eeepc-wmi: add rfkill support for wlan, bluetooth and 3g
wimax support is missing because I don't have any DSDT
with WMI and wimax support.
Most of the code comes from eeepc-laptop.
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index adcdbbd..4c7f8b9 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -425,6 +425,7 @@
depends on INPUT
depends on EXPERIMENTAL
depends on BACKLIGHT_CLASS_DEVICE
+ depends on RFKILL || RFKILL = n
select INPUT_SPARSEKMAP
select LEDS_CLASS
select NEW_LEDS
diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c
index f12a25d..fb548f4 100644
--- a/drivers/platform/x86/eeepc-wmi.c
+++ b/drivers/platform/x86/eeepc-wmi.c
@@ -35,6 +35,7 @@
#include <linux/fb.h>
#include <linux/backlight.h>
#include <linux/leds.h>
+#include <linux/rfkill.h>
#include <linux/platform_device.h>
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>
@@ -62,6 +63,9 @@
#define EEEPC_WMI_DEVID_BACKLIGHT 0x00050012
#define EEEPC_WMI_DEVID_TPDLED 0x00100011
+#define EEEPC_WMI_DEVID_WLAN 0x00010011
+#define EEEPC_WMI_DEVID_BLUETOOTH 0x00010013
+#define EEEPC_WMI_DEVID_WWAN3G 0x00010019
static const struct key_entry eeepc_wmi_keymap[] = {
/* Sleep already handled via generic ACPI code */
@@ -94,6 +98,10 @@
int tpd_led_wk;
struct workqueue_struct *led_workqueue;
struct work_struct tpd_led_work;
+
+ struct rfkill *wlan_rfkill;
+ struct rfkill *bluetooth_rfkill;
+ struct rfkill *wwan3g_rfkill;
};
/* Only used in eeepc_wmi_init() and eeepc_wmi_exit() */
@@ -280,6 +288,129 @@
}
/*
+ * Rfkill devices
+ */
+static int eeepc_rfkill_set(void *data, bool blocked)
+{
+ int dev_id = (unsigned long)data;
+ u32 ctrl_param = !blocked;
+
+ return eeepc_wmi_set_devstate(dev_id, ctrl_param);
+}
+
+static void eeepc_rfkill_query(struct rfkill *rfkill, void *data)
+{
+ int dev_id = (unsigned long)data;
+ u32 ctrl_param;
+ acpi_status status;
+
+ status = eeepc_wmi_get_devstate(dev_id, &ctrl_param);
+
+ if (ACPI_FAILURE(status))
+ return ;
+
+ rfkill_set_sw_state(rfkill, !(ctrl_param & 0x1));
+}
+
+static const struct rfkill_ops eeepc_rfkill_ops = {
+ .set_block = eeepc_rfkill_set,
+ .query = eeepc_rfkill_query,
+};
+
+static int eeepc_new_rfkill(struct eeepc_wmi *eeepc,
+ struct rfkill **rfkill,
+ const char *name,
+ enum rfkill_type type, int dev_id)
+{
+ int result;
+ u32 ctrl_param;
+ acpi_status status;
+
+ status = eeepc_wmi_get_devstate(dev_id, &ctrl_param);
+
+ if (ACPI_FAILURE(status))
+ return -1;
+
+ /* If the device is present, DSTS will always set some bits
+ * 0x00070000 - 1110000000000000000 - device supported
+ * 0x00060000 - 1100000000000000000 - not supported
+ * 0x00020000 - 0100000000000000000 - device supported
+ * 0x00010000 - 0010000000000000000 - not supported / special mode ?
+ */
+ if (!ctrl_param || ctrl_param == 0x00060000)
+ return -ENODEV;
+
+ *rfkill = rfkill_alloc(name, &eeepc->platform_device->dev, type,
+ &eeepc_rfkill_ops, (void *)(long)dev_id);
+
+ if (!*rfkill)
+ return -EINVAL;
+
+ rfkill_init_sw_state(*rfkill, !(ctrl_param & 0x1));
+ result = rfkill_register(*rfkill);
+ if (result) {
+ rfkill_destroy(*rfkill);
+ *rfkill = NULL;
+ return result;
+ }
+ return 0;
+}
+
+static void eeepc_wmi_rfkill_exit(struct eeepc_wmi *eeepc)
+{
+ if (eeepc->wlan_rfkill) {
+ rfkill_unregister(eeepc->wlan_rfkill);
+ rfkill_destroy(eeepc->wlan_rfkill);
+ eeepc->wlan_rfkill = NULL;
+ }
+ if (eeepc->bluetooth_rfkill) {
+ rfkill_unregister(eeepc->bluetooth_rfkill);
+ rfkill_destroy(eeepc->bluetooth_rfkill);
+ eeepc->bluetooth_rfkill = NULL;
+ }
+ if (eeepc->wwan3g_rfkill) {
+ rfkill_unregister(eeepc->wwan3g_rfkill);
+ rfkill_destroy(eeepc->wwan3g_rfkill);
+ eeepc->wwan3g_rfkill = NULL;
+ }
+}
+
+static int eeepc_wmi_rfkill_init(struct eeepc_wmi *eeepc)
+{
+ int result = 0;
+
+ result = eeepc_new_rfkill(eeepc, &eeepc->wlan_rfkill,
+ "eeepc-wlan", RFKILL_TYPE_WLAN,
+ EEEPC_WMI_DEVID_WLAN);
+
+ if (result && result != -ENODEV)
+ goto exit;
+
+ result = eeepc_new_rfkill(eeepc, &eeepc->bluetooth_rfkill,
+ "eeepc-bluetooth", RFKILL_TYPE_BLUETOOTH,
+ EEEPC_WMI_DEVID_BLUETOOTH);
+
+ if (result && result != -ENODEV)
+ goto exit;
+
+ result = eeepc_new_rfkill(eeepc, &eeepc->wwan3g_rfkill,
+ "eeepc-wwan3g", RFKILL_TYPE_WWAN,
+ EEEPC_WMI_DEVID_WWAN3G);
+
+ if (result && result != -ENODEV)
+ goto exit;
+
+exit:
+ if (result && result != -ENODEV)
+ eeepc_wmi_rfkill_exit(eeepc);
+
+ if (result == -ENODEV)
+ result = 0;
+
+ return result;
+}
+
+/*
* Backlight
*/
static int read_brightness(struct backlight_device *bd)
@@ -512,6 +643,10 @@
if (err)
goto fail_leds;
+ err = eeepc_wmi_rfkill_init(eeepc);
+ if (err)
+ goto fail_rfkill;
+
if (!acpi_video_backlight_support()) {
err = eeepc_wmi_backlight_init(eeepc);
if (err)
@@ -533,6 +668,8 @@
fail_wmi_handler:
eeepc_wmi_backlight_exit(eeepc);
fail_backlight:
+ eeepc_wmi_rfkill_exit(eeepc);
+fail_rfkill:
eeepc_wmi_led_exit(eeepc);
fail_leds:
eeepc_wmi_input_exit(eeepc);
@@ -552,6 +689,7 @@
eeepc_wmi_backlight_exit(eeepc);
eeepc_wmi_input_exit(eeepc);
eeepc_wmi_led_exit(eeepc);
+ eeepc_wmi_rfkill_exit(eeepc);
eeepc_wmi_platform_exit(eeepc);
kfree(eeepc);