diff --git a/Documentation/ABI/testing/sysfs-platform-ideapad-laptop b/Documentation/ABI/testing/sysfs-platform-ideapad-laptop index 814b01354c41..b31e782bd985 100644 --- a/Documentation/ABI/testing/sysfs-platform-ideapad-laptop +++ b/Documentation/ABI/testing/sysfs-platform-ideapad-laptop @@ -5,4 +5,15 @@ Contact: "Ike Panhc " Description: Control the power of camera module. 1 means on, 0 means off. +What: /sys/devices/platform/ideapad/fan_mode +Date: June 2012 +KernelVersion: 3.6 +Contact: "Maxim Mikityanskiy " +Description: + Change fan mode + There are four available modes: + * 0 -> Super Silent Mode + * 1 -> Standard Mode + * 2 -> Dust Cleaning + * 4 -> Efficient Thermal Dissipation Mode diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c index fc841e87b343..26ebffebe710 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c @@ -211,11 +211,6 @@ static int nouveau_dsm_power_state(enum vga_switcheroo_client_id id, return nouveau_dsm_set_discrete_state(nouveau_dsm_priv.dhandle, state); } -static int nouveau_dsm_init(void) -{ - return 0; -} - static int nouveau_dsm_get_client_id(struct pci_dev *pdev) { /* easy option one - intel vendor ID means Integrated */ @@ -232,7 +227,6 @@ static int nouveau_dsm_get_client_id(struct pci_dev *pdev) static struct vga_switcheroo_handler nouveau_dsm_handler = { .switchto = nouveau_dsm_switchto, .power_state = nouveau_dsm_power_state, - .init = nouveau_dsm_init, .get_client_id = nouveau_dsm_get_client_id, }; diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c index 5b3c7d135dc9..e25cf31faab2 100644 --- a/drivers/gpu/vga/vga_switcheroo.c +++ b/drivers/gpu/vga/vga_switcheroo.c @@ -70,27 +70,12 @@ static struct vgasr_priv vgasr_priv = { .clients = LIST_HEAD_INIT(vgasr_priv.clients), }; -int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler) +static bool vga_switcheroo_ready(void) { - mutex_lock(&vgasr_mutex); - if (vgasr_priv.handler) { - mutex_unlock(&vgasr_mutex); - return -EINVAL; - } - - vgasr_priv.handler = handler; - mutex_unlock(&vgasr_mutex); - return 0; + /* we're ready if we get two clients + handler */ + return !vgasr_priv.active && + vgasr_priv.registered_clients == 2 && vgasr_priv.handler; } -EXPORT_SYMBOL(vga_switcheroo_register_handler); - -void vga_switcheroo_unregister_handler(void) -{ - mutex_lock(&vgasr_mutex); - vgasr_priv.handler = NULL; - mutex_unlock(&vgasr_mutex); -} -EXPORT_SYMBOL(vga_switcheroo_unregister_handler); static void vga_switcheroo_enable(void) { @@ -98,7 +83,8 @@ static void vga_switcheroo_enable(void) struct vga_switcheroo_client *client; /* call the handler to init */ - vgasr_priv.handler->init(); + if (vgasr_priv.handler->init) + vgasr_priv.handler->init(); list_for_each_entry(client, &vgasr_priv.clients, list) { if (client->id != -1) @@ -113,6 +99,37 @@ static void vga_switcheroo_enable(void) vgasr_priv.active = true; } +int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler) +{ + mutex_lock(&vgasr_mutex); + if (vgasr_priv.handler) { + mutex_unlock(&vgasr_mutex); + return -EINVAL; + } + + vgasr_priv.handler = handler; + if (vga_switcheroo_ready()) { + printk(KERN_INFO "vga_switcheroo: enabled\n"); + vga_switcheroo_enable(); + } + mutex_unlock(&vgasr_mutex); + return 0; +} +EXPORT_SYMBOL(vga_switcheroo_register_handler); + +void vga_switcheroo_unregister_handler(void) +{ + mutex_lock(&vgasr_mutex); + vgasr_priv.handler = NULL; + if (vgasr_priv.active) { + pr_info("vga_switcheroo: disabled\n"); + vga_switcheroo_debugfs_fini(&vgasr_priv); + vgasr_priv.active = false; + } + mutex_unlock(&vgasr_mutex); +} +EXPORT_SYMBOL(vga_switcheroo_unregister_handler); + static int register_client(struct pci_dev *pdev, const struct vga_switcheroo_client_ops *ops, int id, bool active) @@ -134,9 +151,7 @@ static int register_client(struct pci_dev *pdev, if (client_is_vga(client)) vgasr_priv.registered_clients++; - /* if we get two clients + handler */ - if (!vgasr_priv.active && - vgasr_priv.registered_clients == 2 && vgasr_priv.handler) { + if (vga_switcheroo_ready()) { printk(KERN_INFO "vga_switcheroo: enabled\n"); vga_switcheroo_enable(); } diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index 2a262f5c5c0c..c86bae828c28 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -289,6 +289,7 @@ config IDEAPAD_LAPTOP tristate "Lenovo IdeaPad Laptop Extras" depends on ACPI depends on RFKILL && INPUT + depends on SERIO_I8042 select INPUT_SPARSEKMAP help This is a driver for the rfkill switches on Lenovo IdeaPad netbooks. @@ -758,8 +759,11 @@ config SAMSUNG_Q10 config APPLE_GMUX tristate "Apple Gmux Driver" + depends on ACPI depends on PNP - select BACKLIGHT_CLASS_DEVICE + depends on BACKLIGHT_CLASS_DEVICE + depends on BACKLIGHT_APPLE=n || BACKLIGHT_APPLE + depends on ACPI_VIDEO=n || ACPI_VIDEO ---help--- This driver provides support for the gmux device found on many Apple laptops, which controls the display mux for the hybrid diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c index 905fa01ac8df..dfb1a92ce949 100644 --- a/drivers/platform/x86/apple-gmux.c +++ b/drivers/platform/x86/apple-gmux.c @@ -2,6 +2,7 @@ * Gmux driver for Apple laptops * * Copyright (C) Canonical Ltd. + * Copyright (C) 2010-2012 Andreas Heider * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -18,16 +19,30 @@ #include #include #include +#include +#include +#include #include #include struct apple_gmux_data { unsigned long iostart; unsigned long iolen; + bool indexed; + struct mutex index_lock; struct backlight_device *bdev; + + /* switcheroo data */ + acpi_handle dhandle; + int gpe; + enum vga_switcheroo_client_id resume_client_id; + enum vga_switcheroo_state power_state; + struct completion powerchange_done; }; +static struct apple_gmux_data *apple_gmux_data; + /* * gmux port offsets. Many of these are not yet used, but may be in the * future, and it's useful to have them documented here anyhow. @@ -45,6 +60,9 @@ struct apple_gmux_data { #define GMUX_PORT_DISCRETE_POWER 0x50 #define GMUX_PORT_MAX_BRIGHTNESS 0x70 #define GMUX_PORT_BRIGHTNESS 0x74 +#define GMUX_PORT_VALUE 0xc2 +#define GMUX_PORT_READ 0xd0 +#define GMUX_PORT_WRITE 0xd4 #define GMUX_MIN_IO_LEN (GMUX_PORT_BRIGHTNESS + 4) @@ -59,22 +77,172 @@ struct apple_gmux_data { #define GMUX_BRIGHTNESS_MASK 0x00ffffff #define GMUX_MAX_BRIGHTNESS GMUX_BRIGHTNESS_MASK -static inline u8 gmux_read8(struct apple_gmux_data *gmux_data, int port) +static u8 gmux_pio_read8(struct apple_gmux_data *gmux_data, int port) { return inb(gmux_data->iostart + port); } -static inline void gmux_write8(struct apple_gmux_data *gmux_data, int port, +static void gmux_pio_write8(struct apple_gmux_data *gmux_data, int port, u8 val) { outb(val, gmux_data->iostart + port); } -static inline u32 gmux_read32(struct apple_gmux_data *gmux_data, int port) +static u32 gmux_pio_read32(struct apple_gmux_data *gmux_data, int port) { return inl(gmux_data->iostart + port); } +static void gmux_pio_write32(struct apple_gmux_data *gmux_data, int port, + u32 val) +{ + int i; + u8 tmpval; + + for (i = 0; i < 4; i++) { + tmpval = (val >> (i * 8)) & 0xff; + outb(tmpval, port + i); + } +} + +static int gmux_index_wait_ready(struct apple_gmux_data *gmux_data) +{ + int i = 200; + u8 gwr = inb(gmux_data->iostart + GMUX_PORT_WRITE); + + while (i && (gwr & 0x01)) { + inb(gmux_data->iostart + GMUX_PORT_READ); + gwr = inb(gmux_data->iostart + GMUX_PORT_WRITE); + udelay(100); + i--; + } + + return !!i; +} + +static int gmux_index_wait_complete(struct apple_gmux_data *gmux_data) +{ + int i = 200; + u8 gwr = inb(gmux_data->iostart + GMUX_PORT_WRITE); + + while (i && !