Add MSI Wind U90/U100 to separate DMI table, add U90/U100 specific
workarounds and add some missing EC features support such as basic fan
control, turbo and ECO modes and touchpad state.
Signed-off-by: Maxim Mikityanskiy <maxtram95@xxxxxxxxx>
---
drivers/platform/x86/msi-laptop.c | 199 ++++++++++++++++++++++++++++++++------
1 file changed, 171 insertions(+), 28 deletions(-)
diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c
index 3b6f494..16e9863 100644
--- a/drivers/platform/x86/msi-laptop.c
+++ b/drivers/platform/x86/msi-laptop.c
@@ -82,8 +82,19 @@
#define MSI_STANDARD_EC_SCM_LOAD_ADDRESS 0x2d
#define MSI_STANDARD_EC_SCM_LOAD_MASK (1 << 0)
-#define MSI_STANDARD_EC_TOUCHPAD_ADDRESS 0xe4
+#define MSI_STANDARD_EC_POWER_ADDRESS 0xe4
+/* Power LED is orange - Turbo mode */
+#define MSI_STANDARD_EC_TURBO_MASK (1 << 1)
+/* Power LED is green - ECO mode */
+#define MSI_STANDARD_EC_ECO_MASK (1 << 3)
+/* Touchpad is turned on */
#define MSI_STANDARD_EC_TOUCHPAD_MASK (1 << 4)
+/* If this bit != bit 1, turbo mode can't be toggled */
+#define MSI_STANDARD_EC_TURBO_COOLDOWN_MASK (1 << 7)
+
+#define MSI_STANDARD_EC_FAN_ADDRESS 0x33
+/* If zero, fan rotates at maximal speed */
+#define MSI_STANDARD_EC_AUTOFAN_MASK (1 << 0)
#ifdef CONFIG_PM_SLEEP
static int msi_laptop_resume(struct device *device);
@@ -123,6 +134,13 @@ static int threeg_exists;
* e.g. MSI N034 netbook
*/
static bool load_scm_model;
+
+/* Some MSI Wind netbooks (e.g. MSI Wind U100) need loading SCM to get some
+ * features working (e.g. ECO mode), but we cannot change Wlan/Bluetooth state
+ * in software and we can only read its state.
+ */
+static bool ec_read_only;
+
static struct rfkill *rfk_wlan, *rfk_bluetooth, *rfk_threeg;
/* Hardware access */
@@ -195,6 +213,9 @@ static ssize_t set_device_state(const char *buf, size_t count, u8 mask)
if (sscanf(buf, "%i", &status) != 1 || (status < 0 || status > 1))
return -EINVAL;
+ if (ec_read_only)
+ return -EOPNOTSUPP;
+
/* read current device state */
result = ec_read(MSI_STANDARD_EC_COMMAND_ADDRESS, &rdata);
if (result < 0)
@@ -417,18 +438,115 @@ static ssize_t store_auto_brightness(struct device *dev,
return count;
}
+static ssize_t show_touchpad(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+
+ u8 rdata;
+ int result;
+
+ result = ec_read(MSI_STANDARD_EC_POWER_ADDRESS, &rdata);
+ if (result < 0)
+ return result;
+
+ return sprintf(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_TOUCHPAD_MASK));
+}
+
+static ssize_t show_turbo(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+
+ u8 rdata;
+ int result;
+
+ result = ec_read(MSI_STANDARD_EC_POWER_ADDRESS, &rdata);
+ if (result < 0)
+ return result;
+
+ return sprintf(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_TURBO_MASK));
+}
+
+static ssize_t show_eco(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+
+ u8 rdata;
+ int result;
+
+ result = ec_read(MSI_STANDARD_EC_POWER_ADDRESS, &rdata);
+ if (result < 0)
+ return result;
+
+ return sprintf(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_ECO_MASK));
+}
+
