drivers.h>
+#include <linux/rfkill.h>
+
+#define IDEAPAD_DEV_CAMERA 0
+#define IDEAPAD_DEV_WLAN 1
+#define IDEAPAD_DEV_BLUETOOTH 2
+#define IDEAPAD_DEV_3G 3
+#define IDEAPAD_DEV_KILLSW 4
+
+struct ideapad_private {
+ struct rfkill *rfk[5];
+};
+
+static struct {
+ char *name;
+ int type;
+} ideapad_rfk_data[] = {
+ /* camera has no rfkill */
+ { "ideapad_wlan", RFKILL_TYPE_WLAN },
+ { "ideapad_bluetooth", RFKILL_TYPE_BLUETOOTH },
+ { "ideapad_3g", RFKILL_TYPE_WWAN },
+ { "ideapad_killsw", RFKILL_TYPE_WLAN }
+};
+
+static int ideapad_dev_exists(int device)
+{
+ acpi_status status;
+ union acpi_object in_param;
+ struct acpi_object_list input = { 1, &in_param };
+ struct acpi_buffer output;
+ union acpi_object out_obj;
+
+ output.length = sizeof(out_obj);
+ output.pointer = &out_obj;
+
+ in_param.type = ACPI_TYPE_INTEGER;
+ in_param.integer.value = device + 1;
+
+ status = acpi_evaluate_object(NULL, "\\_SB_.DECN", &input, &output);
+ if (ACPI_FAILURE(status)) {
+ printk(KERN_WARNING "IdeaPAD \\_SB_.DECN method failed %d. Is this an IdeaPAD?\n", status);
+ return -ENODEV;
+ }
+ if (out_obj.type != ACPI_TYPE_INTEGER) {
+ printk(KERN_WARNING "IdeaPAD \\_SB_.DECN method returned unexpected type\n");
+ return -ENODEV;
+ }
+ return out_obj.integer.value;
+}
+
+static int ideapad_dev_get_state(int device)
+{
+ acpi_status status;
+ union acpi_object in_param;
+ struct acpi_object_list input = { 1, &in_param };
+ struct acpi_buffer output;
+ union acpi_object out_obj;
+
+ output.length = sizeof(out_obj);
+ output.pointer = &out_obj;
+
+ in_param.type = ACPI_TYPE_INTEGER;
+ in_param.integer.value = device + 1;
+
+ status = acpi_evaluate_object(NULL, "\\_SB_.GECN", &input, &output);
+ if (ACPI_FAILURE(status)) {
+ printk(KERN_WARNING "IdeaPAD \\_SB_.GECN method failed %d\n", status);
+ return -ENODEV;
+ }
+ if (out_obj.type != ACPI_TYPE_INTEGER) {
+ printk(KERN_WARNING "IdeaPAD \\_SB_.GECN method returned unexpected type\n");
+ return -ENODEV;
+ }
+ return out_obj.integer.value;
+}
+
+static int ideapad_dev_set_state(int device, int state)
+{
+ acpi_status status;
+ union acpi_object in_params[2];
+ struct acpi_object_list input = { 2, in_params };
+
+ in_params[0].type = ACPI_TYPE_INTEGER;
+ in_params[0].integer.value = device + 1;
+ in_params[1].type = ACPI_TYPE_INTEGER;
+ in_params[1].integer.value = state;
+
+ status = acpi_evaluate_object(NULL, "\\_SB_.SECN", &input, NULL);
+ if (ACPI_FAILURE(status)) {
+ printk(KERN_WARNING "IdeaPAD \\_SB_.SECN method failed %d\n", status);
+ return -ENODEV;
+ }
+ return 0;
+}
+static ssize_t show_ideapad_cam(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ int state = ideapad_dev_get_state(IDEAPAD_DEV_CAMERA);
+ if (state < 0)
+ return state;
+
+ return sprintf(buf, "%d\n", state);
+}
+
+static ssize_t store_ideapad_cam(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ int ret, state;
+
