diff options
Diffstat (limited to 'drivers/platform/x86')
| -rw-r--r-- | drivers/platform/x86/Kconfig | 5 | ||||
| -rw-r--r-- | drivers/platform/x86/Makefile | 1 | ||||
| -rw-r--r-- | drivers/platform/x86/acer-wmi.c | 1 | ||||
| -rw-r--r-- | drivers/platform/x86/asus-laptop.c | 1 | ||||
| -rw-r--r-- | drivers/platform/x86/hp-wireless.c | 7 | ||||
| -rw-r--r-- | drivers/platform/x86/ideapad-laptop.c | 14 | ||||
| -rw-r--r-- | drivers/platform/x86/surfacepro3_button.c | 216 | ||||
| -rw-r--r-- | drivers/platform/x86/thinkpad_acpi.c | 2 | ||||
| -rw-r--r-- | drivers/platform/x86/toshiba_acpi.c | 805 |
9 files changed, 667 insertions, 385 deletions
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index 6dc13e4de396..c69bb703f483 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -919,4 +919,9 @@ config INTEL_PMC_IPC The PMC is an ARC processor which defines IPC commands for communication with other entities in the CPU. +config SURFACE_PRO3_BUTTON + tristate "Power/home/volume buttons driver for Microsoft Surface Pro 3 tablet" + depends on ACPI && INPUT + ---help--- + This driver handles the power/home/volume buttons on the Microsoft Surface Pro 3 tablet. endif # X86_PLATFORM_DEVICES diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile index dda95a985321..ada512819028 100644 --- a/drivers/platform/x86/Makefile +++ b/drivers/platform/x86/Makefile @@ -60,3 +60,4 @@ obj-$(CONFIG_INTEL_SMARTCONNECT) += intel-smartconnect.o obj-$(CONFIG_PVPANIC) += pvpanic.o obj-$(CONFIG_ALIENWARE_WMI) += alienware-wmi.o obj-$(CONFIG_INTEL_PMC_IPC) += intel_pmc_ipc.o +obj-$(CONFIG_SURFACE_PRO3_BUTTON) += surfacepro3_button.o diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index f6b280dbfb33..d773b9dc48a0 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -807,6 +807,7 @@ static const struct acpi_device_id norfkill_ids[] __initconst = { { "IBM0068", 0}, { "LEN0068", 0}, { "SNY5001", 0}, /* sony-laptop in charge */ + { "HPQ6601", 0}, { "", 0}, }; diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index 58d29c4f2840..f2b5d0a8adf0 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -332,6 +332,7 @@ static const struct key_entry asus_keymap[] = { {KE_KEY, 0x65, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + TV */ {KE_KEY, 0x66, { KEY_SWITCHVIDEOMODE } }, /* SDSP CRT + TV */ {KE_KEY, 0x67, { KEY_SWITCHVIDEOMODE } }, /* SDSP LCD + CRT + TV */ + {KE_KEY, 0x6A, { KEY_TOUCHPAD_TOGGLE } }, /* Lock Touchpad Fn + F9 */ {KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } }, /* Lock Touchpad */ {KE_KEY, 0x6C, { KEY_SLEEP } }, /* Suspend */ {KE_KEY, 0x6D, { KEY_SLEEP } }, /* Hibernate */ diff --git a/drivers/platform/x86/hp-wireless.c b/drivers/platform/x86/hp-wireless.c index 4e4cc8bd7557..988eedbd7c63 100644 --- a/drivers/platform/x86/hp-wireless.c +++ b/drivers/platform/x86/hp-wireless.c @@ -114,14 +114,9 @@ static int __init hpwl_init(void) pr_info("Initializing HPQ6001 module\n"); err = acpi_bus_register_driver(&hpwl_driver); - if (err) { + if (err) pr_err("Unable to register HP wireless control driver.\n"); - goto error_acpi_register; - } - - return 0; -error_acpi_register: return err; } diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index 76b57388d01b..fce49f3c6ed6 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/drivers/platform/x86/ideapad-laptop.c @@ -853,6 +853,20 @@ static const struct dmi_system_id no_hw_rfkill_list[] = { }, }, { + .ident = "Lenovo Yoga 3 14", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo Yoga 3 14"), + }, + }, + { + .ident = "Lenovo Yoga 2 11 / 13 / Pro", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_BOARD_NAME, "Yoga2"), + }, + }, + { .ident = "Lenovo Yoga 3 Pro 1370", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), diff --git a/drivers/platform/x86/surfacepro3_button.c b/drivers/platform/x86/surfacepro3_button.c new file mode 100644 index 000000000000..f7dade3fd2ab --- /dev/null +++ b/drivers/platform/x86/surfacepro3_button.c @@ -0,0 +1,216 @@ +/* + * power/home/volume button support for + * Microsoft Surface Pro 3 tablet. + * + * Copyright (c) 2015 Intel Corporation. + * All rights reserved. + * + * 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; version 2 + * of the License. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/types.h> +#include <linux/input.h> +#include <linux/acpi.h> +#include <acpi/button.h> + +#define SURFACE_BUTTON_HID "MSHW0028" +#define SURFACE_BUTTON_OBJ_NAME "VGBI" +#define SURFACE_BUTTON_DEVICE_NAME "Surface Pro 3 Buttons" + +#define SURFACE_BUTTON_NOTIFY_PRESS_POWER 0xc6 +#define SURFACE_BUTTON_NOTIFY_RELEASE_POWER 0xc7 + +#define SURFACE_BUTTON_NOTIFY_PRESS_HOME 0xc4 +#define SURFACE_BUTTON_NOTIFY_RELEASE_HOME 0xc5 + +#define SURFACE_BUTTON_NOTIFY_PRESS_VOLUME_UP 0xc0 +#define SURFACE_BUTTON_NOTIFY_RELEASE_VOLUME_UP 0xc1 + +#define SURFACE_BUTTON_NOTIFY_PRESS_VOLUME_DOWN 0xc2 +#define SURFACE_BUTTON_NOTIFY_RELEASE_VOLUME_DOWN 0xc3 + +ACPI_MODULE_NAME("surface pro 3 button"); + +MODULE_AUTHOR("Chen Yu"); +MODULE_DESCRIPTION("Surface Pro3 Button Driver"); +MODULE_LICENSE("GPL v2"); + +/* + * Power button, Home button, Volume buttons support is supposed to + * be covered by drivers/input/misc/soc_button_array.c, which is implemented + * according to "Windows ACPI Design Guide for SoC Platforms". + * However surface pro3 seems not to obey the specs, instead it uses + * device VGBI(MSHW0028) for dispatching the events. + * We choose acpi_driver rather than platform_driver/i2c_driver because + * although VGBI has an i2c resource connected to i2c controller, it + * is not embedded in any i2c controller's scope, thus neither platform_device + * will be created, nor i2c_client will be enumerated, we have to use + * acpi_driver. + */ +static const struct acpi_device_id surface_button_device_ids[] = { + {SURFACE_BUTTON_HID, 0}, + {"", 0}, +}; +MODULE_DEVICE_TABLE(acpi, surface_button_device_ids); + +struct surface_button { + unsigned int type; + struct input_dev *input; + char phys[32]; /* for input device */ + unsigned long pushed; + bool suspended; +}; + +static void surface_button_notify(struct acpi_device *device, u32 event) +{ + struct surface_button *button = acpi_driver_data(device); + struct input_dev *input; + int key_code = KEY_RESERVED; + bool pressed = false; + + switch (event) { + /* Power button press,release handle */ + case SURFACE_BUTTON_NOTIFY_PRESS_POWER: + pressed = true; + /*fall through*/ + case SURFACE_BUTTON_NOTIFY_RELEASE_POWER: + key_code = KEY_POWER; + break; + /* Home button press,release handle */ + case SURFACE_BUTTON_NOTIFY_PRESS_HOME: + pressed = true; + /*fall through*/ + case SURFACE_BUTTON_NOTIFY_RELEASE_HOME: + key_code = KEY_LEFTMETA; + break; + /* Volume up button press,release handle */ + case SURFACE_BUTTON_NOTIFY_PRESS_VOLUME_UP: + pressed = true; + /*fall through*/ + case SURFACE_BUTTON_NOTIFY_RELEASE_VOLUME_UP: + key_code = KEY_VOLUMEUP; + break; + /* Volume down button press,release handle */ + case SURFACE_BUTTON_NOTIFY_PRESS_VOLUME_DOWN: + pressed = true; + /*fall through*/ + case SURFACE_BUTTON_NOTIFY_RELEASE_VOLUME_DOWN: + key_code = KEY_VOLUMEDOWN; + break; + default: + dev_info_ratelimited(&device->dev, + "Unsupported event [0x%x]\n", event); + break; + } + input = button->input; + if (KEY_RESERVED == key_code) + return; + if (pressed) + pm_wakeup_event(&device->dev, 0); + if (button->suspended) + return; + input_report_key(input, key_code, pressed?1:0); + input_sync(input); +} + +#ifdef CONFIG_PM_SLEEP +static int surface_button_suspend(struct device *dev) +{ + struct acpi_device *device = to_acpi_device(dev); + struct surface_button *button = acpi_driver_data(device); + + button->suspended = true; + return 0; +} + +static int surface_button_resume(struct device *dev) +{ + struct acpi_device *device = to_acpi_device(dev); + struct surface_button *button = acpi_driver_data(device); + + button->suspended = false; + return 0; +} +#endif + +static int surface_button_add(struct acpi_device *device) +{ + struct surface_button *button; + struct input_dev *input; + const char *hid = acpi_device_hid(device); + char *name; + int error; + + if (strncmp(acpi_device_bid(device), SURFACE_BUTTON_OBJ_NAME, + strlen(SURFACE_BUTTON_OBJ_NAME))) + return -ENODEV; + + button = kzalloc(sizeof(struct surface_button), GFP_KERNEL); + if (!button) + return -ENOMEM; + + device->driver_data = button; + button->input = input = input_allocate_device(); + if (!input) { + error = -ENOMEM; + goto err_free_button; + } + + name = acpi_device_name(device); + strcpy(name, SURFACE_BUTTON_DEVICE_NAME); + snprintf(button->phys, sizeof(button->phys), "%s/buttons", hid); + + input->name = name; + input->phys = button->phys; + input->id.bustype = BUS_HOST; + input->dev.parent = &device->dev; + input_set_capability(input, EV_KEY, KEY_POWER); + input_set_capability(input, EV_KEY, KEY_LEFTMETA); + input_set_capability(input, EV_KEY, KEY_VOLUMEUP); + input_set_capability(input, EV_KEY, KEY_VOLUMEDOWN); + + error = input_register_device(input); + if (error) + goto err_free_input; + dev_info(&device->dev, + "%s [%s]\n", name, acpi_device_bid(device)); + return 0; + + err_free_input: + input_free_device(input); + err_free_button: + kfree(button); + return error; +} + +static int surface_button_remove(struct acpi_device *device) +{ + struct surface_button *button = acpi_driver_data(device); + + input_unregister_device(button->input); + kfree(button); + return 0; +} + +static SIMPLE_DEV_PM_OPS(surface_button_pm, + surface_button_suspend, surface_button_resume); + +static struct acpi_driver surface_button_driver = { + .name = "surface_pro3_button", + .class = "SurfacePro3", + .ids = surface_button_device_ids, + .ops = { + .add = surface_button_add, + .remove = surface_button_remove, + .notify = surface_button_notify, + }, + .drv.pm = &surface_button_pm, +}; + +module_acpi_driver(surface_button_driver); diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 33e488cf5569..131dd7464183 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -402,7 +402,7 @@ static const char *str_supported(int is_supported); #else static inline const char *str_supported(int is_supported) { return ""; } #define vdbg_printk(a_dbg_level, format, arg...) \ - no_printk(format, ##arg) + do { if (0) no_printk(format, ##arg); } while (0) #endif static void tpacpi_log_usertask(const char * const what) diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index 3ad7b1fa24ce..6740c513919c 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -31,7 +31,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt -#define TOSHIBA_ACPI_VERSION "0.22" +#define TOSHIBA_ACPI_VERSION "0.23" #define PROC_INTERFACE_VERSION 1 #include <linux/kernel.h> @@ -50,6 +50,8 @@ #include <linux/acpi.h> #include <linux/dmi.h> #include <linux/uaccess.h> +#include <linux/miscdevice.h> +#include <linux/toshiba.h> #include <acpi/video.h> MODULE_AUTHOR("John Belmonte"); @@ -91,6 +93,7 @@ MODULE_LICENSE("GPL"); /* Return codes */ #define TOS_SUCCESS 0x0000 +#define TOS_SUCCESS2 0x0001 #define TOS_OPEN_CLOSE_OK 0x0044 #define TOS_FAILURE 0x1000 #define TOS_NOT_SUPPORTED 0x8000 @@ -111,7 +114,6 @@ MODULE_LICENSE("GPL"); #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 @@ -140,10 +142,6 @@ MODULE_LICENSE("GPL"); #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 #define SCI_KBD_MODE_MASK 0x1f #define SCI_KBD_MODE_FNZ 0x1 #define SCI_KBD_MODE_AUTO 0x2 @@ -170,6 +168,7 @@ struct toshiba_acpi_dev { struct led_classdev led_dev; struct led_classdev kbd_led; struct led_classdev eco_led; + struct miscdevice miscdev; int force_fan; int last_key_event; @@ -189,7 +188,6 @@ struct toshiba_acpi_dev { 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; @@ -200,6 +198,10 @@ struct toshiba_acpi_dev { unsigned int panel_power_on_supported:1; unsigned int usb_three_supported:1; unsigned int sysfs_created:1; + + bool kbd_led_registered; + bool illumination_led_registered; + bool eco_led_registered; }; static struct toshiba_acpi_dev *toshiba_acpi; @@ -248,16 +250,16 @@ static const struct key_entry toshiba_acpi_keymap[] = { }; 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, 0x12c, { KEY_KBDILLUMTOGGLE } }, { 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, 0x13e, { KEY_SWITCHVIDEOMODE } }, { KE_KEY, 0x13f, { KEY_TOUCHPAD_TOGGLE } }, + { KE_KEY, 0x157, { KEY_MUTE } }, + { KE_KEY, 0x158, { KEY_WLAN } }, { KE_END, 0 }, }; @@ -441,26 +443,24 @@ static u32 sci_write(struct toshiba_acpi_dev *dev, u32 reg, u32 in1) } /* Illumination support */ -static int toshiba_illumination_available(struct toshiba_acpi_dev *dev) +static void toshiba_illumination_available(struct toshiba_acpi_dev *dev) { u32 in[TCI_WORDS] = { SCI_GET, SCI_ILLUMINATION, 0, 0, 0, 0 }; u32 out[TCI_WORDS]; acpi_status status; + dev->illumination_supported = 0; + dev->illumination_led_registered = false; + if (!sci_open(dev)) - return 0; + return; status = tci_raw(dev, in, out); sci_close(dev); - if (ACPI_FAILURE(status)) { + if (ACPI_FAILURE(status)) pr_err("ACPI call to query Illumination support failed\n"); - return 0; - } else if (out[0] == TOS_NOT_SUPPORTED) { - pr_info("Illumination device not available\n"); - return 0; - } - - return 1; + else if (out[0] == TOS_SUCCESS) + dev->illumination_supported = 1; } static void toshiba_illumination_set(struct led_classdev *cdev, @@ -468,7 +468,8 @@ static void toshiba_illumination_set(struct led_classdev *cdev, { struct toshiba_acpi_dev *dev = container_of(cdev, struct toshiba_acpi_dev, led_dev); - u32 state, result; + u32 result; + u32 state; /* First request : initialize communication. */ if (!sci_open(dev)) @@ -478,13 +479,8 @@ static void toshiba_illumination_set(struct led_classdev *cdev, state = brightness ? 