]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commitdiff
staging: samsung-laptop has moved to platform/x86
authorMichal Marek <mmarek@suse.cz>
Fri, 8 Apr 2011 15:02:06 +0000 (17:02 +0200)
committerMatthew Garrett <mjg@redhat.com>
Tue, 12 Apr 2011 15:27:31 +0000 (11:27 -0400)
Signed-off-by: Michal Marek <mmarek@suse.cz>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
drivers/staging/Kconfig
drivers/staging/Makefile
drivers/staging/samsung-laptop/Kconfig [deleted file]
drivers/staging/samsung-laptop/Makefile [deleted file]
drivers/staging/samsung-laptop/TODO [deleted file]
drivers/staging/samsung-laptop/samsung-laptop.c [deleted file]

index 18b43fcb4171bc267585bf90dc133c2dd57a1f4c..9d5a033e59bb8cd2efb9d56a1463471b4bbb6204 100644 (file)
@@ -133,8 +133,6 @@ source "drivers/staging/wlags49_h2/Kconfig"
 
 source "drivers/staging/wlags49_h25/Kconfig"
 
-source "drivers/staging/samsung-laptop/Kconfig"
-
 source "drivers/staging/sm7xx/Kconfig"
 
 source "drivers/staging/dt3155v4l/Kconfig"
index cfd13cd55efbb96778c190299c8e0850a784adc1..adebf8e14089fb7e8d46c05acef99855d812ff67 100644 (file)
@@ -49,7 +49,6 @@ obj-$(CONFIG_XVMALLOC)                += zram/
 obj-$(CONFIG_ZCACHE)           += zcache/
 obj-$(CONFIG_WLAGS49_H2)       += wlags49_h2/
 obj-$(CONFIG_WLAGS49_H25)      += wlags49_h25/
-obj-$(CONFIG_SAMSUNG_LAPTOP)   += samsung-laptop/
 obj-$(CONFIG_FB_SM7XX)         += sm7xx/
 obj-$(CONFIG_VIDEO_DT3155)     += dt3155v4l/
 obj-$(CONFIG_CRYSTALHD)                += crystalhd/
diff --git a/drivers/staging/samsung-laptop/Kconfig b/drivers/staging/samsung-laptop/Kconfig
deleted file mode 100644 (file)
index f27c608..0000000
+++ /dev/null
@@ -1,10 +0,0 @@
-config SAMSUNG_LAPTOP
-       tristate "Samsung Laptop driver"
-       default n
-       depends on RFKILL && BACKLIGHT_CLASS_DEVICE && X86
-       help
-         This module implements a driver for the N128 Samsung Laptop
-         providing control over the Wireless LED and the LCD backlight
-
-         To compile this driver as a module, choose
-         M here: the module will be called samsung-laptop.
diff --git a/drivers/staging/samsung-laptop/Makefile b/drivers/staging/samsung-laptop/Makefile
deleted file mode 100644 (file)
index 3c6f420..0000000
+++ /dev/null
@@ -1 +0,0 @@
-obj-$(CONFIG_SAMSUNG_LAPTOP)   += samsung-laptop.o
diff --git a/drivers/staging/samsung-laptop/TODO b/drivers/staging/samsung-laptop/TODO
deleted file mode 100644 (file)
index f7a6d58..0000000
+++ /dev/null
@@ -1,5 +0,0 @@
-TODO:
-       - review from other developers
-       - figure out ACPI video issues
-
-Please send patches to Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/samsung-laptop/samsung-laptop.c b/drivers/staging/samsung-laptop/samsung-laptop.c
deleted file mode 100644 (file)
index 2529446..0000000
+++ /dev/null
@@ -1,843 +0,0 @@
-/*
- * Samsung Laptop driver
- *
- * Copyright (C) 2009,2011 Greg Kroah-Hartman (gregkh@suse.de)
- * Copyright (C) 2009,2011 Novell Inc.
- *
- * 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.
