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Diffstat (limited to 'drivers/platform/x86/toshiba_acpi.c')
-rw-r--r--drivers/platform/x86/toshiba_acpi.c1850
1 files changed, 1443 insertions, 407 deletions
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 40e60fc2e59..76441dcbe5f 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -4,6 +4,8 @@
*
* Copyright (C) 2002-2004 John Belmonte
* Copyright (C) 2008 Philip Langdale
+ * Copyright (C) 2010 Pierre Ducroquet
+ * Copyright (C) 2014 Azael Avalos
*
* 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
@@ -34,7 +36,9 @@
*
*/
-#define TOSHIBA_ACPI_VERSION "0.19"
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#define TOSHIBA_ACPI_VERSION "0.20"
#define PROC_INTERFACE_VERSION 1
#include <linux/kernel.h>
@@ -42,28 +46,29 @@
#include <linux/init.h>
#include <linux/types.h>
#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
#include <linux/backlight.h>
-#include <linux/platform_device.h>
#include <linux/rfkill.h>
-#include <linux/input-polldev.h>
-
+#include <linux/input.h>
+#include <linux/input/sparse-keymap.h>
+#include <linux/leds.h>
+#include <linux/slab.h>
+#include <linux/workqueue.h>
+#include <linux/i8042.h>
+#include <linux/acpi.h>
+#include <linux/dmi.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
+#define TOSHIBA_WMI_EVENT_GUID "59142400-C6A3-40FA-BADB-8A2652834100"
+
+/* Scan code for Fn key on TOS1900 models */
+#define TOS1900_FN_SCAN 0x6e
/* 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
@@ -74,6 +79,9 @@ MODULE_LICENSE("GPL");
* 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.
+ *
+ * SCI stands for "System Configuration Interface" which aim is to
+ * conceal differences in hardware between different models.
*/
#define HCI_WORDS 6
@@ -81,25 +89,48 @@ MODULE_LICENSE("GPL");
/* operations */
#define HCI_SET 0xff00
#define HCI_GET 0xfe00
+#define SCI_OPEN 0xf100
+#define SCI_CLOSE 0xf200
+#define SCI_GET 0xf300
+#define SCI_SET 0xf400
/* return codes */
#define HCI_SUCCESS 0x0000
#define HCI_FAILURE 0x1000
#define HCI_NOT_SUPPORTED 0x8000
#define HCI_EMPTY 0x8c00
+#define HCI_DATA_NOT_AVAILABLE 0x8d20
+#define HCI_NOT_INITIALIZED 0x8d50
+#define SCI_OPEN_CLOSE_OK 0x0044
+#define SCI_ALREADY_OPEN 0x8100
+#define SCI_NOT_OPENED 0x8200
+#define SCI_INPUT_DATA_ERROR 0x8300
+#define SCI_NOT_PRESENT 0x8600
/* registers */
#define HCI_FAN 0x0004
+#define HCI_TR_BACKLIGHT 0x0005
#define HCI_SYSTEM_EVENT 0x0016
#define HCI_VIDEO_OUT 0x001c
#define HCI_HOTKEY_EVENT 0x001e
#define HCI_LCD_BRIGHTNESS 0x002a
#define HCI_WIRELESS 0x0056
+#define HCI_ACCELEROMETER 0x006d
+#define HCI_KBD_ILLUMINATION 0x0095
+#define HCI_ECO_MODE 0x0097
+#define HCI_ACCELEROMETER2 0x00a6
+#define SCI_ILLUMINATION 0x014e
+#define SCI_KBD_ILLUM_STATUS 0x015c
+#define SCI_TOUCHPAD 0x050e
/* field definitions */
+#define HCI_ACCEL_MASK 0x7fff
+#define HCI_HOTKEY_DISABLE 0x0b
+#define HCI_HOTKEY_ENABLE 0x09
#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_MISC_SHIFT 0x10
#define HCI_VIDEO_OUT_LCD 0x1
#define HCI_VIDEO_OUT_CRT 0x2
#define HCI_VIDEO_OUT_TV 0x4
@@ -107,6 +138,44 @@ MODULE_LICENSE("GPL");
#define HCI_WIRELESS_BT_PRESENT 0x0f
#define HCI_WIRELESS_BT_ATTACH 0x40
#define HCI_WIRELESS_BT_POWER 0x80
+#define SCI_KBD_MODE_FNZ 0x1
+#define SCI_KBD_MODE_AUTO 0x2
+
+struct toshiba_acpi_dev {
+ struct acpi_device *acpi_dev;
+ const char *method_hci;
+ struct rfkill *bt_rfk;
+ struct input_dev *hotkey_dev;
+ struct work_struct hotkey_work;
+ struct backlight_device *backlight_dev;
+ struct led_classdev led_dev;
+ struct led_classdev kbd_led;
+ struct led_classdev eco_led;
+
+ int force_fan;
+ int last_key_event;
+ int key_event_valid;
+ int kbd_mode;
+ int kbd_time;
+
+ unsigned int illumination_supported:1;
+ unsigned int video_supported:1;
+ unsigned int fan_supported:1;
+ unsigned int system_event_supported:1;
+ unsigned int ntfy_supported:1;
+ unsigned int info_supported:1;
+ unsigned int tr_backlight_supported:1;
+ unsigned int kbd_illum_supported:1;
+ unsigned int kbd_led_registered:1;
+ unsigned int touchpad_supported:1;
+ unsigned int eco_supported:1;
+ unsigned int accelerometer_supported:1;
+ unsigned int sysfs_created:1;
+
+ struct mutex mutex;
+};
+
+static struct toshiba_acpi_dev *toshiba_acpi;
static const struct acpi_device_id toshiba_device_ids[] = {
{"TOS6200", 0},
@@ -116,6 +185,59 @@ static const struct acpi_device_id toshiba_device_ids[] = {
};
MODULE_DEVICE_TABLE(acpi, toshiba_device_ids);
+static const struct key_entry toshiba_acpi_keymap[] = {
+ { KE_KEY, 0x9e, { KEY_RFKILL } },
+ { KE_KEY, 0x101, { KEY_MUTE } },
+ { KE_KEY, 0x102, { KEY_ZOOMOUT } },
+ { KE_KEY, 0x103, { KEY_ZOOMIN } },
+ { KE_KEY, 0x12c, { KEY_KBDILLUMTOGGLE } },
+ { KE_KEY, 0x139, { KEY_ZOOMRESET } },
+ { KE_KEY, 0x13b, { KEY_COFFEE } },
+ { KE_KEY, 0x13c, { KEY_BATTERY } },
+ { KE_KEY, 0x13d, { KEY_SLEEP } },
+ { KE_KEY, 0x13e, { KEY_SUSPEND } },
+ { KE_KEY, 0x13f, { KEY_SWITCHVIDEOMODE } },
+ { KE_KEY, 0x140, { KEY_BRIGHTNESSDOWN } },
+ { KE_KEY, 0x141, { KEY_BRIGHTNESSUP } },
+ { KE_KEY, 0x142, { KEY_WLAN } },
+ { KE_KEY, 0x143, { KEY_TOUCHPAD_TOGGLE } },
+ { KE_KEY, 0x17f, { KEY_FN } },
+ { KE_KEY, 0xb05, { KEY_PROG2 } },
+ { KE_KEY, 0xb06, { KEY_WWW } },
+ { KE_KEY, 0xb07, { KEY_MAIL } },
+ { KE_KEY, 0xb30, { KEY_STOP } },
+ { KE_KEY, 0xb31, { KEY_PREVIOUSSONG } },
+ { KE_KEY, 0xb32, { KEY_NEXTSONG } },
+ { KE_KEY, 0xb33, { KEY_PLAYPAUSE } },
+ { KE_KEY, 0xb5a, { KEY_MEDIA } },
+ { KE_IGNORE, 0x1430, { KEY_RESERVED } },
+ { KE_END, 0 },
+};
+
+/* alternative keymap */
+static const struct dmi_system_id toshiba_alt_keymap_dmi[] = {
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Satellite M840"),
+ },
+ },
+ {}
+};
+
+static const struct key_entry toshiba_acpi_alt_keymap[] = {
+ { KE_KEY, 0x157, { KEY_MUTE } },
+ { KE_KEY, 0x102, { KEY_ZOOMOUT } },
+ { KE_KEY, 0x103, { KEY_ZOOMIN } },
+ { KE_KEY, 0x139, { KEY_ZOOMRESET } },
+ { KE_KEY, 0x13e, { KEY_SWITCHVIDEOMODE } },
+ { KE_KEY, 0x13c, { KEY_BRIGHTNESSDOWN } },
+ { KE_KEY, 0x13d, { KEY_BRIGHTNESSUP } },
+ { KE_KEY, 0x158, { KEY_WLAN } },
+ { KE_KEY, 0x13f, { KEY_TOUCHPAD_TOGGLE } },
+ { KE_END, 0 },
+};
+
/* utility
*/
@@ -127,53 +249,19 @@ static __inline__ void _set_bit(u32 * word, u32 mask, int 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);
+ status = acpi_execute_simple_method(NULL, (char *)methodName, val);
+ return (status == AE_OK) ? 0 : -EIO;
}
-#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])
+static acpi_status hci_raw(struct toshiba_acpi_dev *dev,
+ const u32 in[HCI_WORDS], u32 out[HCI_WORDS])
{
struct acpi_object_list params;
union acpi_object in_objs[HCI_WORDS];
@@ -192,7 +280,8 @@ static acpi_status hci_raw(const u32 in[HCI_WORDS], u32 out[HCI_WORDS])
results.length = sizeof(out_objs);
results.pointer = out_objs;
- status = acpi_evaluate_object(NULL, (char *)method_hci, &params,
+ status = acpi_evaluate_object(dev->acpi_dev->handle,
+ (char *)dev->method_hci, &params,
&results);
if ((status == AE_OK) && (out_objs->package.count <= HCI_WORDS)) {
for (i = 0; i < out_objs->package.count; ++i) {
@@ -209,287 +298,620 @@ static acpi_status hci_raw(const u32 in[HCI_WORDS], u32 out[HCI_WORDS])
* may be useful (such as "not supported").