1 : 0; result = sci_write(dev, SCI_ILLUMINATION, state); sci_close(dev); - if (result == TOS_FAILURE) { + if (result == TOS_FAILURE) pr_err("ACPI call for illumination failed\n"); - return; - } else if (result == TOS_NOT_SUPPORTED) { - pr_info("Illumination not supported\n"); - return; - } } static enum led_brightness toshiba_illumination_get(struct led_classdev *cdev) @@ -500,11 +496,10 @@ static enum led_brightness toshiba_illumination_get(struct led_classdev *cdev) /* Check the illumination */ result = sci_read(dev, SCI_ILLUMINATION, &state); sci_close(dev); - if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) { + if (result == TOS_FAILURE) { pr_err("ACPI call for illumination failed\n"); return LED_OFF; - } else if (result == TOS_NOT_SUPPORTED) { - pr_info("Illumination not supported\n"); + } else if (result != TOS_SUCCESS) { return LED_OFF; } @@ -512,41 +507,40 @@ static enum led_brightness toshiba_illumination_get(struct led_classdev *cdev) } /* KBD Illumination */ -static int toshiba_kbd_illum_available(struct toshiba_acpi_dev *dev) +static void toshiba_kbd_illum_available(struct toshiba_acpi_dev *dev) { u32 in[TCI_WORDS] = { SCI_GET, SCI_KBD_ILLUM_STATUS, 0, 0, 0, 0 }; u32 out[TCI_WORDS]; acpi_status status; + dev->kbd_illum_supported = 0; + dev->kbd_led_registered = false; + if (!sci_open(dev)) - return 0; + return; status = tci_raw(dev, in, out); sci_close(dev); - if (ACPI_FAILURE(status) || out[0] == TOS_INPUT_DATA_ERROR) { + if (ACPI_FAILURE(status)) { pr_err("ACPI call to query kbd illumination support failed\n"); - return 0; - } else if (out[0] == TOS_NOT_SUPPORTED) { - pr_info("Keyboard illumination not available\n"); - return 0; + } else if (out[0] == TOS_SUCCESS) { + /* + * Check for keyboard backlight timeout max value, + * previous kbd backlight implementation set this to + * 0x3c0003, and now the new implementation set this + * to 0x3c001a, use this to distinguish between them. + */ + if (out[3] == SCI_KBD_TIME_MAX) + dev->kbd_type = 2; + else + dev->kbd_type = 1; + /* Get the current keyboard backlight mode */ + dev->kbd_mode = out[2] & SCI_KBD_MODE_MASK; + /* Get the current time (1-60 seconds) */ + dev->kbd_time = out[2] >> HCI_MISC_SHIFT; + /* Flag as supported */ + dev->kbd_illum_supported = 1; } - - /* - * Check for keyboard backlight timeout max value, - * previous kbd backlight implementation set this to - * 0x3c0003, and now the new implementation set this - * to 0x3c001a, use this to distinguish between them. - */ - if (out[3] == SCI_KBD_TIME_MAX) - dev->kbd_type = 2; - else - dev->kbd_type = 1; - /* Get the current keyboard backlight mode */ - dev->kbd_mode = out[2] & SCI_KBD_MODE_MASK; - /* Get the current time (1-60 seconds) */ - dev->kbd_time = out[2] >> HCI_MISC_SHIFT; - - return 1; } static int toshiba_kbd_illum_status_set(struct toshiba_acpi_dev *dev, u32 time) @@ -558,15 +552,12 @@ static int toshiba_kbd_illum_status_set(struct toshiba_acpi_dev *dev, u32 time) result = sci_write(dev, SCI_KBD_ILLUM_STATUS, time); sci_close(dev); - if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) { + if (result == TOS_FAILURE) pr_err("ACPI call to set KBD backlight status failed\n"); - return -EIO; - } else if (result == TOS_NOT_SUPPORTED) { - pr_info("Keyboard backlight status not supported\n"); + else if (result == TOS_NOT_SUPPORTED) return -ENODEV; - } - return 0; + return result == TOS_SUCCESS ? 0 : -EIO; } static int toshiba_kbd_illum_status_get(struct toshiba_acpi_dev *dev, u32 *time) @@ -578,30 +569,27 @@ static int toshiba_kbd_illum_status_get(struct toshiba_acpi_dev *dev, u32 *time) result = sci_read(dev, SCI_KBD_ILLUM_STATUS, time); sci_close(dev); - if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) { + if (result == TOS_FAILURE) pr_err("ACPI call to get KBD backlight status failed\n"); - return -EIO; - } else if (result == TOS_NOT_SUPPORTED) { - pr_info("Keyboard backlight status not supported\n"); + else if (result == TOS_NOT_SUPPORTED) return -ENODEV; - } - return 0; + return result == TOS_SUCCESS ? 0 : -EIO; } 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; + u32 result; + u32 state; /* Check the keyboard backlight state */ result = hci_read(dev, HCI_KBD_ILLUMINATION, &state); - if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) { + if (result == TOS_FAILURE) { pr_err("ACPI call to get the keyboard backlight failed\n"); return LED_OFF; - } else if (result == TOS_NOT_SUPPORTED) { - pr_info("Keyboard backlight not supported\n"); + } else if (result != TOS_SUCCESS) { return LED_OFF; } @@ -613,18 +601,14 @@ static void toshiba_kbd_backlight_set(struct led_classdev *cdev, { struct toshiba_acpi_dev *dev = container_of(cdev, struct toshiba_acpi_dev, kbd_led); - u32 state, result; + u32 result; + u32 state; /* Set the keyboard backlight state */ state = brightness ? 1 : 0; result = hci_write(dev, HCI_KBD_ILLUMINATION, state); - if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) { + if (result == TOS_FAILURE) pr_err("ACPI call to set KBD Illumination mode failed\n"); - return; - } else if (result == TOS_NOT_SUPPORTED) { - pr_info("Keyboard backlight not supported\n"); - return; - } } /* TouchPad support */ @@ -637,14 +621,12 @@ static int toshiba_touchpad_set(struct toshiba_acpi_dev *dev, u32 state) result = sci_write(dev, SCI_TOUCHPAD, state); sci_close(dev); - if (result == TOS_FAILURE) { + if (result == TOS_FAILURE) pr_err("ACPI call to set the touchpad failed\n"); - return -EIO; - } else if (result == TOS_NOT_SUPPORTED) { + else if (result == TOS_NOT_SUPPORTED) return -ENODEV; - } - return 0; + return result == TOS_SUCCESS ? 0 : -EIO; } static int toshiba_touchpad_get(struct toshiba_acpi_dev *dev, u32 *state) @@ -656,28 +638,27 @@ static int toshiba_touchpad_get(struct toshiba_acpi_dev *dev, u32 *state) result = sci_read(dev, SCI_TOUCHPAD, state); sci_close(dev); - if (result == TOS_FAILURE) { + if (result == TOS_FAILURE) pr_err("ACPI call to query the touchpad failed\n"); - return -EIO; - } else if (result == TOS_NOT_SUPPORTED) { + else if (result == TOS_NOT_SUPPORTED) return -ENODEV; - } - return 0; + return result == TOS_SUCCESS ? 