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[PATCH 2/9] Loongson: YeeLoong: add platform driver

To: Ralf Baechle <ralf@linux-mips.org>
Subject: [PATCH 2/9] Loongson: YeeLoong: add platform driver
From: Wu Zhangjin <wuzhangjin@gmail.com>
Date: Sun, 23 May 2010 21:59:41 +0800
Cc: linux-mips@linux-mips.org, Wu Zhangjin <wuzhangjin@gmail.com>
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In-reply-to: <cover.1274622624.git.wuzhangjin@gmail.com>
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References: <cover.1274622624.git.wuzhangjin@gmail.com>
Sender: linux-mips-bounce@linux-mips.org
This patch adds platform driver for YeeLoong, Currently, This driver is
"empty", the subdrivers will be added in the coming patches.

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
---
 arch/mips/include/asm/mach-loongson/ec_kb3310b.h |  190 ++++++++++++++++++++++
 arch/mips/loongson/lemote-2f/Makefile            |    2 +-
 arch/mips/loongson/lemote-2f/ec_kb3310b.c        |   12 +-
 arch/mips/loongson/lemote-2f/ec_kb3310b.h        |  188 ---------------------
 arch/mips/loongson/lemote-2f/platform.c          |   39 +++++
 arch/mips/loongson/lemote-2f/pm.c                |    4 +-
 arch/mips/loongson/lemote-2f/reset.c             |    2 +-
 drivers/platform/Makefile                        |    1 +
 drivers/platform/mips/Kconfig                    |    8 +
 drivers/platform/mips/Makefile                   |    5 +
 drivers/platform/mips/yeeloong_laptop.c          |   59 +++++++
 11 files changed, 310 insertions(+), 200 deletions(-)
 create mode 100644 arch/mips/include/asm/mach-loongson/ec_kb3310b.h
 delete mode 100644 arch/mips/loongson/lemote-2f/ec_kb3310b.h
 create mode 100644 arch/mips/loongson/lemote-2f/platform.c
 create mode 100644 drivers/platform/mips/Makefile
 create mode 100644 drivers/platform/mips/yeeloong_laptop.c