*/
-static acpi_status hci_write1(u32 reg, u32 in1, u32 * result)
+static acpi_status hci_write1(struct toshiba_acpi_dev *dev, 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);
+ acpi_status status = hci_raw(dev, in, out);
*result = (status == AE_OK) ? out[0] : HCI_FAILURE;
return status;
}
-static acpi_status hci_read1(u32 reg, u32 * out1, u32 * result)
+static acpi_status hci_read1(struct toshiba_acpi_dev *dev, 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);
+ acpi_status status = hci_raw(dev, 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)
+static acpi_status hci_write2(struct toshiba_acpi_dev *dev, 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);
+ acpi_status status = hci_raw(dev, 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)
+static acpi_status hci_read2(struct toshiba_acpi_dev *dev, 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);
+ acpi_status status = hci_raw(dev, 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;
+/* common sci tasks
+ */
- const char *bt_name;
- const char *rfk_name;
+static int sci_open(struct toshiba_acpi_dev *dev)
+{
+ u32 in[HCI_WORDS] = { SCI_OPEN, 0, 0, 0, 0, 0 };
+ u32 out[HCI_WORDS];
+ acpi_status status;
- bool last_rfk_state;
+ status = hci_raw(dev, in, out);
+ if (ACPI_FAILURE(status) || out[0] == HCI_FAILURE) {
+ pr_err("ACPI call to open SCI failed\n");
+ return 0;
+ }
- struct mutex mutex;
-};
+ if (out[0] == SCI_OPEN_CLOSE_OK) {
+ return 1;
+ } else if (out[0] == SCI_ALREADY_OPEN) {
+ pr_info("Toshiba SCI already opened\n");
+ return 1;
+ } else if (out[0] == SCI_NOT_PRESENT) {
+ pr_info("Toshiba SCI is not present\n");
+ }
-static struct toshiba_acpi_dev toshiba_acpi = {
- .bt_name = "Toshiba Bluetooth",
- .rfk_name = "Toshiba RFKill Switch",
- .last_rfk_state = false,
-};
+ return 0;
+}
-/* Bluetooth rfkill handlers */
+static void sci_close(struct toshiba_acpi_dev *dev)
+{
+ u32 in[HCI_WORDS] = { SCI_CLOSE, 0, 0, 0, 0, 0 };
+ u32 out[HCI_WORDS];
+ acpi_status status;
+
+ status = hci_raw(dev, in, out);
+ if (ACPI_FAILURE(status) || out[0] == HCI_FAILURE) {
+ pr_err("ACPI call to close SCI failed\n");
+ return;
+ }
+
+ if (out[0] == SCI_OPEN_CLOSE_OK)
+ return;
+ else if (out[0] == SCI_NOT_OPENED)
+ pr_info("Toshiba SCI not opened\n");
+ else if (out[0] == SCI_NOT_PRESENT)
+ pr_info("Toshiba SCI is not present\n");
+}
-static u32 hci_get_bt_present(bool *present)
+static acpi_status sci_read(struct toshiba_acpi_dev *dev, u32 reg,
+ u32 *out1, u32 *result)
{
- u32 hci_result;
- u32 value, value2;
+ u32 in[HCI_WORDS] = { SCI_GET, reg, 0, 0, 0, 0 };
+ u32 out[HCI_WORDS];
+ acpi_status status = hci_raw(dev, in, out);
+ *out1 = out[2];
+ *result = (ACPI_SUCCESS(status)) ? out[0] : HCI_FAILURE;
+ return status;
+}
- 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;
+static acpi_status sci_write(struct toshiba_acpi_dev *dev, u32 reg,
+ u32 in1, u32 *result)
+{
+ u32 in[HCI_WORDS] = { SCI_SET, reg, in1, 0, 0, 0 };
+ u32 out[HCI_WORDS];
+ acpi_status status = hci_raw(dev, in, out);
+ *result = (ACPI_SUCCESS(status)) ? out[0] : HCI_FAILURE;
+ return status;
+}
- return hci_result;
+/* Illumination support */
+static int toshiba_illumination_available(struct toshiba_acpi_dev *dev)
+{
+ u32 in[HCI_WORDS] = { SCI_GET, SCI_ILLUMINATION, 0, 0, 0, 0 };
+ u32 out[HCI_WORDS];
+ acpi_status status;
+
+ if (!sci_open(dev))
+ return 0;
+
+ status = hci_raw(dev, in, out);
+ sci_close(dev);
+ if (ACPI_FAILURE(status) || out[0] == HCI_FAILURE) {
+ pr_err("ACPI call to query Illumination support failed\n");
+ return 0;
+ } else if (out[0] == HCI_NOT_SUPPORTED || out[1] != 1) {
+ pr_info("Illumination device not available\n");
+ return 0;
+ }
+
+ return 1;
+}
+
+static void toshiba_illumination_set(struct led_classdev *cdev,
+ enum led_brightness brightness)
+{
+ struct toshiba_acpi_dev *dev = container_of(cdev,
+ struct toshiba_acpi_dev, led_dev);
+ u32 state, result;
+ acpi_status status;
+
+ /* First request : initialize communication. */
+ if (!sci_open(dev))
+ return;
+
+ /* Switch the illumination on/off */
+ state = brightness ? 1 : 0;
+ status = sci_write(dev, SCI_ILLUMINATION, state, &result);
+ sci_close(dev);
+ if (ACPI_FAILURE(status)) {
+ pr_err("ACPI call for illumination failed\n");
+ return;
+ } else if (result == HCI_NOT_SUPPORTED) {
+ pr_info("Illumination not supported\n");
+ return;
+ }
+}
+
+static enum led_brightness toshiba_illumination_get(struct led_classdev *cdev)
+{
+ struct toshiba_acpi_dev *dev = container_of(cdev,
+ struct toshiba_acpi_dev, led_dev);
+ u32 state, result;
+ acpi_status status;
+
+ /* First request : initialize communication. */
+ if (!sci_open(dev))
+ return LED_OFF;
+
+ /* Check the illumination */
+ status = sci_read(dev, SCI_ILLUMINATION, &state, &result);
+ sci_close(dev);
+ if (ACPI_FAILURE(status) || result == SCI_INPUT_DATA_ERROR) {
+ pr_err("ACPI call for illumination failed\n");
+ return LED_OFF;
+ } else if (result == HCI_NOT_SUPPORTED) {
+ pr_info("Illumination not supported\n");
+ return LED_OFF;
+ }
+
+ return state ? LED_FULL : LED_OFF;
+}
+
+/* KBD Illumination */
+static int toshiba_kbd_illum_status_set(struct toshiba_acpi_dev *dev, u32 time)
+{
+ u32 result;
+ acpi_status status;
+
+ if (!sci_open(dev))
+ return -EIO;
+
+ status = sci_write(dev, SCI_KBD_ILLUM_STATUS, time, &result);
+ sci_close(dev);
+ if (ACPI_FAILURE(status) || result == SCI_INPUT_DATA_ERROR) {
+ pr_err("ACPI call to set KBD backlight status failed\n");
+ return -EIO;
+ } else if (result == HCI_NOT_SUPPORTED) {
+ pr_info("Keyboard backlight status not supported\n");
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static int toshiba_kbd_illum_status_get(struct toshiba_acpi_dev *dev, u32 *time)
+{
+ u32 result;
+ acpi_status status;
+
+ if (!sci_open(dev))
+ return -EIO;
+
+ status = sci_read(dev, SCI_KBD_ILLUM_STATUS, time, &result);
+ sci_close(dev);
+ if (ACPI_FAILURE(status) || result == SCI_INPUT_DATA_ERROR) {
+ pr_err("ACPI call to get KBD backlight status failed\n");
+ return -EIO;
+ } else if (result == HCI_NOT_SUPPORTED) {
+ pr_info("Keyboard backlight status not supported\n");
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static enum led_brightness toshiba_kbd_backlight_get(struct led_classdev *cdev)
+{
+ struct toshiba_acpi_dev *dev = container_of(cdev,
+ struct toshiba_acpi_dev, kbd_led);
+ u32 state, result;
+ acpi_status status;
