diff options
Diffstat (limited to 'drivers/platform/x86/ideapad-laptop.c')
| -rw-r--r-- | drivers/platform/x86/ideapad-laptop.c | 1253 |
1 files changed, 0 insertions, 1253 deletions
diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c deleted file mode 100644 index 603fc6050971..000000000000 --- a/drivers/platform/x86/ideapad-laptop.c +++ /dev/null @@ -1,1253 +0,0 @@ -/* - * ideapad-laptop.c - Lenovo IdeaPad ACPI Extras - * - * Copyright © 2010 Intel Corporation - * Copyright © 2010 David Woodhouse <dwmw2@infradead.org> - * - * 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. - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/acpi.h> -#include <linux/rfkill.h> -#include <linux/platform_device.h> -#include <linux/input.h> -#include <linux/input/sparse-keymap.h> -#include <linux/backlight.h> -#include <linux/fb.h> -#include <linux/debugfs.h> -#include <linux/seq_file.h> -#include <linux/i8042.h> -#include <linux/dmi.h> -#include <linux/device.h> -#include <acpi/video.h> - -#define IDEAPAD_RFKILL_DEV_NUM (3) - -#define CFG_BT_BIT (16) -#define CFG_3G_BIT (17) -#define CFG_WIFI_BIT (18) -#define CFG_CAMERA_BIT (19) - -#if IS_ENABLED(CONFIG_ACPI_WMI) -static const char *const ideapad_wmi_fnesc_events[] = { - "26CAB2E5-5CF1-46AE-AAC3-4A12B6BA50E6", /* Yoga 3 */ - "56322276-8493-4CE8-A783-98C991274F5E", /* Yoga 700 */ -}; -#endif - -enum { - VPCCMD_R_VPC1 = 0x10, - VPCCMD_R_BL_MAX, - VPCCMD_R_BL, - VPCCMD_W_BL, - VPCCMD_R_WIFI, - VPCCMD_W_WIFI, - VPCCMD_R_BT, - VPCCMD_W_BT, - VPCCMD_R_BL_POWER, - VPCCMD_R_NOVO, - VPCCMD_R_VPC2, - VPCCMD_R_TOUCHPAD, - VPCCMD_W_TOUCHPAD, - VPCCMD_R_CAMERA, - VPCCMD_W_CAMERA, - VPCCMD_R_3G, - VPCCMD_W_3G, - VPCCMD_R_ODD, /* 0x21 */ - VPCCMD_W_FAN, - VPCCMD_R_RF, - VPCCMD_W_RF, - VPCCMD_R_FAN = 0x2B, - VPCCMD_R_SPECIAL_BUTTONS = 0x31, - VPCCMD_W_BL_POWER = 0x33, -}; - -struct ideapad_rfk_priv { - int dev; - struct ideapad_private *priv; -}; - -struct ideapad_private { - struct acpi_device *adev; - struct rfkill *rfk[IDEAPAD_RFKILL_DEV_NUM]; - struct ideapad_rfk_priv rfk_priv[IDEAPAD_RFKILL_DEV_NUM]; - struct platform_device *platform_device; - struct input_dev *inputdev; - struct backlight_device *blightdev; - struct dentry *debug; - unsigned long cfg; - bool has_hw_rfkill_switch; - const char *fnesc_guid; -}; - -static bool no_bt_rfkill; -module_param(no_bt_rfkill, bool, 0444); -MODULE_PARM_DESC(no_bt_rfkill, "No rfkill for bluetooth."); - -/* - * ACPI Helpers - */ -#define IDEAPAD_EC_TIMEOUT (100) /* in ms */ - -static int read_method_int(acpi_handle handle, const char *method, int *val) -{ - acpi_status status; - unsigned long long result; - - status = acpi_evaluate_integer(handle, (char *)method, NULL, &result); - if (ACPI_FAILURE(status)) { - *val = -1; - return -1; - } else { - *val = result; - return 0; - } -} - -static int method_vpcr(acpi_handle handle, int cmd, int *ret) -{ - acpi_status status; - unsigned long long result; - struct acpi_object_list params; - union acpi_object in_obj; - - params.count = 1; - params.pointer = &in_obj; - in_obj.type = ACPI_TYPE_INTEGER; - in_obj.integer.value = cmd; - - status = acpi_evaluate_integer(handle, "VPCR", ¶ms, &result); - - if (ACPI_FAILURE(status)) { - *ret = -1; - return -1; - } else { - *ret = result; - return 0; - } -} - -static int method_vpcw(acpi_handle handle, int cmd, int data) -{ - struct acpi_object_list params; - union acpi_object in_obj[2]; - acpi_status status; - - params.count = 2; - params.pointer = in_obj; - in_obj[0].type = ACPI_TYPE_INTEGER; - in_obj[0].integer.value = cmd; - in_obj[1].type = ACPI_TYPE_INTEGER; - in_obj[1].integer.value = data; - - status = acpi_evaluate_object(handle, "VPCW", ¶ms, NULL); - if (status != AE_OK) - return -1; - return 