x86, olpc-xo1-sci: Add GPE handler and ebook switch functionality

The EC in the OLPC XO-1 delivers GPE events to provide various
notifications. Add the basic code for GPE/EC event processing and
enable the ebook switch, which can be used as a wakeup source.

Signed-off-by: Daniel Drake <dsd@laptop.org>
Link: http://lkml.kernel.org/r/1309019658-1712-8-git-send-email-dsd@laptop.org
Acked-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/arch/x86/include/asm/olpc.h b/arch/x86/include/asm/olpc.h
index 0e56d01907f..87bdbca72f9 100644
--- a/arch/x86/include/asm/olpc.h
+++ b/arch/x86/include/asm/olpc.h
@@ -111,6 +111,7 @@ extern int olpc_ec_cmd(unsigned char cmd, unsigned char *inbuf, size_t inlen,
 #define EC_WRITE_SCI_MASK               0x1b
 #define EC_WAKE_UP_WLAN                 0x24
 #define EC_WLAN_LEAVE_RESET             0x25
+#define EC_READ_EB_MODE                 0x2a
 #define EC_SET_SCI_INHIBIT              0x32
 #define EC_SET_SCI_INHIBIT_RELEASE      0x34
 #define EC_WLAN_ENTER_RESET             0x35
@@ -144,7 +145,7 @@ extern int olpc_ec_cmd(unsigned char cmd, unsigned char *inbuf, size_t inlen,
 #define OLPC_GPIO_SMB_CLK      14
 #define OLPC_GPIO_SMB_DATA     15
 #define OLPC_GPIO_WORKAUX       geode_gpio(24)
-#define OLPC_GPIO_LID           geode_gpio(26)
-#define OLPC_GPIO_ECSCI         geode_gpio(27)
+#define OLPC_GPIO_LID           26
+#define OLPC_GPIO_ECSCI         27
 
 #endif /* _ASM_X86_OLPC_H */