+
+ /* Check the keyboard backlight state */
+ status = hci_read1(dev, HCI_KBD_ILLUMINATION, &state, &result);
+ if (ACPI_FAILURE(status) || result == SCI_INPUT_DATA_ERROR) {
+ pr_err("ACPI call to get the keyboard backlight failed\n");
+ return LED_OFF;
+ } else if (result == HCI_NOT_SUPPORTED) {
+ pr_info("Keyboard backlight not supported\n");
+ return LED_OFF;
+ }
+
+ return state ? LED_FULL : LED_OFF;
+}
+
+static void toshiba_kbd_backlight_set(struct led_classdev *cdev,
+ enum led_brightness brightness)
+{
+ struct toshiba_acpi_dev *dev = container_of(cdev,
+ struct toshiba_acpi_dev, kbd_led);
+ u32 state, result;
+ acpi_status status;
+
+ /* Set the keyboard backlight state */
+ state = brightness ? 1 : 0;
+ status = hci_write1(dev, HCI_KBD_ILLUMINATION, state, &result);
+ if (ACPI_FAILURE(status) || result == SCI_INPUT_DATA_ERROR) {
+ pr_err("ACPI call to set KBD Illumination mode failed\n");
+ return;
+ } else if (result == HCI_NOT_SUPPORTED) {
+ pr_info("Keyboard backlight not supported\n");
+ return;
+ }
}
-static u32 hci_get_bt_on(bool *on)
+/* TouchPad support */
+static int toshiba_touchpad_set(struct toshiba_acpi_dev *dev, u32 state)
+{
+ u32 result;
+ acpi_status status;
+
+ if (!sci_open(dev))
+ return -EIO;
+
+ status = sci_write(dev, SCI_TOUCHPAD, state, &result);
+ sci_close(dev);
+ if (ACPI_FAILURE(status)) {
+ pr_err("ACPI call to set the touchpad failed\n");
+ return -EIO;
+ } else if (result == HCI_NOT_SUPPORTED) {
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static int toshiba_touchpad_get(struct toshiba_acpi_dev *dev, u32 *state)
+{
+ u32 result;
+ acpi_status status;
+
+ if (!sci_open(dev))
+ return -EIO;
+
+ status = sci_read(dev, SCI_TOUCHPAD, state, &result);
+ sci_close(dev);
+ if (ACPI_FAILURE(status)) {
+ pr_err("ACPI call to query the touchpad failed\n");
+ return -EIO;
+ } else if (result == HCI_NOT_SUPPORTED) {
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+/* Eco Mode support */
+static int toshiba_eco_mode_available(struct toshiba_acpi_dev *dev)
+{
+ acpi_status status;
+ u32 in[HCI_WORDS] = { HCI_GET, HCI_ECO_MODE, 0, 1, 0, 0 };
+ u32 out[HCI_WORDS];
+
+ status = hci_raw(dev, in, out);
+ if (ACPI_FAILURE(status) || out[0] == SCI_INPUT_DATA_ERROR) {
+ pr_info("ACPI call to get ECO led failed\n");
+ return 0;
+ }
+
+ return 1;
+}
+
+static enum led_brightness toshiba_eco_mode_get_status(struct led_classdev *cdev)
+{
+ struct toshiba_acpi_dev *dev = container_of(cdev,
+ struct toshiba_acpi_dev, eco_led);
+ u32 in[HCI_WORDS] = { HCI_GET, HCI_ECO_MODE, 0, 1, 0, 0 };
+ u32 out[HCI_WORDS];
+ acpi_status status;
+
+ status = hci_raw(dev, in, out);
+ if (ACPI_FAILURE(status) || out[0] == SCI_INPUT_DATA_ERROR) {
+ pr_err("ACPI call to get ECO led failed\n");
+ return LED_OFF;
+ }
+
+ return out[2] ? LED_FULL : LED_OFF;
+}
+
+static void toshiba_eco_mode_set_status(struct led_classdev *cdev,
+ enum led_brightness brightness)
+{
+ struct toshiba_acpi_dev *dev = container_of(cdev,
+ struct toshiba_acpi_dev, eco_led);
+ u32 in[HCI_WORDS] = { HCI_SET, HCI_ECO_MODE, 0, 1, 0, 0 };
+ u32 out[HCI_WORDS];
+ acpi_status status;
+
+ /* Switch the Eco Mode led on/off */
+ in[2] = (brightness) ? 1 : 0;
+ status = hci_raw(dev, in, out);
+ if (ACPI_FAILURE(status) || out[0] == SCI_INPUT_DATA_ERROR) {
+ pr_err("ACPI call to set ECO led failed\n");
+ return;
+ }
+}
+
+/* Accelerometer support */
+static int toshiba_accelerometer_supported(struct toshiba_acpi_dev *dev)
+{
+ u32 in[HCI_WORDS] = { HCI_GET, HCI_ACCELEROMETER2, 0, 0, 0, 0 };
+ u32 out[HCI_WORDS];
+ acpi_status status;
+
+ /* Check if the accelerometer call exists,
+ * this call also serves as initialization
+ */
+ status = hci_raw(dev, in, out);
+ if (ACPI_FAILURE(status) || out[0] == SCI_INPUT_DATA_ERROR) {
+ pr_err("ACPI call to query the accelerometer failed\n");
+ return -EIO;
+ } else if (out[0] == HCI_DATA_NOT_AVAILABLE ||
+ out[0] == HCI_NOT_INITIALIZED) {
+ pr_err("Accelerometer not initialized\n");
+ return -EIO;
+ } else if (out[0] == HCI_NOT_SUPPORTED) {
+ pr_info("Accelerometer not supported\n");
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static int toshiba_accelerometer_get(struct toshiba_acpi_dev *dev,
+ u32 *xy, u32 *z)
+{
+ u32 in[HCI_WORDS] = { HCI_GET, HCI_ACCELEROMETER, 0, 1, 0, 0 };
+ u32 out[HCI_WORDS];
+ acpi_status status;
+
+ /* Check the Accelerometer status */
+ status = hci_raw(dev, in, out);
+ if (ACPI_FAILURE(status) || out[0] == SCI_INPUT_DATA_ERROR) {
+ pr_err("ACPI call to query the accelerometer failed\n");
+ return -EIO;
+ }
+
+ *xy = out[2];
+ *z = out[4];
+
+ return 0;
+}
+
+/* Bluetooth rfkill handlers */
+
+static u32 hci_get_bt_present(struct toshiba_acpi_dev *dev, bool *present)
{
u32 hci_result;
u32 value, value2;
value = 0;
- value2 = 0x0001;
- hci_read2(HCI_WIRELESS, &value, &value2, &hci_result);
+ value2 = 0;
+ hci_read2(dev, HCI_WIRELESS, &value, &value2, &hci_result);
if (hci_result == HCI_SUCCESS)
- *on = (value & HCI_WIRELESS_BT_POWER) &&
- (value & HCI_WIRELESS_BT_ATTACH);
+ *present = (value & HCI_WIRELESS_BT_PRESENT) ? true : false;
return hci_result;
}
-static u32 hci_get_radio_state(bool *radio_state)
+static u32 hci_get_radio_state(struct toshiba_acpi_dev *dev, bool *radio_state)
{
u32 hci_result;
u32 value, value2;
value = 0;
value2 = 0x0001;
- hci_read2(HCI_WIRELESS, &value, &value2, &hci_result);
+ hci_read2(dev, 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)
+static int bt_rfkill_set_block(void *data, bool blocked)
{
+ struct toshiba_acpi_dev *dev = data;
u32 result1, result2;
u32 value;
+ int err;
bool radio_state;
- struct toshiba_acpi_dev *dev = data;
- value = (state == RFKILL_STATE_UNBLOCKED);
+ value = (blocked == false);
- if (hci_get_radio_state(&radio_state) != HCI_SUCCESS)
- return -EFAULT;
+ mutex_lock(&dev->mutex);
+ if (hci_get_radio_state(dev, &radio_state) != HCI_SUCCESS) {
+ err = -EIO;
+ goto out;
+ }
- switch (state) {
- case RFKILL_STATE_UNBLOCKED:
- if (!radio_state)
- return -EPERM;
- break;
- case RFKILL_STATE_SOFT_BLOCKED:
- break;
- default:
- return -EINVAL;
+ if (!radio_state) {
+ err = 0;
+ goto out;
}
- 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);
+ hci_write2(dev, HCI_WIRELESS, value, HCI_WIRELESS_BT_POWER, &result1);
+ hci_write2(dev, HCI_WIRELESS, value, HCI_WIRELESS_BT_ATTACH, &result2);
if (result1 != HCI_SUCCESS || result2 != HCI_SUCCESS)
