[coreboot] [PATCH 1/4] Lenovo H8: add h8_ultrabay_device_present()
Sven Schnelle
svens at stackframe.org
Wed Apr 27 20:49:02 CEST 2011
Signed-off-by: Sven Schnelle <svens at stackframe.org>
---
src/ec/lenovo/h8/h8.c | 6 ++++++
src/ec/lenovo/h8/h8.h | 5 +++++
2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/src/ec/lenovo/h8/h8.c b/src/ec/lenovo/h8/h8.c
index 6a59525..fafaef2 100644
--- a/src/ec/lenovo/h8/h8.c
+++ b/src/ec/lenovo/h8/h8.c
@@ -87,6 +87,12 @@ void h8_disable_event(int event)
}
+int h8_ultrabay_device_present(void)
+{
+ return ec_read(H8_STATUS1) & 0x5 ? 0 : 1;
+}
+
+
static void h8_enable(device_t dev)
{
struct ec_lenovo_h8_config *conf = dev->chip_info;
diff --git a/src/ec/lenovo/h8/h8.h b/src/ec/lenovo/h8/h8.h
index d263313..b5d8f01 100644
--- a/src/ec/lenovo/h8/h8.h
+++ b/src/ec/lenovo/h8/h8.h
@@ -25,6 +25,7 @@ void h8_wlan_enable(int on);
void h8_set_audio_mute(int on);
void h8_enable_event(int event);
void h8_disable_event(int event);
+int h8_ultrabay_device_present(void);
/* EC registers */
#define H8_CONFIG0 0x00
@@ -102,6 +103,10 @@ void h8_disable_event(int event);
#define H8_EVENT_FN_PRESS 0x39
+#define H8_STATUS0 0x46
+#define H8_STATUS1 0x47
+#define H8_STATUS2 0x48
+
#define H8_EVENT_BAT0 0x4a
#define H8_EVENT_BAT0_STATE 0x4b
--
1.7.4.4
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