0 : -EIO; } /* Eco Mode support */ -static int toshiba_eco_mode_available(struct toshiba_acpi_dev *dev) +static void toshiba_eco_mode_available(struct toshiba_acpi_dev *dev) { acpi_status status; u32 in[TCI_WORDS] = { HCI_GET, HCI_ECO_MODE, 0, 0, 0, 0 }; u32 out[TCI_WORDS]; + dev->eco_supported = 0; + dev->eco_led_registered = false; + status = tci_raw(dev, in, out); if (ACPI_FAILURE(status)) { pr_err("ACPI call to get ECO led failed\n"); - } else if (out[0] == TOS_NOT_INSTALLED) { - pr_info("ECO led not installed"); } else if (out[0] == TOS_INPUT_DATA_ERROR) { /* * If we receive 0x8300 (Input Data Error), it means that the @@ -690,13 +671,11 @@ static int toshiba_eco_mode_available(struct toshiba_acpi_dev *dev) */ in[3] = 1; status = tci_raw(dev, in, out); - if (ACPI_FAILURE(status) || out[0] == TOS_FAILURE) + if (ACPI_FAILURE(status)) pr_err("ACPI call to get ECO led failed\n"); else if (out[0] == TOS_SUCCESS) - return 1; + dev->eco_supported = 1; } - - return 0; } static enum led_brightness @@ -709,9 +688,11 @@ toshiba_eco_mode_get_status(struct led_classdev *cdev) acpi_status status; status = tci_raw(dev, in, out); - if (ACPI_FAILURE(status) || out[0] == TOS_INPUT_DATA_ERROR) { + if (ACPI_FAILURE(status)) { pr_err("ACPI call to get ECO led failed\n"); return LED_OFF; + } else if (out[0] != TOS_SUCCESS) { + return LED_OFF; } return out[2] ? LED_FULL : LED_OFF; @@ -729,41 +710,32 @@ static void toshiba_eco_mode_set_status(struct led_classdev *cdev, /* Switch the Eco Mode led on/off */ in[2] = (brightness) ? 1 : 0; status = tci_raw(dev, in, out); - if (ACPI_FAILURE(status) || out[0] == TOS_INPUT_DATA_ERROR) { + if (ACPI_FAILURE(status)) pr_err("ACPI call to set ECO led failed\n"); - return; - } } /* Accelerometer support */ -static int toshiba_accelerometer_supported(struct toshiba_acpi_dev *dev) +static void toshiba_accelerometer_available(struct toshiba_acpi_dev *dev) { u32 in[TCI_WORDS] = { HCI_GET, HCI_ACCELEROMETER2, 0, 0, 0, 0 }; u32 out[TCI_WORDS]; acpi_status status; + dev->accelerometer_supported = 0; + /* * Check if the accelerometer call exists, * this call also serves as initialization */ status = tci_raw(dev, in, out); - if (ACPI_FAILURE(status) || out[0] == TOS_INPUT_DATA_ERROR) { + if (ACPI_FAILURE(status)) pr_err("ACPI call to query the accelerometer failed\n"); - return -EIO; - } else if (out[0] == TOS_DATA_NOT_AVAILABLE || - out[0] == TOS_NOT_INITIALIZED) { - pr_err("Accelerometer not initialized\n"); - return -EIO; - } else if (out[0] == TOS_NOT_SUPPORTED) { - pr_info("Accelerometer not supported\n"); - return -ENODEV; - } - - return 0; + else if (out[0] == TOS_SUCCESS) + dev->accelerometer_supported = 1; } static int toshiba_accelerometer_get(struct toshiba_acpi_dev *dev, - u32 *xy, u32 *z) + u32 *xy, u32 *z) { u32 in[TCI_WORDS] = { HCI_GET, HCI_ACCELEROMETER, 0, 1, 0, 0 }; u32 out[TCI_WORDS]; @@ -771,15 +743,18 @@ static int toshiba_accelerometer_get(struct toshiba_acpi_dev *dev, /* Check the Accelerometer status */ status = tci_raw(dev, in, out); - if (ACPI_FAILURE(status) || out[0] == TOS_INPUT_DATA_ERROR) { + if (ACPI_FAILURE(status)) { pr_err("ACPI call to query the accelerometer failed\n"); return -EIO; + } else if (out[0] == TOS_NOT_SUPPORTED) { + return -ENODEV; + } else if (out[0] == TOS_SUCCESS) { + *xy = out[2]; + *z = out[4]; + return 0; } - *xy = out[2]; - *z = out[4]; - - return 0; + return -EIO; } /* Sleep (Charge and Music) utilities support */ @@ -789,7 +764,6 @@ static void toshiba_usb_sleep_charge_available(struct toshiba_acpi_dev *dev) u32 out[TCI_WORDS]; acpi_status status; - /* Set the feature to "not supported" in case of error */ dev->usb_sleep_charge_supported = 0; if (!sci_open(dev)) @@ -801,7 +775,6 @@ static void toshiba_usb_sleep_charge_available(struct toshiba_acpi_dev *dev) sci_close(dev); return; } else if (out[0] == TOS_NOT_SUPPORTED) { - pr_info("USB Sleep and Charge not supported\n"); sci_close(dev); return; } else if (out[0] == TOS_SUCCESS) { @@ -810,25 +783,15 @@ static void toshiba_usb_sleep_charge_available(struct toshiba_acpi_dev *dev) in[5] = SCI_USB_CHARGE_BAT_LVL; status = tci_raw(dev, in, out); + sci_close(dev); if (ACPI_FAILURE(status)) { pr_err("ACPI call to get USB Sleep and Charge mode failed\n"); - sci_close(dev); - return; - } else if (out[0] == TOS_NOT_SUPPORTED) { - pr_info("USB Sleep and Charge not supported\n"); - sci_close(dev); - return; } else if (out[0] == TOS_SUCCESS) { dev->usbsc_bat_level = out[2]; - /* - * If we reach this point, it means that the laptop has support - * for this feature and all values are initialized. - * Set it as supported. - */ + /* Flag as supported */ dev->usb_sleep_charge_supported = 1; } - sci_close(dev); } static int toshiba_usb_sleep_charge_get(struct toshiba_acpi_dev *dev, @@ -841,17 +804,12 @@ static int toshiba_usb_sleep_charge_get(struct toshiba_acpi_dev *dev, result = sci_read(dev, SCI_USB_SLEEP_CHARGE, mode); sci_close(dev); - if (result == TOS_FAILURE) { + if (result == TOS_FAILURE) pr_err("ACPI call to set USB S&C mode failed\n"); - return -EIO; - } else if (result == TOS_NOT_SUPPORTED) { - pr_info("USB Sleep and Charge not supported\n"); + else if (result == TOS_NOT_SUPPORTED) return -ENODEV; - } else if (result == TOS_INPUT_DATA_ERROR) { - return -EIO; - } - return 0; + return result == TOS_SUCCESS ? 0 : -EIO; } static int toshiba_usb_sleep_charge_set(struct toshiba_acpi_dev *dev, @@ -864,17 +822,12 @@ static int toshiba_usb_sleep_charge_set(struct toshiba_acpi_dev *dev, result = sci_write(dev, SCI_USB_SLEEP_CHARGE, mode); sci_close(dev); - if (result == TOS_FAILURE) { + if (result == TOS_FAILURE) pr_err("ACPI call to set USB S&C mode failed\n"); - return -EIO; - } else if (result == TOS_NOT_SUPPORTED) { - pr_info("USB Sleep and Charge not supported\n"); + else if (result == TOS_NOT_SUPPORTED) return -ENODEV; - } else if (result == TOS_INPUT_DATA_ERROR) { - return -EIO; - } - return 0; + return result == TOS_SUCCESS ? 