ACPI: move wmi, asus_acpi, toshiba_acpi to drivers/platform/x86

These are platform specific drivers that happen to use ACPI,
while drivers/acpi/ is for code that implements ACPI itself.

Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 0 insertions, 863 deletions

diff --git a/drivers/acpi/toshiba_acpi.c b/drivers/acpi/toshiba_acpi.c
deleted file mode 100644
index 40e60fc2e596..000000000000
--- a/drivers/acpi/toshiba_acpi.c
+++ /dev/null
@@ -1,863 +0,0 @@
-/*
- *  toshiba_acpi.c - Toshiba Laptop ACPI Extras
- *
- *
- *  Copyright (C) 2002-2004 John Belmonte
- *  Copyright (C) 2008 Philip Langdale
- *
- *  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.
- *
- *  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.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- *
- *  The devolpment page for this driver is located at
- *  http://memebeam.org/toys/ToshibaAcpiDriver.
- *
- *  Credits:
- *      Jonathan A. Buzzard - Toshiba HCI info, and critical tips on reverse
- *              engineering the Windows drivers
- *      Yasushi Nagato - changes for linux kernel 2.4 -> 2.5
- *      Rob Miller - TV out and hotkeys help
- *
- *
- *  TODO
- *
- */
-
-#define TOSHIBA_ACPI_VERSION    "0.19"
-#define PROC_INTERFACE_VERSION  1
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/proc_fs.h>
-#include <linux/backlight.h>
-#include <linux/platform_device.h>
-#include <linux/rfkill.h>
-#include <linux/input-polldev.h>
-
-#include <asm/uaccess.h>
-
-#include <acpi/acpi_drivers.h>
-
-MODULE_AUTHOR("John Belmonte");
-MODULE_DESCRIPTION("Toshiba Laptop ACPI Extras Driver");
-MODULE_LICENSE("GPL");
-
-#define MY_LOGPREFIX "toshiba_acpi: "
-#define MY_ERR KERN_ERR MY_LOGPREFIX
-#define MY_NOTICE KERN_NOTICE MY_LOGPREFIX
-#define MY_INFO KERN_INFO MY_LOGPREFIX
-
-/* Toshiba ACPI method paths */
-#define METHOD_LCD_BRIGHTNESS   "\\_SB_.PCI0.VGA_.LCD_._BCM"
-#define METHOD_HCI_1            "\\_SB_.VALD.GHCI"
-#define METHOD_HCI_2            "\\_SB_.VALZ.GHCI"
-#define METHOD_VIDEO_OUT        "\\_SB_.VALX.DSSX"
-
-/* Toshiba HCI interface definitions
- *
- * HCI is Toshiba's "Hardware Control Interface" which is supposed to
- * be uniform across all their models.  Ideally we would just call
- * dedicated ACPI methods instead of using this primitive interface.
- * However the ACPI methods seem to be incomplete in some areas (for
- * example they allow setting, but not reading, the LCD brightness value),
- * so this is still useful.
- */
-
-#define HCI_WORDS                       6
-
-/* operations */
-#define HCI_SET                         0xff00
-#define HCI_GET                         0xfe00
-
-/* return codes */
-#define HCI_SUCCESS                     0x0000
-#define HCI_FAILURE                     0x1000
-#define HCI_NOT_SUPPORTED               0x8000
-#define HCI_EMPTY                       0x8c00
-
-/* registers */
-#define HCI_FAN                         0x0004
-#define HCI_SYSTEM_EVENT                0x0016
-#define HCI_VIDEO_OUT                   0x001c
-#define HCI_HOTKEY_EVENT                0x001e
-#define HCI_LCD_BRIGHTNESS              0x002a
-#define HCI_WIRELESS                    0x0056
-
-/* field definitions */
-#define HCI_LCD_BRIGHTNESS_BITS         3
-#define HCI_LCD_BRIGHTNESS_SHIFT        (16-HCI_LCD_BRIGHTNESS_BITS)
