diff options
| -rw-r--r-- | drivers/platform/x86/asus-wmi.c | 99 |
1 files changed, 66 insertions, 33 deletions
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 34e6b4d83a9..fd5b08eecf1 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -67,6 +67,7 @@ MODULE_LICENSE("GPL"); /* WMI Methods */ #define ASUS_WMI_METHODID_DSTS 0x53544344 +#define ASUS_WMI_METHODID_DSTS2 0x53545344 #define ASUS_WMI_METHODID_DEVS 0x53564544 #define ASUS_WMI_METHODID_CFVS 0x53564643 @@ -124,6 +125,8 @@ struct asus_rfkill { }; struct asus_wmi { + int dsts_id; + struct input_dev *inputdev; struct backlight_device *backlight_device; struct platform_device *platform_device; @@ -229,26 +232,26 @@ exit: return 0; } -static int asus_wmi_get_devstate(u32 dev_id, u32 *retval) +static int asus_wmi_get_devstate(struct asus_wmi *asus, u32 dev_id, u32 *retval) { - return asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS, dev_id, - 0, retval); + return asus_wmi_evaluate_method(asus->dsts_id, dev_id, 0, retval); } static int asus_wmi_set_devstate(u32 dev_id, u32 ctrl_param, - u32 *retval) + u32 *retval) { return asus_wmi_evaluate_method(ASUS_WMI_METHODID_DEVS, dev_id, ctrl_param, retval); } /* Helper for special devices with magic return codes */ -static int asus_wmi_get_devstate_bits(u32 dev_id, u32 mask) +static int asus_wmi_get_devstate_bits(struct asus_wmi *asus, + u32 dev_id, u32 mask) { u32 retval = 0; int err; - err = asus_wmi_get_devstate(dev_id, &retval); + err = asus_wmi_get_devstate(asus, dev_id, &retval); if (err < 0) return err; @@ -264,9 +267,10 @@ static int asus_wmi_get_devstate_bits(u32 dev_id, u32 mask) return retval & mask; } -static int asus_wmi_get_devstate_simple(u32 dev_id) +static int asus_wmi_get_devstate_simple(struct asus_wmi *asus, u32 dev_id) { - return asus_wmi_get_devstate_bits(dev_id, ASUS_WMI_DSTS_STATUS_BIT); + return asus_wmi_get_devstate_bits(asus, dev_id, + ASUS_WMI_DSTS_STATUS_BIT); } /* @@ -302,7 +306,7 @@ static void tpd_led_set(struct led_classdev *led_cdev, static int read_tpd_led_state(struct asus_wmi *asus) { - return asus_wmi_get_devstate_simple(ASUS_WMI_DEVID_TOUCHPAD_LED); + return asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_TOUCHPAD_LED); } static enum led_brightness tpd_led_get(struct led_classdev *led_cdev) @@ -353,7 +357,7 @@ static void asus_wmi_led_exit(struct asus_wmi *asus) */ static bool asus_wlan_rfkill_blocked(struct asus_wmi *asus) { - int result = asus_wmi_get_devstate_simple(ASUS_WMI_DEVID_WLAN); + int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN); if (result < 0) return false; @@ -482,7 +486,8 @@ static void asus_unregister_rfkill_notifier(struct asus_wmi *asus, char *node) static int asus_get_adapter_status(struct hotplug_slot *hotplug_slot, u8 *value) { - int result = asus_wmi_get_devstate_simple(ASUS_WMI_DEVID_WLAN); + struct asus_wmi *asus = hotplug_slot->private; + int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN); if (result < 0) return result; @@ -578,7 +583,7 @@ static void asus_rfkill_query(struct rfkill *rfkill, void *data) struct asus_rfkill *priv = data; int result; - result = asus_wmi_get_devstate_simple(priv->dev_id); + result = asus_wmi_get_devstate_simple(priv->asus, priv->dev_id); if (result < 0) return; @@ -619,7 +624,7 @@ static int asus_new_rfkill(struct asus_wmi *asus, struct asus_rfkill *arfkill, const char *name, enum rfkill_type type, int dev_id) { - int result = asus_wmi_get_devstate_simple(dev_id); + int result = asus_wmi_get_devstate_simple(asus, dev_id); struct rfkill **rfkill = &arfkill->rfkill; if (result < 0) @@ -750,9 +755,9 @@ exit: /* * Backlight */ -static int read_backlight_power(void) +static int read_backlight_power(struct asus_wmi *asus) { - int ret = asus_wmi_get_devstate_simple(ASUS_WMI_DEVID_BACKLIGHT); + int ret = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_BACKLIGHT); if (ret < 0) return ret; @@ -762,10 +767,11 @@ static int read_backlight_power(void) static int read_brightness(struct backlight_device *bd) { + struct asus_wmi *asus = bl_get_data(bd); u32 retval; int err; - err = asus_wmi_get_devstate(ASUS_WMI_DEVID_BRIGHTNESS, &retval); + err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval); if (err < 0) return err; @@ -775,6 +781,7 @@ static int read_brightness(struct backlight_device *bd) static int update_bl_status(struct backlight_device *bd) { + struct asus_wmi *asus = bl_get_data(bd); u32 ctrl_param; int power, err; @@ -786,7 +793,7 @@ static int update_bl_status(struct backlight_device *bd) if (err < 0) return err; - power = read_backlight_power(); + power = read_backlight_power(asus); if (power != -ENODEV && bd->props.power != power) { ctrl_param = !!