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path: root/drivers/platform/x86/sony-laptop.c
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Diffstat (limited to 'drivers/platform/x86/sony-laptop.c')
-rw-r--r--drivers/platform/x86/sony-laptop.c186
1 files changed, 186 insertions, 0 deletions
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index f6cdc8929fd..f458870c30b 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -64,6 +64,7 @@
#include <asm/uaccess.h>
#include <linux/sonypi.h>
#include <linux/sony-laptop.h>
+#include <linux/rfkill.h>
#ifdef CONFIG_SONYPI_COMPAT
#include <linux/poll.h>
#include <linux/miscdevice.h>
@@ -123,6 +124,18 @@ MODULE_PARM_DESC(minor,
"default is -1 (automatic)");
#endif
+enum sony_nc_rfkill {
+ SONY_WIFI,
+ SONY_BLUETOOTH,
+ SONY_WWAN,
+ SONY_WIMAX,
+ SONY_RFKILL_MAX,
+};
+
+static struct rfkill *sony_rfkill_devices[SONY_RFKILL_MAX];
+static int sony_rfkill_address[SONY_RFKILL_MAX] = {0x300, 0x500, 0x700, 0x900};
+static void sony_nc_rfkill_update(void);
+
/*********** Input Devices ***********/
#define SONY_LAPTOP_BUF_SIZE 128
@@ -134,6 +147,7 @@ struct sony_laptop_input_s {
spinlock_t fifo_lock;
struct workqueue_struct *wq;
};
+
static struct sony_laptop_input_s sony_laptop_input = {
.users = ATOMIC_INIT(0),
};
@@ -891,6 +905,9 @@ static void sony_acpi_notify(acpi_handle handle, u32 event, void *data)
if (!sony_nc_events[i].data)
printk(KERN_INFO DRV_PFX
"Unknown event: %x %x\n", origev, ev);
+ } else if (sony_find_snc_handle(0x124) == ev) {
+ sony_nc_rfkill_update();
+ return;
}
}
@@ -973,6 +990,172 @@ static int sony_nc_resume(struct acpi_device *device)
return 0;
}
+static void sony_nc_rfkill_cleanup(void)
+{
+ int i;
+
+ for (i = 0; i < SONY_RFKILL_MAX; i++) {
+ if (sony_rfkill_devices[i])
+ rfkill_unregister(sony_rfkill_devices[i]);
+ }
+}
+
+static int sony_nc_rfkill_get(void *data, enum rfkill_state *state)
+{
+ int result;
+ int argument = sony_rfkill_address[(long) data];
+
+ sony_call_snc_handle(0x124, 0x200, &result);
+ if (result & 0x1) {
+ sony_call_snc_handle(0x124, argument, &result);
+ if (result & 0xf)
+ *state = RFKILL_STATE_UNBLOCKED;
+ else
+ *state = RFKILL_STATE_SOFT_BLOCKED;
+ } else {
+ *state = RFKILL_STATE_HARD_BLOCKED;
+ }
+
+ return 0;
+}
+
+static int sony_nc_rfkill_set(void *data, enum rfkill_state state)
+{
+ int result;
+ int argument = sony_rfkill_address[(long) data] + 0x100;
+
+ if (state == RFKILL_STATE_UNBLOCKED)
+ argument |= 0xff0000;
+
+ return sony_call_snc_handle(0x124, argument, &result);
+}
+
+static int sony_nc_setup_wifi_rfkill(struct acpi_device *device)
+{
+ int err = 0;
+ struct rfkill *sony_wifi_rfkill;
+
+ sony_wifi_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WLAN);
+ if (!sony_wifi_rfkill)
+ return -1;
+ sony_wifi_rfkill->name = "sony-wifi";
+ sony_wifi_rfkill->toggle_radio = sony_nc_rfkill_set;
+ sony_wifi_rfkill->get_state = sony_nc_rfkill_get;
+ sony_wifi_rfkill->user_claim_unsupported = 1;
+ sony_wifi_rfkill->data = (void *)SONY_WIFI;
+ err = rfkill_register(sony_wifi_rfkill);
+ if (err)
+ rfkill_free(sony_wifi_rfkill);
+ else
+ sony_rfkill_devices[SONY_WIFI] = sony_wifi_rfkill;
+ return err;
+}
+
+static int sony_nc_setup_bluetooth_rfkill(struct acpi_device *device)
+{
+ int err = 0;
+ struct rfkill *sony_bluetooth_rfkill;
+
+ sony_bluetooth_rfkill = rfkill_allocate(&device->dev,