-#define HCI_LCD_BRIGHTNESS_LEVELS       (1 << HCI_LCD_BRIGHTNESS_BITS)
-#define HCI_VIDEO_OUT_LCD               0x1
-#define HCI_VIDEO_OUT_CRT               0x2
-#define HCI_VIDEO_OUT_TV                0x4
-#define HCI_WIRELESS_KILL_SWITCH        0x01
-#define HCI_WIRELESS_BT_PRESENT         0x0f
-#define HCI_WIRELESS_BT_ATTACH          0x40
-#define HCI_WIRELESS_BT_POWER           0x80
-
-static const struct acpi_device_id toshiba_device_ids[] = {
-        {"TOS6200", 0},
-        {"TOS6208", 0},
-        {"TOS1900", 0},
-        {"", 0},
-};
-MODULE_DEVICE_TABLE(acpi, toshiba_device_ids);
-
-/* utility
- */
-
-static __inline__ void _set_bit(u32 * word, u32 mask, int value)
-{
-        *word = (*word & ~mask) | (mask * value);
-}
-
-/* acpi interface wrappers
- */
-
-static int is_valid_acpi_path(const char *methodName)
-{
-        acpi_handle handle;
-        acpi_status status;
-
-        status = acpi_get_handle(NULL, (char *)methodName, &handle);
-        return !ACPI_FAILURE(status);
-}
-
-static int write_acpi_int(const char *methodName, int val)
-{
-        struct acpi_object_list params;
-        union acpi_object in_objs[1];
-        acpi_status status;
-
-        params.count = ARRAY_SIZE(in_objs);
-        params.pointer = in_objs;
-        in_objs[0].type = ACPI_TYPE_INTEGER;
-        in_objs[0].integer.value = val;
-
-        status = acpi_evaluate_object(NULL, (char *)methodName, &params, NULL);
-        return (status == AE_OK);
-}
-
-#if 0
-static int read_acpi_int(const char *methodName, int *pVal)
-{
-        struct acpi_buffer results;
-        union acpi_object out_objs[1];
-        acpi_status status;
-
-        results.length = sizeof(out_objs);
-        results.pointer = out_objs;
-
-        status = acpi_evaluate_object(0, (char *)methodName, 0, &results);
-        *pVal = out_objs[0].integer.value;
-
-        return (status == AE_OK) && (out_objs[0].type == ACPI_TYPE_INTEGER);
-}
-#endif
-
-static const char *method_hci /*= 0*/ ;
-
-/* Perform a raw HCI call.  Here we don't care about input or output buffer
- * format.
- */
-static acpi_status hci_raw(const u32 in[HCI_WORDS], u32 out[HCI_WORDS])
-{
-        struct acpi_object_list params;
-        union acpi_object in_objs[HCI_WORDS];
-        struct acpi_buffer results;
-        union acpi_object out_objs[HCI_WORDS + 1];
-        acpi_status status;
-        int i;
-
-        params.count = HCI_WORDS;
-        params.pointer = in_objs;
-        for (i = 0; i < HCI_WORDS; ++i) {
-                in_objs[i].type = ACPI_TYPE_INTEGER;
-                in_objs[i].integer.value = in[i];
-        }
-
-        results.length = sizeof(out_objs);
-        results.pointer = out_objs;
-
-        status = acpi_evaluate_object(NULL, (char *)method_hci, &params,
-                                      &results);
-        if ((status == AE_OK) && (out_objs->package.count <= HCI_WORDS)) {
-                for (i = 0; i < out_objs->package.count; ++i) {
-                        out[i] = out_objs->package.elements[i].integer.value;
-                }
-        }
-
-        return status;
-}
-
-/* common hci tasks (get or set one or two value)
- *
- * In addition to the ACPI status, the HCI system returns a result which
- * may be useful (such as "not supported").