- *
- */
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/pci.h>
-#include <linux/backlight.h>
-#include <linux/fb.h>
-#include <linux/dmi.h>
-#include <linux/platform_device.h>
-#include <linux/rfkill.h>
-
-/*
- * This driver is needed because a number of Samsung laptops do not hook
- * their control settings through ACPI.  So we have to poke around in the
- * BIOS to do things like brightness values, and "special" key controls.
- */
-
-/*
- * We have 0 - 8 as valid brightness levels.  The specs say that level 0 should
- * be reserved by the BIOS (which really doesn't make much sense), we tell
- * userspace that the value is 0 - 7 and then just tell the hardware 1 - 8
- */
-#define MAX_BRIGHT     0x07
-
-
-#define SABI_IFACE_MAIN                        0x00
-#define SABI_IFACE_SUB                 0x02
-#define SABI_IFACE_COMPLETE            0x04
-#define SABI_IFACE_DATA                        0x05
-
-/* Structure to get data back to the calling function */
-struct sabi_retval {
-       u8 retval[20];
-};
-
-struct sabi_header_offsets {
-       u8 port;
-       u8 re_mem;
-       u8 iface_func;
-       u8 en_mem;
-       u8 data_offset;
-       u8 data_segment;
-};
-
-struct sabi_commands {
-       /*
-        * Brightness is 0 - 8, as described above.
-        * Value 0 is for the BIOS to use
-        */
-       u8 get_brightness;
-       u8 set_brightness;
-
-       /*
-        * first byte:
-        * 0x00 - wireless is off
-        * 0x01 - wireless is on
-        * second byte:
-        * 0x02 - 3G is off
-        * 0x03 - 3G is on
-        * TODO, verify 3G is correct, that doesn't seem right...
-        */
-       u8 get_wireless_button;
-       u8 set_wireless_button;
-
-       /* 0 is off, 1 is on */
-       u8 get_backlight;
-       u8 set_backlight;
-
-       /*
-        * 0x80 or 0x00 - no action
-        * 0x81 - recovery key pressed
-        */
-       u8 get_recovery_mode;
-       u8 set_recovery_mode;
-
-       /*
-        * on seclinux: 0 is low, 1 is high,
-        * on swsmi: 0 is normal, 1 is silent, 2 is turbo
-        */
-       u8 get_performance_level;
-       u8 set_performance_level;
-
-       /*
-        * Tell the BIOS that Linux is running on this machine.
-        * 81 is on, 80 is off
-        */
-       u8 set_linux;
-};
-
-struct sabi_performance_level {
-       const char *name;
-       u8 value;
-};
-
-struct sabi_config {
-       const char *test_string;
-       u16 main_function;
-       const struct sabi_header_offsets header_offsets;
-       const struct sabi_commands commands;
-       const struct sabi_performance_level performance_levels[4];
-       u8 min_brightness;
-       u8 max_brightness;
-};
-
-static const struct sabi_config sabi_configs[] = {
-       {
-               .test_string = "SECLINUX",
-
-               .main_function = 0x4c49,
-
-               .header_offsets = {
-                       .port = 0x00,
-                       .re_mem = 0x02,
-                       .iface_func = 0x03,
-                       .en_mem = 0x04,
-                       .data_offset = 0x05,
-                       .data_segment = 0x07,
-               },
-
-               .commands = {
-                       .get_brightness = 0x00,
-                       .set_brightness = 0x01,
-
-                       .get_wireless_button = 0x02,
-                       .set_wireless_button = 0x03,
-
-                       .get_backlight = 0x04,
-                       .set_backlight = 0x05,
-
-                       .get_recovery_mode = 0x06,
-                       .set_recovery_mode = 0x07,
-
-                       .get_performance_level = 0x08,
-                       .set_performance_level = 0x09,
-
-                       .set_linux = 0x0a,
-               },
-
-               .performance_levels = {
-                       {
-                               .name = "silent",
-                               .value = 0,
-                       },
-                       {