+ if (!count)
+ return 0;
+ if (sscanf(buf, "%i", &state) != 1)
+ return -EINVAL;
+ ret = ideapad_dev_set_state(IDEAPAD_DEV_CAMERA, !!state);
+ if (ret < 0)
+ return ret;
+ return count;
+}
+
+static DEVICE_ATTR(camera_power, 0644, show_ideapad_cam, store_ideapad_cam);
+
+static int ideapad_rfk_set(void *data, bool blocked)
+{
+ int device = (unsigned long)data;
+
+ if (device == IDEAPAD_DEV_KILLSW)
+ return -EINVAL;
+ return ideapad_dev_set_state(device, !blocked);
+}
+
+static struct rfkill_ops ideapad_rfk_ops = {
+ .set_block = ideapad_rfk_set,
+};
+
+static void ideapad_sync_rfk_state(struct acpi_device *adevice)
+{
+ struct ideapad_private *priv = dev_get_drvdata(&adevice->dev);
+ int hw_blocked = !ideapad_dev_get_state(IDEAPAD_DEV_KILLSW);
+ int i;
+
+ rfkill_set_hw_state(priv->rfk[IDEAPAD_DEV_KILLSW], hw_blocked);
+ for (i = IDEAPAD_DEV_WLAN; i < IDEAPAD_DEV_KILLSW; i++)
+ if (priv->rfk[i])
+ rfkill_set_hw_state(priv->rfk[i], hw_blocked);
+ if (hw_blocked)
+ return;
+
+ for (i = IDEAPAD_DEV_WLAN; i < IDEAPAD_DEV_KILLSW; i++)
+ if (priv->rfk[i])
+ rfkill_set_sw_state(priv->rfk[i], !ideapad_dev_get_state(i));
+}
+
+static int ideapad_register_rfkill(struct acpi_device *adevice, int dev)
+{
+ struct ideapad_private *priv = dev_get_drvdata(&adevice->dev);
+ int ret;
+
+ priv->rfk[dev] = rfkill_alloc(ideapad_rfk_data[dev-1].name, &adevice->dev,
+ ideapad_rfk_data[dev-1].type, &ideapad_rfk_ops,
+ (void *)(long)dev);
+ if (!priv->rfk[dev])
+ return -ENOMEM;
+
+ ret = rfkill_register(priv->rfk[dev]);
+ if (ret) {
+ rfkill_destroy(priv->rfk[dev]);
+ return ret;
+ }
+ return 0;
+}
+
+static void ideapad_unregister_rfkill(struct acpi_device *adevice, int dev)
+{
+ struct ideapad_private *priv = dev_get_drvdata(&adevice->dev);
+
+ if (!priv->rfk[dev])
+ return;
+
+ rfkill_unregister(priv->rfk[dev]);
+ rfkill_destroy(priv->rfk[dev]);
+}
+
+static const struct acpi_device_id ideapad_device_ids[] = {
+ { "VPC2004", 0},
+ { "", 0},
+};
+MODULE_DEVICE_TABLE(acpi, ideapad_device_ids);
+
+static int ideapad_acpi_add(struct acpi_device *adevice)
+{
+ int i;
+ int devs_present[5];
+ struct ideapad_private *priv;
+
+ for (i = IDEAPAD_DEV_CAMERA; i < IDEAPAD_DEV_KILLSW; i++) {
+ devs_present[i] = ideapad_dev_exists(i);
+ if (devs_present[i] < 0)
+ return devs_present[i];
+ }
+
+ /* The hardware switch is always present */
+ devs_present[IDEAPAD_DEV_KILLSW] = 1;
+
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ if (devs_present[IDEAPAD_DEV_CAMERA]) {
+ int ret = device_create_file(&adevice->dev, &dev_attr_camera_power);
+ if (ret) {
+ kfree(priv);
+ return ret;
+ }
+ }
+
+ dev_set_drvdata(&adevice->dev, priv);
+ for (i = IDEAPAD_DEV_WLAN; i <= IDEAPAD_DEV_KILLSW; i++) {
+ if (!devs_present[i])
+ continue;
+
+ ideapad_register_rfkill(adevice, i);
+ }
+ ideapad_sync_rfk_state(adevice);
+ return 0;
+}
+
+static int ideapad_acpi_remove(struct acpi_device *adevice, int type)