- */
-
-static acpi_status hci_write1(u32 reg, u32 in1, u32 * result)
-{
-        u32 in[HCI_WORDS] = { HCI_SET, reg, in1, 0, 0, 0 };
-        u32 out[HCI_WORDS];
-        acpi_status status = hci_raw(in, out);
-        *result = (status == AE_OK) ? out[0] : HCI_FAILURE;
-        return status;
-}
-
-static acpi_status hci_read1(u32 reg, u32 * out1, u32 * result)
-{
-        u32 in[HCI_WORDS] = { HCI_GET, reg, 0, 0, 0, 0 };
-        u32 out[HCI_WORDS];
-        acpi_status status = hci_raw(in, out);
-        *out1 = out[2];
-        *result = (status == AE_OK) ? out[0] : HCI_FAILURE;
-        return status;
-}
-
-static acpi_status hci_write2(u32 reg, u32 in1, u32 in2, u32 *result)
-{
-        u32 in[HCI_WORDS] = { HCI_SET, reg, in1, in2, 0, 0 };
-        u32 out[HCI_WORDS];
-        acpi_status status = hci_raw(in, out);
-        *result = (status == AE_OK) ? out[0] : HCI_FAILURE;
-        return status;
-}
-
-static acpi_status hci_read2(u32 reg, u32 *out1, u32 *out2, u32 *result)
-{
-        u32 in[HCI_WORDS] = { HCI_GET, reg, *out1, *out2, 0, 0 };
-        u32 out[HCI_WORDS];
-        acpi_status status = hci_raw(in, out);
-        *out1 = out[2];
-        *out2 = out[3];
-        *result = (status == AE_OK) ? out[0] : HCI_FAILURE;
-        return status;
-}
-
-struct toshiba_acpi_dev {
-        struct platform_device *p_dev;
-        struct rfkill *rfk_dev;
-        struct input_polled_dev *poll_dev;
-
-        const char *bt_name;
-        const char *rfk_name;
-
-        bool last_rfk_state;
-
-        struct mutex mutex;
-};
-
-static struct toshiba_acpi_dev toshiba_acpi = {
-        .bt_name = "Toshiba Bluetooth",
-        .rfk_name = "Toshiba RFKill Switch",
-        .last_rfk_state = false,
-};
-
-/* Bluetooth rfkill handlers */
-
-static u32 hci_get_bt_present(bool *present)
-{
-        u32 hci_result;
-        u32 value, value2;
-
-        value = 0;
-        value2 = 0;
-        hci_read2(HCI_WIRELESS, &value, &value2, &hci_result);
-        if (hci_result == HCI_SUCCESS)
-                *present = (value & HCI_WIRELESS_BT_PRESENT) ? true : false;
-
-        return hci_result;
-}
-
-static u32 hci_get_bt_on(bool *on)
-{
-        u32 hci_result;
-        u32 value, value2;
-
-        value = 0;
-        value2 = 0x0001;
-        hci_read2(HCI_WIRELESS, &value, &value2, &hci_result);
-        if (hci_result == HCI_SUCCESS)
-                *on = (value & HCI_WIRELESS_BT_POWER) &&
-                      (value & HCI_WIRELESS_BT_ATTACH);
-
-        return hci_result;
-}
-
-static u32 hci_get_radio_state(bool *radio_state)
-{
-        u32 hci_result;
-        u32 value, value2;
-
-        value = 0;
-        value2 = 0x0001;
-        hci_read2(HCI_WIRELESS, &value, &value2, &hci_result);
-
-        *radio_state = value & HCI_WIRELESS_KILL_SWITCH;
-        return hci_result;
-}
-
-static int bt_rfkill_toggle_radio(void *data, enum rfkill_state state)
-{
-        u32 result1, result2;
-        u32 value;
-        bool radio_state;
-        struct toshiba_acpi_dev *dev = data;
-
-        value = (state == RFKILL_STATE_UNBLOCKED);
-
-        if (hci_get_radio_state(&radio_state) != HCI_SUCCESS)
-                return -EFAULT;
-
-        switch (state) {
-        case RFKILL_STATE_UNBLOCKED:
-                if (!radio_state)
-                        return -EPERM;
-                break;
-        case RFKILL_STATE_SOFT_BLOCKED:
-                break;
-        default:
-                return -EINVAL;
-        }
-
-        mutex_lock(&dev->mutex);
-        hci_write2(HCI_WIRELESS, value, HCI_WIRELESS_BT_POWER, &result1);
-        hci_write2(HCI_WIRELESS, value, HCI_WIRELESS_BT_ATTACH, &result2);
-        mutex_unlock(&dev->mutex);
-
-        if (result1 != HCI_SUCCESS || result2 != HCI_SUCCESS)
-                return -EFAULT;
-
-        return 0;
-}
-
-static void bt_poll_rfkill(struct input_polled_dev *poll_dev)
-{
-        bool state_changed;
-        bool new_rfk_state;
-        bool value;
-        u32 hci_result;
-        struct toshiba_acpi_dev *dev = poll_dev->private;
-
-        hci_result = hci_get_radio_state(&value);
-        if (hci_result != HCI_SUCCESS)
-                return; /* Can't do anything useful */
-
-        new_rfk_state = value;
-
-        mutex_lock(&dev->mutex);
-        state_changed = new_rfk_state != dev->last_rfk_state;
-        dev->last_rfk_state = new_rfk_state;
-        mutex_unlock(&dev->mutex);
-
-        if (unlikely(state_changed)) {
-                rfkill_force_state(dev->rfk_dev,
-                                   new_rfk_state ?