(bd->props.power == FB_BLANK_UNBLANK); err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, @@ -825,9 +832,9 @@ static int asus_wmi_backlight_init(struct asus_wmi *asus) int max; int power; - max = asus_wmi_get_devstate_bits(ASUS_WMI_DEVID_BRIGHTNESS, + max = asus_wmi_get_devstate_bits(asus, ASUS_WMI_DEVID_BRIGHTNESS, ASUS_WMI_DSTS_MAX_BRIGTH_MASK); - power = read_backlight_power(); + power = read_backlight_power(asus); if (max < 0 && power < 0) { /* Try to keep the original error */ @@ -921,12 +928,13 @@ static int parse_arg(const char *buf, unsigned long count, int *val) return count; } -static ssize_t store_sys_wmi(int devid, const char *buf, size_t count) +static ssize_t store_sys_wmi(struct asus_wmi *asus, int devid, + const char *buf, size_t count) { u32 retval; int rv, err, value; - value = asus_wmi_get_devstate_simple(devid); + value = asus_wmi_get_devstate_simple(asus, devid); if (value == -ENODEV) /* Check device presence */ return value; @@ -939,9 +947,9 @@ static ssize_t store_sys_wmi(int devid, const char *buf, size_t count) return rv; } -static ssize_t show_sys_wmi(int devid, char *buf) +static ssize_t show_sys_wmi(struct asus_wmi *asus, int devid, char *buf) { - int value = asus_wmi_get_devstate_simple(devid); + int value = asus_wmi_get_devstate_simple(asus, devid); if (value < 0) return value; @@ -954,13 +962,17 @@ static ssize_t show_sys_wmi(int devid, char *buf) struct device_attribute *attr, \ char *buf) \ { \ - return show_sys_wmi(_cm, buf); \ + struct asus_wmi *asus = dev_get_drvdata(dev); \ + \ + return show_sys_wmi(asus, _cm, buf); \ } \ static ssize_t store_##_name(struct device *dev, \ struct device_attribute *attr, \ const char *buf, size_t count) \ { \ - return store_sys_wmi(_cm, buf, count); \ + struct asus_wmi *asus = dev_get_drvdata(dev); \ + \ + return store_sys_wmi(asus, _cm, buf, count); \ } \ static struct device_attribute dev_attr_##_name = { \ .attr = { \ @@ -1000,7 +1012,10 @@ static struct attribute *platform_attributes[] = { static mode_t asus_sysfs_is_visible(struct kobject *kobj, struct attribute *attr, int idx) { - bool supported = true; + struct device *dev = container_of(kobj, struct device, kobj); + struct platform_device *pdev = to_platform_device(dev); + struct asus_wmi *asus = platform_get_drvdata(pdev); + bool ok = true; int devid = -1; if (attr == &dev_attr_camera.attr) @@ -1011,9 +1026,9 @@ static mode_t asus_sysfs_is_visible(struct kobject *kobj, devid = ASUS_WMI_DEVID_TOUCHPAD; if (devid != -1) - supported = asus_wmi_get_devstate_simple(devid) != -ENODEV; + ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0); - return supported ? attr->mode : 0; + return ok ? attr->mode : 0; } static struct attribute_group platform_attribute_group = { @@ -1036,6 +1051,23 @@ static int asus_wmi_sysfs_init(struct platform_device *device) */ static int __init asus_wmi_platform_init(struct asus_wmi *asus) { + /* + * Eee PC and Notebooks seems to have different method_id for DSTS, + * but it may also be related to the BIOS's SPEC. + * Note, on most Eeepc, there is no way to check if a method exist + * or note, while on notebooks, they returns 0xFFFFFFFE on failure, + * but once again, SPEC may probably be used for that kind of things. + */ + if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS, 0, 0, NULL)) + asus->dsts_id = ASUS_WMI_METHODID_DSTS; + else if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS2, 0, 0, NULL)) + asus->dsts_id = ASUS_WMI_METHODID_DSTS2; + + if (!asus->dsts_id) { + pr_err("Can't find DSTS"); + return -ENODEV; + } + return asus_wmi_sysfs_init(asus->platform_device); } @@ -1059,7 +1091,7 @@ static int show_dsts(struct seq_file *m, void *data) int err; u32 retval = -1; - err = asus_wmi_get_devstate(asus->debug.dev_id, &retval); + err = asus_wmi_get_devstate(asus, asus->debug.dev_id, &retval); if (err < 0) return err; @@ -1262,7 +1294,7 @@ static int asus_hotk_thaw(struct device *device) * during suspend. Normally it restores it on resume, but * we should kick it ourselves in case hibernation is aborted. */ - wlan = asus_wmi_get_devstate_simple(ASUS_WMI_DEVID_WLAN); + wlan = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN); asus_wmi_set_devstate(ASUS_WMI_DEVID_WLAN, wlan, NULL); } @@ -1279,15 +1311,16 @@ static int asus_hotk_restore(struct device *device) asus_rfkill_hotplug(asus); if (asus->bluetooth.rfkill) { - bl = !asus_wmi_get_devstate_simple(ASUS_WMI_DEVID_BLUETOOTH); + bl = !asus_wmi_get_devstate_simple(asus, + ASUS_WMI_DEVID_BLUETOOTH); rfkill_set_sw_state(asus->bluetooth.rfkill, bl); } if (asus->wimax.rfkill) { - bl = !asus_wmi_get_devstate_simple(ASUS_WMI_DEVID_WIMAX); + bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WIMAX); rfkill_set_sw_state(asus->wimax.rfkill, bl); } if (asus->wwan3g.rfkill) { - bl = !asus_wmi_get_devstate_simple(ASUS_WMI_DEVID_WWAN3G); + bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WWAN3G); rfkill_set_sw_state(asus->wwan3g.rfkill, bl); } |