+{
+ struct ideapad_private *priv = dev_get_drvdata(&adevice->dev);
+ int i;
+
+ device_remove_file(&adevice->dev, &dev_attr_camera_power);
+
+ for (i = IDEAPAD_DEV_WLAN; i <= IDEAPAD_DEV_KILLSW; i++)
+ ideapad_unregister_rfkill(adevice, i);
+
+ dev_set_drvdata(&adevice->dev, NULL);
+ kfree(priv);
+ return 0;
+}
+
+static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event)
+{
+ ideapad_sync_rfk_state(adevice);
+}
+
+static struct acpi_driver ideapad_acpi_driver = {
+ .name = "ideapad_acpi",
+ .class = "IdeaPad",
+ .ids = ideapad_device_ids,
+ .ops.add = ideapad_acpi_add,
+ .ops.remove = ideapad_acpi_remove,
+ .ops.notify = ideapad_acpi_notify,
+ .owner = THIS_MODULE,
+};
+
+
+static int __init ideapad_acpi_module_init(void)
+{
+ acpi_bus_register_driver(&ideapad_acpi_driver);
+
+ return 0;
+}
+
+
+static void __exit ideapad_acpi_module_exit(void)
+{
+ acpi_bus_unregister_driver(&ideapad_acpi_driver);
+
+}
+
+MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>");
+MODULE_DESCRIPTION("IdeaPad ACPI Extras");
+MODULE_LICENSE("GPL");
+
+module_init(ideapad_acpi_module_init);
+module_exit(ideapad_acpi_module_exit);
diff --git a/drivers/platform/x86/intel_ips.c b/drivers/platform/x86/intel_ips.c
index afe82e50dfe..9024480a822 100644
--- a/drivers/platform/x86/intel_ips.c
+++ b/drivers/platform/x86/intel_ips.c
@@ -1342,8 +1342,10 @@ static struct ips_mcp_limits *ips_detect_cpu(struct ips_driver *ips)
limits = &ips_lv_limits;
else if (strstr(boot_cpu_data.x86_model_id, "CPU U"))
limits = &ips_ulv_limits;
- else
+ else {
dev_info(&ips->dev->dev, "No CPUID match found.\n");
+ goto out;
+ }
rdmsrl(TURBO_POWER_CURRENT_LIMIT, turbo_power);
tdp = turbo_power & TURBO_TDP_MASK;
@@ -1432,6 +1434,12 @@ static int ips_probe(struct pci_dev *dev, const struct pci_device_id *id)
spin_lock_init(&ips->turbo_status_lock);
+ ret = pci_enable_device(dev);
+ if (ret) {
+ dev_err(&dev->dev, "can't enable PCI device, aborting\n");
+ goto error_free;
+ }
+
if (!pci_resource_start(dev, 0)) {
dev_err(&dev->dev, "TBAR not assigned, aborting\n");
ret = -ENXIO;
@@ -1444,11 +1452,6 @@ static int ips_probe(struct pci_dev *dev, const struct pci_device_id *id)
goto error_free;
}
- ret = pci_enable_device(dev);
- if (ret) {
- dev_err(&dev->dev, "can't enable PCI device, aborting\n");
- goto error_free;
- }
ips->regmap = ioremap(pci_resource_start(dev, 0),
pci_resource_len(dev, 0));
diff --git a/drivers/platform/x86/intel_rar_register.c b/drivers/platform/x86/intel_rar_register.c
index 73f8e6d7266..2b11a33325e 100644
--- a/drivers/platform/x86/intel_rar_register.c
+++ b/drivers/platform/x86/intel_rar_register.c
@@ -145,7 +145,7 @@ static void free_rar_device(struct rar_device *rar)
*/
static struct rar_device *_rar_to_device(int rar, int *off)
{
- if (rar >= 0 && rar <= 3) {
+ if (rar >= 0 && rar < MRST_NUM_RAR) {
*off = rar;