0; -} - -static int read_ec_data(acpi_handle handle, int cmd, unsigned long *data) -{ - int val; - unsigned long int end_jiffies; - - if (method_vpcw(handle, 1, cmd)) - return -1; - - for (end_jiffies = jiffies+(HZ)*IDEAPAD_EC_TIMEOUT/1000+1; - time_before(jiffies, end_jiffies);) { - schedule(); - if (method_vpcr(handle, 1, &val)) - return -1; - if (val == 0) { - if (method_vpcr(handle, 0, &val)) - return -1; - *data = val; - return 0; - } - } - pr_err("timeout in read_ec_cmd\n"); - return -1; -} - -static int write_ec_cmd(acpi_handle handle, int cmd, unsigned long data) -{ - int val; - unsigned long int end_jiffies; - - if (method_vpcw(handle, 0, data)) - return -1; - if (method_vpcw(handle, 1, cmd)) - return -1; - - for (end_jiffies = jiffies+(HZ)*IDEAPAD_EC_TIMEOUT/1000+1; - time_before(jiffies, end_jiffies);) { - schedule(); - if (method_vpcr(handle, 1, &val)) - return -1; - if (val == 0) - return 0; - } - pr_err("timeout in write_ec_cmd\n"); - return -1; -} - -/* - * debugfs - */ -static int debugfs_status_show(struct seq_file *s, void *data) -{ - struct ideapad_private *priv = s->private; - unsigned long value; - - if (!priv) - return -EINVAL; - - if (!read_ec_data(priv->adev->handle, VPCCMD_R_BL_MAX, &value)) - seq_printf(s, "Backlight max:\t%lu\n", value); - if (!read_ec_data(priv->adev->handle, VPCCMD_R_BL, &value)) - seq_printf(s, "Backlight now:\t%lu\n", value); - if (!read_ec_data(priv->adev->handle, VPCCMD_R_BL_POWER, &value)) - seq_printf(s, "BL power value:\t%s\n", value ? "On" : "Off"); - seq_printf(s, "=====================\n"); - - if (!read_ec_data(priv->adev->handle, VPCCMD_R_RF, &value)) - seq_printf(s, "Radio status:\t%s(%lu)\n", - value ? "On" : "Off", value); - if (!read_ec_data(priv->adev->handle, VPCCMD_R_WIFI, &value)) - seq_printf(s, "Wifi status:\t%s(%lu)\n", - value ? "On" : "Off", value); - if (!read_ec_data(priv->adev->handle, VPCCMD_R_BT, &value)) - seq_printf(s, "BT status:\t%s(%lu)\n", - value ? "On" : "Off", value); - if (!read_ec_data(priv->adev->handle, VPCCMD_R_3G, &value)) - seq_printf(s, "3G status:\t%s(%lu)\n", - value ? "On" : "Off", value); - seq_printf(s, "=====================\n"); - - if (!read_ec_data(priv->adev->handle, VPCCMD_R_TOUCHPAD, &value)) - seq_printf(s, "Touchpad status:%s(%lu)\n", - value ? "On" : "Off", value); - if (!read_ec_data(priv->adev->handle, VPCCMD_R_CAMERA, &value)) - seq_printf(s, "Camera status:\t%s(%lu)\n", - value ? "On" : "Off", value); - - return 0; -} - -static int debugfs_status_open(struct inode *inode, struct file *file) -{ - return single_open(file, debugfs_status_show, inode->i_private); -} - -static const struct file_operations debugfs_status_fops = { - .owner = THIS_MODULE, - .open = debugfs_status_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int debugfs_cfg_show(struct seq_file *s, void *data) -{ - struct ideapad_private *priv = s->private; - - if (!priv) { - seq_printf(s, "cfg: N/A\n"); - } else { - seq_printf(s, "cfg: 0x%.8lX\n\nCapability: ", - priv->cfg); - if (test_bit(CFG_BT_BIT, &priv->cfg)) - seq_printf(s, "Bluetooth "); - if (test_bit(CFG_3G_BIT, &priv->cfg)) - seq_printf(s, "3G "); - if (test_bit(CFG_WIFI_BIT, &priv->cfg)) - seq_printf(s, "Wireless "); - if (test_bit(CFG_CAMERA_BIT, &priv->cfg)) - seq_printf(s, "Camera "); - seq_printf(s, "\nGraphic: "); - switch ((priv->cfg)&0x700) { - case 0x100: - seq_printf(s, "Intel"); - break; - case 0x200: - seq_printf(s, "ATI"); - break; - case 0x300: - seq_printf(s, "Nvidia"); - break; - case 0x400: - seq_printf(s, "Intel and ATI"); - break; - case 0x500: - seq_printf(s, "Intel and Nvidia"); - break; - } - seq_printf(s, "\n"); - } - return 0; -} - -static int debugfs_cfg_open(struct inode *inode, struct file *file) -{ - return single_open(file, debugfs_cfg_show, inode->i_private); -} - -static const struct file_operations debugfs_cfg_fops = { - .owner = THIS_MODULE, - .open = debugfs_cfg_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int ideapad_debugfs_init(struct ideapad_private *priv) -{ - struct dentry *node; - - priv->debug = debugfs_create_dir("ideapad", NULL); - if (priv->debug == NULL) { - pr_err("failed to create debugfs directory"); - goto errout; - } - - node = debugfs_create_file("cfg", S_IRUGO, priv->debug, priv, - &debugfs_cfg_fops); - if (!node) { - pr_err("failed to create cfg in debugfs"); - goto errout; - } - - node = debugfs_create_file("status", S_IRUGO, priv->debug, priv, - &debugfs_status_fops); - if (!node) { - pr_err("failed to create status in debugfs"); - goto errout; - } - - return 0; - -errout: - return -ENOMEM; -} - -static void ideapad_debugfs_exit(struct ideapad_private *priv) -{ - debugfs_remove_recursive(priv->debug); - priv->debug = NULL; -} - -/* - * sysfs - */ -static ssize_t show_ideapad_cam(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - unsigned long result; - struct ideapad_private *priv = dev_get_drvdata(dev); - - if (read_ec_data(priv->adev->handle, VPCCMD_R_CAMERA, &result)) - return sprintf(buf, "-1\n"); - return sprintf(buf, "%lu\n", result); -} - -static ssize_t store_ideapad_cam(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - int ret, state; - struct ideapad_private *priv = dev_get_drvdata(dev); - - if (!count) - return 0; - if (sscanf(buf, "%i", &state) != 1) - return -EINVAL; - ret = write_ec_cmd(priv->adev->handle, VPCCMD_W_CAMERA, state); - if (ret < 0) - 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; - struct ideapad_private *priv = dev_get_drvdata(dev); - - if (read_ec_data(priv->adev->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; - struct ideapad_private *priv = dev_get_drvdata(dev); - - 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(priv->adev->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 ssize_t touchpad_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct ideapad_private *priv = dev_get_drvdata(dev); - unsigned long result; - - if (read_ec_data(priv->adev->handle, VPCCMD_R_TOUCHPAD, &result)) - return sprintf(buf, "-1\n"); - return sprintf(buf, "%lu\n", result); -} - -/* Switch to RO for now: It might be revisited in the future */ -static ssize_t __maybe_unused touchpad_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct ideapad_private *priv = dev_get_drvdata(dev); - bool state; - int ret; - - ret = kstrtobool(buf, &state); - if (ret) - return ret; - - ret = write_ec_cmd(priv->adev->handle, VPCCMD_W_TOUCHPAD, state); - if (ret < 0) - return -EIO; - return count; -} - -static DEVICE_ATTR_RO(touchpad); - -static struct attribute *ideapad_attributes[] = { - &dev_attr_camera_power.attr, - &dev_attr_fan_mode.attr, - &dev_attr_touchpad.attr, - NULL -}; - -static umode_t ideapad_is_visible(struct kobject *kobj, - struct attribute *attr, - int idx) -{ - struct device *dev = container_of(kobj, struct device, kobj); - struct ideapad_private *priv = dev_get_drvdata(dev); - bool supported; - - if (attr == &dev_attr_camera_power.attr) - supported = test_bit(CFG_CAMERA_BIT, &(priv->cfg)); - else if (attr == &dev_attr_fan_mode.attr) { - unsigned long value; - supported = !read_ec_data(priv->adev->handle, VPCCMD_R_FAN, - &value); - } else - supported = true; - - return supported ? attr->mode : 0; -} - -static const struct attribute_group ideapad_attribute_group = { - .is_visible = ideapad_is_visible, - .attrs = ideapad_attributes -}; - -/* - * Rfkill - */ -struct ideapad_rfk_data { - char *name; - int cfgbit; - int opcode; - int type; -}; - -static const struct ideapad_rfk_data