From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/include/linux/olpc-ec.h | 37 ++++++++++++++++++++++++++++++++++---
1 files changed, 34 insertions(+), 3 deletions(-)
diff --git a/kernel/include/linux/olpc-ec.h b/kernel/include/linux/olpc-ec.h
index 79bdc63..c460236 100644
--- a/kernel/include/linux/olpc-ec.h
+++ b/kernel/include/linux/olpc-ec.h
@@ -2,6 +2,8 @@
#ifndef _LINUX_OLPC_EC_H
#define _LINUX_OLPC_EC_H
+#include <linux/bits.h>
+
/* XO-1 EC commands */
#define EC_FIRMWARE_REV 0x08
#define EC_WRITE_SCI_MASK 0x1b
@@ -16,28 +18,57 @@
#define EC_SCI_QUERY 0x84
#define EC_EXT_SCI_QUERY 0x85
+/* SCI source values */
+#define EC_SCI_SRC_GAME BIT(0)
+#define EC_SCI_SRC_BATTERY BIT(1)
+#define EC_SCI_SRC_BATSOC BIT(2)
+#define EC_SCI_SRC_BATERR BIT(3)
+#define EC_SCI_SRC_EBOOK BIT(4) /* XO-1 only */
+#define EC_SCI_SRC_WLAN BIT(5) /* XO-1 only */
+#define EC_SCI_SRC_ACPWR BIT(6)
+#define EC_SCI_SRC_BATCRIT BIT(7)
+#define EC_SCI_SRC_GPWAKE BIT(8) /* XO-1.5 only */
+#define EC_SCI_SRC_ALL GENMASK(8, 0)
+
struct platform_device;
struct olpc_ec_driver {
- int (*probe)(struct platform_device *);
int (*suspend)(struct platform_device *);
int (*resume)(struct platform_device *);
int (*ec_cmd)(u8, u8 *, size_t, u8 *, size_t, void *);
+
+ bool wakeup_available;
};
-#ifdef CONFIG_OLPC
+#ifdef CONFIG_OLPC_EC
extern void olpc_ec_driver_register(struct olpc_ec_driver *drv, void *arg);
extern int olpc_ec_cmd(u8 cmd, u8 *inbuf, size_t inlen, u8 *outbuf,
size_t outlen);
+extern void olpc_ec_wakeup_set(u16 value);
+extern void olpc_ec_wakeup_clear(u16 value);
+
+extern int olpc_ec_mask_write(u16 bits);
+extern int olpc_ec_sci_query(u16 *sci_value);
+
+extern bool olpc_ec_wakeup_available(void);
+
#else
static inline int olpc_ec_cmd(u8 cmd, u8 *inbuf, size_t inlen, u8 *outbuf,
size_t outlen) { return -ENODEV; }
-#endif /* CONFIG_OLPC */
+static inline void olpc_ec_wakeup_set(u16 value) { }
+static inline void olpc_ec_wakeup_clear(u16 value) { }
+
+static inline bool olpc_ec_wakeup_available(void)
+{
+ return false;
+}
+
+#endif /* CONFIG_OLPC_EC */
#endif /* _LINUX_OLPC_EC_H */
--
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