diff --git a/arch/mips/include/asm/mach-loongson/ec_kb3310b.h 
b/arch/mips/include/asm/mach-loongson/ec_kb3310b.h
new file mode 100644
index 0000000..a4926df
--- /dev/null
+++ b/arch/mips/include/asm/mach-loongson/ec_kb3310b.h
@@ -0,0 +1,190 @@
+/*
+ * KB3310B Embedded Controller
+ *
+ *  Copyright (C) 2008 Lemote Inc.
+ *  Author: liujl <liujl@lemote.com>, 2008-03-14
+ *  Copyright (C) 2009, 2010 Wu Zhangjin <wuzhangjin@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef _EC_KB3310B_H
+#define _EC_KB3310B_H
+
+extern unsigned char ec_read(unsigned short addr);
+extern void ec_write(unsigned short addr, unsigned char val);
+extern int ec_query_seq(unsigned char cmd);
+extern int ec_query_event_num(void);
+extern int ec_get_event_num(void);
+
+typedef int (*sci_handler) (int status);
+extern sci_handler yeeloong_report_lid_status;
+
+#define SCI_IRQ_NUM 0x0A
+
+/*
+ * The following registers are determined by the EC index configuration.
+ * 1, fill the PORT_HIGH as EC register high part.
+ * 2, fill the PORT_LOW as EC register low part.
+ * 3, fill the PORT_DATA as EC register write data or get the data from it.
+ */
+#define        EC_IO_PORT_HIGH 0x0381
+#define        EC_IO_PORT_LOW  0x0382
+#define        EC_IO_PORT_DATA 0x0383
+
+/*
+ * EC delay time is 500us for register and status access
+ */
+#define        EC_REG_DELAY    500     /* unit : us */
+#define        EC_CMD_TIMEOUT  0x1000
+
+/*
+ * EC access port for SCI communication
+ */
+#define        EC_CMD_PORT             0x66
+#define        EC_STS_PORT             0x66
+#define        EC_DAT_PORT             0x62
+#define        CMD_INIT_IDLE_MODE      0xdd
+#define        CMD_EXIT_IDLE_MODE      0xdf
+#define        CMD_INIT_RESET_MODE     0xd8
+#define        CMD_REBOOT_SYSTEM       0x8c
+#define        CMD_GET_EVENT_NUM       0x84
+#define        CMD_PROGRAM_PIECE       0xda
+
+/* Temperature & Fan registers */
+#define        REG_TEMPERATURE_VALUE   0xF458
+#define        REG_FAN_AUTO_MAN_SWITCH 0xF459
+#define        BIT_FAN_AUTO            0
+#define        BIT_FAN_MANUAL          1
+#define        REG_FAN_CONTROL         0xF4D2
+#define        BIT_FAN_CONTROL_ON      (1 << 0)
+#define        BIT_FAN_CONTROL_OFF     (0 << 0)
+#define        REG_FAN_STATUS          0xF4DA
+#define        BIT_FAN_STATUS_ON       (1 << 0)
+#define        BIT_FAN_STATUS_OFF      (0 << 0)
+#define        REG_FAN_SPEED_HIGH      0xFE22
+#define        REG_FAN_SPEED_LOW       0xFE23
+#define        REG_FAN_SPEED_LEVEL     0xF4CC
+/* Fan speed divider */
+#define        FAN_SPEED_DIVIDER       480000  /* (60*1000*1000/62.5/2)*/
+
+/* Battery registers */
+#define        REG_BAT_DESIGN_CAP_HIGH         0xF77D
+#define        REG_BAT_DESIGN_CAP_LOW          0xF77E
+#define        REG_BAT_FULLCHG_CAP_HIGH        0xF780
+#define        REG_BAT_FULLCHG_CAP_LOW         0xF781
+#define        REG_BAT_DESIGN_VOL_HIGH         0xF782
+#define        REG_BAT_DESIGN_VOL_LOW          0xF783
+#define        REG_BAT_CURRENT_HIGH            0xF784
+#define        REG_BAT_CURRENT_LOW             0xF785
+#define        REG_BAT_VOLTAGE_HIGH            0xF786
+#define        REG_BAT_VOLTAGE_LOW             0xF787
+#define        REG_BAT_TEMPERATURE_HIGH        0xF788
+#define        REG_BAT_TEMPERATURE_LOW         0xF789
+#define        REG_BAT_RELATIVE_CAP_HIGH       0xF492
+#define        REG_BAT_RELATIVE_CAP_LOW        0xF493
+#define        REG_BAT_VENDOR                  0xF4C4
+#define        FLAG_BAT_VENDOR_SANYO           0x01
+#define        FLAG_BAT_VENDOR_SIMPLO          0x02
+#define        REG_BAT_CELL_COUNT              0xF4C6
+#define        FLAG_BAT_CELL_3S1P              0x03
+#define        FLAG_BAT_CELL_3S2P              0x06
+#define        REG_BAT_CHARGE                  0xF4A2
+#define        FLAG_BAT_CHARGE_DISCHARGE       0x01
+#define        FLAG_BAT_CHARGE_CHARGE          0x02
+#define        FLAG_BAT_CHARGE_ACPOWER         0x00
+#define        REG_BAT_STATUS                  0xF4B0
+#define        BIT_BAT_STATUS_LOW              (1 << 5)
+#define        BIT_BAT_STATUS_DESTROY          (1 << 2)