return &my_rar_device;
}
diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c
index 943f9084dcb..6abe18e638e 100644
--- a/drivers/platform/x86/intel_scu_ipc.c
+++ b/drivers/platform/x86/intel_scu_ipc.c
@@ -487,7 +487,7 @@ int intel_scu_ipc_i2c_cntrl(u32 addr, u32 *data)
mdelay(1);
*data = readl(ipcdev.i2c_base + I2C_DATA_ADDR);
} else if (cmd == IPC_I2C_WRITE) {
- writel(addr, ipcdev.i2c_base + I2C_DATA_ADDR);
+ writel(*data, ipcdev.i2c_base + I2C_DATA_ADDR);
mdelay(1);
writel(addr, ipcdev.i2c_base + IPC_I2C_CNTRL_ADDR);
} else {
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 5d6119bed00..e35ed128bde 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -1911,6 +1911,17 @@ enum { /* hot key scan codes (derived from ACPI DSDT) */
TP_ACPI_HOTKEYSCAN_VOLUMEDOWN,
TP_ACPI_HOTKEYSCAN_MUTE,
TP_ACPI_HOTKEYSCAN_THINKPAD,
+ TP_ACPI_HOTKEYSCAN_UNK1,
+ TP_ACPI_HOTKEYSCAN_UNK2,
+ TP_ACPI_HOTKEYSCAN_UNK3,
+ TP_ACPI_HOTKEYSCAN_UNK4,
+ TP_ACPI_HOTKEYSCAN_UNK5,
+ TP_ACPI_HOTKEYSCAN_UNK6,
+ TP_ACPI_HOTKEYSCAN_UNK7,
+ TP_ACPI_HOTKEYSCAN_UNK8,
+
+ /* Hotkey keymap size */
+ TPACPI_HOTKEY_MAP_LEN
};
enum { /* Keys/events available through NVRAM polling */
@@ -3082,6 +3093,8 @@ static const struct tpacpi_quirk tpacpi_hotkey_qtable[] __initconst = {
TPACPI_Q_IBM('1', 'D', TPACPI_HK_Q_INIMASK), /* X22, X23, X24 */
};
+typedef u16 tpacpi_keymap_t[TPACPI_HOTKEY_MAP_LEN];
+
static int __init hotkey_init(struct ibm_init_struct *iibm)
{
/* Requirements for changing the default keymaps:
@@ -3113,9 +3126,17 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
* If the above is too much to ask, don't change the keymap.
* Ask the thinkpad-acpi maintainer to do it, instead.
*/
- static u16 ibm_keycode_map[] __initdata = {
+
+ enum keymap_index {
+ TPACPI_KEYMAP_IBM_GENERIC = 0,
+ TPACPI_KEYMAP_LENOVO_GENERIC,
+ };
+
+ static const tpacpi_keymap_t tpacpi_keymaps[] __initconst = {
+ /* Generic keymap for IBM ThinkPads */
+ [TPACPI_KEYMAP_IBM_GENERIC] = {
/* Scan Codes 0x00 to 0x0B: ACPI HKEY FN+F1..F12 */
- KEY_FN_F1, KEY_FN_F2, KEY_COFFEE, KEY_SLEEP,
+ KEY_FN_F1, KEY_BATTERY, KEY_COFFEE, KEY_SLEEP,
KEY_WLAN, KEY_FN_F6, KEY_SWITCHVIDEOMODE, KEY_FN_F8,
KEY_FN_F9, KEY_FN_F10, KEY_FN_F11, KEY_SUSPEND,
@@ -3146,11 +3167,13 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
/* (assignments unknown, please report if found) */
KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
- };
- static u16 lenovo_keycode_map[] __initdata = {
+ },
+
+ /* Generic keymap for Lenovo ThinkPads */
+ [TPACPI_KEYMAP_LENOVO_GENERIC] = {
/* Scan Codes 0x00 to 0x0B: ACPI HKEY FN+F1..F12 */
KEY_FN_F1, KEY_COFFEE, KEY_BATTERY, KEY_SLEEP,
- KEY_WLAN, KEY_FN_F6, KEY_SWITCHVIDEOMODE, KEY_FN_F8,
+ KEY_WLAN, KEY_CAMERA, KEY_SWITCHVIDEOMODE, KEY_FN_F8,
KEY_FN_F9, KEY_FN_F10, KEY_FN_F11, KEY_SUSPEND,
/* Scan codes 0x0C to 0x1F: Other ACPI HKEY hot keys */