0 : -EIO; } static int toshiba_sleep_functions_status_get(struct toshiba_acpi_dev *dev, @@ -892,17 +845,14 @@ static int toshiba_sleep_functions_status_get(struct toshiba_acpi_dev *dev, sci_close(dev); if (ACPI_FAILURE(status)) { pr_err("ACPI call to get USB S&C battery level failed\n"); - return -EIO; } else if (out[0] == TOS_NOT_SUPPORTED) { - pr_info("USB Sleep and Charge not supported\n"); return -ENODEV; - } else if (out[0] == TOS_INPUT_DATA_ERROR) { - return -EIO; + } else if (out[0] == TOS_SUCCESS) { + *mode = out[2]; + return 0; } - *mode = out[2]; - - return 0; + return -EIO; } static int toshiba_sleep_functions_status_set(struct toshiba_acpi_dev *dev, @@ -919,17 +869,12 @@ static int toshiba_sleep_functions_status_set(struct toshiba_acpi_dev *dev, in[5] = SCI_USB_CHARGE_BAT_LVL; status = tci_raw(dev, in, out); sci_close(dev); - if (ACPI_FAILURE(status)) { + if (ACPI_FAILURE(status)) pr_err("ACPI call to set USB S&C battery level failed\n"); - return -EIO; - } else if (out[0] == TOS_NOT_SUPPORTED) { - pr_info("USB Sleep and Charge not supported\n"); + else if (out[0] == TOS_NOT_SUPPORTED) return -ENODEV; - } else if (out[0] == TOS_INPUT_DATA_ERROR) { - return -EIO; - } - return 0; + return out[0] == TOS_SUCCESS ? 0 : -EIO; } static int toshiba_usb_rapid_charge_get(struct toshiba_acpi_dev *dev, @@ -947,16 +892,14 @@ static int toshiba_usb_rapid_charge_get(struct toshiba_acpi_dev *dev, sci_close(dev); if (ACPI_FAILURE(status)) { pr_err("ACPI call to get USB Rapid Charge failed\n"); - return -EIO; - } else if (out[0] == TOS_NOT_SUPPORTED || - out[0] == TOS_INPUT_DATA_ERROR) { - pr_info("USB Rapid Charge not supported\n"); + } else if (out[0] == TOS_NOT_SUPPORTED) { return -ENODEV; + } else if (out[0] == TOS_SUCCESS || out[0] == TOS_SUCCESS2) { + *state = out[2]; + return 0; } - *state = out[2]; - - return 0; + return -EIO; } static int toshiba_usb_rapid_charge_set(struct toshiba_acpi_dev *dev, @@ -973,17 +916,12 @@ static int toshiba_usb_rapid_charge_set(struct toshiba_acpi_dev *dev, in[5] = SCI_USB_CHARGE_RAPID_DSP; status = tci_raw(dev, in, out); sci_close(dev); - if (ACPI_FAILURE(status)) { + if (ACPI_FAILURE(status)) pr_err("ACPI call to set USB Rapid Charge failed\n"); - return -EIO; - } else if (out[0] == TOS_NOT_SUPPORTED) { - pr_info("USB Rapid Charge not supported\n"); + else if (out[0] == TOS_NOT_SUPPORTED) return -ENODEV; - } else if (out[0] == TOS_INPUT_DATA_ERROR) { - return -EIO; - } - return 0; + return (out[0] == TOS_SUCCESS || out[0] == TOS_SUCCESS2) ? 0 : -EIO; } static int toshiba_usb_sleep_music_get(struct toshiba_acpi_dev *dev, u32 *state) @@ -995,17 +933,12 @@ static int toshiba_usb_sleep_music_get(struct toshiba_acpi_dev *dev, u32 *state) result = sci_read(dev, SCI_USB_SLEEP_MUSIC, state); sci_close(dev); - if (result == TOS_FAILURE) { + if (result == TOS_FAILURE) pr_err("ACPI call to get Sleep and Music failed\n"); - return -EIO; - } else if (result == TOS_NOT_SUPPORTED) { - pr_info("Sleep and Music not supported\n"); + else if (result == TOS_NOT_SUPPORTED) return -ENODEV; - } else if (result == TOS_INPUT_DATA_ERROR) { - return -EIO; - } - return 0; + return result = TOS_SUCCESS ? 0 : -EIO; } static int toshiba_usb_sleep_music_set(struct toshiba_acpi_dev *dev, u32 state) @@ -1017,17 +950,12 @@ static int toshiba_usb_sleep_music_set(struct toshiba_acpi_dev *dev, u32 state) result = sci_write(dev, SCI_USB_SLEEP_MUSIC, state); sci_close(dev); - if (result == TOS_FAILURE) { + if (result == TOS_FAILURE) pr_err("ACPI call to set Sleep and Music failed\n"); - return -EIO; - } else if (result == TOS_NOT_SUPPORTED) { - pr_info("Sleep and Music not supported\n"); + else if (result == TOS_NOT_SUPPORTED) return -ENODEV; - } else if (result == TOS_INPUT_DATA_ERROR) { - return -EIO; - } - return 0; + return result == TOS_SUCCESS ? 0 : -EIO; } /* Keyboard function keys */ @@ -1040,15 +968,12 @@ static int toshiba_function_keys_get(struct toshiba_acpi_dev *dev, u32 *mode) result = sci_read(dev, SCI_KBD_FUNCTION_KEYS, mode); sci_close(dev); - if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) { + if (result == TOS_FAILURE) pr_err("ACPI call to get KBD function keys failed\n"); - return -EIO; - } else if (result == TOS_NOT_SUPPORTED) { - pr_info("KBD function keys not supported\n"); + else if (result == TOS_NOT_SUPPORTED) return -ENODEV; - } - return 0; + return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO; } static int toshiba_function_keys_set(struct toshiba_acpi_dev *dev, u32 mode) @@ -1060,15 +985,12 @@ static int toshiba_function_keys_set(struct toshiba_acpi_dev *dev, u32 mode) result = sci_write(dev, SCI_KBD_FUNCTION_KEYS, mode); sci_close(dev); - if (result == TOS_FAILURE || result == TOS_INPUT_DATA_ERROR) { + if (result == TOS_FAILURE) pr_err("ACPI call to set KBD function keys failed\n"); - return -EIO; - } else if (result == TOS_NOT_SUPPORTED) { - pr_info("KBD function keys not supported\n"); + else if (result == TOS_NOT_SUPPORTED) return -ENODEV; - } - return 0; + return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO; } /* Panel Power ON */ @@ -1081,17 +1003,12 @@ static int toshiba_panel_power_on_get(struct toshiba_acpi_dev *dev, u32 *state) result = sci_read(dev, SCI_PANEL_POWER_ON, state); sci_close(dev); - if (result == TOS_FAILURE) { + if (result == TOS_FAILURE) pr_err("ACPI call to get Panel Power ON failed\n"); - return -EIO; - } else if (result == TOS_NOT_SUPPORTED) { - pr_info("Panel Power on not supported\n"); + else if (result == TOS_NOT_SUPPORTED) return -ENODEV; - } else if (result == TOS_INPUT_DATA_ERROR) { - return -EIO; - } - return 0; + return result == TOS_SUCCESS ? 0 : -EIO; } static int toshiba_panel_power_on_set(struct toshiba_acpi_dev *dev, u32 state) @@ -1103,17 +1020,12 @@ static int toshiba_panel_power_on_set(struct toshiba_acpi_dev *dev, u32 state) result = sci_write(dev, SCI_PANEL_POWER_ON, state); sci_close(dev); - if (result == TOS_FAILURE) { + if (result == TOS_FAILURE) pr_err("ACPI call to set Panel Power ON failed\n"); - return -EIO; - } else if (result == TOS_NOT_SUPPORTED) { - pr_info("Panel Power ON not supported\n"); + else if (result == TOS_NOT_SUPPORTED) return -ENODEV; - } else if (result == TOS_INPUT_DATA_ERROR) { - return -EIO; - } - return 0; + return result == TOS_SUCCESS ? 0 : -EIO; } /* USB Three */ @@ -1126,17 +1038,12 @@ static int toshiba_usb_three_get(struct toshiba_acpi_dev *dev, u32 *state) result = sci_read(dev, SCI_USB_THREE, state); sci_close(dev); - if (result == TOS_FAILURE) { + if (result == TOS_FAILURE) pr_err("ACPI call to get USB 3 failed\n"); - return -EIO; - } else if (result == TOS_NOT_SUPPORTED) { - pr_info("USB 3 not supported\n"); + else if (result == TOS_NOT_SUPPORTED) return -ENODEV; - } else if (result == TOS_INPUT_DATA_ERROR) { - return -EIO; - } - return 0; + return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO; } static int toshiba_usb_three_set(struct toshiba_acpi_dev *dev, u32 state) @@ -1148,17 +1055,12 @@ static int toshiba_usb_three_set(struct toshiba_acpi_dev *dev, u32 state) result = sci_write(dev, SCI_USB_THREE, state); sci_close(dev); - if (result == TOS_FAILURE) { + if (result == TOS_FAILURE) pr_err("ACPI call to set USB 3 failed\n"); - return -EIO; - } else if (result == TOS_NOT_SUPPORTED) { - pr_info("USB 3 not supported\n"); + else if (result == TOS_NOT_SUPPORTED) return -ENODEV; - } else if (result == TOS_INPUT_DATA_ERROR) { - return -EIO; - } - return 0; + return (result == TOS_SUCCESS || result == TOS_SUCCESS2) ? 