+#define        BIT_BAT_STATUS_FULL             (1 << 1)
+#define        BIT_BAT_STATUS_IN               (1 << 0)
+#define        REG_BAT_CHARGE_STATUS           0xF4B1
+#define        BIT_BAT_CHARGE_STATUS_OVERTEMP  (1 << 2)
+#define        BIT_BAT_CHARGE_STATUS_PRECHG    (1 << 1)
+#define        REG_BAT_STATE                   0xF482
+#define        BIT_BAT_STATE_CHARGING          (1 << 1)
+#define        BIT_BAT_STATE_DISCHARGING       (1 << 0)
+#define        REG_BAT_POWER                   0xF440
+#define        BIT_BAT_POWER_S3                (1 << 2)
+#define        BIT_BAT_POWER_ON                (1 << 1)
+#define        BIT_BAT_POWER_ACIN              (1 << 0)
+
+/* Audio: rd/wr */
+#define        REG_AUDIO_VOLUME        0xF46C
+#define        REG_AUDIO_MUTE          0xF4E7
+#define        REG_AUDIO_BEEP          0xF4D0
+/* USB port power or not: rd/wr */
+#define        REG_USB0_FLAG           0xF461
+#define        REG_USB1_FLAG           0xF462
+#define        REG_USB2_FLAG           0xF463
+#define        BIT_USB_FLAG_ON         1
+#define        BIT_USB_FLAG_OFF        0
+/* LID */
+#define        REG_LID_DETECT          0xF4BD
+#define        BIT_LID_DETECT_ON       1
+#define        BIT_LID_DETECT_OFF      0
+/* CRT */
+#define        REG_CRT_DETECT          0xF4AD
+#define        BIT_CRT_DETECT_PLUG     1
+#define        BIT_CRT_DETECT_UNPLUG   0
+/* LCD backlight brightness adjust: 9 levels */
+#define        REG_DISPLAY_BRIGHTNESS  0xF4F5
+/* Black screen Status */
+#define        BIT_DISPLAY_LCD_ON      1
+#define        BIT_DISPLAY_LCD_OFF     0
+/* LCD backlight control: off/restore */
+#define        REG_BACKLIGHT_CTRL      0xF7BD
+#define        BIT_BACKLIGHT_ON        1
+#define        BIT_BACKLIGHT_OFF       0
+/* Reset the machine auto-clear: rd/wr */
+#define        REG_RESET               0xF4EC
+#define        BIT_RESET_ON            1
+/* Light the led: rd/wr */
+#define        REG_LED                 0xF4C8
+#define        BIT_LED_RED_POWER       (1 << 0)
+#define        BIT_LED_ORANGE_POWER    (1 << 1)
+#define        BIT_LED_GREEN_CHARGE    (1 << 2)
+#define        BIT_LED_RED_CHARGE      (1 << 3)
+#define        BIT_LED_NUMLOCK         (1 << 4)
+/* Test led mode, all led on/off */
+#define        REG_LED_TEST            0xF4C2
+#define        BIT_LED_TEST_IN         1
+#define        BIT_LED_TEST_OUT        0
+/* Camera on/off */
+#define        REG_CAMERA_STATUS       0xF46A
+#define        BIT_CAMERA_STATUS_ON    1
+#define        BIT_CAMERA_STATUS_OFF   0
+#define        REG_CAMERA_CONTROL      0xF7B7
+#define        BIT_CAMERA_CONTROL_OFF  0
+#define        BIT_CAMERA_CONTROL_ON   1
+/* Wlan Status */
+#define        REG_WLAN                0xF4FA
+#define        BIT_WLAN_ON             1
+#define        BIT_WLAN_OFF            0
+#define        REG_DISPLAY_LCD         0xF79F
+
+/* SCI Event Number from EC */
+enum {
+       EVENT_LID = 0x23,       /*  Turn on/off LID */
+       EVENT_SWITCHVIDEOMODE,  /*  Fn+F3 for display switch */
+       EVENT_SLEEP,            /*  Fn+F1 for entering sleep mode */
+       EVENT_OVERTEMP,         /*  Over-temperature happened */
+       EVENT_CRT_DETECT,       /*  CRT is connected */
+       EVENT_CAMERA,           /*  Camera on/off */
+       EVENT_USB_OC2,          /*  USB2 Over Current occurred */
+       EVENT_USB_OC0,          /*  USB0 Over Current occurred */
+       EVENT_DISPLAYTOGGLE,    /*  Fn+F2, Turn on/off backlight */
+       EVENT_AUDIO_MUTE,       /*  Fn+F4, Mute on/off */
+       EVENT_DISPLAY_BRIGHTNESS,/* Fn+^/V, LCD backlight brightness adjust */
+       EVENT_AC_BAT,           /*  AC & Battery relative issue */
+       EVENT_AUDIO_VOLUME,     /*  Fn+<|>, Volume adjust */
+       EVENT_WLAN,             /*  Wlan on/off */
+};
+
+#define EVENT_START    EVENT_LID
+#define EVENT_END      EVENT_WLAN
+
+#endif /* !_EC_KB3310B_H */
diff --git a/arch/mips/loongson/lemote-2f/Makefile 
b/arch/mips/loongson/lemote-2f/Makefile
index 8699a53..10e9eb7 100644
--- a/arch/mips/loongson/lemote-2f/Makefile
+++ b/arch/mips/loongson/lemote-2f/Makefile
@@ -2,7 +2,7 @@
 # Makefile for lemote loongson2f family machines
 #
 