(gwr & 0x01)) { + gwr = inb(gmux_data->iostart + GMUX_PORT_WRITE); + udelay(100); + i--; + } + + if (gwr & 0x01) + inb(gmux_data->iostart + GMUX_PORT_READ); + + return !!i; +} + +static u8 gmux_index_read8(struct apple_gmux_data *gmux_data, int port) +{ + u8 val; + + mutex_lock(&gmux_data->index_lock); + outb((port & 0xff), gmux_data->iostart + GMUX_PORT_READ); + gmux_index_wait_ready(gmux_data); + val = inb(gmux_data->iostart + GMUX_PORT_VALUE); + mutex_unlock(&gmux_data->index_lock); + + return val; +} + +static void gmux_index_write8(struct apple_gmux_data *gmux_data, int port, + u8 val) +{ + mutex_lock(&gmux_data->index_lock); + outb(val, gmux_data->iostart + GMUX_PORT_VALUE); + gmux_index_wait_ready(gmux_data); + outb(port & 0xff, gmux_data->iostart + GMUX_PORT_WRITE); + gmux_index_wait_complete(gmux_data); + mutex_unlock(&gmux_data->index_lock); +} + +static u32 gmux_index_read32(struct apple_gmux_data *gmux_data, int port) +{ + u32 val; + + mutex_lock(&gmux_data->index_lock); + outb((port & 0xff), gmux_data->iostart + GMUX_PORT_READ); + gmux_index_wait_ready(gmux_data); + val = inl(gmux_data->iostart + GMUX_PORT_VALUE); + mutex_unlock(&gmux_data->index_lock); + + return val; +} + +static void gmux_index_write32(struct apple_gmux_data *gmux_data, int port, + u32 val) +{ + int i; + u8 tmpval; + + mutex_lock(&gmux_data->index_lock); + + for (i = 0; i < 4; i++) { + tmpval = (val >> (i * 8)) & 0xff; + outb(tmpval, gmux_data->iostart + GMUX_PORT_VALUE + i); + } + + gmux_index_wait_ready(gmux_data); + outb(port & 0xff, gmux_data->iostart + GMUX_PORT_WRITE); + gmux_index_wait_complete(gmux_data); + mutex_unlock(&gmux_data->index_lock); +} + +static u8 gmux_read8(struct apple_gmux_data *gmux_data, int port) +{ + if (gmux_data->indexed) + return gmux_index_read8(gmux_data, port); + else + return gmux_pio_read8(gmux_data, port); +} + +static void gmux_write8(struct apple_gmux_data *gmux_data, int port, u8 val) +{ + if (gmux_data->indexed) + gmux_index_write8(gmux_data, port, val); + else + gmux_pio_write8(gmux_data, port, val); +} + +static u32 gmux_read32(struct apple_gmux_data *gmux_data, int port) +{ + if (gmux_data->indexed) + return gmux_index_read32(gmux_data, port); + else + return gmux_pio_read32(gmux_data, port); +} + +static void gmux_write32(struct apple_gmux_data *gmux_data, int port, + u32 val) +{ + if (gmux_data->indexed) + gmux_index_write32(gmux_data, port, val); + else + gmux_pio_write32(gmux_data, port, val); +} + +static bool gmux_is_indexed(struct apple_gmux_data *gmux_data) +{ + u16 val; + + outb(0xaa, gmux_data->iostart + 0xcc); + outb(0x55, gmux_data->iostart + 0xcd); + outb(0x00, gmux_data->iostart + 0xce); + + val = inb(gmux_data->iostart + 0xcc) | + (inb(gmux_data->iostart + 0xcd) << 8); + + if (val == 0x55aa) + return true; + + return false; +} + static int gmux_get_brightness(struct backlight_device *bd) { struct apple_gmux_data *gmux_data = bl_get_data(bd); @@ -90,16 +258,7 @@ static int gmux_update_status(struct backlight_device *bd) if (bd->props.state & BL_CORE_SUSPENDED) return 0; - /* - * Older gmux versions require writing out lower bytes first then - * setting the upper byte to 0 to flush the values. Newer versions - * accept a single u32 write, but the old method also works, so we - * just use the old method for all gmux versions. - */ - gmux_write8(gmux_data, GMUX_PORT_BRIGHTNESS, brightness); - gmux_write8(gmux_data, GMUX_PORT_BRIGHTNESS + 1, brightness >> 8); - gmux_write8(gmux_data, GMUX_PORT_BRIGHTNESS + 2, brightness >> 16); - gmux_write8(gmux_data, GMUX_PORT_BRIGHTNESS + 3, 0); + gmux_write32(gmux_data, GMUX_PORT_BRIGHTNESS, brightness); return 0; } @@ -110,6 +269,146 @@ static const struct backlight_ops gmux_bl_ops = { .update_status = gmux_update_status, }; +static int gmux_switchto(enum vga_switcheroo_client_id id) +{ + if (id == VGA_SWITCHEROO_IGD) { + gmux_write8(apple_gmux_data, GMUX_PORT_SWITCH_DDC, 1); + gmux_write8(apple_gmux_data, GMUX_PORT_SWITCH_DISPLAY, 2); + gmux_write8(apple_gmux_data, GMUX_PORT_SWITCH_EXTERNAL, 2); + } else { + gmux_write8(apple_gmux_data, GMUX_PORT_SWITCH_DDC, 2); + gmux_write8(apple_gmux_data, GMUX_PORT_SWITCH_DISPLAY, 