first commit

1 files changed, 87 insertions, 0 deletions

diff --git a/include/linux/sbsuspend.h b/include/linux/sbsuspend.h
new file mode 100644
index 000000000..869c53078
--- /dev/null
+++ b/include/linux/sbsuspend.h
@@ -0,0 +1,87 @@
+/* include/linux/sbsuspend.h
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+ 
+#ifndef _LINUX_SBSUSPEND_H
+#define _LINUX_SBSUSPEND_H
+
+#ifdef CONFIG_HAS_SBSUSPEND
+#include <linux/list.h>
+#endif
+
+//level definition
+enum {
+    SB_LEVEL_DISABLE_TOUCH = 50,
+    SB_LEVEL_DISABLE_KEYPAD = 100,
+    SB_LEVEL_DISABLE_FB = 150,
+};
+
+//smartbook handler structure
+struct sb_handler {
+#ifdef CONFIG_HAS_SBSUSPEND
+    struct list_head link;
+    int level;
+    char name[32];
+    void (*plug_in)(struct sb_handler *h);
+    void (*plug_out)(struct sb_handler *h);
+    void (*enable)(struct sb_handler *h);
+    void (*disable)(struct sb_handler *h);
+    void (*suspend)(struct sb_handler *h);
+    void (*resume)(struct sb_handler *h);
+#endif
+};
+
+
+typedef int __bitwise sb_state_t;
+#define SB_STATE_DISABLE    ((__force sb_state_t) 0)
+#define SB_STATE_ENABLE     ((__force sb_state_t) 1)
+#define SB_STATE_SUSPEND    ((__force sb_state_t) 2)
+#define SB_STATE_RESUME     ((__force sb_state_t) 3)
+#define SB_STATE_MAX        ((__force sb_state_t) 4)
+
+/*
+typedef int __bitwise sb_event_t;
+#define SB_EVENT_ENABLE     ((__force sb_state_t) 0)
+#define SB_EVENT_DISABLE    ((__force sb_state_t) 1)
+#define SB_EVENT_SUSPEND    ((__force sb_state_t) 2)
+#define SB_EVENT_RESUME     ((__force sb_state_t) 3)
+*/
+
+#ifdef CONFIG_HAS_SBSUSPEND
+
+//for peripheral drivers who is smartbook aware to register handler (process context)
+extern void register_sb_handler(struct sb_handler *handler);
+extern void unregister_sb_handler(struct sb_handler *handler);
+
+//for tester to execute callbacks directly (process context)
+extern void sb_enable(void);
+extern void sb_disable(void);
+extern void sb_suspend(void);
+extern void sb_resume(void);
+
+//for hdmi driver to notify plug in/out event
+extern void sb_plug_in(void);
+extern void sb_plug_out(void);
+
+#else
+
+#define register_sb_handler(handler) do { } while (0)
+#define unregister_sb_handler(handler) do { } while (0)
+#define sb_enable() do { } while (0)
+#define sb_disable() do { } while (0)
+#define sb_suspend() do { } while (0)
+#define sb_resume() do { } while (0)
+
+#endif
+
+#endif //#ifndef _LINUX_SBSUSPEND_H
+