diff options
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/Kconfig | 31 | ||||
| -rw-r--r-- | drivers/misc/Makefile | 5 | ||||
| -rw-r--r-- | drivers/misc/acer-wmi.c | 145 | ||||
| -rw-r--r-- | drivers/misc/compal-laptop.c | 404 | ||||
| -rw-r--r-- | drivers/misc/eeepc-laptop.c | 4 | ||||
| -rw-r--r-- | drivers/misc/fujitsu-laptop.c | 825 |
6 files changed, 1348 insertions, 66 deletions
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index 636af2862308..1921b8dbb242 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -179,17 +179,29 @@ config FUJITSU_LAPTOP tristate "Fujitsu Laptop Extras" depends on X86 depends on ACPI + depends on INPUT depends on BACKLIGHT_CLASS_DEVICE ---help--- This is a driver for laptops built by Fujitsu: * P2xxx/P5xxx/S6xxx/S7xxx series Lifebooks * Possibly other Fujitsu laptop models + * Tested with S6410 and S7020 - It adds support for LCD brightness control. + It adds support for LCD brightness control and some hotkeys. If you have a Fujitsu laptop, say Y or M here. +config FUJITSU_LAPTOP_DEBUG + bool "Verbose debug mode for Fujitsu Laptop Extras" + depends on FUJITSU_LAPTOP + default n + ---help--- + Enables extra debug output from the fujitsu extras driver, at the + expense of a slight increase in driver size. + + If you are not sure, say N here. + config TC1100_WMI tristate "HP Compaq TC1100 Tablet WMI Extras (EXPERIMENTAL)" depends on X86 && !X86_64 @@ -219,6 +231,23 @@ config MSI_LAPTOP If you have an MSI S270 laptop, say Y or M here. +config COMPAL_LAPTOP + tristate "Compal Laptop Extras" + depends on X86 + depends on ACPI_EC + depends on BACKLIGHT_CLASS_DEVICE + ---help--- + This is a driver for laptops built by Compal: + + Compal FL90/IFL90 + Compal FL91/IFL91 + Compal FL92/JFL92 + Compal FT00/IFT00 + + It adds support for Bluetooth, WLAN and LCD brightness control. + + If you have an Compal FL9x/IFL9x/FT00 laptop, say Y or M here. + config SONY_LAPTOP tristate "Sony Laptop Extras" depends on X86 && ACPI diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index 1952875a272e..a6dac6a2e7e5 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -5,10 +5,11 @@ obj- := misc.o # Dummy rule to force built-in.o to be made obj-$(CONFIG_IBM_ASM) += ibmasm/ obj-$(CONFIG_HDPU_FEATURES) += hdpuftrs/ -obj-$(CONFIG_MSI_LAPTOP) += msi-laptop.o -obj-$(CONFIG_ACER_WMI) += acer-wmi.o obj-$(CONFIG_ASUS_LAPTOP) += asus-laptop.o obj-$(CONFIG_EEEPC_LAPTOP) += eeepc-laptop.o +obj-$(CONFIG_MSI_LAPTOP) += msi-laptop.o +obj-$(CONFIG_COMPAL_LAPTOP) += compal-laptop.o +obj-$(CONFIG_ACER_WMI) += acer-wmi.o obj-$(CONFIG_ATMEL_PWM) += atmel_pwm.o obj-$(CONFIG_ATMEL_SSC) += atmel-ssc.o obj-$(CONFIG_ATMEL_TCLIB) += atmel_tclib.o diff --git a/drivers/misc/acer-wmi.c b/drivers/misc/acer-wmi.c index dd13a3749927..e7a3fe508dff 100644 --- a/drivers/misc/acer-wmi.c +++ b/drivers/misc/acer-wmi.c @@ -22,18 +22,18 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#define ACER_WMI_VERSION "0.1" - #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> #include <linux/types.h> #include <linux/dmi.h> +#include <linux/fb.h> #include <linux/backlight.h> #include <linux/leds.h> #include <linux/platform_device.h> #include <linux/acpi.h> #include <linux/i8042.h> +#include <linux/debugfs.h> #include <acpi/acpi_drivers.h> @@ -87,6 +87,7 @@ struct acer_quirks { * Acer ACPI method GUIDs */ #define AMW0_GUID1 "67C3371D-95A3-4C37-BB61-DD47B491DAAB" +#define AMW0_GUID2 "431F16ED-0C2B-444C-B267-27DEB140CF9C" #define WMID_GUID1 "6AF4F258-B401-42fd-BE91-3D4AC2D7C0D3" #define WMID_GUID2 "95764E09-FB56-4e83-B31A-37761F60994A" @@ -150,6 +151,12 @@ struct acer_data { int brightness; }; +struct acer_debug { + struct dentry *root; + struct dentry *devices; + u32 wmid_devices; +}; + /* Each low-level interface must define at least some of the following */ struct wmi_interface { /* The WMI device type */ @@ -160,6 +167,9 @@ struct wmi_interface { /* Private data for the current interface */ struct acer_data data; + + /* debugfs entries associated with this interface */ + struct acer_debug debug; }; /* The static interface pointer, points to the currently detected interface */ @@ -174,7 +184,7 @@ static struct wmi_interface *interface; struct quirk_entry { u8 wireless; u8 mailled; - u8 brightness; + s8 brightness; u8 bluetooth; }; @@ -198,6 +208,10 @@ static int dmi_matched(const struct dmi_system_id *dmi) static struct quirk_entry quirk_unknown = { }; +static struct quirk_entry quirk_acer_aspire_1520 = { + .brightness = -1, +}; + static struct quirk_entry quirk_acer_travelmate_2490 = { .mailled = 1, }; @@ -207,9 +221,31 @@ static struct quirk_entry quirk_medion_md_98300 = { .wireless = 1, }; +static struct quirk_entry quirk_fujitsu_amilo_li_1718 = { + .wireless = 2, +}; + static struct dmi_system_id acer_quirks[] = { { .callback = dmi_matched, + .ident = "Acer Aspire 1360", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"), + }, + .driver_data = &quirk_acer_aspire_1520, + }, + { + .callback = dmi_matched, + .ident = "Acer Aspire 1520", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1520"), + }, + .driver_data = &quirk_acer_aspire_1520, + }, + { + .callback = dmi_matched, .ident = "Acer Aspire 3100", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), @@ -300,6 +336,15 @@ static struct dmi_system_id acer_quirks[] = { }, { .callback = dmi_matched, + .ident = "Fujitsu Siemens Amilo Li 1718", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Li 1718"), + }, + .driver_data = &quirk_fujitsu_amilo_li_1718, + }, + { + .callback = dmi_matched, .ident = "Medion MD 98300", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "MEDION"), @@ -393,6 +438,12 @@ struct wmi_interface *iface) return AE_ERROR; *value = result & 0x1; return AE_OK; + case 2: + err = ec_read(0x71, &result); + if (err) + return AE_ERROR; + *value = result & 0x1; + return AE_OK; default: err = ec_read(0xA, &result); if (err) @@ -506,6 +557,15 @@ static acpi_status AMW0_set_capabilities(void) struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *obj; + /* + * On laptops with this strange GUID (non Acer), normal probing doesn't + * work. + */ + if (wmi_has_guid(AMW0_GUID2)) { + interface->capability |= ACER_CAP_WIRELESS; + return AE_OK; + } + args.eax = ACER_AMW0_WRITE; args.ecx = args.edx = 0; @@ -552,7 +612,8 @@ static acpi_status AMW0_set_capabilities(void) * appear to use the same EC register for brightness, even if they * differ for wireless, etc */ - interface->capability |= ACER_CAP_BRIGHTNESS; + if (quirks->brightness >= 0) + interface->capability |= ACER_CAP_BRIGHTNESS; return AE_OK; } @@ -807,7 +868,15 @@ static int read_brightness(struct backlight_device *bd) static int update_bl_status(struct backlight_device *bd) { - set_u32(bd->props.brightness, ACER_CAP_BRIGHTNESS); + int intensity = bd->props.brightness; + + if (bd->props.power != FB_BLANK_UNBLANK) + intensity = 0; + if (bd->props.fb_blank != FB_BLANK_UNBLANK) + intensity = 0; + + set_u32(intensity, ACER_CAP_BRIGHTNESS); + return 0; } @@ -829,8 +898,9 @@ static int __devinit acer_backlight_init(struct device *dev) acer_backlight_device = bd; + bd->props.power = FB_BLANK_UNBLANK; + bd->props.brightness = max_brightness; bd->props.max_brightness = max_brightness; - bd->props.brightness = read_brightness(NULL); backlight_update_status(bd); return 0; } @@ -894,6 +964,28 @@ static DEVICE_ATTR(interface, S_IWUGO | S_IRUGO | S_IWUSR, show_interface, NULL); /* + * debugfs functions + */ +static u32 get_wmid_devices(void) +{ + struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL}; + union acpi_object *obj; + acpi_status status; + + status = wmi_query_block(WMID_GUID2, 1, &out); + if (ACPI_FAILURE(status)) + return 0; + + obj = (union acpi_object *) out.pointer; + if (obj && obj->type == ACPI_TYPE_BUFFER && + obj->buffer.length == sizeof(u32)) { + return *((u32 *) obj->buffer.pointer); + } else { + return 0; + } +} + +/* * Platform device */ static int __devinit acer_platform_probe(struct platform_device *device) @@ -1052,12 +1144,40 @@ error_sysfs: return retval; } +static void remove_debugfs(void) +{ + debugfs_remove(interface->debug.devices); + debugfs_remove(interface->debug.root); +} + +static int create_debugfs(void) +{ + interface->debug.root = debugfs_create_dir("acer-wmi", NULL); + if (!interface->debug.root) { + printk(ACER_ERR "Failed to create debugfs directory"); + return -ENOMEM; + } + + interface->debug.devices = debugfs_create_u32("devices", S_IRUGO, + interface->debug.root, + &interface->debug.wmid_devices); + if (!interface->debug.devices) + goto error_debugfs; + + return 0; + +error_debugfs: + remove_debugfs(); + return -ENOMEM; +} + static int __init acer_wmi_init(void) { int err; - printk(ACER_INFO "Acer Laptop ACPI-WMI Extras version %s\n", - ACER_WMI_VERSION); + printk(ACER_INFO "Acer Laptop ACPI-WMI Extras\n"); + + find_quirks(); /* * Detect which ACPI-WMI interface we're using. @@ -1092,8 +1212,6 @@ static int __init acer_wmi_init(void) if (wmi_has_guid(AMW0_GUID1)) AMW0_find_mailled(); - find_quirks(); - if (!interface) { printk(ACER_ERR "No or unsupported WMI interface, unable to " "load\n"); @@ -1111,6 +1229,13 @@ static int __init acer_wmi_init(void) if (err) return err; + if (wmi_has_guid(WMID_GUID2)) { + interface->debug.wmid_devices = get_wmid_devices(); + err = create_debugfs(); + if (err) + return err; + } + /* Override any initial settings with values from the commandline */ acer_commandline_init(); diff --git a/drivers/misc/compal-laptop.c b/drivers/misc/compal-laptop.c new file mode 100644 index 000000000000..344b790a6253 --- /dev/null +++ b/drivers/misc/compal-laptop.c @@ -0,0 +1,404 @@ +/*-*-linux-c-*-*/ + +/* + Copyright (C) 2008 Cezary Jackiewicz <cezary.jackiewicz (at) gmail.com> + + based on MSI driver + + Copyright (C) 2006 Lennart Poettering <mzxreary (at) 0pointer (dot) de> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + 02110-1301, USA. + */ + +/* + * comapl-laptop.c - Compal laptop support. + * + * This driver exports a few files in /sys/devices/platform/compal-laptop/: + * + * wlan - wlan subsystem state: contains 0 or 1 (rw) + * + * bluetooth - Bluetooth subsystem state: contains 0 or 1 (rw) + * + * raw - raw value taken from embedded controller register (ro) + * + * In addition to these platform device attributes the driver + * registers itself in the Linux backlight control subsystem and is + * available to userspace under /sys/class/backlight/compal-laptop/. + * + * This driver might work on other laptops produced by Compal. If you + * want to try it you can pass force=1 as argument to the module which + * will force it to load even when the DMI data doesn't identify the + * laptop as FL9x. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/acpi.h> +#include <linux/dmi.h> +#include <linux/backlight.h> +#include <linux/platform_device.h> +#include <linux/autoconf.h> + +#define COMPAL_DRIVER_VERSION "0.2.6" + +#define COMPAL_LCD_LEVEL_MAX 8 + +#define COMPAL_EC_COMMAND_WIRELESS 0xBB +#define COMPAL_EC_COMMAND_LCD_LEVEL 0xB9 + +#define KILLSWITCH_MASK 0x10 +#define WLAN_MASK 0x01 +#define BT_MASK 0x02 + +static int force; +module_param(force, bool, 0); +MODULE_PARM_DESC(force, "Force driver load, ignore DMI data"); + +/* Hardware access */ + +static int set_lcd_level(int level) +{ + if (level < 0 || level >= COMPAL_LCD_LEVEL_MAX) + return -EINVAL; + + ec_write(COMPAL_EC_COMMAND_LCD_LEVEL, level); + + return 0; +} + +static int get_lcd_level(void) +{ + u8 result; + + ec_read(COMPAL_EC_COMMAND_LCD_LEVEL, &result); + + return (int) result; +} + +static int set_wlan_state(int state) +{ + u8 result, value; + + ec_read(COMPAL_EC_COMMAND_WIRELESS, &result); + + if ((result & KILLSWITCH_MASK) == 0) + return -EINVAL; + else { + if (state) + value = (u8) (result | WLAN_MASK); + else + value = (u8) (result & ~WLAN_MASK); + ec_write(COMPAL_EC_COMMAND_WIRELESS, value); + } + + return 0; +} + +static int set_bluetooth_state(int state) +{ + u8 result, value; + + ec_read(COMPAL_EC_COMMAND_WIRELESS, &result); + + if ((result & KILLSWITCH_MASK) == 0) + return -EINVAL; + else { + if (state) + value = (u8) (result | BT_MASK); + else + value = (u8) (result & ~BT_MASK); + ec_write(COMPAL_EC_COMMAND_WIRELESS, value); + } + + return 0; +} + +static int get_wireless_state(int *wlan, int *bluetooth) +{ + u8 result; + + ec_read(COMPAL_EC_COMMAND_WIRELESS, &result); + + if (wlan) { + if ((result & KILLSWITCH_MASK) == 0) + *wlan = 0; + else + *wlan = result & WLAN_MASK; + } + + if (bluetooth) { + if ((result & KILLSWITCH_MASK) == 0) + *bluetooth = 0; + else + *bluetooth = (result & BT_MASK) >> 1; + } + + return 0; +} + +/* Backlight device stuff */ + +static int bl_get_brightness(struct backlight_device *b) +{ + return get_lcd_level(); +} + + +static int bl_update_status(struct backlight_device *b) +{ + return set_lcd_level(b->props.brightness); +} + +static struct backlight_ops compalbl_ops = { + .get_brightness = bl_get_brightness, + .update_status = bl_update_status, +}; + +static struct backlight_device *compalbl_device; + +/* Platform device */ + +static ssize_t show_wlan(struct device *dev, + struct device_attribute *attr, char *buf) +{ + int ret, enabled; + + ret = get_wireless_state(&enabled, NULL); + if (ret < 0) + return ret; + + return sprintf(buf, "%i\n", enabled); +} + +static ssize_t show_raw(struct device *dev, + struct device_attribute *attr, char *buf) +{ + u8 result; + + ec_read(COMPAL_EC_COMMAND_WIRELESS, &result); + + return sprintf(buf, "%i\n", result); +} + +static ssize_t show_bluetooth(struct device *dev, + struct device_attribute *attr, char *buf) +{ + int ret, enabled; + + ret = get_wireless_state(NULL, &enabled); + if (ret < 0) + return ret; + + return sprintf(buf, "%i\n", enabled); +} + +static ssize_t store_wlan_state(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + int state, ret; + + if (sscanf(buf, "%i", &state) != 1 || (state < 0 || state > 1)) + return -EINVAL; + + ret = set_wlan_state(state); + if (ret < 0) + return ret; + + return count; +} + +static ssize_t store_bluetooth_state(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + int state, ret; + + if (sscanf(buf, "%i", &state) != 1 || (state < 0 || state > 1)) + return -EINVAL; + + ret = set_bluetooth_state(state); + if (ret < 0) + return ret; + + return count; +} + +static DEVICE_ATTR(bluetooth, 