-obj-y += machtype.o irq.o reset.o ec_kb3310b.o
+obj-y += machtype.o irq.o reset.o ec_kb3310b.o platform.o
 
 #
 # Suspend Support
diff --git a/arch/mips/loongson/lemote-2f/ec_kb3310b.c 
b/arch/mips/loongson/lemote-2f/ec_kb3310b.c
index 6405724..23c3c27 100644
--- a/arch/mips/loongson/lemote-2f/ec_kb3310b.c
+++ b/arch/mips/loongson/lemote-2f/ec_kb3310b.c
@@ -14,7 +14,7 @@
 #include <linux/spinlock.h>
 #include <linux/delay.h>
 
-#include "ec_kb3310b.h"
+#include <ec_kb3310b.h>
 
 static DEFINE_SPINLOCK(index_access_lock);
 static DEFINE_SPINLOCK(port_access_lock);
@@ -78,12 +78,9 @@ int ec_query_seq(unsigned char cmd)
        spin_unlock_irqrestore(&port_access_lock, flags);
 
        if (timeout <= 0) {
-               printk(KERN_ERR "%s: deadable error : timeout...\n", __func__);
+               pr_err("%s: deadable error : timeout...\n", __func__);
                ret = -EINVAL;
-       } else
-               printk(KERN_INFO
-                          "(%x/%d)ec issued command %d status : 0x%x\n",
-                          timeout, EC_CMD_TIMEOUT - timeout, cmd, status);
+       }
 