-                               .name = "normal",
-                               .value = 1,
-                       },
-                       { },
-               },
-               .min_brightness = 1,
-               .max_brightness = 8,
-       },
-       {
-               .test_string = "SwSmi@",
-
-               .main_function = 0x5843,
-
-               .header_offsets = {
-                       .port = 0x00,
-                       .re_mem = 0x04,
-                       .iface_func = 0x02,
-                       .en_mem = 0x03,
-                       .data_offset = 0x05,
-                       .data_segment = 0x07,
-               },
-
-               .commands = {
-                       .get_brightness = 0x10,
-                       .set_brightness = 0x11,
-
-                       .get_wireless_button = 0x12,
-                       .set_wireless_button = 0x13,
-
-                       .get_backlight = 0x2d,
-                       .set_backlight = 0x2e,
-
-                       .get_recovery_mode = 0xff,
-                       .set_recovery_mode = 0xff,
-
-                       .get_performance_level = 0x31,
-                       .set_performance_level = 0x32,
-
-                       .set_linux = 0xff,
-               },
-
-               .performance_levels = {
-                       {
-                               .name = "normal",
-                               .value = 0,
-                       },
-                       {
-                               .name = "silent",
-                               .value = 1,
-                       },
-                       {
-                               .name = "overclock",
-                               .value = 2,
-                       },
-                       { },
-               },
-               .min_brightness = 0,
-               .max_brightness = 8,
-       },
-       { },
-};
-
-static const struct sabi_config *sabi_config;
-
-static void __iomem *sabi;
-static void __iomem *sabi_iface;
-static void __iomem *f0000_segment;
-static struct backlight_device *backlight_device;
-static struct mutex sabi_mutex;
-static struct platform_device *sdev;
-static struct rfkill *rfk;
-
-static int force;
-module_param(force, bool, 0);
-MODULE_PARM_DESC(force,
-               "Disable the DMI check and forces the driver to be loaded");
-
-static int debug;
-module_param(debug, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(debug, "Debug enabled or not");
-
-static int sabi_get_command(u8 command, struct sabi_retval *sretval)
-{
-       int retval = 0;
-       u16 port = readw(sabi + sabi_config->header_offsets.port);
-       u8 complete, iface_data;
-
-       mutex_lock(&sabi_mutex);
-
-       /* enable memory to be able to write to it */
-       outb(readb(sabi + sabi_config->header_offsets.en_mem), port);
-
-       /* write out the command */
-       writew(sabi_config->main_function, sabi_iface + SABI_IFACE_MAIN);
-       writew(command, sabi_iface + SABI_IFACE_SUB);
-       writeb(0, sabi_iface + SABI_IFACE_COMPLETE);
-       outb(readb(sabi + sabi_config->header_offsets.iface_func), port);
-
-       /* write protect memory to make it safe */
-       outb(readb(sabi + sabi_config->header_offsets.re_mem), port);
-
-       /* see if the command actually succeeded */
-       complete = readb(sabi_iface + SABI_IFACE_COMPLETE);
-       iface_data = readb(sabi_iface + SABI_IFACE_DATA);
-       if (complete != 0xaa || iface_data == 0xff) {
-               pr_warn("SABI get command 0x%02x failed with completion flag 0x%02x and data 0x%02x\n",
-                       command, complete, iface_data);
-               retval = -EINVAL;
-               goto exit;
-       }
-       /*
-        * Save off the data into a structure so the caller use it.
-        * Right now we only want the first 4 bytes,
-        * There are commands that need more, but not for the ones we
-        * currently care about.