-                                   RFKILL_STATE_SOFT_BLOCKED :
-                                   RFKILL_STATE_HARD_BLOCKED);
-                input_report_switch(poll_dev->input, SW_RFKILL_ALL,
-                                    new_rfk_state);
-                input_sync(poll_dev->input);
-        }
-}
-
-static struct proc_dir_entry *toshiba_proc_dir /*= 0*/ ;
-static struct backlight_device *toshiba_backlight_device;
-static int force_fan;
-static int last_key_event;
-static int key_event_valid;
-
-typedef struct _ProcItem {
-        const char *name;
-        char *(*read_func) (char *);
-        unsigned long (*write_func) (const char *, unsigned long);
-} ProcItem;
-
-/* proc file handlers
- */
-
-static int
-dispatch_read(char *page, char **start, off_t off, int count, int *eof,
-              ProcItem * item)
-{
-        char *p = page;
-        int len;
-
-        if (off == 0)
-                p = item->read_func(p);
-
-        /* ISSUE: I don't understand this code */
-        len = (p - page);
-        if (len <= off + count)
-                *eof = 1;
-        *start = page + off;
-        len -= off;
-        if (len > count)
-                len = count;
-        if (len < 0)
-                len = 0;
-        return len;
-}
-
-static int
-dispatch_write(struct file *file, const char __user * buffer,
-               unsigned long count, ProcItem * item)
-{
-        int result;
-        char *tmp_buffer;
-
-        /* Arg buffer points to userspace memory, which can't be accessed
-         * directly.  Since we're making a copy, zero-terminate the
-         * destination so that sscanf can be used on it safely.
-         */
-        tmp_buffer = kmalloc(count + 1, GFP_KERNEL);
-        if (!tmp_buffer)
-                return -ENOMEM;
-
-        if (copy_from_user(tmp_buffer, buffer, count)) {
-                result = -EFAULT;
-        } else {
-                tmp_buffer[count] = 0;
-                result = item->write_func(tmp_buffer, count);
-        }
-        kfree(tmp_buffer);
-        return result;
-}
-
-static int get_lcd(struct backlight_device *bd)
-{
-        u32 hci_result;
-        u32 value;
-
-        hci_read1(HCI_LCD_BRIGHTNESS, &value, &hci_result);
-        if (hci_result == HCI_SUCCESS) {
-                return (value >> HCI_LCD_BRIGHTNESS_SHIFT);
-        } else
-                return -EFAULT;
-}
-
-static char *read_lcd(char *p)
-{
-        int value = get_lcd(NULL);
-
-        if (value >= 0) {
-                p += sprintf(p, "brightness:              %d\n", value);
-                p += sprintf(p, "brightness_levels:       %d\n",
-                             HCI_LCD_BRIGHTNESS_LEVELS);
-        } else {
-                printk(MY_ERR "Error reading LCD brightness\n");
-        }
-
-        return p;
-}
-
-static int set_lcd(int value)
-{
-        u32 hci_result;
-
-        value = value << HCI_LCD_BRIGHTNESS_SHIFT;
-        hci_write1(HCI_LCD_BRIGHTNESS, value, &hci_result);
-        if (hci_result != HCI_SUCCESS)
-                return -EFAULT;
-
-        return 0;
-}
-
-static int set_lcd_status(struct backlight_device *bd)
-{
-        return set_lcd(bd->props.brightness);
-}
-
-static unsigned long write_lcd(const char *buffer, unsigned long count)
-{
-        int value;
-        int ret;
-
-        if (sscanf(buffer, " brightness : %i", &value) == 1 &&
-            value >= 0 && value < HCI_LCD_BRIGHTNESS_LEVELS) {
-                ret = set_lcd(value);
-                if (ret == 0)
-                        ret = count;
-        } else {
-                ret = -EINVAL;
-        }
-        return ret;
-}
-
-static char *read_video(char *p)
-{
-        u32 hci_result;
-        u32 value;
-
-        hci_read1(HCI_VIDEO_OUT, &value, &hci_result);
-        if (hci_result == HCI_SUCCESS) {
-                int is_lcd = (value & HCI_VIDEO_OUT_LCD) ? 1 : 0;
-                int is_crt = (value & HCI_VIDEO_OUT_CRT) ? 1 : 0;
-                int is_tv = (value & HCI_VIDEO_OUT_TV) ? 1 : 0;
-                p += sprintf(p, "lcd_out:                 %d\n", is_lcd);
-                p += sprintf(p, "crt_out:                 %d\n", is_crt);