        return ret;
 }
@@ -118,8 +115,7 @@ int ec_get_event_num(void)
                udelay(EC_REG_DELAY);
        }
        if (timeout <= 0) {
-               pr_info("%s: get event number timeout.\n", __func__);
-
+               pr_err("%s: get event number timeout.\n", __func__);
                return -EINVAL;
        }
        value = inb(EC_DAT_PORT);
diff --git a/arch/mips/loongson/lemote-2f/ec_kb3310b.h 
b/arch/mips/loongson/lemote-2f/ec_kb3310b.h
deleted file mode 100644
index 1595a21..0000000
--- a/arch/mips/loongson/lemote-2f/ec_kb3310b.h
+++ /dev/null
@@ -1,188 +0,0 @@
-/*
- * KB3310B Embedded Controller
- *
- *  Copyright (C) 2008 Lemote Inc.
- *  Author: liujl <liujl@lemote.com>, 2008-03-14
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#ifndef _EC_KB3310B_H
-#define _EC_KB3310B_H
-
-extern unsigned char ec_read(unsigned short addr);
-extern void ec_write(unsigned short addr, unsigned char val);
-extern int ec_query_seq(unsigned char cmd);
-extern int ec_query_event_num(void);
-extern int ec_get_event_num(void);
-
-typedef int (*sci_handler) (int status);
-extern sci_handler yeeloong_report_lid_status;
-
-#define SCI_IRQ_NUM 0x0A
-
-/*
- * The following registers are determined by the EC index configuration.
- * 1, fill the PORT_HIGH as EC register high part.
- * 2, fill the PORT_LOW as EC register low part.
- * 3, fill the PORT_DATA as EC register write data or get the data from it.
- */
-#define        EC_IO_PORT_HIGH 0x0381
-#define        EC_IO_PORT_LOW  0x0382
-#define        EC_IO_PORT_DATA 0x0383
-
-/*
- * EC delay time is 500us for register and status access
- */
-#define        EC_REG_DELAY    500     /* unit : us */
-#define        EC_CMD_TIMEOUT  0x1000
-
-/*
- * EC access port for SCI communication
- */
-#define        EC_CMD_PORT             0x66
-#define        EC_STS_PORT             0x66
-#define        EC_DAT_PORT             0x62
-#define        CMD_INIT_IDLE_MODE      0xdd
-#define        CMD_EXIT_IDLE_MODE      0xdf
-#define        CMD_INIT_RESET_MODE     0xd8
-#define        CMD_REBOOT_SYSTEM       0x8c
-#define        CMD_GET_EVENT_NUM       0x84
-#define        CMD_PROGRAM_PIECE       0xda
-
-/* temperature & fan registers */
-#define        REG_TEMPERATURE_VALUE   0xF458
-#define        REG_FAN_AUTO_MAN_SWITCH 0xF459
-#define        BIT_FAN_AUTO            0
-#define        BIT_FAN_MANUAL          1
-#define        REG_FAN_CONTROL         0xF4D2
-#define        BIT_FAN_CONTROL_ON      (1 << 0)
-#define        BIT_FAN_CONTROL_OFF     (0 << 0)
-#define        REG_FAN_STATUS          0xF4DA
-#define        BIT_FAN_STATUS_ON       (1 << 0)
-#define        BIT_FAN_STATUS_OFF      (0 << 0)
-#define        REG_FAN_SPEED_HIGH      0xFE22
-#define        REG_FAN_SPEED_LOW       0xFE23
-#define        REG_FAN_SPEED_LEVEL     0xF4CC
-/* fan speed divider */
-#define        FAN_SPEED_DIVIDER       480000  /* (60*1000*1000/62.5/2)*/
-
-/* battery registers */
-#define        REG_BAT_DESIGN_CAP_HIGH         0xF77D
-#define        REG_BAT_DESIGN_CAP_LOW          0xF77E
-#define        REG_BAT_FULLCHG_CAP_HIGH        0xF780
-#define        REG_BAT_FULLCHG_CAP_LOW         0xF781