+static ssize_t show_turbo_cooldown(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+
+ u8 rdata;
+ int result;
+
+ result = ec_read(MSI_STANDARD_EC_POWER_ADDRESS, &rdata);
+ if (result < 0)
+ return result;
+
+ return sprintf(buf, "%i\n", (!!(rdata & MSI_STANDARD_EC_TURBO_MASK)) |
+ (!!(rdata & MSI_STANDARD_EC_TURBO_COOLDOWN_MASK) << 1));
+}
+
+static ssize_t show_auto_fan(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+
+ u8 rdata;
+ int result;
+
+ result = ec_read(MSI_STANDARD_EC_FAN_ADDRESS, &rdata);
+ if (result < 0)
+ return result;
+
+ return sprintf(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_AUTOFAN_MASK));
+}
+
+static ssize_t store_auto_fan(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+
+ int enable, result;
+
+ if (sscanf(buf, "%i", &enable) != 1 || (enable != (enable & 1)))
+ return -EINVAL;
+
+ result = ec_write(MSI_STANDARD_EC_FAN_ADDRESS, enable);
+ if (result < 0)
+ return result;
+
+ return count;
+}
+
static DEVICE_ATTR(lcd_level, 0644, show_lcd_level, store_lcd_level);
static DEVICE_ATTR(auto_brightness, 0644, show_auto_brightness,
store_auto_brightness);
static DEVICE_ATTR(bluetooth, 0444, show_bluetooth, NULL);
static DEVICE_ATTR(wlan, 0444, show_wlan, NULL);
static DEVICE_ATTR(threeg, 0444, show_threeg, NULL);
+static DEVICE_ATTR(touchpad, 0444, show_touchpad, NULL);
+static DEVICE_ATTR(turbo_mode, 0444, show_turbo, NULL);
+static DEVICE_ATTR(eco_mode, 0444, show_eco, NULL);
+static DEVICE_ATTR(turbo_cooldown, 0444, show_turbo_cooldown, NULL);
+static DEVICE_ATTR(auto_fan, 0644, show_auto_fan, store_auto_fan);
static struct attribute *msipf_attributes[] = {
&dev_attr_lcd_level.attr,
&dev_attr_auto_brightness.attr,
&dev_attr_bluetooth.attr,
&dev_attr_wlan.attr,
+ &dev_attr_touchpad.attr,
+ &dev_attr_turbo_mode.attr,
+ &dev_attr_eco_mode.attr,
+ &dev_attr_turbo_cooldown.attr,
+ &dev_attr_auto_fan.attr,
NULL
};
@@ -553,6 +671,19 @@ static struct dmi_system_id __initdata msi_load_scm_models_dmi_table[] = {
{ }
};
+static struct dmi_system_id __initdata msi_load_scm_ro_models_dmi_table[] = {
+ {
+ .ident = "MSI U90/U100",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR,
+ "MICRO-STAR INTERNATIONAL CO., LTD"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "U90/U100"),
+ },
+ .callback = dmi_check_cb
+ },
+ { }
+};
+
static int rfkill_bluetooth_set(void *data, bool blocked)
{
/* Do something with blocked...*/
@@ -560,32 +691,26 @@ static int rfkill_bluetooth_set(void *data, bool blocked)
* blocked == false is on
* blocked == true is off
*/
- if (blocked)
- set_device_state("0", 0, MSI_STANDARD_EC_BLUETOOTH_MASK);
- else
- set_device_state("1", 0, MSI_STANDARD_EC_BLUETOOTH_MASK);
+ int result = set_device_state(blocked ? "0" : "1", 0,
+ MSI_STANDARD_EC_BLUETOOTH_MASK);
- return 0;
+ return result < 0 ? result : 0;
}
static int rfkill_wlan_set(void *data, bool blocked)
{
- if (blocked)
- set_device_state("0", 0, MSI_STANDARD_EC_WLAN_MASK);
- else
- set_device_state("1", 0, MSI_STANDARD_EC_WLAN_MASK);
+ int result = set_device_state(blocked ? "0" : "1", 0,
+ MSI_STANDARD_EC_WLAN_MASK);
- return 0;
+ return result < 0 ? result : 0;