-        */
-       sretval->retval[0] = readb(sabi_iface + SABI_IFACE_DATA);
-       sretval->retval[1] = readb(sabi_iface + SABI_IFACE_DATA + 1);
-       sretval->retval[2] = readb(sabi_iface + SABI_IFACE_DATA + 2);
-       sretval->retval[3] = readb(sabi_iface + SABI_IFACE_DATA + 3);
-
-exit:
-       mutex_unlock(&sabi_mutex);
-       return retval;
-
-}
-
-static int sabi_set_command(u8 command, u8 data)
-{
-       int retval = 0;
-       u16 port = readw(sabi + sabi_config->header_offsets.port);
-       u8 complete, iface_data;
-
-       mutex_lock(&sabi_mutex);
-
-       /* enable memory to be able to write to it */
-       outb(readb(sabi + sabi_config->header_offsets.en_mem), port);
-
-       /* write out the command */
-       writew(sabi_config->main_function, sabi_iface + SABI_IFACE_MAIN);
-       writew(command, sabi_iface + SABI_IFACE_SUB);
-       writeb(0, sabi_iface + SABI_IFACE_COMPLETE);
-       writeb(data, sabi_iface + SABI_IFACE_DATA);
-       outb(readb(sabi + sabi_config->header_offsets.iface_func), port);
-
-       /* write protect memory to make it safe */
-       outb(readb(sabi + sabi_config->header_offsets.re_mem), port);
-
-       /* see if the command actually succeeded */
-       complete = readb(sabi_iface + SABI_IFACE_COMPLETE);
-       iface_data = readb(sabi_iface + SABI_IFACE_DATA);
-       if (complete != 0xaa || iface_data == 0xff) {
-               pr_warn("SABI set command 0x%02x failed with completion flag 0x%02x and data 0x%02x\n",
-                      command, complete, iface_data);
-               retval = -EINVAL;
-       }
-
-       mutex_unlock(&sabi_mutex);
-       return retval;
-}
-
-static void test_backlight(void)
-{
-       struct sabi_retval sretval;
-
-       sabi_get_command(sabi_config->commands.get_backlight, &sretval);
-       printk(KERN_DEBUG "backlight = 0x%02x\n", sretval.retval[0]);
-
-       sabi_set_command(sabi_config->commands.set_backlight, 0);
-       printk(KERN_DEBUG "backlight should be off\n");
-
-       sabi_get_command(sabi_config->commands.get_backlight, &sretval);
-       printk(KERN_DEBUG "backlight = 0x%02x\n", sretval.retval[0]);
-
-       msleep(1000);
-
-       sabi_set_command(sabi_config->commands.set_backlight, 1);
-       printk(KERN_DEBUG "backlight should be on\n");
-
-       sabi_get_command(sabi_config->commands.get_backlight, &sretval);
-       printk(KERN_DEBUG "backlight = 0x%02x\n", sretval.retval[0]);
-}
-
-static void test_wireless(void)
-{
-       struct sabi_retval sretval;
-
-       sabi_get_command(sabi_config->commands.get_wireless_button, &sretval);
-       printk(KERN_DEBUG "wireless led = 0x%02x\n", sretval.retval[0]);
-
-       sabi_set_command(sabi_config->commands.set_wireless_button, 0);
-       printk(KERN_DEBUG "wireless led should be off\n");
-
-       sabi_get_command(sabi_config->commands.get_wireless_button, &sretval);
-       printk(KERN_DEBUG "wireless led = 0x%02x\n", sretval.retval[0]);
-
-       msleep(1000);
-
-       sabi_set_command(sabi_config->commands.set_wireless_button, 1);
-       printk(KERN_DEBUG "wireless led should be on\n");
-
-       sabi_get_command(sabi_config->commands.get_wireless_button, &sretval);
-       printk(KERN_DEBUG "wireless led = 0x%02x\n", sretval.retval[0]);
-}
-
-static u8 read_brightness(void)
-{
-       struct sabi_retval sretval;
-       int user_brightness = 0;
-       int retval;
-
-       retval = sabi_get_command(sabi_config->commands.get_brightness,
-                                 &sretval);
-       if (!retval) {
-               user_brightness = sretval.retval[0];
-               if (user_brightness != 0)
-                       user_brightness -= sabi_config->min_brightness;
-       }
-       return user_brightness;
-}
-
-static void set_brightness(u8 user_brightness)
-{
-       u8 user_level = user_brightness - sabi_config->min_brightness;
-
-       sabi_set_command(sabi_config->commands.set_brightness, user_level);
-}
-
-static int get_brightness(struct backlight_device *bd)
-{
-       return (int)read_brightness();