-#define        REG_BAT_DESIGN_VOL_HIGH         0xF782
-#define        REG_BAT_DESIGN_VOL_LOW          0xF783
-#define        REG_BAT_CURRENT_HIGH            0xF784
-#define        REG_BAT_CURRENT_LOW             0xF785
-#define        REG_BAT_VOLTAGE_HIGH            0xF786
-#define        REG_BAT_VOLTAGE_LOW             0xF787
-#define        REG_BAT_TEMPERATURE_HIGH        0xF788
-#define        REG_BAT_TEMPERATURE_LOW         0xF789
-#define        REG_BAT_RELATIVE_CAP_HIGH       0xF492
-#define        REG_BAT_RELATIVE_CAP_LOW        0xF493
-#define        REG_BAT_VENDOR                  0xF4C4
-#define        FLAG_BAT_VENDOR_SANYO           0x01
-#define        FLAG_BAT_VENDOR_SIMPLO          0x02
-#define        REG_BAT_CELL_COUNT              0xF4C6
-#define        FLAG_BAT_CELL_3S1P              0x03
-#define        FLAG_BAT_CELL_3S2P              0x06
-#define        REG_BAT_CHARGE                  0xF4A2
-#define        FLAG_BAT_CHARGE_DISCHARGE       0x01
-#define        FLAG_BAT_CHARGE_CHARGE          0x02
-#define        FLAG_BAT_CHARGE_ACPOWER         0x00
-#define        REG_BAT_STATUS                  0xF4B0
-#define        BIT_BAT_STATUS_LOW              (1 << 5)
-#define        BIT_BAT_STATUS_DESTROY          (1 << 2)
-#define        BIT_BAT_STATUS_FULL             (1 << 1)
-#define        BIT_BAT_STATUS_IN               (1 << 0)
-#define        REG_BAT_CHARGE_STATUS           0xF4B1
-#define        BIT_BAT_CHARGE_STATUS_OVERTEMP  (1 << 2)
-#define        BIT_BAT_CHARGE_STATUS_PRECHG    (1 << 1)
-#define        REG_BAT_STATE                   0xF482
-#define        BIT_BAT_STATE_CHARGING          (1 << 1)
-#define        BIT_BAT_STATE_DISCHARGING       (1 << 0)
-#define        REG_BAT_POWER                   0xF440
-#define        BIT_BAT_POWER_S3                (1 << 2)
-#define        BIT_BAT_POWER_ON                (1 << 1)
-#define        BIT_BAT_POWER_ACIN              (1 << 0)
-
-/* other registers */
-/* Audio: rd/wr */
-#define        REG_AUDIO_VOLUME        0xF46C
-#define        REG_AUDIO_MUTE          0xF4E7
-#define        REG_AUDIO_BEEP          0xF4D0
-/* USB port power or not: rd/wr */
-#define        REG_USB0_FLAG           0xF461
-#define        REG_USB1_FLAG           0xF462
-#define        REG_USB2_FLAG           0xF463
-#define        BIT_USB_FLAG_ON         1
-#define        BIT_USB_FLAG_OFF        0
-/* LID */
-#define        REG_LID_DETECT          0xF4BD
-#define        BIT_LID_DETECT_ON       1
-#define        BIT_LID_DETECT_OFF      0
-/* CRT */
-#define        REG_CRT_DETECT          0xF4AD
-#define        BIT_CRT_DETECT_PLUG     1
-#define        BIT_CRT_DETECT_UNPLUG   0
-/* LCD backlight brightness adjust: 9 levels */
-#define        REG_DISPLAY_BRIGHTNESS  0xF4F5
-/* Black screen Status */
-#define        BIT_DISPLAY_LCD_ON      1
-#define        BIT_DISPLAY_LCD_OFF     0
-/* LCD backlight control: off/restore */
-#define        REG_BACKLIGHT_CTRL      0xF7BD
-#define        BIT_BACKLIGHT_ON        1
-#define        BIT_BACKLIGHT_OFF       0
-/* Reset the machine auto-clear: rd/wr */
-#define        REG_RESET               0xF4EC