- return -EFAULT;
-
- return 0;
+ err = -EIO;
+ else
+ err = 0;
+ out:
+ mutex_unlock(&dev->mutex);
+ return err;
}
-static void bt_poll_rfkill(struct input_polled_dev *poll_dev)
+static void bt_rfkill_poll(struct rfkill *rfkill, void *data)
{
- bool state_changed;
bool new_rfk_state;
bool value;
u32 hci_result;
- struct toshiba_acpi_dev *dev = poll_dev->private;
+ struct toshiba_acpi_dev *dev = data;
+
+ mutex_lock(&dev->mutex);
- hci_result = hci_get_radio_state(&value);
- if (hci_result != HCI_SUCCESS)
- return; /* Can't do anything useful */
+ hci_result = hci_get_radio_state(dev, &value);
+ if (hci_result != HCI_SUCCESS) {
+ /* Can't do anything useful */
+ mutex_unlock(&dev->mutex);
+ return;
+ }
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);
- }
+ if (rfkill_set_hw_state(rfkill, !new_rfk_state))
+ bt_rfkill_set_block(data, true);
}
-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 const struct rfkill_ops toshiba_rfk_ops = {
+ .set_block = bt_rfkill_set_block,
+ .poll = bt_rfkill_poll,
+};
-static int
-dispatch_read(char *page, char **start, off_t off, int count, int *eof,
- ProcItem * item)
+static int get_tr_backlight_status(struct toshiba_acpi_dev *dev, bool *enabled)
{
- char *p = page;
- int len;
-
- if (off == 0)
- p = item->read_func(p);
+ u32 hci_result;
+ u32 status;
- /* 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;
+ hci_read1(dev, HCI_TR_BACKLIGHT, &status, &hci_result);
+ *enabled = !status;
+ return hci_result == HCI_SUCCESS ? 0 : -EIO;
}
-static int
-dispatch_write(struct file *file, const char __user * buffer,
- unsigned long count, ProcItem * item)
+static int set_tr_backlight_status(struct toshiba_acpi_dev *dev, bool enable)
{
- 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;
+ u32 hci_result;
+ u32 value = !enable;
- 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;
+ hci_write1(dev, HCI_TR_BACKLIGHT, value, &hci_result);
+ return hci_result == HCI_SUCCESS ? 0 : -EIO;
}
-static int get_lcd(struct backlight_device *bd)
+static struct proc_dir_entry *toshiba_proc_dir /*= 0*/ ;
+
+static int __get_lcd_brightness(struct toshiba_acpi_dev *dev)
{
u32 hci_result;
u32 value;
+ int brightness = 0;
- hci_read1(HCI_LCD_BRIGHTNESS, &value, &hci_result);
- if (hci_result == HCI_SUCCESS) {
- return (value >> HCI_LCD_BRIGHTNESS_SHIFT);
- } else
- return -EFAULT;
+ if (dev->tr_backlight_supported) {
+ bool enabled;
+ int ret = get_tr_backlight_status(dev, &enabled);
+ if (ret)
+ return ret;
+ if (enabled)
+ return 0;
+ brightness++;
+ }
+
+ hci_read1(dev, HCI_LCD_BRIGHTNESS, &value, &hci_result);
+ if (hci_result == HCI_SUCCESS)
+ return brightness + (value >> HCI_LCD_BRIGHTNESS_SHIFT);
+
+ return -EIO;
+}
+
+static int get_lcd_brightness(struct backlight_device *bd)
+{
+ struct toshiba_acpi_dev *dev = bl_get_data(bd);
+ return __get_lcd_brightness(dev);
}
-static char *read_lcd(char *p)
+static int lcd_proc_show(struct seq_file *m, void *v)
{
- int value = get_lcd(NULL);
+ struct toshiba_acpi_dev *dev = m->private;
+ int value;
+ int levels;
+
+ if (!dev->backlight_dev)
+ return -ENODEV;
+ levels = dev->backlight_dev->props.max_brightness + 1;
+ value = get_lcd_brightness(dev->backlight_dev);
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");
+ seq_printf(m, "brightness: %d\n", value);
+ seq_printf(m, "brightness_levels: %d\n", levels);
+ return 0;
}
- return p;
+ pr_err("Error reading LCD brightness\n");
+ return -EIO;
+}
+
+static int lcd_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, lcd_proc_show, PDE_DATA(inode));
}
-static int set_lcd(int value)
+static int set_lcd_brightness(struct toshiba_acpi_dev *dev, 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;
+ if (dev->tr_backlight_supported) {
+ bool enable = !value;
+ int ret = set_tr_backlight_status(dev, enable);
+ if (ret)
+ return ret;
+ if (value)
+ value--;
+ }
- return 0;
+ value = value << HCI_LCD_BRIGHTNESS_SHIFT;
+ hci_write1(dev, HCI_LCD_BRIGHTNESS, value, &hci_result);
+ return hci_result == HCI_SUCCESS ? 0 : -EIO;
}
static int set_lcd_status(struct backlight_device *bd)
{
- return set_lcd(bd->props.brightness);
+ struct toshiba_acpi_dev *dev = bl_get_data(bd);
+ return set_lcd_brightness(dev, bd->props.brightness);
}
-static unsigned long write_lcd(const char *buffer, unsigned long count)
+static ssize_t lcd_proc_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *pos)
{
+ struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file));
+ char cmd[42];
+ size_t len;
int value;
int ret;
+ int levels = dev->backlight_dev->props.max_brightness + 1;
+
+ len = min(count, sizeof(cmd) - 1);
+ if (copy_from_user(cmd, buf, len))
+ return -EFAULT;
+ cmd[len] = '\0';
- if (sscanf(buffer, " brightness : %i", &value) == 1 &&
- value >= 0 && value < HCI_LCD_BRIGHTNESS_LEVELS) {
- ret = set_lcd(value);
+ if (sscanf(cmd, " brightness : %i", &value) == 1 &&
+ value >= 0 && value < levels) {
+ ret = set_lcd_brightness(dev, value);
if (ret == 0)
ret = count;
} else {
@@ -498,36 +920,71 @@ static unsigned long write_lcd(const char *buffer, unsigned long count)
return ret;
}
-static char *read_video(char *p)
+static const struct file_operations lcd_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = lcd_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = lcd_proc_write,
+};
+
+static int get_video_status(struct toshiba_acpi_dev *dev, u32 *status)
{
u32 hci_result;
+
+ hci_read1(dev, HCI_VIDEO_OUT, status, &hci_result);
+ return hci_result == HCI_SUCCESS ? 0 : -EIO;
+}
+
+static int video_proc_show(struct seq_file *m, void *v)
+{
+ struct toshiba_acpi_dev *dev = m->private;
u32 value;
+ int ret;
- hci_read1(HCI_VIDEO_OUT, &value, &hci_result);
- if (hci_result == HCI_SUCCESS) {
+ ret = get_video_status(dev, &value);
+ if (!ret) {
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");
+ seq_printf(m, "lcd_out: %d\n", is_lcd);
+ seq_printf(m, "crt_out: %d\n", is_crt);
+ seq_printf(m, "tv_out: %d\n", is_tv);
}
- return p;
+ return ret;
+}
+
+static int video_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, video_proc_show, PDE_DATA(inode));
}
-static unsigned long write_video(const char *buffer, unsigned long count)
+static ssize_t video_proc_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *pos)
{
+ struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file));
+ char *cmd, *buffer;
+ int ret;
int value;
