diff options
Diffstat (limited to 'drivers/platform/x86/toshiba_acpi.c')
| -rw-r--r-- | drivers/platform/x86/toshiba_acpi.c | 71 |
1 files changed, 62 insertions, 9 deletions
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index 17a259eb3eed..37f5f64976f1 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -150,9 +150,10 @@ MODULE_LICENSE("GPL"); #define SCI_KBD_MODE_OFF 0x10 #define SCI_KBD_TIME_MAX 0x3c001a #define SCI_USB_CHARGE_MODE_MASK 0xff -#define SCI_USB_CHARGE_DISABLED 0x30000 -#define SCI_USB_CHARGE_ALTERNATE 0x30009 -#define SCI_USB_CHARGE_AUTO 0x30021 +#define SCI_USB_CHARGE_DISABLED 0x00 +#define SCI_USB_CHARGE_ALTERNATE 0x09 +#define SCI_USB_CHARGE_TYPICAL 0x11 +#define SCI_USB_CHARGE_AUTO 0x21 #define SCI_USB_CHARGE_BAT_MASK 0x7 #define SCI_USB_CHARGE_BAT_LVL_OFF 0x1 #define SCI_USB_CHARGE_BAT_LVL_ON 0x4 @@ -177,6 +178,7 @@ struct toshiba_acpi_dev { int kbd_mode; int kbd_time; int usbsc_bat_level; + int usbsc_mode_base; int hotkey_event_type; unsigned int illumination_supported:1; @@ -800,6 +802,54 @@ static int toshiba_accelerometer_get(struct toshiba_acpi_dev *dev, } /* Sleep (Charge and Music) utilities support */ +static void toshiba_usb_sleep_charge_available(struct toshiba_acpi_dev *dev) +{ + u32 in[TCI_WORDS] = { SCI_GET, SCI_USB_SLEEP_CHARGE, 0, 0, 0, 0 }; + u32 out[TCI_WORDS]; + acpi_status status; + + /* Set the feature to "not supported" in case of error */ + dev->usb_sleep_charge_supported = 0; + + if (!sci_open(dev)) + return; + + status = tci_raw(dev, in, out); + if (ACPI_FAILURE(status) || out[0] == TOS_FAILURE) { + pr_err("ACPI call to get USB Sleep and Charge mode failed\n"); + sci_close(dev); + return; + } else if (out[0] == TOS_NOT_SUPPORTED) { + pr_info("USB Sleep and Charge not supported\n"); + sci_close(dev); + return; + } else if (out[0] == TOS_SUCCESS) { + dev->usbsc_mode_base = out[4]; + } + + in[5] = SCI_USB_CHARGE_BAT_LVL; + status = tci_raw(dev, in, out); + if (ACPI_FAILURE(status) || out[0] == TOS_FAILURE) { + pr_err("ACPI call to get USB Sleep and Charge mode failed\n"); + sci_close(dev); + return; + } else if (out[0] == TOS_NOT_SUPPORTED) { + pr_info("USB Sleep and Charge not supported\n"); + sci_close(dev); + return; + } else if (out[0] == TOS_SUCCESS) { + dev->usbsc_bat_level = out[2]; + /* + * If we reach this point, it means that the laptop has support + * for this feature and all values are initialized. + * Set it as supported. + */ + dev->usb_sleep_charge_supported = 1; + } + + sci_close(dev); +} + static int toshiba_usb_sleep_charge_get(struct toshiba_acpi_dev *dev, u32 *mode) { @@ -1976,17 +2026,21 @@ static ssize_t usb_sleep_charge_store(struct device *dev, * 0 - Disabled * 1 - Alternate (Non USB conformant devices that require more power) * 2 - Auto (USB conformant devices) + * 3 - Typical */ - if (state != 0 && state != 1 && state != 2) + if (state != 0 && state != 1 && state != 2 && state != 3) return -EINVAL; /* Set the USB charging mode to internal value */ + mode = toshiba->usbsc_mode_base; if (state == 0) - mode = SCI_USB_CHARGE_DISABLED; + mode |= SCI_USB_CHARGE_DISABLED; else if (state == 1) - mode = SCI_USB_CHARGE_ALTERNATE; + mode |= SCI_USB_CHARGE_ALTERNATE; else if (state == 2) - mode = SCI_USB_CHARGE_AUTO; + mode |= SCI_USB_CHARGE_AUTO; + else if (state == 3) + mode |= SCI_USB_CHARGE_TYPICAL; ret = toshiba_usb_sleep_charge_set(toshiba, mode); if (ret) @@ -2756,8 +2810,7 @@ static int toshiba_acpi_add(struct acpi_device *acpi_dev) ret = toshiba_accelerometer_supported(dev); dev->accelerometer_supported = !ret; - ret = toshiba_usb_sleep_charge_get(dev, &dummy); - dev->usb_sleep_charge_supported = !ret; + toshiba_usb_sleep_charge_available(dev); ret = toshiba_usb_rapid_charge_get(dev, &dummy); dev->usb_rapid_charge_supported = !ret; |