-#define        BIT_RESET_ON            1
-/* Light the led: rd/wr */
-#define        REG_LED                 0xF4C8
-#define        BIT_LED_RED_POWER       (1 << 0)
-#define        BIT_LED_ORANGE_POWER    (1 << 1)
-#define        BIT_LED_GREEN_CHARGE    (1 << 2)
-#define        BIT_LED_RED_CHARGE      (1 << 3)
-#define        BIT_LED_NUMLOCK         (1 << 4)
-/* Test led mode, all led on/off */
-#define        REG_LED_TEST            0xF4C2
-#define        BIT_LED_TEST_IN         1
-#define        BIT_LED_TEST_OUT        0
-/* Camera on/off */
-#define        REG_CAMERA_STATUS       0xF46A
-#define        BIT_CAMERA_STATUS_ON    1
-#define        BIT_CAMERA_STATUS_OFF   0
-#define        REG_CAMERA_CONTROL      0xF7B7
-#define        BIT_CAMERA_CONTROL_OFF  0
-#define        BIT_CAMERA_CONTROL_ON   1
-/* Wlan Status */
-#define        REG_WLAN                0xF4FA
-#define        BIT_WLAN_ON             1
-#define        BIT_WLAN_OFF            0
-#define        REG_DISPLAY_LCD         0xF79F
-
-/* SCI Event Number from EC */
-enum {
-       EVENT_LID = 0x23,       /*  LID open/close */
-       EVENT_DISPLAY_TOGGLE,   /*  Fn+F3 for display switch */
-       EVENT_SLEEP,            /*  Fn+F1 for entering sleep mode */
-       EVENT_OVERTEMP,         /*  Over-temperature happened */
-       EVENT_CRT_DETECT,       /*  CRT is connected */
-       EVENT_CAMERA,           /*  Camera on/off */
-       EVENT_USB_OC2,          /*  USB2 Over Current occurred */
-       EVENT_USB_OC0,          /*  USB0 Over Current occurred */
-       EVENT_BLACK_SCREEN,     /*  Turn on/off backlight */
-       EVENT_AUDIO_MUTE,       /*  Mute on/off */
-       EVENT_DISPLAY_BRIGHTNESS,/* LCD backlight brightness adjust */
-       EVENT_AC_BAT,           /*  AC & Battery relative issue */
-       EVENT_AUDIO_VOLUME,     /*  Volume adjust */
-       EVENT_WLAN,             /*  Wlan on/off */
-       EVENT_END
-};
-
-#endif /* !_EC_KB3310B_H */
diff --git a/arch/mips/loongson/lemote-2f/platform.c 
b/arch/mips/loongson/lemote-2f/platform.c
new file mode 100644
index 0000000..edce0d5
--- /dev/null
+++ b/arch/mips/loongson/lemote-2f/platform.c
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2009, 2010 Wu Zhangjin <wuzhangjin@gmail.com>
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/err.h>
+#include <linux/platform_device.h>
+
+#include <asm/bootinfo.h>
+
+static struct platform_device yeeloong_pdev = {
+       .name = "yeeloong_laptop",
+       .id = -1,
+};
+
+static int __init lemote2f_platform_init(void)
+{
+       struct platform_device *pdev = NULL;
+
+       switch (mips_machtype) {
+       case MACH_LEMOTE_YL2F89:
+               pdev = &yeeloong_pdev;
+               break;
+       default:
+               break;
+
+       }
+
+       if (pdev != NULL)
+               return platform_device_register(pdev);
+
+       return -ENODEV;
+}
+
+device_initcall(lemote2f_platform_init);
diff --git a/arch/mips/loongson/lemote-2f/pm.c 
b/arch/mips/loongson/lemote-2f/pm.c
index cac4d38..ff0d94a 100644
--- a/arch/mips/loongson/lemote-2f/pm.c
+++ b/arch/mips/loongson/lemote-2f/pm.c
@@ -23,7 +23,7 @@
 #include <loongson.h>
 