-}
-
-static int update_status(struct backlight_device *bd)
-{
-       set_brightness(bd->props.brightness);
-
-       if (bd->props.power == FB_BLANK_UNBLANK)
-               sabi_set_command(sabi_config->commands.set_backlight, 1);
-       else
-               sabi_set_command(sabi_config->commands.set_backlight, 0);
-       return 0;
-}
-
-static const struct backlight_ops backlight_ops = {
-       .get_brightness = get_brightness,
-       .update_status  = update_status,
-};
-
-static int rfkill_set(void *data, bool blocked)
-{
-       /* Do something with blocked...*/
-       /*
-        * blocked == false is on
-        * blocked == true is off
-        */
-       if (blocked)
-               sabi_set_command(sabi_config->commands.set_wireless_button, 0);
-       else
-               sabi_set_command(sabi_config->commands.set_wireless_button, 1);
-
-       return 0;
-}
-
-static struct rfkill_ops rfkill_ops = {
-       .set_block = rfkill_set,
-};
-
-static int init_wireless(struct platform_device *sdev)
-{
-       int retval;
-
-       rfk = rfkill_alloc("samsung-wifi", &sdev->dev, RFKILL_TYPE_WLAN,
-                          &rfkill_ops, NULL);
-       if (!rfk)
-               return -ENOMEM;
-
-       retval = rfkill_register(rfk);
-       if (retval) {
-               rfkill_destroy(rfk);
-               return -ENODEV;
-       }
-
-       return 0;
-}
-
-static void destroy_wireless(void)
-{
-       rfkill_unregister(rfk);
-       rfkill_destroy(rfk);
-}
-
-static ssize_t get_performance_level(struct device *dev,
-                                    struct device_attribute *attr, char *buf)
-{
-       struct sabi_retval sretval;
-       int retval;
-       int i;
-
-       /* Read the state */
-       retval = sabi_get_command(sabi_config->commands.get_performance_level,
-                                 &sretval);
-       if (retval)
-               return retval;
-
-       /* The logic is backwards, yeah, lots of fun... */
-       for (i = 0; sabi_config->performance_levels[i].name; ++i) {
-               if (sretval.retval[0] == sabi_config->performance_levels[i].value)
-                       return sprintf(buf, "%s\n", sabi_config->performance_levels[i].name);
-       }
-       return sprintf(buf, "%s\n", "unknown");
-}
-
-static ssize_t set_performance_level(struct device *dev,
-                               struct device_attribute *attr, const char *buf,
-                               size_t count)
-{
-       if (count >= 1) {
-               int i;
-               for (i = 0; sabi_config->performance_levels[i].name; ++i) {
-                       const struct sabi_performance_level *level =
-                               &sabi_config->performance_levels[i];
-                       if (!strncasecmp(level->name, buf, strlen(level->name))) {
-                               sabi_set_command(sabi_config->commands.set_performance_level,
-                                                level->value);
-                               break;
-                       }
-               }
-               if (!sabi_config->performance_levels[i].name)
-                       return -EINVAL;
-       }
-       return count;
-}
-static DEVICE_ATTR(performance_level, S_IWUSR | S_IRUGO,
-                  get_performance_level, set_performance_level);
-
-
-static int __init dmi_check_cb(const struct dmi_system_id *id)
-{
-       pr_info("found laptop model '%s'\n",
-               id->ident);
-       return 0;
-}
-
-static struct dmi_system_id __initdata samsung_dmi_table[] = {
-       {
-               .ident = "N128",
-               .matches = {
-                       DMI_MATCH(DMI_SYS_VENDOR,
-                                       "SAMSUNG ELECTRONICS CO., LTD."),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "N128"),
-                       DMI_MATCH(DMI_BOARD_NAME, "N128"),
-               },
-               .callback = dmi_check_cb,
-       },
-       {
-               .ident = "N130",
-               .matches = {
-                       DMI_MATCH(DMI_SYS_VENDOR,