0644, show_bluetooth, store_bluetooth_state); +static DEVICE_ATTR(wlan, 0644, show_wlan, store_wlan_state); +static DEVICE_ATTR(raw, 0444, show_raw, NULL); + +static struct attribute *compal_attributes[] = { + &dev_attr_bluetooth.attr, + &dev_attr_wlan.attr, + &dev_attr_raw.attr, + NULL +}; + +static struct attribute_group compal_attribute_group = { + .attrs = compal_attributes +}; + +static struct platform_driver compal_driver = { + .driver = { + .name = "compal-laptop", + .owner = THIS_MODULE, + } +}; + +static struct platform_device *compal_device; + +/* Initialization */ + +static int dmi_check_cb(const struct dmi_system_id *id) +{ + printk(KERN_INFO "compal-laptop: Identified laptop model '%s'.\n", + id->ident); + + return 0; +} + +static struct dmi_system_id __initdata compal_dmi_table[] = { + { + .ident = "FL90/IFL90", + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "IFL90"), + DMI_MATCH(DMI_BOARD_VERSION, "IFT00"), + }, + .callback = dmi_check_cb + }, + { + .ident = "FL90/IFL90", + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "IFL90"), + DMI_MATCH(DMI_BOARD_VERSION, "REFERENCE"), + }, + .callback = dmi_check_cb + }, + { + .ident = "FL91/IFL91", + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "IFL91"), + DMI_MATCH(DMI_BOARD_VERSION, "IFT00"), + }, + .callback = dmi_check_cb + }, + { + .ident = "FL92/JFL92", + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "JFL92"), + DMI_MATCH(DMI_BOARD_VERSION, "IFT00"), + }, + .callback = dmi_check_cb + }, + { + .ident = "FT00/IFT00", + .matches = { + DMI_MATCH(DMI_BOARD_NAME, "IFT00"), + DMI_MATCH(DMI_BOARD_VERSION, "IFT00"), + }, + .callback = dmi_check_cb + }, + { } +}; + +static int __init compal_init(void) +{ + int ret; + + if (acpi_disabled) + return -ENODEV; + + if (!force && !dmi_check_system(compal_dmi_table)) + return -ENODEV; + + /* Register backlight stuff */ + + compalbl_device = backlight_device_register("compal-laptop", NULL, NULL, + &compalbl_ops); + if (IS_ERR(compalbl_device)) + return PTR_ERR(compalbl_device); + + compalbl_device->props.max_brightness = COMPAL_LCD_LEVEL_MAX-1; + + ret = platform_driver_register(&compal_driver); + if (ret) + goto fail_backlight; + + /* Register platform stuff */ + + compal_device = platform_device_alloc("compal-laptop", -1); + if (!compal_device) { + ret = -ENOMEM; + goto fail_platform_driver; + } + + ret = platform_device_add(compal_device); + if (ret) + goto fail_platform_device1; + + ret = sysfs_create_group(&compal_device->dev.kobj, + &compal_attribute_group); + if (ret) + goto fail_platform_device2; + + printk(KERN_INFO "compal-laptop: driver "COMPAL_DRIVER_VERSION + " successfully loaded.\n"); + + return 0; + +fail_platform_device2: + + platform_device_del(compal_device); + +fail_platform_device1: + + platform_device_put(compal_device); + +fail_platform_driver: + + platform_driver_unregister(&compal_driver); + +fail_backlight: + + backlight_device_unregister(compalbl_device); + + return ret; +} + +static void __exit compal_cleanup(void) +{ + + sysfs_remove_group(&compal_device->dev.kobj, &compal_attribute_group); + platform_device_unregister(compal_device); + platform_driver_unregister(&compal_driver); + backlight_device_unregister(compalbl_device); + + printk(KERN_INFO "compal-laptop: driver unloaded.