int remain = count;
int lcd_out = -1;
int crt_out = -1;
int tv_out = -1;
- u32 hci_result;
u32 video_out;
+ cmd = kmalloc(count + 1, GFP_KERNEL);
+ if (!cmd)
+ return -ENOMEM;
+ if (copy_from_user(cmd, buf, count)) {
+ kfree(cmd);
+ return -EFAULT;
+ }
+ cmd[count] = '\0';
+
+ buffer = cmd;
+
/* scan expression. Multiple expressions may be delimited with ;
*
* NOTE: to keep scanning simple, invalid fields are ignored
@@ -547,8 +1004,10 @@ static unsigned long write_video(const char *buffer, unsigned long count)
while (remain && *(buffer - 1) != ';');
}
- hci_read1(HCI_VIDEO_OUT, &video_out, &hci_result);
- if (hci_result == HCI_SUCCESS) {
+ kfree(cmd);
+
+ ret = get_video_status(dev, &video_out);
+ if (!ret) {
unsigned int new_video_out = video_out;
if (lcd_out != -1)
_set_bit(&new_video_out, HCI_VIDEO_OUT_LCD, lcd_out);
@@ -559,42 +1018,70 @@ static unsigned long write_video(const char *buffer, unsigned long count)
/* 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;
+ ret = write_acpi_int(METHOD_VIDEO_OUT, new_video_out);
}
- return count;
+ return ret ? ret : count;
}
-static char *read_fan(char *p)
+static const struct file_operations video_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = video_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = video_proc_write,
+};
+
+static int get_fan_status(struct toshiba_acpi_dev *dev, u32 *status)
{
u32 hci_result;
+
+ hci_read1(dev, HCI_FAN, status, &hci_result);
+ return hci_result == HCI_SUCCESS ? 0 : -EIO;
+}
+
+static int fan_proc_show(struct seq_file *m, void *v)
+{
+ struct toshiba_acpi_dev *dev = m->private;
+ int ret;
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");
+ ret = get_fan_status(dev, &value);
+ if (!ret) {
+ seq_printf(m, "running: %d\n", (value > 0));
+ seq_printf(m, "force_on: %d\n", dev->force_fan);
}
- return p;
+ return ret;
+}
+
+static int fan_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, fan_proc_show, PDE_DATA(inode));
}
-static unsigned long write_fan(const char *buffer, unsigned long count)
+static ssize_t fan_proc_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *pos)
{
+ struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file));
+ char cmd[42];
+ size_t len;
int value;
u32 hci_result;
- if (sscanf(buffer, " force_on : %i", &value) == 1 &&
+ len = min(count, sizeof(cmd) - 1);
+ if (copy_from_user(cmd, buf, len))
+ return -EFAULT;
+ cmd[len] = '\0';
+
+ if (sscanf(cmd, " force_on : %i", &value) == 1 &&
value >= 0 && value <= 1) {
- hci_write1(HCI_FAN, value, &hci_result);
+ hci_write1(dev, HCI_FAN, value, &hci_result);
if (hci_result != HCI_SUCCESS)
- return -EFAULT;
+ return -EIO;
else
- force_fan = value;
+ dev->force_fan = value;
} else {
return -EINVAL;
}
@@ -602,43 +1089,65 @@ static unsigned long write_fan(const char *buffer, unsigned long count)
return count;
}
-static char *read_keys(char *p)
+static const struct file_operations fan_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = fan_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = fan_proc_write,
+};
+
+static int keys_proc_show(struct seq_file *m, void *v)
{
+ struct toshiba_acpi_dev *dev = m->private;
u32 hci_result;
u32 value;
- if (!key_event_valid) {
- hci_read1(HCI_SYSTEM_EVENT, &value, &hci_result);
+ if (!dev->key_event_valid && dev->system_event_supported) {
+ hci_read1(dev, HCI_SYSTEM_EVENT, &value, &hci_result);
if (hci_result == HCI_SUCCESS) {
- key_event_valid = 1;
- last_key_event = value;
+ dev->key_event_valid = 1;
+ dev->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");
+ hci_write1(dev, HCI_SYSTEM_EVENT, 1, &hci_result);
+ pr_notice("Re-enabled hotkeys\n");
} else {
- printk(MY_ERR "Error reading hotkey status\n");
- goto end;
+ pr_err("Error reading hotkey status\n");
+ return -EIO;
}
}
- p += sprintf(p, "hotkey_ready: %d\n", key_event_valid);
- p += sprintf(p, "hotkey: 0x%04x\n", last_key_event);
+ seq_printf(m, "hotkey_ready: %d\n", dev->key_event_valid);
+ seq_printf(m, "hotkey: 0x%04x\n", dev->last_key_event);
+ return 0;
+}
- end:
- return p;
+static int keys_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, keys_proc_show, PDE_DATA(inode));
}
-static unsigned long write_keys(const char *buffer, unsigned long count)
+static ssize_t keys_proc_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *pos)
{
+ struct toshiba_acpi_dev *dev = PDE_DATA(file_inode(file));
+ char cmd[42];
+ size_t len;
int value;
- if (sscanf(buffer, " hotkey_ready : %i", &value) == 1 && value == 0) {
- key_event_valid = 0;
+ len = min(count, sizeof(cmd) - 1);
+ if (copy_from_user(cmd, buf, len))
+ return -EFAULT;
+ cmd[len] = '\0';
+
+ if (sscanf(cmd, " hotkey_ready : %i", &value) == 1 && value == 0) {
+ dev->key_event_valid = 0;
} else {
return -EINVAL;
}
@@ -646,218 +1155,745 @@ static unsigned long write_keys(const char *buffer, unsigned long count)
return count;
}
-static char *read_version(char *p)
+static const struct file_operations keys_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = keys_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = keys_proc_write,
+};
+
+static int version_proc_show(struct seq_file *m, void *v)
+{
+ seq_printf(m, "driver: %s\n", TOSHIBA_ACPI_VERSION);
+ seq_printf(m, "proc_interface: %d\n", PROC_INTERFACE_VERSION);
+ return 0;
+}
+
+static int version_proc_open(struct inode *inode, struct file *file)
{
- p += sprintf(p, "driver: %s\n", TOSHIBA_ACPI_VERSION);
- p += sprintf(p, "proc_interface: %d\n",
- PROC_INTERFACE_VERSION);
- return p;
+ return single_open(file, version_proc_show, PDE_DATA(inode));
}
+static const struct file_operations version_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = version_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
/* 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 void create_toshiba_proc_entries(struct toshiba_acpi_dev *dev)
+{
+ if (dev->backlight_dev)
+ proc_create_data("lcd", S_IRUGO | S_IWUSR, toshiba_proc_dir,
+ &lcd_proc_fops, dev);
+ if (dev->video_supported)
+ proc_create_data("video", S_IRUGO | S_IWUSR, toshiba_proc_dir,
+ &video_proc_fops, dev);
+ if (dev->fan_supported)
+ proc_create_data("fan", S_IRUGO | S_IWUSR, toshiba_proc_dir,
+ &fan_proc_fops, dev);
+ if (dev->hotkey_dev)
+ proc_create_data("keys", S_IRUGO | S_IWUSR, toshiba_proc_dir,
+ &keys_proc_fops, dev);
+ proc_create_data("version", S_IRUGO, toshiba_proc_dir,
+ &version_proc_fops, dev);
+}