3); + gmux_write8(apple_gmux_data, GMUX_PORT_SWITCH_EXTERNAL, 3); + } + + return 0; +} + +static int gmux_set_discrete_state(struct apple_gmux_data *gmux_data, + enum vga_switcheroo_state state) +{ + INIT_COMPLETION(gmux_data->powerchange_done); + + if (state == VGA_SWITCHEROO_ON) { + gmux_write8(gmux_data, GMUX_PORT_DISCRETE_POWER, 1); + gmux_write8(gmux_data, GMUX_PORT_DISCRETE_POWER, 3); + pr_debug("Discrete card powered up\n"); + } else { + gmux_write8(gmux_data, GMUX_PORT_DISCRETE_POWER, 1); + gmux_write8(gmux_data, GMUX_PORT_DISCRETE_POWER, 0); + pr_debug("Discrete card powered down\n"); + } + + gmux_data->power_state = state; + + if (gmux_data->gpe >= 0 && + !wait_for_completion_interruptible_timeout(&gmux_data->powerchange_done, + msecs_to_jiffies(200))) + pr_warn("Timeout waiting for gmux switch to complete\n"); + + return 0; +} + +static int gmux_set_power_state(enum vga_switcheroo_client_id id, + enum vga_switcheroo_state state) +{ + if (id == VGA_SWITCHEROO_IGD) + return 0; + + return gmux_set_discrete_state(apple_gmux_data, state); +} + +static int gmux_get_client_id(struct pci_dev *pdev) +{ + /* + * Early Macbook Pros with switchable graphics use nvidia + * integrated graphics. Hardcode that the 9400M is integrated. + */ + if (pdev->vendor == PCI_VENDOR_ID_INTEL) + return VGA_SWITCHEROO_IGD; + else if (pdev->vendor == PCI_VENDOR_ID_NVIDIA && + pdev->device == 0x0863) + return VGA_SWITCHEROO_IGD; + else + return VGA_SWITCHEROO_DIS; +} + +static enum vga_switcheroo_client_id +gmux_active_client(struct apple_gmux_data *gmux_data) +{ + if (gmux_read8(gmux_data, GMUX_PORT_SWITCH_DISPLAY) == 2) + return VGA_SWITCHEROO_IGD; + + return VGA_SWITCHEROO_DIS; +} + +static struct vga_switcheroo_handler gmux_handler = { + .switchto = gmux_switchto, + .power_state = gmux_set_power_state, + .get_client_id = gmux_get_client_id, +}; + +static inline void gmux_disable_interrupts(struct apple_gmux_data *gmux_data) +{ + gmux_write8(gmux_data, GMUX_PORT_INTERRUPT_ENABLE, + GMUX_INTERRUPT_DISABLE); +} + +static inline void gmux_enable_interrupts(struct apple_gmux_data *gmux_data) +{ + gmux_write8(gmux_data, GMUX_PORT_INTERRUPT_ENABLE, + GMUX_INTERRUPT_ENABLE); +} + +static inline u8 gmux_interrupt_get_status(struct apple_gmux_data *gmux_data) +{ + return gmux_read8(gmux_data, GMUX_PORT_INTERRUPT_STATUS); +} + +static void gmux_clear_interrupts(struct apple_gmux_data *gmux_data) +{ + u8 status; + + /* to clear interrupts write back current status */ + status = gmux_interrupt_get_status(gmux_data); + gmux_write8(gmux_data, GMUX_PORT_INTERRUPT_STATUS, status); +} + +static void gmux_notify_handler(acpi_handle device, u32 value, void *context) +{ + u8 status; + struct pnp_dev *pnp = (struct pnp_dev *)context; + struct apple_gmux_data *gmux_data = pnp_get_drvdata(pnp); + + status = gmux_interrupt_get_status(gmux_data); + gmux_disable_interrupts(gmux_data); + pr_debug("Notify handler called: status %d\n", status); + + gmux_clear_interrupts(gmux_data); + gmux_enable_interrupts(gmux_data); + + if (status & GMUX_INTERRUPT_STATUS_POWER) + complete(&gmux_data->powerchange_done); +} + +static int gmux_suspend(struct pnp_dev *pnp, pm_message_t state) +{ + struct apple_gmux_data *gmux_data = pnp_get_drvdata(pnp); + gmux_data->resume_client_id = gmux_active_client(gmux_data); + gmux_disable_interrupts(gmux_data); + return 0; +} + +static int gmux_resume(struct pnp_dev *pnp) +{ + struct apple_gmux_data *gmux_data = pnp_get_drvdata(pnp); + gmux_enable_interrupts(gmux_data); + gmux_switchto(gmux_data->resume_client_id); + if (gmux_data->power_state == VGA_SWITCHEROO_OFF) + gmux_set_discrete_state(gmux_data, gmux_data->power_state); + return 0; +} + static int __devinit gmux_probe(struct pnp_dev *pnp, const struct pnp_device_id *id) { @@ -119,6 +418,11 @@ static int __devinit gmux_probe(struct pnp_dev *pnp, struct backlight_device *bdev; u8 ver_major, ver_minor, ver_release; int ret = -ENXIO; + acpi_status status; + unsigned long long gpe; + + if (apple_gmux_data) + return -EBUSY; gmux_data = kzalloc(sizeof(*gmux_data), GFP_KERNEL); if (!gmux_data) @@ -147,22 +451,29 @@ static int __devinit gmux_probe(struct pnp_dev *pnp, } /* - * On some machines the gmux is in ACPI even thought the machine - * doesn't really have a gmux. Check for invalid version information - * to detect this. + * Invalid version information may indicate either that the gmux + * device isn't present or that it's a new one that uses indexed + * io */ + ver_major = gmux_read8(gmux_data, GMUX_PORT_VERSION_MAJOR); ver_minor = gmux_read8(gmux_data, GMUX_PORT_VERSION_MINOR); ver_release = gmux_read8(gmux_data, GMUX_PORT_VERSION_RELEASE); if (ver_major == 0xff && ver_minor == 0xff && ver_release == 0xff) { - pr_info("gmux device not present\n"); - ret = -ENODEV; - goto err_release; + if (gmux_is_indexed(gmux_data)) { + mutex_init(&gmux_data->index_lock); + gmux_data->indexed = true; + } else { + pr_info("gmux device not present\n"); + ret = -ENODEV; + goto err_release; + } + pr_info("Found indexed gmux\n"); + } else { + pr_info("Found gmux version %d.%d.%d\n", ver_major, ver_minor, + ver_release); } - pr_info("Found gmux version %d.%d.%d\n", ver_major, ver_minor, - ver_release); - memset(&props, 0, sizeof(props)); props.type = BACKLIGHT_PLATFORM; props.max_brightness = gmux_read32(gmux_data, GMUX_PORT_MAX_BRIGHTNESS); @@ -194,13 +505,67 @@ static int __devinit gmux_probe(struct pnp_dev *pnp, * Disable the other backlight choices. */ acpi_video_dmi_promote_vendor(); -#ifdef CONFIG_ACPI_VIDEO +#if defined (CONFIG_ACPI_VIDEO) || defined (CONFIG_ACPI_VIDEO_MODULE) acpi_video_unregister(); #endif apple_bl_unregister(); + gmux_data->power_state = VGA_SWITCHEROO_ON; + + gmux_data->dhandle = DEVICE_ACPI_HANDLE(&pnp->dev); + if (!gmux_data->dhandle) { + pr_err("Cannot find acpi handle for pnp device %s\n", + dev_name(&pnp->dev)); + ret = -ENODEV; + goto err_notify; + } + + status = acpi_evaluate_integer(gmux_data->dhandle, "GMGP", NULL, &gpe); + if (ACPI_SUCCESS(status)) { + gmux_data->gpe = (int)gpe; + + status = acpi_install_notify_handler(gmux_data->dhandle, + ACPI_DEVICE_NOTIFY, + &gmux_notify_handler, pnp); + if (ACPI_FAILURE(status)) { + pr_err("Install notify handler failed: %s\n", + acpi_format_exception(status)); + ret = -ENODEV; + goto err_notify; + } + + status = acpi_enable_gpe(NULL, gmux_data->gpe); + if (ACPI_FAILURE(status)) { + pr_err("Cannot enable gpe: %s\n", + acpi_format_exception(status)); + goto err_enable_gpe; + } + } else { + pr_warn("No GPE found for gmux\n"); + gmux_data->gpe = -1; + } + + if (vga_switcheroo_register_handler(&gmux_handler)) { + ret = -ENODEV; + goto err_register_handler; + } + + init_completion(&gmux_data->powerchange_done); + apple_gmux_data = gmux_data; + gmux_enable_interrupts(gmux_data); + return 0; +err_register_handler: + if (gmux_data->gpe >= 0) + acpi_disable_gpe(NULL, gmux_data->gpe); +err_enable_gpe: + if (gmux_data->gpe >= 0) + acpi_remove_notify_handler(gmux_data->dhandle, + ACPI_DEVICE_NOTIFY, + &gmux_notify_handler); +err_notify: + backlight_device_unregister(bdev); err_release: release_region(gmux_data->iostart, gmux_data->iolen); err_free: @@ -212,12 +577,23 @@ static void __devexit gmux_remove(struct pnp_dev *pnp) { struct apple_gmux_data *gmux_data = pnp_get_drvdata(pnp); + vga_switcheroo_unregister_handler(); + gmux_disable_interrupts(gmux_data); + if (gmux_data->gpe >= 0) { + acpi_disable_gpe(NULL, gmux_data->gpe); + acpi_remove_notify_handler(gmux_data->dhandle, + ACPI_DEVICE_NOTIFY, + &gmux_notify_handler); + } + backlight_device_unregister(gmux_data->bdev); + release_region(gmux_data->iostart, gmux_data->iolen); + apple_gmux_data = NULL; kfree(gmux_data); acpi_video_dmi_demote_vendor(); -#ifdef CONFIG_ACPI_VIDEO +#if defined (CONFIG_ACPI_VIDEO) || defined (CONFIG_ACPI_VIDEO_MODULE) acpi_video_register(); #endif apple_bl_register(); @@ -233,6 +609,8 @@ static struct pnp_driver gmux_pnp_driver = { .probe = gmux_probe, .remove = __devexit_p(gmux_remove), .id_table = gmux_device_ids, + .suspend = gmux_suspend, + .resume = gmux_resume }; static int __init apple_gmux_init(void) diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index c7a36f6b0580..2eb9fe8e8efd 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -101,6 +101,7 @@ MODULE_LICENSE("GPL"); #define ASUS_WMI_DEVID_WIRELESS_LED 0x00010002 #define ASUS_WMI_DEVID_CWAP 0x00010003 #define ASUS_WMI_DEVID_WLAN 0x00010011 +#define ASUS_WMI_DEVID_WLAN_LED 0x00010012 #define ASUS_WMI_DEVID_BLUETOOTH 0x00010013 #define ASUS_WMI_DEVID_GPS 0x00010015 #define ASUS_WMI_DEVID_WIMAX 0x00010017 @@ -731,8 +732,21 @@ static int asus_rfkill_set(void *data, bool blocked) { struct asus_rfkill *priv = data; u32 ctrl_param = !blocked; + u32 dev_id = priv->dev_id; - return asus_wmi_set_devstate(priv->dev_id, ctrl_param, NULL); + /* + * If the user bit is set, BIOS can't set and record the wlan status, + * it will report the value read from id ASUS_WMI_DEVID_WLAN_LED + * while we query the wlan status through WMI(ASUS_WMI_DEVID_WLAN). + * So, we have to record wlan status in id ASUS_WMI_DEVID_WLAN_LED + * while setting the wlan status through WMI. + * This is also the behavior that windows app will do. + */ + if ((dev_id == ASUS_WMI_DEVID_WLAN) && + priv->asus->driver->wlan_ctrl_by_user) + dev_id = ASUS_WMI_DEVID_WLAN_LED; + + return asus_wmi_set_devstate(dev_id, ctrl_param, NULL); } static void asus_rfkill_query(struct rfkill *rfkill, void *data) @@ -1653,6 +1667,7 @@ static int asus_wmi_add(struct platform_device *pdev) struct asus_wmi *asus; acpi_status status; int err; + u32 result; asus = kzalloc(sizeof(struct asus_wmi), GFP_KERNEL); if (!asus) @@ -1711,6 +1726,10 @@ static int asus_wmi_add(struct platform_device *pdev) if (err) goto fail_debugfs; + asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WLAN, &result); + if (result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT)) + asus->driver->wlan_ctrl_by_user = 1; + return 0; fail_debugfs: diff --git a/drivers/platform/x86/asus-wmi.h b/drivers/platform/x86/asus-wmi.h index 9c1da8b81bea..4c9bd38bb0a2 100644 --- a/drivers/platform/x86/asus-wmi.h +++ b/drivers/platform/x86/asus-wmi.h @@ -46,6 +46,7 @@ struct quirk_entry { struct asus_wmi_driver { int brightness; int panel_power; + int wlan_ctrl_by_user; const char *name; struct module *owner; diff --git a/drivers/platform/x86/classmate-laptop.c b/drivers/platform/x86/classmate-laptop.c index cd33add118ce..c87ff16873f9 100644 --- a/drivers/platform/x86/classmate-laptop.c +++ b/drivers/platform/x86/classmate-laptop.c @@ -725,8 +725,10 @@ static void cmpc_tablet_handler(struct acpi_device *dev, u32 event) struct input_dev *inputdev = dev_get_drvdata(&dev->dev); if (event == 0x81) { - if (ACPI_SUCCESS(cmpc_get_tablet(dev->handle, &val))) + if (ACPI_SUCCESS(cmpc_get_tablet(dev->handle, &val))) { input_report_switch(inputdev, SW_TABLET_MODE, !val); + input_sync(inputdev); + } } } @@ -739,8 +741,10 @@ static void cmpc_tablet_idev_init(struct input_dev *inputdev) set_bit(SW_TABLET_MODE, inputdev->swbit); acpi = to_acpi_device(inputdev->dev.parent); - if (ACPI_SUCCESS(cmpc_get_tablet(acpi->handle, &val))) + if (ACPI_SUCCESS(cmpc_get_tablet(acpi->handle, &val))) { input_report_switch(inputdev, SW_TABLET_MODE, !val); + input_sync(inputdev); + } } static int cmpc_tablet_add(struct acpi_device *acpi) @@ -760,8 +764,10 @@ static int cmpc_tablet_resume(struct device *dev) struct input_dev *inputdev = dev_get_drvdata(dev); unsigned long long val = 0; - if (ACPI_SUCCESS(cmpc_get_tablet(to_acpi_device(dev)->handle, &val))) + if (ACPI_SUCCESS(cmpc_get_tablet(to_acpi_device(dev)->handle, &val))) { input_report_switch(inputdev, SW_TABLET_MODE, !val); + input_sync(inputdev); + } return 