@@ -3189,11 +3212,25 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
/* (assignments unknown, please report if found) */
KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
+ },
+ };
+
+ static const struct tpacpi_quirk tpacpi_keymap_qtable[] __initconst = {
+ /* Generic maps (fallback) */
+ {
+ .vendor = PCI_VENDOR_ID_IBM,
+ .bios = TPACPI_MATCH_ANY, .ec = TPACPI_MATCH_ANY,
+ .quirks = TPACPI_KEYMAP_IBM_GENERIC,
+ },
+ {
+ .vendor = PCI_VENDOR_ID_LENOVO,
+ .bios = TPACPI_MATCH_ANY, .ec = TPACPI_MATCH_ANY,
+ .quirks = TPACPI_KEYMAP_LENOVO_GENERIC,
+ },
};
-#define TPACPI_HOTKEY_MAP_LEN ARRAY_SIZE(ibm_keycode_map)
-#define TPACPI_HOTKEY_MAP_SIZE sizeof(ibm_keycode_map)
-#define TPACPI_HOTKEY_MAP_TYPESIZE sizeof(ibm_keycode_map[0])
+#define TPACPI_HOTKEY_MAP_SIZE sizeof(tpacpi_keymap_t)
+#define TPACPI_HOTKEY_MAP_TYPESIZE sizeof(tpacpi_keymap_t[0])
int res, i;
int status;
@@ -3202,6 +3239,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
bool tabletsw_state = false;
unsigned long quirks;
+ unsigned long keymap_id;
vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
"initializing hotkey subdriver\n");
@@ -3342,7 +3380,6 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
goto err_exit;
/* Set up key map */
-
hotkey_keycode_map = kmalloc(TPACPI_HOTKEY_MAP_SIZE,
GFP_KERNEL);
if (!hotkey_keycode_map) {
@@ -3352,17 +3389,14 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
goto err_exit;
}
- if (tpacpi_is_lenovo()) {
- dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
- "using Lenovo default hot key map\n");
- memcpy(hotkey_keycode_map, &lenovo_keycode_map,
- TPACPI_HOTKEY_MAP_SIZE);
- } else {
- dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
- "using IBM default hot key map\n");
- memcpy(hotkey_keycode_map, &ibm_keycode_map,
- TPACPI_HOTKEY_MAP_SIZE);
- }
+ keymap_id = tpacpi_check_quirks(tpacpi_keymap_qtable,
+ ARRAY_SIZE(tpacpi_keymap_qtable));
+ BUG_ON(keymap_id >= ARRAY_SIZE(tpacpi_keymaps));
+ dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
+ "using keymap number %lu\n", keymap_id);
+
+ memcpy(hotkey_keycode_map, &tpacpi_keymaps[keymap_id],
+ TPACPI_HOTKEY_MAP_SIZE);
input_set_capability(tpacpi_inputdev, EV_MSC, MSC_SCAN);
tpacpi_inputdev->keycodesize = TPACPI_HOTKEY_MAP_TYPESIZE;
@@ -3469,7 +3503,8 @@ static bool hotkey_notify_hotkey(const u32 hkey,
*send_acpi_ev = true;
*ignore_acpi_ev = false;
- if (scancode > 0 && scancode < 0x21) {
+ /* HKEY event 0x1001 is scancode 0x00 */
+ if (scancode > 0 && scancode <= TPACPI_HOTKEY_MAP_LEN) {
scancode--;
if (!(hotkey_source_mask & (1 << scancode))) {
tpacpi_input_send_key_masked(scancode);
@@ -6080,13 +6115,18 @@ static struct backlight_ops ibm_backlight_data = {
/* --------------------------------------------------------------------- */
+/*
+ * Call _BCL method of video device. On some ThinkPads this will
+ * switch the firmware to the ACPI brightness control mode.