+
+static void remove_toshiba_proc_entries(struct toshiba_acpi_dev *dev)
+{
+ if (dev->backlight_dev)
+ remove_proc_entry("lcd", toshiba_proc_dir);
+ if (dev->video_supported)
+ remove_proc_entry("video", toshiba_proc_dir);
+ if (dev->fan_supported)
+ remove_proc_entry("fan", toshiba_proc_dir);
+ if (dev->hotkey_dev)
+ remove_proc_entry("keys", toshiba_proc_dir);
+ remove_proc_entry("version", toshiba_proc_dir);
+}
+
+static const struct backlight_ops toshiba_backlight_data = {
+ .options = BL_CORE_SUSPENDRESUME,
+ .get_brightness = get_lcd_brightness,
+ .update_status = set_lcd_status,
};
-static acpi_status __init add_device(void)
+/*
+ * Sysfs files
+ */
+
+static ssize_t toshiba_kbd_bl_mode_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
+ int mode = -1;
+ int time = -1;
+
+ if (sscanf(buf, "%i", &mode) != 1 && (mode != 2 || mode != 1))
+ return -EINVAL;
+
+ /* Set the Keyboard Backlight Mode where:
+ * Mode - Auto (2) | FN-Z (1)
+ * Auto - KBD backlight turns off automatically in given time
+ * FN-Z - KBD backlight "toggles" when hotkey pressed
+ */
+ if (mode != -1 && toshiba->kbd_mode != mode) {
+ time = toshiba->kbd_time << HCI_MISC_SHIFT;
+ time = time + toshiba->kbd_mode;
+ if (toshiba_kbd_illum_status_set(toshiba, time) < 0)
+ return -EIO;
+ toshiba->kbd_mode = mode;
+ }
+
+ return count;
+}
+
+static ssize_t toshiba_kbd_bl_mode_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
+ u32 time;
+
+ if (toshiba_kbd_illum_status_get(toshiba, &time) < 0)
+ return -EIO;
+
+ return sprintf(buf, "%i\n", time & 0x07);
+}
+
+static ssize_t toshiba_kbd_bl_timeout_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
+ int time = -1;
+
+ if (sscanf(buf, "%i", &time) != 1 && (time < 0 || time > 60))
+ return -EINVAL;
+
+ /* Set the Keyboard Backlight Timeout: 0-60 seconds */
+ if (time != -1 && toshiba->kbd_time != time) {
+ time = time << HCI_MISC_SHIFT;
+ time = (toshiba->kbd_mode == SCI_KBD_MODE_AUTO) ?
+ time + 1 : time + 2;
+ if (toshiba_kbd_illum_status_set(toshiba, time) < 0)
+ return -EIO;
+ toshiba->kbd_time = time >> HCI_MISC_SHIFT;
+ }
+
+ return count;
+}
+
+static ssize_t toshiba_kbd_bl_timeout_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
+ u32 time;
+
+ if (toshiba_kbd_illum_status_get(toshiba, &time) < 0)
+ return -EIO;
+
+ return sprintf(buf, "%i\n", time >> HCI_MISC_SHIFT);
+}
+
+static ssize_t toshiba_touchpad_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
- struct proc_dir_entry *proc;
- ProcItem *item;
+ struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
+ int state;
- 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;
+ /* Set the TouchPad on/off, 0 - Disable | 1 - Enable */
+ if (sscanf(buf, "%i", &state) == 1 && (state == 0 || state == 1)) {
+ if (toshiba_touchpad_set(toshiba, state) < 0)
+ return -EIO;
}
- return AE_OK;
+ return count;
+}
+
+static ssize_t toshiba_touchpad_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
+ u32 state;
+ int ret;
+
+ ret = toshiba_touchpad_get(toshiba, &state);
+ if (ret < 0)
+ return ret;
+
+ return sprintf(buf, "%i\n", state);
}
-static acpi_status remove_device(void)
+static ssize_t toshiba_position_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- ProcItem *item;
+ struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev);
+ u32 xyval, zval, tmp;
+ u16 x, y, z;
+ int ret;
+
+ xyval = zval = 0;
+ ret = toshiba_accelerometer_get(toshiba, &xyval, &zval);
+ if (ret < 0)
+ return ret;
+
+ x = xyval & HCI_ACCEL_MASK;
+ tmp = xyval >> HCI_MISC_SHIFT;
+ y = tmp & HCI_ACCEL_MASK;
+ z = zval & HCI_ACCEL_MASK;
+
+ return sprintf(buf, "%d %d %d\n", x, y, z);
+}
- for (item = proc_items; item->name; ++item)
- remove_proc_entry(item->name, toshiba_proc_dir);
- return AE_OK;
+static DEVICE_ATTR(kbd_backlight_mode, S_IRUGO | S_IWUSR,
+ toshiba_kbd_bl_mode_show, toshiba_kbd_bl_mode_store);
+static DEVICE_ATTR(kbd_backlight_timeout, S_IRUGO | S_IWUSR,
+ toshiba_kbd_bl_timeout_show, toshiba_kbd_bl_timeout_store);
+static DEVICE_ATTR(touchpad, S_IRUGO | S_IWUSR,
+ toshiba_touchpad_show, toshiba_touchpad_store);
+static DEVICE_ATTR(position, S_IRUGO, toshiba_position_show, NULL);
+
+static struct attribute *toshiba_attributes[] = {
+ &dev_attr_kbd_backlight_mode.attr,
+ &dev_attr_kbd_backlight_timeout.attr,
+ &dev_attr_touchpad.attr,
+ &dev_attr_position.attr,
+ NULL,
+};
+
+static umode_t toshiba_sysfs_is_visible(struct kobject *kobj,
+ struct attribute *attr, int idx)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct toshiba_acpi_dev *drv = dev_get_drvdata(dev);
+ bool exists = true;
+
+ if (attr == &dev_attr_kbd_backlight_mode.attr)
+ exists = (drv->kbd_illum_supported) ? true : false;
+ else if (attr == &dev_attr_kbd_backlight_timeout.attr)
+ exists = (drv->kbd_mode == SCI_KBD_MODE_AUTO) ? true : false;
+ else if (attr == &dev_attr_touchpad.attr)
+ exists = (drv->touchpad_supported) ? true : false;
+ else if (attr == &dev_attr_position.attr)
+ exists = (drv->accelerometer_supported) ? true : false;
+
+ return exists ? attr->mode : 0;
}
-static struct backlight_ops toshiba_backlight_data = {
- .get_brightness = get_lcd,
- .update_status = set_lcd_status,
+static struct attribute_group toshiba_attr_group = {
+ .is_visible = toshiba_sysfs_is_visible,
+ .attrs = toshiba_attributes,
};
-static void toshiba_acpi_exit(void)
+static bool toshiba_acpi_i8042_filter(unsigned char data, unsigned char str,
+ struct serio *port)
{
- if (toshiba_acpi.poll_dev) {
- input_unregister_polled_device(toshiba_acpi.poll_dev);
- input_free_polled_device(toshiba_acpi.poll_dev);
+ if (str & 0x20)
+ return false;
+
+ if (unlikely(data == 0xe0))
+ return false;
+
+ if ((data & 0x7f) == TOS1900_FN_SCAN) {
+ schedule_work(&toshiba_acpi->hotkey_work);
+ return true;
}
- if (toshiba_acpi.rfk_dev)
- rfkill_unregister(toshiba_acpi.rfk_dev);
+ return false;
+}
+
+static void toshiba_acpi_hotkey_work(struct work_struct *work)
+{
+ acpi_handle ec_handle = ec_get_handle();
+ acpi_status status;
- if (toshiba_backlight_device)
- backlight_device_unregister(toshiba_backlight_device);
+ if (!ec_handle)
+ return;
- remove_device();
+ status = acpi_evaluate_object(ec_handle, "NTFY", NULL, NULL);
+ if (ACPI_FAILURE(status))
+ pr_err("ACPI NTFY method execution failed\n");
+}
- if (toshiba_proc_dir)
- remove_proc_entry(PROC_TOSHIBA, acpi_root_dir);
+/*
+ * Returns hotkey scancode, or < 0 on failure.