0 : -EIO; } /* Hotkey Event type */ @@ -1172,35 +1074,39 @@ static int toshiba_hotkey_event_type_get(struct toshiba_acpi_dev *dev, status = tci_raw(dev, in, out); if (ACPI_FAILURE(status)) { pr_err("ACPI call to get System type failed\n"); - return -EIO; } else if (out[0] == TOS_NOT_SUPPORTED) { - pr_info("System type not supported\n"); return -ENODEV; + } else if (out[0] == TOS_SUCCESS) { + *type = out[3]; + return 0; } - *type = out[3]; - - return 0; + return -EIO; } /* Transflective Backlight */ -static int get_tr_backlight_status(struct toshiba_acpi_dev *dev, bool *enabled) +static int get_tr_backlight_status(struct toshiba_acpi_dev *dev, u32 *status) { - u32 hci_result; - u32 status; + u32 result = hci_read(dev, HCI_TR_BACKLIGHT, status); + + if (result == TOS_FAILURE) + pr_err("ACPI call to get Transflective Backlight failed\n"); + else if (result == TOS_NOT_SUPPORTED) + return -ENODEV; - hci_result = hci_read(dev, HCI_TR_BACKLIGHT, &status); - *enabled = !status; - return hci_result == TOS_SUCCESS ? 0 : -EIO; + return result == TOS_SUCCESS ? 0 : -EIO; } -static int set_tr_backlight_status(struct toshiba_acpi_dev *dev, bool enable) +static int set_tr_backlight_status(struct toshiba_acpi_dev *dev, u32 status) { - u32 hci_result; - u32 value = !enable; + u32 result = hci_write(dev, HCI_TR_BACKLIGHT, !status); + + if (result == TOS_FAILURE) + pr_err("ACPI call to set Transflective Backlight failed\n"); + else if (result == TOS_NOT_SUPPORTED) + return -ENODEV; - hci_result = hci_write(dev, HCI_TR_BACKLIGHT, value); - return hci_result == TOS_SUCCESS ? 0 : -EIO; + return result == TOS_SUCCESS ? 0 : -EIO; } static struct proc_dir_entry *toshiba_proc_dir; @@ -1208,23 +1114,26 @@ static struct proc_dir_entry *toshiba_proc_dir; /* LCD Brightness */ static int __get_lcd_brightness(struct toshiba_acpi_dev *dev) { - u32 hci_result; + u32 result; u32 value; int brightness = 0; if (dev->tr_backlight_supported) { - bool enabled; - int ret = get_tr_backlight_status(dev, &enabled); + int ret = get_tr_backlight_status(dev, &value); if (ret) return ret; - if (enabled) + if (value) return 0; brightness++; } - hci_result = hci_read(dev, HCI_LCD_BRIGHTNESS, &value); - if (hci_result == TOS_SUCCESS) + result = hci_read(dev, HCI_LCD_BRIGHTNESS, &value); + if (result == TOS_FAILURE) + pr_err("ACPI call to get LCD Brightness failed\n"); + else if (result == TOS_NOT_SUPPORTED) + return -ENODEV; + if (result == TOS_SUCCESS) return brightness + (value >> HCI_LCD_BRIGHTNESS_SHIFT); return -EIO; @@ -1240,8 +1149,8 @@ static int get_lcd_brightness(struct backlight_device *bd) static int lcd_proc_show(struct seq_file *m, void *v) { struct toshiba_acpi_dev *dev = m->private; - int value; int levels; + int value; if (!dev->backlight_dev) return -ENODEV; @@ -1255,6 +1164,7 @@ static int lcd_proc_show(struct seq_file *m, void *v) } pr_err("Error reading LCD brightness\n"); + return -EIO; } @@ -1265,11 +1175,10 @@ static int lcd_proc_open(struct inode *inode, struct file *file) static int set_lcd_brightness(struct toshiba_acpi_dev *dev, int value) { - u32 hci_result; + u32 result; if (dev->tr_backlight_supported) { - bool enable = !value; - int ret = set_tr_backlight_status(dev, enable); + int ret = set_tr_backlight_status(dev, !value); if (ret) return ret; @@ -1278,8 +1187,13 @@ static int set_lcd_brightness(struct toshiba_acpi_dev *dev, int value) } value = value << HCI_LCD_BRIGHTNESS_SHIFT; - hci_result = hci_write(dev, HCI_LCD_BRIGHTNESS, value); - return hci_result == TOS_SUCCESS ? 0 : -EIO; + result = hci_write(dev, HCI_LCD_BRIGHTNESS, value); + if (result == TOS_FAILURE) + pr_err("ACPI call to set LCD Brightness failed\n"); + else if (result == TOS_NOT_SUPPORTED) + return -ENODEV; + + return result == TOS_SUCCESS ? 0 : -EIO; } static int set_lcd_status(struct backlight_device *bd) @@ -1295,24 +1209,22 @@ static ssize_t lcd_proc_write(struct file *file, const char __user *buf, 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; + int value; len = min(count, sizeof(cmd) - 1); if (copy_from_user(cmd, buf, len)) return -EFAULT; cmd[len] = '\0'; - if (sscanf(cmd, " brightness : %i", &value) == 1 && - value >= 0 && value < levels) { - ret = set_lcd_brightness(dev, value); - if (ret == 0) - ret = count; - } else { - ret = -EINVAL; - } - return ret; + if (sscanf(cmd, " brightness : %i", &value) != 1 && + value < 0 && value > levels) + return -EINVAL; + + if (set_lcd_brightness(dev, value)) + return -EIO; + + return count; } static const struct file_operations lcd_proc_fops = { @@ -1324,22 +1236,25 @@ static const struct file_operations lcd_proc_fops = { .write = lcd_proc_write, }; +/* Video-Out */ static int get_video_status(struct toshiba_acpi_dev *dev, u32 *status) { - u32 hci_result; + u32 result = hci_read(dev, HCI_VIDEO_OUT, status); + + if (result == TOS_FAILURE) + pr_err("ACPI call to get Video-Out failed\n"); + else if (result == TOS_NOT_SUPPORTED) + return -ENODEV; - hci_result = hci_read(dev, HCI_VIDEO_OUT, status); - return hci_result == TOS_SUCCESS ? 0 : -EIO; + return result == TOS_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; - ret = get_video_status(dev, &value); - if (!ret) { + if (!get_video_status(dev, &value)) { 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; @@ -1347,9 +1262,10 @@ static int video_proc_show(struct seq_file *m, void *v) 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 0; } - return ret; + return -EIO; } static int video_proc_open(struct inode *inode, struct file *file) @@ -1361,13 +1277,14 @@ 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; + char *buffer; + char *cmd; int remain = count; int lcd_out = -1; int crt_out = -1; int tv_out = -1; + int value; + int ret; u32 video_out; cmd = kmalloc(count + 1, GFP_KERNEL); @@ -1419,7 +1336,7 @@ static ssize_t video_proc_write(struct file *file, const char __user *buf, ret = write_acpi_int(METHOD_VIDEO_OUT, new_video_out); } - return ret ? ret : count; + return ret ? -EIO : count; } static const struct file_operations video_proc_fops = { @@ -1431,27 +1348,43 @@ static const struct file_operations video_proc_fops = { .write = video_proc_write, }; +/* Fan status */ static int get_fan_status(struct toshiba_acpi_dev *dev, u32 *status) { - u32 hci_result; + u32 result = hci_read(dev, HCI_FAN, status); + + if (result == TOS_FAILURE) + pr_err("ACPI call to get Fan status failed\n"); + else if (result == TOS_NOT_SUPPORTED) + return -ENODEV; - hci_result = hci_read(dev, HCI_FAN, status); - return hci_result == TOS_SUCCESS ? 