0; } #endif diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index 4e96e8c0b60f..927c33af67ec 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -211,7 +211,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = { .ident = "Dell Inspiron 5420", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 5420"), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5420"), }, .driver_data = &quirk_dell_vostro_v130, }, @@ -220,7 +220,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = { .ident = "Dell Inspiron 5520", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 5520"), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5520"), }, .driver_data = &quirk_dell_vostro_v130, }, @@ -229,7 +229,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = { .ident = "Dell Inspiron 5720", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 5720"), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5720"), }, .driver_data = &quirk_dell_vostro_v130, }, @@ -238,7 +238,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = { .ident = "Dell Inspiron 7420", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 7420"), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7420"), }, .driver_data = &quirk_dell_vostro_v130, }, @@ -247,7 +247,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = { .ident = "Dell Inspiron 7520", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 7520"), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7520"), }, .driver_data = &quirk_dell_vostro_v130, }, @@ -256,7 +256,7 @@ static struct dmi_system_id __devinitdata dell_quirks[] = { .ident = "Dell Inspiron 7720", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), - DMI_MATCH(DMI_PRODUCT_NAME, "Isnpiron 7720"), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 7720"), }, .driver_data = &quirk_dell_vostro_v130, }, diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index 17f6dfd8dbfb..dae7abe1d711 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/drivers/platform/x86/ideapad-laptop.c @@ -36,6 +36,7 @@ #include #include #include +#include #define IDEAPAD_RFKILL_DEV_NUM (3) @@ -63,8 +64,11 @@ enum { VPCCMD_R_3G, VPCCMD_W_3G, VPCCMD_R_ODD, /* 0x21 */ - VPCCMD_R_RF = 0x23, + VPCCMD_W_FAN, + VPCCMD_R_RF, VPCCMD_W_RF, + VPCCMD_R_FAN = 0x2B, + VPCCMD_R_SPECIAL_BUTTONS = 0x31, VPCCMD_W_BL_POWER = 0x33, }; @@ -356,14 +360,46 @@ static ssize_t store_ideapad_cam(struct device *dev, return -EINVAL; ret = write_ec_cmd(ideapad_handle, VPCCMD_W_CAMERA, state); if (ret < 0) - return ret; + return -EIO; return count; } static DEVICE_ATTR(camera_power, 0644, show_ideapad_cam, store_ideapad_cam); +static ssize_t show_ideapad_fan(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + unsigned long result; + + if (read_ec_data(ideapad_handle, VPCCMD_R_FAN, &result)) + return sprintf(buf, "-1\n"); + return sprintf(buf, "%lu\n", result); +} + +static ssize_t store_ideapad_fan(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + int ret, state; + + if (!count) + return 0; + if (sscanf(buf, "%i", &state) != 1) + return -EINVAL; + if (state < 0 || state > 4 || state == 3) + return -EINVAL; + ret = write_ec_cmd(ideapad_handle, VPCCMD_W_FAN, state); + if (ret < 0) + return -EIO; + return count; +} + +static DEVICE_ATTR(fan_mode, 0644, show_ideapad_fan, store_ideapad_fan); + static struct attribute *ideapad_attributes[] = { &dev_attr_camera_power.attr, + &dev_attr_fan_mode.attr, NULL }; @@ -377,7 +413,10 @@ static umode_t ideapad_is_visible(struct kobject *kobj, if (attr == &dev_attr_camera_power.attr) supported = test_bit(CFG_CAMERA_BIT, &(priv->cfg)); - else + else if (attr == &dev_attr_fan_mode.attr) { + unsigned long value; + supported = !read_ec_data(ideapad_handle, VPCCMD_R_FAN, &value); + } else supported = true; return supported ? attr->mode : 0; @@ -518,9 +557,15 @@ static void ideapad_platform_exit(struct ideapad_private *priv) */ static const struct key_entry ideapad_keymap[] = { { KE_KEY, 6, { KEY_SWITCHVIDEOMODE } }, + { KE_KEY, 7, { KEY_CAMERA } }, + { KE_KEY, 11, { KEY_F16 } }, { KE_KEY, 13, { KEY_WLAN } }, { KE_KEY, 16, { KEY_PROG1 } }, { KE_KEY, 17, { KEY_PROG2 } }, + { KE_KEY, 64, { KEY_PROG3 } }, + { KE_KEY, 65, { KEY_PROG4 } }, + { KE_KEY, 66, { KEY_TOUCHPAD_OFF } }, + { KE_KEY, 67, { KEY_TOUCHPAD_ON } }, { KE_END, 0 }, }; @@ -587,6 +632,28 @@ static void ideapad_input_novokey(struct ideapad_private *priv) ideapad_input_report(priv, 16); } +static void ideapad_check_special_buttons(struct ideapad_private *priv) +{ + unsigned long bit, value; + + read_ec_data(ideapad_handle, VPCCMD_R_SPECIAL_BUTTONS, &value); + + for (bit = 0; bit < 16; bit++) { + if (test_bit(bit, &value)) { + switch (bit) { + case 6: + /* Thermal Management button */ + ideapad_input_report(priv, 65); + break; + case 1: + /* OneKey Theater button */ + ideapad_input_report(priv, 64); + break; + } + } + } +} + /* * backlight */ @@ -691,6 +758,24 @@ static const struct acpi_device_id ideapad_device_ids[] = { }; MODULE_DEVICE_TABLE(acpi, ideapad_device_ids); +static void ideapad_sync_touchpad_state(struct acpi_device *adevice) +{ + struct ideapad_private *priv = dev_get_drvdata(&adevice->dev); + unsigned long value; + + /* Without reading from EC touchpad LED doesn't switch state */ + if (!read_ec_data(adevice->handle, VPCCMD_R_TOUCHPAD, &value)) { + /* Some IdeaPads don't really turn off touchpad - they only + * switch the LED state. We (de)activate KBC AUX port to turn + * touchpad off and on. We send KEY_TOUCHPAD_OFF and + * KEY_TOUCHPAD_ON to not to get out of sync with LED */ + unsigned char param; + i8042_command(¶m, value ? I8042_CMD_AUX_ENABLE : + I8042_CMD_AUX_DISABLE); + ideapad_input_report(priv, value ? 67 : 66); + } +} + static int __devinit ideapad_acpi_add(struct acpi_device *adevice) { int ret, i; @@ -727,6 +812,7 @@ static int __devinit ideapad_acpi_add(struct acpi_device *adevice) priv->rfk[i] = NULL; } ideapad_sync_rfk_state(priv); + ideapad_sync_touchpad_state(adevice); if (!acpi_video_backlight_support()) { ret = ideapad_backlight_init(priv); @@ -785,9 +871,14 @@ static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event) ideapad_sync_rfk_state(priv); break; case 13: + case 11: + case 7: case 6: ideapad_input_report(priv, vpc_bit); break; + case 5: + ideapad_sync_touchpad_state(adevice); + break; case 4: ideapad_backlight_notify_brightness(priv); break; @@ -797,6 +888,9 @@ static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event) case 2: ideapad_backlight_notify_power(priv); break; + case 0: + ideapad_check_special_buttons(priv); + break; default: pr_info("Unknown event: %lu\n", vpc_bit); } @@ -804,6 +898,15 @@ static void ideapad_acpi_notify(struct acpi_device *adevice, u32 event) } } +static int ideapad_acpi_resume(struct device *device) +{ + ideapad_sync_rfk_state(ideapad_priv); + ideapad_sync_touchpad_state(to_acpi_device(device)); + return 0; +} + +static SIMPLE_DEV_PM_OPS(ideapad_pm, NULL, ideapad_acpi_resume); + static struct acpi_driver ideapad_acpi_driver = { .name = "ideapad_acpi", .class = "IdeaPad", @@ -811,6 +914,7 @@ static struct acpi_driver ideapad_acpi_driver = { .ops.add = ideapad_acpi_add, .ops.remove = ideapad_acpi_remove, .ops.notify = ideapad_acpi_notify, + .drv.pm = &ideapad_pm, .owner = THIS_MODULE, }; diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index f28f36ccdcf4..80e377949314 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -8664,6 +8664,13 @@ static int __must_check __init get_thinkpad_model_data( tp->model_str = kstrdup(s, GFP_KERNEL); if (!tp->model_str) return -ENOMEM; + } else { + s = dmi_get_system_info(DMI_BIOS_VENDOR); + if (s && !(strnicmp(s, "Lenovo", 6))) { + tp->model_str = kstrdup(s, GFP_KERNEL); + if (!tp->model_str) + return -ENOMEM; + } } s = dmi_get_system_info(DMI_PRODUCT_NAME);