\n"); +} + +module_init(compal_init); +module_exit(compal_cleanup); + +MODULE_AUTHOR("Cezary Jackiewicz"); +MODULE_DESCRIPTION("Compal Laptop Support"); +MODULE_VERSION(COMPAL_DRIVER_VERSION); +MODULE_LICENSE("GPL"); + +MODULE_ALIAS("dmi:*:rnIFL90:rvrIFT00:*"); +MODULE_ALIAS("dmi:*:rnIFL90:rvrREFERENCE:*"); +MODULE_ALIAS("dmi:*:rnIFL91:rvrIFT00:*"); +MODULE_ALIAS("dmi:*:rnJFL92:rvrIFT00:*"); +MODULE_ALIAS("dmi:*:rnIFT00:rvrIFT00:*"); diff --git a/drivers/misc/eeepc-laptop.c b/drivers/misc/eeepc-laptop.c index 6d727609097f..9e8d79e7e9f4 100644 --- a/drivers/misc/eeepc-laptop.c +++ b/drivers/misc/eeepc-laptop.c @@ -87,7 +87,7 @@ enum { CM_ASL_LID }; -const char *cm_getv[] = { +static const char *cm_getv[] = { "WLDG", NULL, NULL, NULL, "CAMG", NULL, NULL, NULL, NULL, "PBLG", NULL, NULL, @@ -96,7 +96,7 @@ const char *cm_getv[] = { "CRDG", "LIDG" }; -const char *cm_setv[] = { +static const char *cm_setv[] = { "WLDS", NULL, NULL, NULL, "CAMS", NULL, NULL, NULL, "SDSP", "PBLS", "HDPS", NULL, diff --git a/drivers/misc/fujitsu-laptop.c b/drivers/misc/fujitsu-laptop.c index 6d14e8fe1537..7a1ef6c262de 100644 --- a/drivers/misc/fujitsu-laptop.c +++ b/drivers/misc/fujitsu-laptop.c @@ -1,12 +1,14 @@ /*-*-linux-c-*-*/ /* - Copyright (C) 2007 Jonathan Woithe <jwoithe@physics.adelaide.edu.au> + Copyright (C) 2007,2008 Jonathan Woithe <jwoithe@physics.adelaide.edu.au> + Copyright (C) 2008 Peter Gruber <nokos@gmx.net> Based on earlier work: Copyright (C) 2003 Shane Spencer <shane@bogomip.com> Adrian Yee <brewt-fujitsu@brewt.org> - Templated from msi-laptop.c which is copyright by its respective authors. + Templated from msi-laptop.c and thinkpad_acpi.c which is copyright + by its respective authors. 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 @@ -39,8 +41,17 @@ * registers itself in the Linux backlight control subsystem and is * available to userspace under /sys/class/backlight/fujitsu-laptop/. * - * This driver has been tested on a Fujitsu Lifebook S7020. It should - * work on most P-series and S-series Lifebooks, but YMMV. + * Hotkeys present on certain Fujitsu laptops (eg: the S6xxx series) are + * also supported by this driver. + * + * This driver has been tested on a Fujitsu Lifebook S6410 and S7020. It + * should work on most P-series and S-series Lifebooks, but YMMV. + * + * The module parameter use_alt_lcd_levels switches between different ACPI + * brightness controls which are used by different Fujitsu laptops. In most + * cases the correct method is automatically detected. "use_alt_lcd_levels=1" + * is applicable for a Fujitsu Lifebook S6410 if autodetection fails. + * */ #include <linux/module.h> @@ -49,30 +60,105 @@ #include <linux/acpi.h> #include <linux/dmi.h> #include <linux/backlight.h> +#include <linux/input.h> +#include <linux/kfifo.h> +#include <linux/video_output.h> #include <linux/platform_device.h> -#define FUJITSU_DRIVER_VERSION "0.3" +#define FUJITSU_DRIVER_VERSION "0.4.2" #define FUJITSU_LCD_N_LEVELS 8 #define ACPI_FUJITSU_CLASS "fujitsu" #define ACPI_FUJITSU_HID "FUJ02B1" -#define ACPI_FUJITSU_DRIVER_NAME "Fujitsu laptop FUJ02B1 ACPI extras driver" +#define ACPI_FUJITSU_DRIVER_NAME "Fujitsu laptop FUJ02B1 ACPI brightness driver" #define ACPI_FUJITSU_DEVICE_NAME "Fujitsu FUJ02B1" - +#define ACPI_FUJITSU_HOTKEY_HID "FUJ02E3" +#define ACPI_FUJITSU_HOTKEY_DRIVER_NAME "Fujitsu laptop FUJ02E3 ACPI hotkeys driver" +#define ACPI_FUJITSU_HOTKEY_DEVICE_NAME "Fujitsu FUJ02E3" + +#define ACPI_FUJITSU_NOTIFY_CODE1 0x80 + +#define ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS 0x86 +#define ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS 0x87 + +/* Hotkey details */ +#define LOCK_KEY 0x410 /* codes for the keys in the GIRB register */ +#define DISPLAY_KEY 0x411 /* keys are mapped to KEY_SCREENLOCK (the key with the key symbol) */ +#define ENERGY_KEY 0x412 /* KEY_MEDIA (the key with the