-                                       "SAMSUNG ELECTRONICS CO., LTD."),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "N130"),
-                       DMI_MATCH(DMI_BOARD_NAME, "N130"),
-               },
-               .callback = dmi_check_cb,
-       },
-       {
-               .ident = "X125",
-               .matches = {
-                       DMI_MATCH(DMI_SYS_VENDOR,
-                                       "SAMSUNG ELECTRONICS CO., LTD."),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "X125"),
-                       DMI_MATCH(DMI_BOARD_NAME, "X125"),
-               },
-               .callback = dmi_check_cb,
-       },
-       {
-               .ident = "X120/X170",
-               .matches = {
-                       DMI_MATCH(DMI_SYS_VENDOR,
-                                       "SAMSUNG ELECTRONICS CO., LTD."),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "X120/X170"),
-                       DMI_MATCH(DMI_BOARD_NAME, "X120/X170"),
-               },
-               .callback = dmi_check_cb,
-       },
-       {
-               .ident = "NC10",
-               .matches = {
-                       DMI_MATCH(DMI_SYS_VENDOR,
-                                       "SAMSUNG ELECTRONICS CO., LTD."),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "NC10"),
-                       DMI_MATCH(DMI_BOARD_NAME, "NC10"),
-               },
-               .callback = dmi_check_cb,
-       },
-               {
-               .ident = "NP-Q45",
-               .matches = {
-                       DMI_MATCH(DMI_SYS_VENDOR,
-                                       "SAMSUNG ELECTRONICS CO., LTD."),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "SQ45S70S"),
-                       DMI_MATCH(DMI_BOARD_NAME, "SQ45S70S"),
-               },
-               .callback = dmi_check_cb,
-               },
-       {
-               .ident = "X360",
-               .matches = {
-                       DMI_MATCH(DMI_SYS_VENDOR,
-                                       "SAMSUNG ELECTRONICS CO., LTD."),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "X360"),
-                       DMI_MATCH(DMI_BOARD_NAME, "X360"),
-               },
-               .callback = dmi_check_cb,
-       },
-       {
-               .ident = "R410 Plus",
-               .matches = {
-                       DMI_MATCH(DMI_SYS_VENDOR,
-                                       "SAMSUNG ELECTRONICS CO., LTD."),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "R410P"),
-                       DMI_MATCH(DMI_BOARD_NAME, "R460"),
-               },
-               .callback = dmi_check_cb,
-       },
-       {
-               .ident = "R518",
-               .matches = {
-                       DMI_MATCH(DMI_SYS_VENDOR,
-                                       "SAMSUNG ELECTRONICS CO., LTD."),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "R518"),
-                       DMI_MATCH(DMI_BOARD_NAME, "R518"),
-               },
-               .callback = dmi_check_cb,
-       },
-       {
-               .ident = "R519/R719",
-               .matches = {
-                       DMI_MATCH(DMI_SYS_VENDOR,
-                                       "SAMSUNG ELECTRONICS CO., LTD."),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "R519/R719"),
-                       DMI_MATCH(DMI_BOARD_NAME, "R519/R719"),
-               },
-               .callback = dmi_check_cb,
-       },
-       {
-               .ident = "N150/N210/N220/N230",
-               .matches = {
-                       DMI_MATCH(DMI_SYS_VENDOR,
-                                       "SAMSUNG ELECTRONICS CO., LTD."),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "N150/N210/N220/N230"),
-                       DMI_MATCH(DMI_BOARD_NAME, "N150/N210/N220/N230"),
-               },
-               .callback = dmi_check_cb,
-       },
-       {
-               .ident = "N150P/N210P/N220P",
-               .matches = {
-                       DMI_MATCH(DMI_SYS_VENDOR,