-                p += sprintf(p, "tv_out:                  %d\n", is_tv);
-        } else {
-                printk(MY_ERR "Error reading video out status\n");
-        }
-
-        return p;
-}
-
-static unsigned long write_video(const char *buffer, unsigned long count)
-{
-        int value;
-        int remain = count;
-        int lcd_out = -1;
-        int crt_out = -1;
-        int tv_out = -1;
-        u32 hci_result;
-        u32 video_out;
-
-        /* scan expression.  Multiple expressions may be delimited with ;
-         *
-         *  NOTE: to keep scanning simple, invalid fields are ignored
-         */
-        while (remain) {
-                if (sscanf(buffer, " lcd_out : %i", &value) == 1)
-                        lcd_out = value & 1;
-                else if (sscanf(buffer, " crt_out : %i", &value) == 1)
-                        crt_out = value & 1;
-                else if (sscanf(buffer, " tv_out : %i", &value) == 1)
-                        tv_out = value & 1;
-                /* advance to one character past the next ; */
-                do {
-                        ++buffer;
-                        --remain;
-                }
-                while (remain && *(buffer - 1) != ';');
-        }
-
-        hci_read1(HCI_VIDEO_OUT, &video_out, &hci_result);
-        if (hci_result == HCI_SUCCESS) {
-                unsigned int new_video_out = video_out;
-                if (lcd_out != -1)
-                        _set_bit(&new_video_out, HCI_VIDEO_OUT_LCD, lcd_out);
-                if (crt_out != -1)
-                        _set_bit(&new_video_out, HCI_VIDEO_OUT_CRT, crt_out);
-                if (tv_out != -1)
-                        _set_bit(&new_video_out, HCI_VIDEO_OUT_TV, tv_out);
-                /* To avoid unnecessary video disruption, only write the new
-                 * video setting if something changed. */
-                if (new_video_out != video_out)
-                        write_acpi_int(METHOD_VIDEO_OUT, new_video_out);
-        } else {
-                return -EFAULT;
-        }
-
-        return count;
-}
-
-static char *read_fan(char *p)
-{
-        u32 hci_result;
-        u32 value;
-
-        hci_read1(HCI_FAN, &value, &hci_result);
-        if (hci_result == HCI_SUCCESS) {
-                p += sprintf(p, "running:                 %d\n", (value > 0));
-                p += sprintf(p, "force_on:                %d\n", force_fan);
-        } else {
-                printk(MY_ERR "Error reading fan status\n");
-        }
-
-        return p;
-}
-
-static unsigned long write_fan(const char *buffer, unsigned long count)
-{
-        int value;
-        u32 hci_result;
-
-        if (sscanf(buffer, " force_on : %i", &value) == 1 &&
-            value >= 0 && value <= 1) {
-                hci_write1(HCI_FAN, value, &hci_result);
-                if (hci_result != HCI_SUCCESS)
-                        return -EFAULT;
-                else
-                        force_fan = value;
-        } else {
-                return -EINVAL;
-        }
-
-        return count;
-}
-
-static char *read_keys(char *p)
-{
-        u32 hci_result;
-        u32 value;
-
-        if (!key_event_valid) {
-                hci_read1(HCI_SYSTEM_EVENT, &value, &hci_result);
-                if (hci_result == HCI_SUCCESS) {
-                        key_event_valid = 1;
-                        last_key_event = value;
-                } else if (hci_result == HCI_EMPTY) {
-                        /* better luck next time */
-                } else if (hci_result == HCI_NOT_SUPPORTED) {
-                        /* This is a workaround for an unresolved issue on
-                         * some machines where system events sporadically
-                         * become disabled. */
-                        hci_write1(HCI_SYSTEM_EVENT, 1, &hci_result);
-                        printk(MY_NOTICE "Re-enabled hotkeys\n");
-                } else {
-                        printk(MY_ERR "Error reading hotkey status\n");
-                        goto end;
-                }
-        }
-
-        p += sprintf(p, "hotkey_ready:            %d\n", key_event_valid);
-        p += sprintf(p, "hotkey:                  0x%04x\n", last_key_event);