}
static int rfkill_threeg_set(void *data, bool blocked)
{
- if (blocked)
- set_device_state("0", 0, MSI_STANDARD_EC_3G_MASK);
- else
- set_device_state("1", 0, MSI_STANDARD_EC_3G_MASK);
+ int result = set_device_state(blocked ? "0" : "1", 0,
+ MSI_STANDARD_EC_3G_MASK);
- return 0;
+ return result < 0 ? result : 0;
}
static const struct rfkill_ops rfkill_bluetooth_ops = {
@@ -600,16 +725,24 @@ static const struct rfkill_ops rfkill_threeg_ops = {
.set_block = rfkill_threeg_set
};
+static bool msi_rfkill_set_state(struct rfkill *rfkill, bool blocked)
+{
+ if (ec_read_only)
+ return rfkill_set_hw_state(rfkill, blocked);
+ else
+ return rfkill_set_sw_state(rfkill, blocked);
+}
+
static void msi_update_rfkill(struct work_struct *ignored)
{
get_wireless_state_ec_standard();
if (rfk_wlan)
- rfkill_set_sw_state(rfk_wlan, !wlan_s);
+ msi_rfkill_set_state(rfk_wlan, !wlan_s);
if (rfk_bluetooth)
- rfkill_set_sw_state(rfk_bluetooth, !bluetooth_s);
+ msi_rfkill_set_state(rfk_bluetooth, !bluetooth_s);
if (rfk_threeg)
- rfkill_set_sw_state(rfk_threeg, !threeg_s);
+ msi_rfkill_set_state(rfk_threeg, !threeg_s);
}
static DECLARE_WORK(msi_rfkill_work, msi_update_rfkill);
@@ -638,7 +771,7 @@ static void msi_send_touchpad_key(struct work_struct *ignored)
u8 rdata;
int result;
- result = ec_read(MSI_STANDARD_EC_TOUCHPAD_ADDRESS, &rdata);
+ result = ec_read(MSI_STANDARD_EC_POWER_ADDRESS, &rdata);
if (result < 0)
return;
@@ -802,13 +935,15 @@ static int __init load_scm_model_init(struct platform_device *sdev)
u8 data;
int result;
- /* allow userland write sysfs file */
- dev_attr_bluetooth.store = store_bluetooth;
- dev_attr_wlan.store = store_wlan;
- dev_attr_threeg.store = store_threeg;
- dev_attr_bluetooth.attr.mode |= S_IWUSR;
- dev_attr_wlan.attr.mode |= S_IWUSR;
- dev_attr_threeg.attr.mode |= S_IWUSR;
+ if (!ec_read_only) {
+ /* allow userland write sysfs file */
+ dev_attr_bluetooth.store = store_bluetooth;
+ dev_attr_wlan.store = store_wlan;
+ dev_attr_threeg.store = store_threeg;
+ dev_attr_bluetooth.attr.mode |= S_IWUSR;
+ dev_attr_wlan.attr.mode |= S_IWUSR;
+ dev_attr_threeg.attr.mode |= S_IWUSR;
+ }
/* disable hardware control by fn key */
result = ec_read(MSI_STANDARD_EC_SCM_LOAD_ADDRESS, &data);
@@ -860,8 +995,15 @@ static int __init msi_init(void)
if (force || dmi_check_system(msi_dmi_table))
old_ec_model = 1;
- if (!old_ec_model)
+ if (!old_ec_model) {
get_threeg_exists();
+ if (dmi_check_system(msi_load_scm_models_dmi_table))
+ load_scm_model = 1;
+ else if (dmi_check_system(msi_load_scm_ro_models_dmi_table)) {
+ load_scm_model = 1;
+ ec_read_only = 1;
+ }
+ }
if (!old_ec_model && dmi_check_system(msi_load_scm_models_dmi_table))
load_scm_model = 1;
@@ -992,3 +1134,4 @@ MODULE_ALIAS("dmi:*:svnMICRO-STARINTERNATIONAL*:pnMS-N051:*");
MODULE_ALIAS("dmi:*:svnMICRO-STARINTERNATIONAL*:pnMS-N014:*");
MODULE_ALIAS("dmi:*:svnMicro-StarInternational*:pnCR620:*");
MODULE_ALIAS("dmi:*:svnMicro-StarInternational*:pnU270series:*");
+MODULE_ALIAS("dmi:*:svnMICRO-STARINTERNATIONAL*:pnU90/U100:*");
--
1.8.0
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