-                                       "SAMSUNG ELECTRONICS CO., LTD."),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "N150P/N210P/N220P"),
-                       DMI_MATCH(DMI_BOARD_NAME, "N150P/N210P/N220P"),
-               },
-               .callback = dmi_check_cb,
-       },
-       {
-               .ident = "R530/R730",
-               .matches = {
-                     DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
-                     DMI_MATCH(DMI_PRODUCT_NAME, "R530/R730"),
-                     DMI_MATCH(DMI_BOARD_NAME, "R530/R730"),
-               },
-               .callback = dmi_check_cb,
-       },
-       {
-               .ident = "NF110/NF210/NF310",
-               .matches = {
-                       DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "NF110/NF210/NF310"),
-                       DMI_MATCH(DMI_BOARD_NAME, "NF110/NF210/NF310"),
-               },
-               .callback = dmi_check_cb,
-       },
-       {
-               .ident = "N145P/N250P/N260P",
-               .matches = {
-                       DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "N145P/N250P/N260P"),
-                       DMI_MATCH(DMI_BOARD_NAME, "N145P/N250P/N260P"),
-               },
-               .callback = dmi_check_cb,
-       },
-       {
-               .ident = "R70/R71",
-               .matches = {
-                       DMI_MATCH(DMI_SYS_VENDOR,
-                                       "SAMSUNG ELECTRONICS CO., LTD."),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "R70/R71"),
-                       DMI_MATCH(DMI_BOARD_NAME, "R70/R71"),
-               },
-               .callback = dmi_check_cb,
-       },
-       {
-               .ident = "P460",
-               .matches = {
-                       DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
-                       DMI_MATCH(DMI_PRODUCT_NAME, "P460"),
-                       DMI_MATCH(DMI_BOARD_NAME, "P460"),
-               },
-               .callback = dmi_check_cb,
-       },
-       { },
-};
-MODULE_DEVICE_TABLE(dmi, samsung_dmi_table);
-
-static int find_signature(void __iomem *memcheck, const char *testStr)
-{
-       int i = 0;
-       int loca;
-
-       for (loca = 0; loca < 0xffff; loca++) {
-               char temp = readb(memcheck + loca);
-
-               if (temp == testStr[i]) {
-                       if (i == strlen(testStr)-1)
-                               break;
-                       ++i;
-               } else {
-                       i = 0;
-               }
-       }
-       return loca;
-}
-
-static int __init samsung_init(void)
-{
-       struct backlight_properties props;
-       struct sabi_retval sretval;
-       unsigned int ifaceP;
-       int i;
-       int loca;
-       int retval;
-
-       mutex_init(&sabi_mutex);
-
-       if (!force && !dmi_check_system(samsung_dmi_table))
-               return -ENODEV;
-
-       f0000_segment = ioremap_nocache(0xf0000, 0xffff);
-       if (!f0000_segment) {
-               pr_err("Can't map the segment at 0xf0000\n");
-               return -EINVAL;
-       }
-
-       /* Try to find one of the signatures in memory to find the header */
-       for (i = 0; sabi_configs[i].test_string != 0; ++i) {
-               sabi_config = &sabi_configs[i];
-               loca = find_signature(f0000_segment, sabi_config->test_string);
-               if (loca != 0xffff)
-                       break;
-       }
-
-       if (loca == 0xffff) {
-               pr_err("This computer does not support SABI\n");
-               goto error_no_signature;
-       }
-
-       /* point to the SMI port Number */
-       loca += 1;
-       sabi = (f0000_segment + loca);
-
-       if (debug) {
-               printk(KERN_DEBUG "This computer supports SABI==%x\n",
-                       loca + 0xf0000 - 6);
-               printk(KERN_DEBUG "SABI header:\n");
-               printk(KERN_DEBUG " SMI Port Number = 0x%04x\n",
-                       readw(sabi + sabi_config->header_offsets.port));
-               printk(KERN_DEBUG " SMI Interface Function = 0x%02x\n",