-
-      end:
-        return p;
-}
-
-static unsigned long write_keys(const char *buffer, unsigned long count)
-{
-        int value;
-
-        if (sscanf(buffer, " hotkey_ready : %i", &value) == 1 && value == 0) {
-                key_event_valid = 0;
-        } else {
-                return -EINVAL;
-        }
-
-        return count;
-}
-
-static char *read_version(char *p)
-{
-        p += sprintf(p, "driver:                  %s\n", TOSHIBA_ACPI_VERSION);
-        p += sprintf(p, "proc_interface:          %d\n",
-                     PROC_INTERFACE_VERSION);
-        return p;
-}
-
-/* proc and module init
- */
-
-#define PROC_TOSHIBA            "toshiba"
-
-static ProcItem proc_items[] = {
-        {"lcd", read_lcd, write_lcd},
-        {"video", read_video, write_video},
-        {"fan", read_fan, write_fan},
-        {"keys", read_keys, write_keys},
-        {"version", read_version, NULL},
-        {NULL}
-};
-
-static acpi_status __init add_device(void)
-{
-        struct proc_dir_entry *proc;
-        ProcItem *item;
-
-        for (item = proc_items; item->name; ++item) {
-                proc = create_proc_read_entry(item->name,
-                                              S_IFREG | S_IRUGO | S_IWUSR,
-                                              toshiba_proc_dir,
-                                              (read_proc_t *) dispatch_read,
-                                              item);
-                if (proc)
-                        proc->owner = THIS_MODULE;
-                if (proc && item->write_func)
-                        proc->write_proc = (write_proc_t *) dispatch_write;
-        }
-
-        return AE_OK;
-}
-
-static acpi_status remove_device(void)
-{
-        ProcItem *item;
-
-        for (item = proc_items; item->name; ++item)
-                remove_proc_entry(item->name, toshiba_proc_dir);
-        return AE_OK;
-}
-
-static struct backlight_ops toshiba_backlight_data = {
-        .get_brightness = get_lcd,
-        .update_status  = set_lcd_status,
-};
-
-static void toshiba_acpi_exit(void)
-{
-        if (toshiba_acpi.poll_dev) {
-                input_unregister_polled_device(toshiba_acpi.poll_dev);
-                input_free_polled_device(toshiba_acpi.poll_dev);
-        }
-
-        if (toshiba_acpi.rfk_dev)
-                rfkill_unregister(toshiba_acpi.rfk_dev);
-
-        if (toshiba_backlight_device)
-                backlight_device_unregister(toshiba_backlight_device);
-
-        remove_device();
-
-        if (toshiba_proc_dir)
-                remove_proc_entry(PROC_TOSHIBA, acpi_root_dir);
-
-        platform_device_unregister(toshiba_acpi.p_dev);
-
-        return;
-}
-
-static int __init toshiba_acpi_init(void)
-{
-        acpi_status status = AE_OK;
-        u32 hci_result;
-        bool bt_present;
-        bool bt_on;
-        bool radio_on;
-        int ret = 0;
-
-        if (acpi_disabled)
-                return -ENODEV;
-
-        /* simple device detection: look for HCI method */
-        if (is_valid_acpi_path(METHOD_HCI_1))
-                method_hci = METHOD_HCI_1;
-        else if (is_valid_acpi_path(METHOD_HCI_2))
-                method_hci = METHOD_HCI_2;
-        else
-                return -ENODEV;
-
-        printk(MY_INFO "Toshiba Laptop ACPI Extras version %s\n",
-               TOSHIBA_ACPI_VERSION);
-        printk(MY_INFO "    HCI method: %s\n", method_hci);
-
-        mutex_init(&toshiba_acpi.mutex);
-
-        toshiba_acpi.p_dev = platform_device_register_simple("toshiba_acpi",
-                                                              -1, NULL, 0);
-        if (IS_ERR(toshiba_acpi.p_dev)) {
-                ret = PTR_ERR(toshiba_acpi.p_dev);
-                printk(MY_ERR "unable to register platform device\n");
-                toshiba_acpi.p_dev = NULL;
-                toshiba_acpi_exit();
-                return ret;
-        }
-
-        force_fan = 0;
-        key_event_valid = 0;
-
-        /* enable event fifo */
-        hci_write1(HCI_SYSTEM_EVENT, 1, &hci_result);
-
-        toshiba_proc_dir = proc_mkdir(PROC_TOSHIBA, acpi_root_dir);
-        if (!toshiba_proc_dir) {
-                toshiba_acpi_exit();