0 : -EIO; + return result == TOS_SUCCESS ? 0 : -EIO; +} + +static int set_fan_status(struct toshiba_acpi_dev *dev, u32 status) +{ + u32 result = hci_write(dev, HCI_FAN, status); + + if (result == TOS_FAILURE) + pr_err("ACPI call to set Fan status failed\n"); + else if (result == TOS_NOT_SUPPORTED) + return -ENODEV; + + return result == TOS_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; - 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); - } + if (get_fan_status(dev, &value)) + return -EIO; - return ret; + seq_printf(m, "running: %d\n", (value > 0)); + seq_printf(m, "force_on: %d\n", dev->force_fan); + + return 0; } static int fan_proc_open(struct inode *inode, struct file *file) @@ -1466,23 +1399,20 @@ static ssize_t fan_proc_write(struct file *file, const char __user *buf, char cmd[42]; size_t len; int value; - u32 hci_result; 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_result = hci_write(dev, HCI_FAN, value); - if (hci_result == TOS_SUCCESS) - dev->force_fan = value; - else - return -EIO; - } else { + if (sscanf(cmd, " force_on : %i", &value) != 1 && + value != 0 && value != 1) return -EINVAL; - } + + if (set_fan_status(dev, value)) + return -EIO; + + dev->force_fan = value; return count; } @@ -1499,32 +1429,10 @@ static const struct file_operations fan_proc_fops = { static int keys_proc_show(struct seq_file *m, void *v) { struct toshiba_acpi_dev *dev = m->private; - u32 hci_result; - u32 value; - - if (!dev->key_event_valid && dev->system_event_supported) { - hci_result = hci_read(dev, HCI_SYSTEM_EVENT, &value); - if (hci_result == TOS_SUCCESS) { - dev->key_event_valid = 1; - dev->last_key_event = value; - } else if (hci_result == TOS_FIFO_EMPTY) { - /* Better luck next time */ - } else if (hci_result == TOS_NOT_SUPPORTED) { - /* - * This is a workaround for an unresolved issue on - * some machines where system events sporadically - * become disabled. - */ - hci_result = hci_write(dev, HCI_SYSTEM_EVENT, 1); - pr_notice("Re-enabled hotkeys\n"); - } else { - pr_err("Error reading hotkey status\n"); - return -EIO; - } - } seq_printf(m, "hotkey_ready: %d\n", dev->key_event_valid); seq_printf(m, "hotkey: 0x%04x\n", dev->last_key_event); + return 0; } @@ -1641,7 +1549,6 @@ static ssize_t fan_store(struct device *dev, const char *buf, size_t count) { struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); - u32 result; int state; int ret; @@ -1652,11 +1559,9 @@ static ssize_t fan_store(struct device *dev, if (state != 0 && state != 1) return -EINVAL; - result = hci_write(toshiba, HCI_FAN, state); - if (result == TOS_FAILURE) - return -EIO; - else if (result == TOS_NOT_SUPPORTED) - return -ENODEV; + ret = set_fan_status(toshiba, state); + if (ret) + return ret; return count; } @@ -1682,7 +1587,6 @@ static ssize_t kbd_backlight_mode_store(struct device *dev, { struct toshiba_acpi_dev *toshiba = dev_get_drvdata(dev); int mode; - int time; int ret; @@ -1713,7 +1617,7 @@ static ssize_t kbd_backlight_mode_store(struct device *dev, /* Only make a change if the actual mode has changed */ if (toshiba->kbd_mode != mode) { /* Shift the time to "base time" (0x3c0000 == 60 seconds) */ - time = toshiba->kbd_time << HCI_MISC_SHIFT; + int time = toshiba->kbd_time << HCI_MISC_SHIFT; /* OR the "base time" to the actual method format */ if (toshiba->kbd_type == 1) { @@ -2262,6 +2166,81 @@ static struct attribute_group toshiba_attr_group = { }; /* + * Misc device + */ +static int toshiba_acpi_smm_bridge(SMMRegisters *regs) +{ + u32 in[TCI_WORDS] = { regs->eax, regs->ebx, regs->ecx, + regs->edx, regs->esi, regs->edi }; + u32 out[TCI_WORDS]; + acpi_status status; + + status = tci_raw(toshiba_acpi, in, out); + if (ACPI_FAILURE(status)) { + pr_err("ACPI call to query SMM registers failed\n"); + return -EIO; + } + + /* Fillout the SMM struct with the TCI call results */ + regs->eax = out[0]; + regs->ebx = out[1]; + regs->ecx = out[2]; + regs->edx = out[3]; + regs->esi = out[4]; + regs->edi = out[5]; + + return 0; +} + +static long toshiba_acpi_ioctl(struct file *fp, unsigned int cmd, + unsigned long arg) +{ + SMMRegisters __user *argp = (SMMRegisters __user *)arg; + SMMRegisters regs; + int ret; + + if (!argp) + return -EINVAL; + + switch (cmd) { + case TOSH_SMM: + if (copy_from_user(®s, argp, sizeof(SMMRegisters))) + return -EFAULT; + ret = toshiba_acpi_smm_bridge(®s); + if (ret) + return ret; + if (copy_to_user(argp, ®s, sizeof(SMMRegisters))) + return -EFAULT; + break; + case TOSHIBA_ACPI_SCI: + if (copy_from_user(®s, argp, sizeof(SMMRegisters))) + return -EFAULT; + /* Ensure we are being called with a SCI_{GET, SET} register */ + if (regs.eax != SCI_GET && regs.eax != SCI_SET) + return -EINVAL; + if (!sci_open(toshiba_acpi)) + return -EIO; + ret = toshiba_acpi_smm_bridge(®s); + sci_close(toshiba_acpi); + if (ret) + return ret; + if (copy_to_user(argp, ®s, sizeof(SMMRegisters))) + return -EFAULT; + break; + default: + return -EINVAL; + } + + return 0; +} + +static const struct file_operations toshiba_acpi_fops = { + .owner = THIS_MODULE, + .unlocked_ioctl = toshiba_acpi_ioctl, + .llseek = noop_llseek, +}; + +/* * Hotkeys */ static int toshiba_acpi_enable_hotkeys(struct toshiba_acpi_dev *dev) @@ -2361,22 +2340,28 @@ static void toshiba_acpi_report_hotkey(struct toshiba_acpi_dev *dev, static void toshiba_acpi_process_hotkeys(struct toshiba_acpi_dev *dev) { - u32 hci_result, value; - int retries = 3; - int scancode; - if (dev->info_supported) { - scancode = toshiba_acpi_query_hotkey(dev); - if (scancode < 0) + int scancode = toshiba_acpi_query_hotkey(dev); + + if (scancode < 0) { pr_err("Failed to query hotkey event\n"); - else if (scancode != 0) + } else if (scancode != 0) { toshiba_acpi_report_hotkey(dev, scancode); + dev->key_event_valid = 1; + dev->last_key_event = scancode; + } } else if (dev->system_event_supported) { + u32 result; + u32 value; + int retries = 3; + do { - hci_result = hci_read(dev, HCI_SYSTEM_EVENT, &value); - switch (hci_result) { + result = hci_read(dev, HCI_SYSTEM_EVENT, &value); + switch (result) { case TOS_SUCCESS: toshiba_acpi_report_hotkey(dev, (int)value); + dev->key_event_valid = 1; + dev->last_key_event = value; break; case TOS_NOT_SUPPORTED: /* @@ -2384,15 +2369,15 @@ static void toshiba_acpi_process_hotkeys(struct toshiba_acpi_dev *dev) * issue on some machines where system events * sporadically become disabled. */ - hci_result = - hci_write(dev, HCI_SYSTEM_EVENT, 1); - pr_notice("Re-enabled hotkeys\n"); + result = hci_write(dev, HCI_SYSTEM_EVENT, 1); + if (result == TOS_SUCCESS) + pr_notice("Re-enabled hotkeys\n"); /* Fall through */ default: retries--; break; } - } while (retries && hci_result != TOS_FIFO_EMPTY); + } while (retries && result != TOS_FIFO_EMPTY); } } @@ -2404,6 +2389,11 @@ static int toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev) u32 hci_result; int error; + if (wmi_has_guid(TOSHIBA_WMI_EVENT_GUID)) { + pr_info("WMI event detected, hotkeys will not be monitored\n"); + return 0; + } + error = toshiba_acpi_enable_hotkeys(dev); if (error) return error; @@ -2496,7 +2486,6 @@ static int toshiba_acpi_setup_backlight(struct toshiba_acpi_dev *dev) struct backlight_properties props; int brightness; int ret; - bool enabled; /* * Some machines don't support the backlight methods at all, and @@ -2513,10 +2502,6 @@ static int toshiba_acpi_setup_backlight(struct toshiba_acpi_dev *dev) return 0; } - /* Determine whether or not BIOS supports transflective backlight */ - ret = get_tr_backlight_status(dev, &enabled); - dev->tr_backlight_supported = !ret; - /* * Tell acpi-video-detect code to prefer vendor backlight on all * systems with transflective backlight and on dmi matched systems. @@ -2552,10 +2537,52 @@ static int toshiba_acpi_setup_backlight(struct toshiba_acpi_dev *dev) return 0; } +static void print_supported_features(struct toshiba_acpi_dev *dev) +{ + pr_info("Supported laptop features:"); + + if (dev->hotkey_dev) + pr_cont(" hotkeys"); + if (dev->backlight_dev) + pr_cont(" backlight"); + if (dev->video_supported) + pr_cont(" video-out"); + if (dev->fan_supported) + pr_cont(" fan"); + if (dev->tr_backlight_supported) + pr_cont(" transflective-backlight"); + if (dev->illumination_supported) + pr_cont(" illumination"); + if (dev->kbd_illum_supported) + pr_cont(" keyboard-backlight"); + if (dev->touchpad_supported) + pr_cont(" touchpad"); + if (dev->eco_supported) + pr_cont(" eco-led"); + if (dev->accelerometer_supported) + pr_cont(" accelerometer-axes"); + if (dev->usb_sleep_charge_supported) + pr_cont(" usb-sleep-charge"); + if (dev->usb_rapid_charge_supported) + pr_cont(" usb-rapid-charge"); + if (dev->usb_sleep_music_supported) + pr_cont(" usb-sleep-music"); + if (dev->kbd_function_keys_supported) + pr_cont(" special-function-keys"); + if (dev->panel_power_on_supported) + pr_cont(" panel-power-on"); + if (dev->usb_three_supported) + pr_cont(" usb3"); + + pr_cont("\n"); +} + static int toshiba_acpi_remove(struct acpi_device *acpi_dev) { struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev); + misc_deregister(&dev->miscdev); + remove_toshiba_proc_entries(dev); if (dev->sysfs_created) @@ -2574,13 +2601,13 @@ static int toshiba_acpi_remove(struct acpi_device *acpi_dev) backlight_device_unregister(dev->backlight_dev); - if (dev->illumination_supported) + if (dev->illumination_led_registered) led_classdev_unregister(&dev->led_dev); if (dev->kbd_led_registered) led_classdev_unregister(&dev->kbd_led); - if (dev->eco_supported) + if (dev->eco_led_registered) led_classdev_unregister(&dev->eco_led); if (toshiba_acpi) @@ -2627,6 +2654,17 @@ static int toshiba_acpi_add(struct acpi_device *acpi_dev) return -ENOMEM; dev->acpi_dev = acpi_dev; dev->method_hci = hci_method; + dev->miscdev.minor = MISC_DYNAMIC_MINOR; + dev->miscdev.name = "toshiba_acpi"; + dev->miscdev.fops = &toshiba_acpi_fops; + + ret = misc_register(&dev->miscdev); + if (ret) { + pr_err("Failed to register miscdevice\n"); + kfree(dev); + return ret; + } + acpi_dev->driver_data = dev; dev_set_drvdata(&acpi_dev->dev, dev); @@ -2643,29 +2681,35 @@ static int toshiba_acpi_add(struct acpi_device *acpi_dev) if (toshiba_acpi_setup_keyboard(dev)) pr_info("Unable to activate hotkeys\n"); + /* Determine whether or not BIOS supports transflective backlight */ + ret = get_tr_backlight_status(dev, &dummy); + dev->tr_backlight_supported = !ret; + ret = toshiba_acpi_setup_backlight(dev); if (ret) goto error; - if (toshiba_illumination_available(dev)) { + toshiba_illumination_available(dev); + if (dev->illumination_supported) { 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; + dev->illumination_led_registered = true; } - if (toshiba_eco_mode_available(dev)) { + toshiba_eco_mode_available(dev); + if (dev->eco_supported) { 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; + dev->eco_led_registered = true; } - dev->kbd_illum_supported = toshiba_kbd_illum_available(dev); + toshiba_kbd_illum_available(dev); /* * Only register the LED if KBD illumination is supported * and the keyboard backlight operation mode is set to FN-Z @@ -2676,14 +2720,13 @@ static int toshiba_acpi_add(struct acpi_device *acpi_dev) 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; + dev->kbd_led_registered = true; } ret = toshiba_touchpad_get(dev, &dummy); dev->touchpad_supported = !ret; - ret = toshiba_accelerometer_supported(dev); - dev->accelerometer_supported = !ret; + toshiba_accelerometer_available(dev); toshiba_usb_sleep_charge_available(dev); @@ -2705,6 +2748,8 @@ static int toshiba_acpi_add(struct acpi_device *acpi_dev) ret = get_fan_status(dev, &dummy); dev->fan_supported = !ret; + print_supported_features(dev); + /* * Enable the "Special Functions" mode only if they are * supported and if they are activated. @@ -2738,6 +2783,14 @@ static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event) switch (event) { case 0x80: /* Hotkeys and some system events */ + /* + * Machines with this WMI GUID aren't supported due to bugs in + * their AML. + * + * Return silently to avoid triggering a netlink event. + */ + if (wmi_has_guid(TOSHIBA_WMI_EVENT_GUID)) + return; toshiba_acpi_process_hotkeys(dev); break; case 0x81: /* Dock events */ @@ -2781,10 +2834,14 @@ static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event) 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) + if (dev->hotkey_dev) { + u32 result; + result = hci_write(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_DISABLE); + if (result != TOS_SUCCESS) + pr_info("Unable to disable hotkeys\n"); + } return 0; } @@ -2792,10 +2849,10 @@ static int toshiba_acpi_suspend(struct device *device) static int toshiba_acpi_resume(struct device *device) { struct toshiba_acpi_dev *dev = acpi_driver_data(to_acpi_device(device)); - int error; if (dev->hotkey_dev) { - error = toshiba_acpi_enable_hotkeys(dev); + int error = toshiba_acpi_enable_hotkeys(dev); + if (error) pr_info("Unable to re-enable hotkeys\n"); } @@ -2824,14 +2881,6 @@ 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"); |