+ RFKILL_TYPE_BLUETOOTH);
+ if (!sony_bluetooth_rfkill)
+ return -1;
+ sony_bluetooth_rfkill->name = "sony-bluetooth";
+ sony_bluetooth_rfkill->toggle_radio = sony_nc_rfkill_set;
+ sony_bluetooth_rfkill->get_state = sony_nc_rfkill_get;
+ sony_bluetooth_rfkill->user_claim_unsupported = 1;
+ sony_bluetooth_rfkill->data = (void *)SONY_BLUETOOTH;
+ err = rfkill_register(sony_bluetooth_rfkill);
+ if (err)
+ rfkill_free(sony_bluetooth_rfkill);
+ else
+ sony_rfkill_devices[SONY_BLUETOOTH] = sony_bluetooth_rfkill;
+ return err;
+}
+
+static int sony_nc_setup_wwan_rfkill(struct acpi_device *device)
+{
+ int err = 0;
+ struct rfkill *sony_wwan_rfkill;
+
+ sony_wwan_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WWAN);
+ if (!sony_wwan_rfkill)
+ return -1;
+ sony_wwan_rfkill->name = "sony-wwan";
+ sony_wwan_rfkill->toggle_radio = sony_nc_rfkill_set;
+ sony_wwan_rfkill->get_state = sony_nc_rfkill_get;
+ sony_wwan_rfkill->user_claim_unsupported = 1;
+ sony_wwan_rfkill->data = (void *)SONY_WWAN;
+ err = rfkill_register(sony_wwan_rfkill);
+ if (err)
+ rfkill_free(sony_wwan_rfkill);
+ else
+ sony_rfkill_devices[SONY_WWAN] = sony_wwan_rfkill;
+ return err;
+}
+
+static int sony_nc_setup_wimax_rfkill(struct acpi_device *device)
+{
+ int err = 0;
+ struct rfkill *sony_wimax_rfkill;
+
+ sony_wimax_rfkill = rfkill_allocate(&device->dev, RFKILL_TYPE_WIMAX);
+ if (!sony_wimax_rfkill)
+ return -1;
+ sony_wimax_rfkill->name = "sony-wimax";
+ sony_wimax_rfkill->toggle_radio = sony_nc_rfkill_set;
+ sony_wimax_rfkill->get_state = sony_nc_rfkill_get;
+ sony_wimax_rfkill->user_claim_unsupported = 1;
+ sony_wimax_rfkill->data = (void *)SONY_WIMAX;
+ err = rfkill_register(sony_wimax_rfkill);
+ if (err)
+ rfkill_free(sony_wimax_rfkill);
+ else
+ sony_rfkill_devices[SONY_WIMAX] = sony_wimax_rfkill;
+ return err;
+}
+
+static void sony_nc_rfkill_update()
+{
+ int i;
+ enum rfkill_state state;
+
+ for (i = 0; i < SONY_RFKILL_MAX; i++) {
+ if (sony_rfkill_devices[i]) {
+ sony_rfkill_devices[i]->
+ get_state(sony_rfkill_devices[i]->data,
+ &state);
+ rfkill_force_state(sony_rfkill_devices[i], state);
+ }
+ }
+}
+
+static int sony_nc_rfkill_setup(struct acpi_device *device)
+{
+ int result, ret;
+
+ if (sony_find_snc_handle(0x124) == -1)
+ return -1;
+
+ ret = sony_call_snc_handle(0x124, 0xb00, &result);
+ if (ret) {
+ printk(KERN_INFO DRV_PFX
+ "Unable to enumerate rfkill devices: %x\n", ret);
+ return ret;
+ }
+
+ if (result & 0x1)
+ sony_nc_setup_wifi_rfkill(device);
+ if (result & 0x2)
+ sony_nc_setup_bluetooth_rfkill(device);
+ if (result & 0x1c)
+ sony_nc_setup_wwan_rfkill(device);
+ if (result & 0x20)
+ sony_nc_setup_wimax_rfkill(device);
+
+ return 0;
+}
+
static int sony_nc_add(struct acpi_device *device)
{
acpi_status status;
@@ -1026,6 +1209,7 @@ static int sony_nc_add(struct acpi_device *device)
&handle))) {
dprintk("Doing SNC setup\n");
sony_nc_function_setup(device);
+ sony_nc_rfkill_setup(device);
}
/* setup input devices and helper fifo */
@@ -1132,6 +1316,7 @@ static int sony_nc_add(struct acpi_device *device)
sony_laptop_remove_input();
outwalk:
+ sony_nc_rfkill_cleanup();
return result;
}
@@ -1157,6 +1342,7 @@ static int sony_nc_remove(struct acpi_device *device, int type)
sony_pf_remove();
sony_laptop_remove_input();
+ sony_nc_rfkill_cleanup();
dprintk(SONY_NC_DRIVER_NAME " removed.\n");
return 0;