 #include <cs5536/cs5536_mfgpt.h>
-#include "ec_kb3310b.h"
+#include <ec_kb3310b.h>
 
 #define I8042_KBD_IRQ          1
 #define I8042_CTR_KBDINT       0x01
@@ -100,7 +100,7 @@ int wakeup_loongson(void)
        if (irq < 0)
                return 0;
 
-       printk(KERN_INFO "%s: irq = %d\n", __func__, irq);
+       pr_info("%s: irq = %d\n", __func__, irq);
 
        if (irq == I8042_KBD_IRQ)
                return 1;
diff --git a/arch/mips/loongson/lemote-2f/reset.c 
b/arch/mips/loongson/lemote-2f/reset.c
index 36020a0..8cff901 100644
--- a/arch/mips/loongson/lemote-2f/reset.c
+++ b/arch/mips/loongson/lemote-2f/reset.c
@@ -20,7 +20,7 @@
 #include <loongson.h>
 
 #include <cs5536/cs5536.h>
-#include "ec_kb3310b.h"
+#include <ec_kb3310b.h>
 
 static void reset_cpu(void)
 {
diff --git a/drivers/platform/Makefile b/drivers/platform/Makefile
index 782953a..8bdc97c 100644
--- a/drivers/platform/Makefile
+++ b/drivers/platform/Makefile
@@ -3,3 +3,4 @@
 #
 
 obj-$(CONFIG_X86)              += x86/
+obj-$(CONFIG_MIPS)             += mips/
diff --git a/drivers/platform/mips/Kconfig b/drivers/platform/mips/Kconfig
index 2f77693..5ac5215 100644
--- a/drivers/platform/mips/Kconfig
+++ b/drivers/platform/mips/Kconfig
@@ -14,5 +14,13 @@ menuconfig MIPS_PLATFORM_DEVICES
 
 if MIPS_PLATFORM_DEVICES
 
+config LEMOTE_YEELOONG2F
+       tristate "Lemote YeeLoong Laptop"
+       depends on LEMOTE_MACH2F
+       help
+         YeeLoong netbook is a mini laptop made by Lemote, which is basically
+         compatible to FuLoong2F mini PC, but it has an extra Embedded
+         Controller(kb3310b) for battery, hotkey, backlight, temperature and
+         fan management.
 
 endif # MIPS_PLATFORM_DEVICES
diff --git a/drivers/platform/mips/Makefile b/drivers/platform/mips/Makefile
new file mode 100644
index 0000000..506f920
--- /dev/null
+++ b/drivers/platform/mips/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for MIPS Platform-Specific Drivers
+#
+
+obj-$(CONFIG_LEMOTE_YEELOONG2F)        += yeeloong_laptop.o
diff --git a/drivers/platform/mips/yeeloong_laptop.c 
b/drivers/platform/mips/yeeloong_laptop.c
new file mode 100644
index 0000000..09f606c
--- /dev/null
+++ b/drivers/platform/mips/yeeloong_laptop.c
@@ -0,0 +1,59 @@
+/*
+ * Driver for YeeLoong laptop extras
+ *
+ *  Copyright (C) 2009, 2010 Wu Zhangjin <wuzhangjin@gmail.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ */
+
+#include <linux/err.h>
+#include <linux/platform_device.h>
+
+static struct platform_device_id platform_device_ids[] = {
+       {
+               .name = "yeeloong_laptop",
+       },
+       {}
+};
+
+MODULE_DEVICE_TABLE(platform, platform_device_ids);
+
+static struct platform_driver platform_driver = {
+       .driver = {
+                  .name = "yeeloong_laptop",
+                  .owner = THIS_MODULE,
+                  },
+       .id_table = platform_device_ids,
+};
+
+static int __init yeeloong_init(void)
+{
+       int ret;
+
+       pr_info("Load YeeLoong Laptop Platform Specific Driver.\n");
+
+       /* Register platform stuff */
+       ret = platform_driver_register(&platform_driver);
+       if (ret) {
+               pr_err("Fail to register yeeloong platform driver.\n");
+               return ret;
+       }
+
+       return 0;
+}
+
+static void __exit yeeloong_exit(void)
+{
+       platform_driver_unregister(&platform_driver);
+
+       pr_info("Unload YeeLoong Platform Specific Driver.\n");
+}
+
+module_init(yeeloong_init);
+module_exit(yeeloong_exit);
+
+MODULE_AUTHOR("Wu Zhangjin <wuzhangjin@gmail.com>");
+MODULE_DESCRIPTION("YeeLoong laptop driver");
+MODULE_LICENSE("GPL");
-- 
1.7.0.4


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