+ */
+static int toshiba_acpi_query_hotkey(struct toshiba_acpi_dev *dev)
+{
+ unsigned long long value;
+ acpi_status status;
- platform_device_unregister(toshiba_acpi.p_dev);
+ status = acpi_evaluate_integer(dev->acpi_dev->handle, "INFO",
+ NULL, &value);
+ if (ACPI_FAILURE(status)) {
+ pr_err("ACPI INFO method execution failed\n");
+ return -EIO;
+ }
- return;
+ return value;
}
-static int __init toshiba_acpi_init(void)
+static void toshiba_acpi_report_hotkey(struct toshiba_acpi_dev *dev,
+ int scancode)
+{
+ if (scancode == 0x100)
+ return;
+
+ /* act on key press; ignore key release */
+ if (scancode & 0x80)
+ return;
+
+ if (!sparse_keymap_report_event(dev->hotkey_dev, scancode, 1, true))
+ pr_info("Unknown key %x\n", scancode);
+}
+
+static int toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev)
{
- acpi_status status = AE_OK;
+ acpi_status status;
+ acpi_handle ec_handle;
+ int error;
u32 hci_result;
- bool bt_present;
- bool bt_on;
- bool radio_on;
- int ret = 0;
+ const struct key_entry *keymap = toshiba_acpi_keymap;
- if (acpi_disabled)
- return -ENODEV;
+ dev->hotkey_dev = input_allocate_device();
+ if (!dev->hotkey_dev)
+ return -ENOMEM;
- /* 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;
+ dev->hotkey_dev->name = "Toshiba input device";
+ dev->hotkey_dev->phys = "toshiba_acpi/input0";
+ dev->hotkey_dev->id.bustype = BUS_HOST;
+
+ if (dmi_check_system(toshiba_alt_keymap_dmi))
+ keymap = toshiba_acpi_alt_keymap;
+ error = sparse_keymap_setup(dev->hotkey_dev, keymap, NULL);
+ if (error)
+ goto err_free_dev;
+
+ /*
+ * For some machines the SCI responsible for providing hotkey
+ * notification doesn't fire. We can trigger the notification
+ * whenever the Fn key is pressed using the NTFY method, if
+ * supported, so if it's present set up an i8042 key filter
+ * for this purpose.
+ */
+ status = AE_ERROR;
+ ec_handle = ec_get_handle();
+ if (ec_handle && acpi_has_method(ec_handle, "NTFY")) {
+ INIT_WORK(&dev->hotkey_work, toshiba_acpi_hotkey_work);
+
+ error = i8042_install_filter(toshiba_acpi_i8042_filter);
+ if (error) {
+ pr_err("Error installing key filter\n");
+ goto err_free_keymap;
+ }
- printk(MY_INFO "Toshiba Laptop ACPI Extras version %s\n",
- TOSHIBA_ACPI_VERSION);
- printk(MY_INFO " HCI method: %s\n", method_hci);
+ dev->ntfy_supported = 1;
+ }
+
+ /*
+ * Determine hotkey query interface. Prefer using the INFO
+ * method when it is available.
+ */
+ if (acpi_has_method(dev->acpi_dev->handle, "INFO"))
+ dev->info_supported = 1;
+ else {
+ hci_write1(dev, HCI_SYSTEM_EVENT, 1, &hci_result);
+ if (hci_result == HCI_SUCCESS)
+ dev->system_event_supported = 1;
+ }
+
+ if (!dev->info_supported && !dev->system_event_supported) {
+ pr_warn("No hotkey query interface found\n");
+ goto err_remove_filter;
+ }
+
+ status = acpi_evaluate_object(dev->acpi_dev->handle, "ENAB", NULL, NULL);
+ if (ACPI_FAILURE(status)) {
+ pr_info("Unable to enable hotkeys\n");
+ error = -ENODEV;
+ goto err_remove_filter;
+ }
+
+ error = input_register_device(dev->hotkey_dev);
+ if (error) {
+ pr_info("Unable to register input device\n");
+ goto err_remove_filter;
+ }
+
+ hci_write1(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_ENABLE, &hci_result);
+ return 0;
+
+ err_remove_filter:
+ if (dev->ntfy_supported)
+ i8042_remove_filter(toshiba_acpi_i8042_filter);
+ err_free_keymap:
+ sparse_keymap_free(dev->hotkey_dev);
+ err_free_dev:
+ input_free_device(dev->hotkey_dev);
+ dev->hotkey_dev = NULL;
+ return error;
+}
+
+static int toshiba_acpi_setup_backlight(struct toshiba_acpi_dev *dev)
+{
+ struct backlight_properties props;
+ int brightness;
+ int ret;
+ bool enabled;
- mutex_init(&toshiba_acpi.mutex);
+ /*
+ * Some machines don't support the backlight methods at all, and
+ * others support it read-only. Either of these is pretty useless,
+ * so only register the backlight device if the backlight method
+ * supports both reads and writes.
+ */
+ brightness = __get_lcd_brightness(dev);
+ if (brightness < 0)
+ return 0;
+ ret = set_lcd_brightness(dev, brightness);
+ if (ret) {
+ pr_debug("Backlight method is read-only, disabling backlight support\n");
+ return 0;
+ }
- 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();
+ /* Determine whether or not BIOS supports transflective backlight */
+ ret = get_tr_backlight_status(dev, &enabled);
+ dev->tr_backlight_supported = !ret;
+
+ memset(&props, 0, sizeof(props));
+ props.type = BACKLIGHT_PLATFORM;
+ props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1;
+
+ /* adding an extra level and having 0 change to transflective mode */
+ if (dev->tr_backlight_supported)
+ props.max_brightness++;
+
+ dev->backlight_dev = backlight_device_register("toshiba",
+ &dev->acpi_dev->dev,
+ dev,
+ &toshiba_backlight_data,
+ &props);
+ if (IS_ERR(dev->backlight_dev)) {
+ ret = PTR_ERR(dev->backlight_dev);
+ pr_err("Could not register toshiba backlight device\n");
+ dev->backlight_dev = NULL;
return ret;
}
- force_fan = 0;
- key_event_valid = 0;
+ dev->backlight_dev->props.brightness = brightness;
+ return 0;
+}
- /* enable event fifo */
- hci_write1(HCI_SYSTEM_EVENT, 1, &hci_result);
+static int toshiba_acpi_remove(struct acpi_device *acpi_dev)
+{
+ struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev);
- 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;
- }
+ remove_toshiba_proc_entries(dev);
+
+ if (dev->sysfs_created)
+ sysfs_remove_group(&dev->acpi_dev->dev.kobj,
+ &toshiba_attr_group);
+
+ if (dev->ntfy_supported) {
+ i8042_remove_filter(toshiba_acpi_i8042_filter);
+ cancel_work_sync(&dev->hotkey_work);
}
- 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);
+ if (dev->hotkey_dev) {
+ input_unregister_device(dev->hotkey_dev);
+ sparse_keymap_free(dev->hotkey_dev);
+ }
- printk(KERN_ERR "Could not register toshiba backlight device\n");
- toshiba_backlight_device = NULL;
- toshiba_acpi_exit();
- return ret;
+ if (dev->bt_rfk) {
+ rfkill_unregister(dev->bt_rfk);
+ rfkill_destroy(dev->bt_rfk);
}
- 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;
- }
+ if (dev->backlight_dev)
+ backlight_device_unregister(dev->backlight_dev);
- 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 (dev->illumination_supported)
+ led_classdev_unregister(&dev->led_dev);
- 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;
- }
+ if (dev->kbd_led_registered)
+ led_classdev_unregister(&dev->kbd_led);
- ret = rfkill_register(toshiba_acpi.rfk_dev);
- if (ret) {
- printk(MY_ERR "unable to register rfkill device\n");
- toshiba_acpi_exit();
- return -ENOMEM;
- }
+ if (dev->eco_supported)
+ led_classdev_unregister(&dev->eco_led);
+
+ if (toshiba_acpi)
+ toshiba_acpi = NULL;
+
+ kfree(dev);
+
+ return 0;
+}
+
+static const char *find_hci_method(acpi_handle handle)
+{