laptop symbol, KEY_EMAIL (E key)) */ +#define REST_KEY 0x413 /* KEY_SUSPEND (R key) */ + +#define MAX_HOTKEY_RINGBUFFER_SIZE 100 +#define RINGBUFFERSIZE 40 + +/* Debugging */ +#define FUJLAPTOP_LOG ACPI_FUJITSU_HID ": " +#define FUJLAPTOP_ERR KERN_ERR FUJLAPTOP_LOG +#define FUJLAPTOP_NOTICE KERN_NOTICE FUJLAPTOP_LOG +#define FUJLAPTOP_INFO KERN_INFO FUJLAPTOP_LOG +#define FUJLAPTOP_DEBUG KERN_DEBUG FUJLAPTOP_LOG + +#define FUJLAPTOP_DBG_ALL 0xffff +#define FUJLAPTOP_DBG_ERROR 0x0001 +#define FUJLAPTOP_DBG_WARN 0x0002 +#define FUJLAPTOP_DBG_INFO 0x0004 +#define FUJLAPTOP_DBG_TRACE 0x0008 + +#define dbg_printk(a_dbg_level, format, arg...) \ + do { if (dbg_level & a_dbg_level) \ + printk(FUJLAPTOP_DEBUG "%s: " format, __func__ , ## arg); \ + } while (0) +#ifdef CONFIG_FUJITSU_LAPTOP_DEBUG +#define vdbg_printk(a_dbg_level, format, arg...) \ + dbg_printk(a_dbg_level, format, ## arg) +#else +#define vdbg_printk(a_dbg_level, format, arg...) +#endif + +/* Device controlling the backlight and associated keys */ struct fujitsu_t { acpi_handle acpi_handle; + struct acpi_device *dev; + struct input_dev *input; + char phys[32]; struct backlight_device *bl_device; struct platform_device *pf_device; - unsigned long fuj02b1_state; + unsigned int max_brightness; unsigned int brightness_changed; unsigned int brightness_level; }; static struct fujitsu_t *fujitsu; +static int use_alt_lcd_levels = -1; +static int disable_brightness_keys = -1; +static int disable_brightness_adjust = -1; + +/* Device used to access other hotkeys on the laptop */ +struct fujitsu_hotkey_t { + acpi_handle acpi_handle; + struct acpi_device *dev; + struct input_dev *input; + char phys[32]; + struct platform_device *pf_device; + struct kfifo *fifo; + spinlock_t fifo_lock; + + unsigned int irb; /* info about the pressed buttons */ +}; -/* Hardware access */ +static struct fujitsu_hotkey_t *fujitsu_hotkey; + +static void acpi_fujitsu_hotkey_notify(acpi_handle handle, u32 event, + void *data); + +#ifdef CONFIG_FUJITSU_LAPTOP_DEBUG +static u32 dbg_level = 0x03; +#endif + +static void acpi_fujitsu_notify(acpi_handle handle, u32 event, void *data); + +/* Hardware access for LCD brightness control */ static int set_lcd_level(int level) { @@ -81,7 +167,10 @@ static int set_lcd_level(int level) struct acpi_object_list arg_list = { 1, &arg0 }; acpi_handle handle = NULL; - if (level < 0 || level >= FUJITSU_LCD_N_LEVELS) + vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBLL [%d]\n", + level); + + if (level < 0 || level >= fujitsu->max_brightness) return -EINVAL; if (!fujitsu) @@ -89,7 +178,38 @@ static int set_lcd_level(int level) status = acpi_get_handle(fujitsu->acpi_handle, "SBLL", &handle); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "SBLL not present\n")); + vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBLL not present\n"); + return -ENODEV; + } + + arg0.integer.value = level; + + status = acpi_evaluate_object(handle, NULL, &arg_list, NULL); + if (ACPI_FAILURE(status)) + return -ENODEV; + + return 0; +} + +static int set_lcd_level_alt(int level) +{ + acpi_status status = AE_OK; + union acpi_object arg0 = { ACPI_TYPE_INTEGER }; + struct acpi_object_list arg_list = { 1, &arg0 }; + acpi_handle handle = NULL; + + vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBL2 [%d]\n", + level); + + if (level < 0 || level >= fujitsu->max_brightness) + return -EINVAL; + + if (!fujitsu) + return -EINVAL; + + status = acpi_get_handle(fujitsu->acpi_handle, "SBL2", &handle); + if (ACPI_FAILURE(status)) { + vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBL2 