+ */
+
static int __init tpacpi_query_bcl_levels(acpi_handle handle)
{
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *obj;
int rc;
- if (ACPI_SUCCESS(acpi_evaluate_object(handle, NULL, NULL, &buffer))) {
+ if (ACPI_SUCCESS(acpi_evaluate_object(handle, "_BCL", NULL, &buffer))) {
obj = (union acpi_object *)buffer.pointer;
if (!obj || (obj->type != ACPI_TYPE_PACKAGE)) {
printk(TPACPI_ERR "Unknown _BCL data, "
@@ -6103,55 +6143,22 @@ static int __init tpacpi_query_bcl_levels(acpi_handle handle)
return rc;
}
-static acpi_status __init tpacpi_acpi_walk_find_bcl(acpi_handle handle,
- u32 lvl, void *context, void **rv)
-{
- char name[ACPI_PATH_SEGMENT_LENGTH];
- struct acpi_buffer buffer = { sizeof(name), &name };
-
- if (ACPI_SUCCESS(acpi_get_name(handle, ACPI_SINGLE_NAME, &buffer)) &&
- !strncmp("_BCL", name, sizeof(name) - 1)) {
- BUG_ON(!rv || !*rv);
- **(int **)rv = tpacpi_query_bcl_levels(handle);
- return AE_CTRL_TERMINATE;
- } else {
- return AE_OK;
- }
-}
/*
* Returns 0 (no ACPI _BCL or _BCL invalid), or size of brightness map
*/
static unsigned int __init tpacpi_check_std_acpi_brightness_support(void)
{
- int status;
+ acpi_handle video_device;
int bcl_levels = 0;
- void *bcl_ptr = &bcl_levels;
-
- if (!vid_handle)
- TPACPI_ACPIHANDLE_INIT(vid);
-
- if (!vid_handle)
- return 0;
-
- /*
- * Search for a _BCL method, and execute it. This is safe on all
- * ThinkPads, and as a side-effect, _BCL will place a Lenovo Vista
- * BIOS in ACPI backlight control mode. We do NOT have to care
- * about calling the _BCL method in an enabled video device, any
- * will do for our purposes.
- */
- status = acpi_walk_namespace(ACPI_TYPE_METHOD, vid_handle, 3,
- tpacpi_acpi_walk_find_bcl, NULL, NULL,
- &bcl_ptr);
+ tpacpi_acpi_handle_locate("video", ACPI_VIDEO_HID, &video_device);
+ if (video_device)
+ bcl_levels = tpacpi_query_bcl_levels(video_device);
- if (ACPI_SUCCESS(status) && bcl_levels > 2) {
- tp_features.bright_acpimode = 1;
- return bcl_levels - 2;
- }
+ tp_features.bright_acpimode = (bcl_levels > 0);
- return 0;
+ return (bcl_levels > 2) ? (bcl_levels - 2) : 0;
}
/*
@@ -6244,28 +6251,6 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
if (tp_features.bright_unkfw)
return 1;
- if (tp_features.bright_acpimode) {
- if (acpi_video_backlight_support()) {
- if (brightness_enable > 1) {
- printk(TPACPI_NOTICE
- "Standard ACPI backlight interface "
- "available, not loading native one.\n");
- return 1;
- } else if (brightness_enable == 1) {
- printk(TPACPI_NOTICE
- "Backlight control force enabled, even if standard "
- "ACPI backlight interface is available\n");
- }
- } else {
- if (brightness_enable > 1) {
- printk(TPACPI_NOTICE
- "Standard ACPI backlight interface not "
- "available, thinkpad_acpi native "
- "brightness control enabled\n");
- }
- }
- }
-
if (!brightness_enable) {
dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_BRGHT,
"brightness support disabled by "
@@ -6273,6 +6258,26 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
return 1;
}
+ if (acpi_video_backlight_support()) {
+ if (brightness_enable > 1) {
+ printk(TPACPI_INFO
+ "Standard ACPI backlight interface "
+ "available, not loading native one.\n");
+ return 1;
+ } else if (brightness_enable == 1) {
+ printk(TPACPI_WARN
+ "Cannot enable backlight brightness support, "
+ "ACPI is already handling it. Refer to the "
+ "acpi_backlight kernel parameter\n");
+ return 1;
+ }
+ } else if (tp_features.bright_acpimode && brightness_enable > 1) {
+ printk(TPACPI_NOTICE
+ "Standard ACPI backlight interface not "
+ "available, thinkpad_acpi native "
+ "brightness control enabled\n");
+ }
+
/*
* Check for module parameter bogosity, note that we
* init brightness_mode to TPACPI_BRGHT_MODE_MAX in order to be
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-24 19:38:21 +0000