+ if (acpi_has_method(handle, "GHCI"))
+ return "GHCI";
+
+ if (acpi_has_method(handle, "SPFC"))
+ return "SPFC";
+
+ return NULL;
+}
- /* 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;
+static int toshiba_acpi_add(struct acpi_device *acpi_dev)
+{
+ struct toshiba_acpi_dev *dev;
+ const char *hci_method;
+ u32 dummy;
+ bool bt_present;
+ int ret = 0;
+
+ if (toshiba_acpi)
+ return -EBUSY;
+
+ pr_info("Toshiba Laptop ACPI Extras version %s\n",
+ TOSHIBA_ACPI_VERSION);
+
+ hci_method = find_hci_method(acpi_dev->handle);
+ if (!hci_method) {
+ pr_err("HCI interface not found\n");
+ return -ENODEV;
+ }
+
+ dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+ if (!dev)
+ return -ENOMEM;
+ dev->acpi_dev = acpi_dev;
+ dev->method_hci = hci_method;
+ acpi_dev->driver_data = dev;
+ dev_set_drvdata(&acpi_dev->dev, dev);
+
+ if (toshiba_acpi_setup_keyboard(dev))
+ pr_info("Unable to activate hotkeys\n");
+
+ mutex_init(&dev->mutex);
+
+ ret = toshiba_acpi_setup_backlight(dev);
+ if (ret)
+ goto error;
+
+ /* Register rfkill switch for Bluetooth */
+ if (hci_get_bt_present(dev, &bt_present) == HCI_SUCCESS && bt_present) {
+ dev->bt_rfk = rfkill_alloc("Toshiba Bluetooth",
+ &acpi_dev->dev,
+ RFKILL_TYPE_BLUETOOTH,
+ &toshiba_rfk_ops,
+ dev);
+ if (!dev->bt_rfk) {
+ pr_err("unable to allocate rfkill device\n");
+ ret = -ENOMEM;
+ goto error;
}
- 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);
+
+ ret = rfkill_register(dev->bt_rfk);
if (ret) {
- printk(MY_ERR
- "unable to register kill-switch input device\n");
- toshiba_acpi_exit();
- return ret;
+ pr_err("unable to register rfkill device\n");
+ rfkill_destroy(dev->bt_rfk);
+ goto error;
}
}
+ if (toshiba_illumination_available(dev)) {
+ dev->led_dev.name = "toshiba::illumination";
+ dev->led_dev.max_brightness = 1;
+ dev->led_dev.brightness_set = toshiba_illumination_set;
+ dev->led_dev.brightness_get = toshiba_illumination_get;
+ if (!led_classdev_register(&acpi_dev->dev, &dev->led_dev))
+ dev->illumination_supported = 1;
+ }
+
+ if (toshiba_eco_mode_available(dev)) {
+ dev->eco_led.name = "toshiba::eco_mode";
+ dev->eco_led.max_brightness = 1;
+ dev->eco_led.brightness_set = toshiba_eco_mode_set_status;
+ dev->eco_led.brightness_get = toshiba_eco_mode_get_status;
+ if (!led_classdev_register(&dev->acpi_dev->dev, &dev->eco_led))
+ dev->eco_supported = 1;
+ }
+
+ ret = toshiba_kbd_illum_status_get(dev, &dummy);
+ if (!ret) {
+ dev->kbd_time = dummy >> HCI_MISC_SHIFT;
+ dev->kbd_mode = dummy & 0x07;
+ }
+ dev->kbd_illum_supported = !ret;
+ /*
+ * Only register the LED if KBD illumination is supported
+ * and the keyboard backlight operation mode is set to FN-Z
+ */
+ if (dev->kbd_illum_supported && dev->kbd_mode == SCI_KBD_MODE_FNZ) {
+ dev->kbd_led.name = "toshiba::kbd_backlight";
+ dev->kbd_led.max_brightness = 1;
+ dev->kbd_led.brightness_set = toshiba_kbd_backlight_set;
+ dev->kbd_led.brightness_get = toshiba_kbd_backlight_get;
+ if (!led_classdev_register(&dev->acpi_dev->dev, &dev->kbd_led))
+ dev->kbd_led_registered = 1;
+ }
+
+ ret = toshiba_touchpad_get(dev, &dummy);
+ dev->touchpad_supported = !ret;
+
+ ret = toshiba_accelerometer_supported(dev);
+ dev->accelerometer_supported = !ret;
+
+ /* Determine whether or not BIOS supports fan and video interfaces */
+
+ ret = get_video_status(dev, &dummy);
+ dev->video_supported = !ret;
+
+ ret = get_fan_status(dev, &dummy);
+ dev->fan_supported = !ret;
+
+ ret = sysfs_create_group(&dev->acpi_dev->dev.kobj,
+ &toshiba_attr_group);
+ if (ret) {
+ dev->sysfs_created = 0;
+ goto error;
+ }
+ dev->sysfs_created = !ret;
+
+ create_toshiba_proc_entries(dev);
+
+ toshiba_acpi = dev;
+
+ return 0;
+
+error:
+ toshiba_acpi_remove(acpi_dev);
+ return ret;
+}
+
+static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event)
+{
+ struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev);
+ u32 hci_result, value;
+ int retries = 3;
+ int scancode;
+
+ if (event != 0x80)
+ return;
+
+ if (dev->info_supported) {
+ scancode = toshiba_acpi_query_hotkey(dev);
+ if (scancode < 0)
+ pr_err("Failed to query hotkey event\n");
+ else if (scancode != 0)
+ toshiba_acpi_report_hotkey(dev, scancode);
+ } else if (dev->system_event_supported) {
+ do {
+ hci_read1(dev, HCI_SYSTEM_EVENT, &value, &hci_result);
+ switch (hci_result) {
+ case HCI_SUCCESS:
+ toshiba_acpi_report_hotkey(dev, (int)value);
+ break;
+ case HCI_NOT_SUPPORTED:
+ /*
+ * This is a workaround for an unresolved
+ * issue on some machines where system events
+ * sporadically become disabled.
+ */
+ hci_write1(dev, HCI_SYSTEM_EVENT, 1,
+ &hci_result);
+ pr_notice("Re-enabled hotkeys\n");
+ /* fall through */
+ default:
+ retries--;
+ break;
+ }
+ } while (retries && hci_result != HCI_EMPTY);
+ }
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int toshiba_acpi_suspend(struct device *device)
+{
+ struct toshiba_acpi_dev *dev = acpi_driver_data(to_acpi_device(device));
+ u32 result;
+
+ if (dev->hotkey_dev)
+ hci_write1(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_DISABLE, &result);
+
return 0;
}
+static int toshiba_acpi_resume(struct device *device)
+{
+ struct toshiba_acpi_dev *dev = acpi_driver_data(to_acpi_device(device));
+ u32 result;
+
+ if (dev->hotkey_dev)
+ hci_write1(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_ENABLE, &result);
+
+ return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(toshiba_acpi_pm,
+ toshiba_acpi_suspend, toshiba_acpi_resume);
+
+static struct acpi_driver toshiba_acpi_driver = {
+ .name = "Toshiba ACPI driver",
+ .owner = THIS_MODULE,
+ .ids = toshiba_device_ids,
+ .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS,
+ .ops = {
+ .add = toshiba_acpi_add,
+ .remove = toshiba_acpi_remove,
+ .notify = toshiba_acpi_notify,
+ },
+ .drv.pm = &toshiba_acpi_pm,
+};
+
+static int __init toshiba_acpi_init(void)
+{
+ int ret;
+
+ /*
+ * Machines with this WMI guid aren't supported due to bugs in
+ * their AML. This check relies on wmi initializing before
+ * toshiba_acpi to guarantee guids have been identified.
+ */
+ if (wmi_has_guid(TOSHIBA_WMI_EVENT_GUID))
+ return -ENODEV;
+
+ toshiba_proc_dir = proc_mkdir(PROC_TOSHIBA, acpi_root_dir);
+ if (!toshiba_proc_dir) {
+ pr_err("Unable to create proc dir " PROC_TOSHIBA "\n");
+ return -ENODEV;
+ }
+
+ ret = acpi_bus_register_driver(&toshiba_acpi_driver);
+ if (ret) {
+ pr_err("Failed to register ACPI driver: %d\n", ret);
+ remove_proc_entry(PROC_TOSHIBA, acpi_root_dir);
+ }
+
+ return ret;
+}
+
+static void __exit toshiba_acpi_exit(void)
+{
+ acpi_bus_unregister_driver(&toshiba_acpi_driver);
+ if (toshiba_proc_dir)
+ remove_proc_entry(PROC_TOSHIBA, acpi_root_dir);
+}
+
module_init(toshiba_acpi_init);
module_exit(toshiba_acpi_exit);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-07 19:05:24 +0000