not present\n"); return -ENODEV; } @@ -107,13 +227,52 @@ static int get_lcd_level(void) unsigned long state = 0; acpi_status status = AE_OK; - // Get the Brightness + vdbg_printk(FUJLAPTOP_DBG_TRACE, "get lcd level via GBLL\n"); + status = acpi_evaluate_integer(fujitsu->acpi_handle, "GBLL", NULL, &state); if (status < 0) return status; - fujitsu->fuj02b1_state = state; + fujitsu->brightness_level = state & 0x0fffffff; + + if (state & 0x80000000) + fujitsu->brightness_changed = 1; + else + fujitsu->brightness_changed = 0; + + return fujitsu->brightness_level; +} + +static int get_max_brightness(void) +{ + unsigned long state = 0; + acpi_status status = AE_OK; + + vdbg_printk(FUJLAPTOP_DBG_TRACE, "get max lcd level via RBLL\n"); + + status = + acpi_evaluate_integer(fujitsu->acpi_handle, "RBLL", NULL, &state); + if (status < 0) + return status; + + fujitsu->max_brightness = state; + + return fujitsu->max_brightness; +} + +static int get_lcd_level_alt(void) +{ + unsigned long state = 0; + acpi_status status = AE_OK; + + vdbg_printk(FUJLAPTOP_DBG_TRACE, "get lcd level via GBLS\n"); + + status = + acpi_evaluate_integer(fujitsu->acpi_handle, "GBLS", NULL, &state); + if (status < 0) + return status; + fujitsu->brightness_level = state & 0x0fffffff; if (state & 0x80000000) @@ -128,12 +287,18 @@ static int get_lcd_level(void) static int bl_get_brightness(struct backlight_device *b) { - return get_lcd_level(); + if (use_alt_lcd_levels) + return get_lcd_level_alt(); + else + return get_lcd_level(); } static int bl_update_status(struct backlight_device *b) { - return set_lcd_level(b->props.brightness); + if (use_alt_lcd_levels) + return set_lcd_level_alt(b->props.brightness); + else + return set_lcd_level(b->props.brightness); } static struct backlight_ops fujitsubl_ops = { @@ -141,7 +306,35 @@ static struct backlight_ops fujitsubl_ops = { .update_status = bl_update_status, }; -/* Platform device */ +/* Platform LCD brightness device */ + +static ssize_t +show_max_brightness(struct device *dev, + struct device_attribute *attr, char *buf) +{ + + int ret; + + ret = get_max_brightness(); + if (ret < 0) + return ret; + + return sprintf(buf, "%i\n", ret); +} + +static ssize_t +show_brightness_changed(struct device *dev, + struct device_attribute *attr, char *buf) +{ + + int ret; + + ret = fujitsu->brightness_changed; + if (ret < 0) + return ret; + + return sprintf(buf, "%i\n", ret); +} static ssize_t show_lcd_level(struct device *dev, struct device_attribute *attr, char *buf) @@ -149,7 +342,10 @@ static ssize_t show_lcd_level(struct device *dev, int ret; - ret = get_lcd_level(); + if (use_alt_lcd_levels) + ret = get_lcd_level_alt(); + else + ret = get_lcd_level(); if (ret < 0) return ret; @@ -164,19 +360,61 @@ static ssize_t store_lcd_level(struct device *dev, int level, ret; if (sscanf(buf, "%i", &level) != 1 - || (level < 0 || level >= FUJITSU_LCD_N_LEVELS)) + || (level < 0 || level >= fujitsu->max_brightness)) return -EINVAL; - ret = set_lcd_level(level); + if (use_alt_lcd_levels) + ret = set_lcd_level_alt(level); + else + ret = set_lcd_level(level); + if (ret < 0) + return ret; + + if (use_alt_lcd_levels) + ret = get_lcd_level_alt(); + else + ret = get_lcd_level(); if (ret < 0) return ret; return count; } +/* Hardware access for hotkey device */ + +static int get_irb(void) +{ + unsigned long state = 0; + acpi_status status = AE_OK; + + vdbg_printk(FUJLAPTOP_DBG_TRACE, "Get irb\n"); + + status = + acpi_evaluate_integer(fujitsu_hotkey->acpi_handle, "GIRB", NULL, + &state); + if (status < 0) + return status; + + fujitsu_hotkey- |