-                return -ENODEV;
-        } else {
-                toshiba_proc_dir->owner = THIS_MODULE;
-                status = add_device();
-                if (ACPI_FAILURE(status)) {
-                        toshiba_acpi_exit();
-                        return -ENODEV;
-                }
-        }
-
-        toshiba_backlight_device = backlight_device_register("toshiba",
-                                                &toshiba_acpi.p_dev->dev,
-                                                NULL,
-                                                &toshiba_backlight_data);
-        if (IS_ERR(toshiba_backlight_device)) {
-                ret = PTR_ERR(toshiba_backlight_device);
-
-                printk(KERN_ERR "Could not register toshiba backlight device\n");
-                toshiba_backlight_device = NULL;
-                toshiba_acpi_exit();
-                return ret;
-        }
-        toshiba_backlight_device->props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1;
-
-        /* Register rfkill switch for Bluetooth */
-        if (hci_get_bt_present(&bt_present) == HCI_SUCCESS && bt_present) {
-                toshiba_acpi.rfk_dev = rfkill_allocate(&toshiba_acpi.p_dev->dev,
-                                                        RFKILL_TYPE_BLUETOOTH);
-                if (!toshiba_acpi.rfk_dev) {
-                        printk(MY_ERR "unable to allocate rfkill device\n");
-                        toshiba_acpi_exit();
-                        return -ENOMEM;
-                }
-
-                toshiba_acpi.rfk_dev->name = toshiba_acpi.bt_name;
-                toshiba_acpi.rfk_dev->toggle_radio = bt_rfkill_toggle_radio;
-                toshiba_acpi.rfk_dev->user_claim_unsupported = 1;
-                toshiba_acpi.rfk_dev->data = &toshiba_acpi;
-
-                if (hci_get_bt_on(&bt_on) == HCI_SUCCESS && bt_on) {
-                        toshiba_acpi.rfk_dev->state = RFKILL_STATE_UNBLOCKED;
-                } else if (hci_get_radio_state(&radio_on) == HCI_SUCCESS &&
-                           radio_on) {
-                        toshiba_acpi.rfk_dev->state = RFKILL_STATE_SOFT_BLOCKED;
-                } else {
-                        toshiba_acpi.rfk_dev->state = RFKILL_STATE_HARD_BLOCKED;
-                }
-
-                ret = rfkill_register(toshiba_acpi.rfk_dev);
-                if (ret) {
-                        printk(MY_ERR "unable to register rfkill device\n");
-                        toshiba_acpi_exit();
-                        return -ENOMEM;
-                }
-
-                /* Register input device for kill switch */
-                toshiba_acpi.poll_dev = input_allocate_polled_device();
-                if (!toshiba_acpi.poll_dev) {
-                        printk(MY_ERR
-                               "unable to allocate kill-switch input device\n");
-                        toshiba_acpi_exit();
-                        return -ENOMEM;
-                }
-                toshiba_acpi.poll_dev->private = &toshiba_acpi;
-                toshiba_acpi.poll_dev->poll = bt_poll_rfkill;
-                toshiba_acpi.poll_dev->poll_interval = 1000; /* msecs */
-
-                toshiba_acpi.poll_dev->input->name = toshiba_acpi.rfk_name;
-                toshiba_acpi.poll_dev->input->id.bustype = BUS_HOST;
-                /* Toshiba USB ID */
-                toshiba_acpi.poll_dev->input->id.vendor = 0x0930;
-                set_bit(EV_SW, toshiba_acpi.poll_dev->input->evbit);
-                set_bit(SW_RFKILL_ALL, toshiba_acpi.poll_dev->input->swbit);
-                input_report_switch(toshiba_acpi.poll_dev->input,
-                                    SW_RFKILL_ALL, TRUE);
-                input_sync(toshiba_acpi.poll_dev->input);
-
-                ret = input_register_polled_device(toshiba_acpi.poll_dev);
-                if (ret) {
-                        printk(MY_ERR
-                               "unable to register kill-switch input device\n");
-                        toshiba_acpi_exit();
-                        return ret;
-                }
-        }
-
-        return 0;
-}
-
-module_init(toshiba_acpi_init);
-module_exit(toshiba_acpi_exit);