-                       readb(sabi + sabi_config->header_offsets.iface_func));
-               printk(KERN_DEBUG " SMI enable memory buffer = 0x%02x\n",
-                       readb(sabi + sabi_config->header_offsets.en_mem));
-               printk(KERN_DEBUG " SMI restore memory buffer = 0x%02x\n",
-                       readb(sabi + sabi_config->header_offsets.re_mem));
-               printk(KERN_DEBUG " SABI data offset = 0x%04x\n",
-                       readw(sabi + sabi_config->header_offsets.data_offset));
-               printk(KERN_DEBUG " SABI data segment = 0x%04x\n",
-                       readw(sabi + sabi_config->header_offsets.data_segment));
-       }
-
-       /* Get a pointer to the SABI Interface */
-       ifaceP = (readw(sabi + sabi_config->header_offsets.data_segment) & 0x0ffff) << 4;
-       ifaceP += readw(sabi + sabi_config->header_offsets.data_offset) & 0x0ffff;
-       sabi_iface = ioremap_nocache(ifaceP, 16);
-       if (!sabi_iface) {
-               pr_err("Can't remap %x\n", ifaceP);
-               goto exit;
-       }
-       if (debug) {
-               printk(KERN_DEBUG "ifaceP = 0x%08x\n", ifaceP);
-               printk(KERN_DEBUG "sabi_iface = %p\n", sabi_iface);
-
-               test_backlight();
-               test_wireless();
-
-               retval = sabi_get_command(sabi_config->commands.get_brightness,
-                                         &sretval);
-               printk(KERN_DEBUG "brightness = 0x%02x\n", sretval.retval[0]);
-       }
-
-       /* Turn on "Linux" mode in the BIOS */
-       if (sabi_config->commands.set_linux != 0xff) {
-               retval = sabi_set_command(sabi_config->commands.set_linux,
-                                         0x81);
-               if (retval) {
-                       pr_warn("Linux mode was not set!\n");
-                       goto error_no_platform;
-               }
-       }
-
-       /* knock up a platform device to hang stuff off of */
-       sdev = platform_device_register_simple("samsung", -1, NULL, 0);
-       if (IS_ERR(sdev))
-               goto error_no_platform;
-
-       /* create a backlight device to talk to this one */
-       memset(&props, 0, sizeof(struct backlight_properties));
-       props.type = BACKLIGHT_PLATFORM;
-       props.max_brightness = sabi_config->max_brightness;
-       backlight_device = backlight_device_register("samsung", &sdev->dev,
-                                                    NULL, &backlight_ops,
-                                                    &props);
-       if (IS_ERR(backlight_device))
-               goto error_no_backlight;
-
-       backlight_device->props.brightness = read_brightness();
-       backlight_device->props.power = FB_BLANK_UNBLANK;
-       backlight_update_status(backlight_device);
-
-       retval = init_wireless(sdev);
-       if (retval)
-               goto error_no_rfk;
-
-       retval = device_create_file(&sdev->dev, &dev_attr_performance_level);
-       if (retval)
-               goto error_file_create;
-
-exit:
-       return 0;
-
-error_file_create:
-       destroy_wireless();
-
-error_no_rfk:
-       backlight_device_unregister(backlight_device);
-
-error_no_backlight:
-       platform_device_unregister(sdev);
-
-error_no_platform:
-       iounmap(sabi_iface);
-
-error_no_signature:
-       iounmap(f0000_segment);
-       return -EINVAL;
-}
-
-static void __exit samsung_exit(void)
-{
-       /* Turn off "Linux" mode in the BIOS */
-       if (sabi_config->commands.set_linux != 0xff)
-               sabi_set_command(sabi_config->commands.set_linux, 0x80);
-
-       device_remove_file(&sdev->dev, &dev_attr_performance_level);
-       backlight_device_unregister(backlight_device);
-       destroy_wireless();
-       iounmap(sabi_iface);
-       iounmap(f0000_segment);
-       platform_device_unregister(sdev);
-}
-
-module_init(samsung_init);
-module_exit(samsung_exit);
-
-MODULE_AUTHOR("Greg Kroah-Hartman <gregkh@suse.de>");
-MODULE_DESCRIPTION("Samsung Backlight driver");
-MODULE_LICENSE("GPL");