ideapad_rfk_data[] = { - { "ideapad_wlan", CFG_WIFI_BIT, VPCCMD_W_WIFI, RFKILL_TYPE_WLAN }, - { "ideapad_bluetooth", CFG_BT_BIT, VPCCMD_W_BT, RFKILL_TYPE_BLUETOOTH }, - { "ideapad_3g", CFG_3G_BIT, VPCCMD_W_3G, RFKILL_TYPE_WWAN }, -}; - -static int ideapad_rfk_set(void *data, bool blocked) -{ - struct ideapad_rfk_priv *priv = data; - int opcode = ideapad_rfk_data[priv->dev].opcode; - - return write_ec_cmd(priv->priv->adev->handle, opcode, !blocked); -} - -static const struct rfkill_ops ideapad_rfk_ops = { - .set_block = ideapad_rfk_set, -}; - -static void ideapad_sync_rfk_state(struct ideapad_private *priv) -{ - unsigned long hw_blocked = 0; - int i; - - if (priv->has_hw_rfkill_switch) { - if (read_ec_data(priv->adev->handle, VPCCMD_R_RF, &hw_blocked)) - return; - hw_blocked = !hw_blocked; - } - - for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) - if (priv->rfk[i]) - rfkill_set_hw_state(priv->rfk[i], hw_blocked); -} - -static int ideapad_register_rfkill(struct ideapad_private *priv, int dev) -{ - int ret; - unsigned long sw_blocked; - - if (no_bt_rfkill && - (ideapad_rfk_data[dev].type == RFKILL_TYPE_BLUETOOTH)) { - /* Force to enable bluetooth when no_bt_rfkill=1 */ - write_ec_cmd(priv->adev->handle, - ideapad_rfk_data[dev].opcode, 1); - return 0; - } - priv->rfk_priv[dev].dev = dev; - priv->rfk_priv[dev].priv = priv; - - priv->rfk[dev] = rfkill_alloc(ideapad_rfk_data[dev].name, - &priv->platform_device->dev, - ideapad_rfk_data[dev].type, - &ideapad_rfk_ops, - &priv->rfk_priv[dev]); - if (!priv->rfk[dev]) - return -ENOMEM; - - if (read_ec_data(priv->adev->handle, ideapad_rfk_data[dev].opcode-1, - &sw_blocked)) { - rfkill_init_sw_state(priv->rfk[dev], 0); - } else { - sw_blocked = !sw_blocked; - rfkill_init_sw_state(priv->rfk[dev], sw_blocked); - } - - ret = rfkill_register(priv->rfk[dev]); - if (ret) { - rfkill_destroy(priv->rfk[dev]); - return ret; - } - return 0; -} - -static void ideapad_unregister_rfkill(struct ideapad_private *priv, int dev) -{ - if (!priv->rfk[dev]) - return; - - rfkill_unregister(priv->rfk[dev]); - rfkill_destroy(priv->rfk[dev]); -} - -/* - * Platform device - */ -static int ideapad_sysfs_init(struct ideapad_private *priv) -{ - return sysfs_create_group(&priv->platform_device->dev.kobj, - &ideapad_attribute_group); -} - -static void ideapad_sysfs_exit(struct ideapad_private *priv) -{ - sysfs_remove_group(&priv->platform_device->dev.kobj, - &ideapad_attribute_group); -} - -/* - * input device - */ -static const struct key_entry ideapad_keymap[] = { - { KE_KEY, 6, { KEY_SWITCHVIDEOMODE } }, - { KE_KEY, 7, { KEY_CAMERA } }, - { KE_KEY, 8, { KEY_MICMUTE } }, - { 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_KEY, 128, { KEY_ESC } }, - - { KE_END, 0 }, -}; - -static int ideapad_input_init(struct ideapad_private *priv) -{ - struct input_dev *inputdev; - int error; - - inputdev = input_allocate_device(); - if (!inputdev) - return -ENOMEM; - - inputdev->name = "Ideapad extra buttons"; - inputdev->phys = "ideapad/input0"; - inputdev->id.bustype = BUS_HOST; - inputdev->dev.parent = &priv->platform_device->dev; - - error = sparse_keymap_setup(inputdev, ideapad_keymap, NULL); - if (error) { - pr_err("Unable to setup input device keymap\n"); - goto err_free_dev; - } - - error = input_register_device(inputdev); - if (error) { - pr_err("Unable to register input device\n"); - goto err_free_dev; - } - - priv->inputdev = inputdev; - return 0; - -err_free_dev: - input_free_device(inputdev); - return error; -} - -static void ideapad_input_exit(struct ideapad_private *priv) -{ - input_unregister_device(priv->inputdev); - priv->inputdev = NULL; -} - -static void ideapad_input_report(struct ideapad_private *priv, - unsigned long scancode) -{ - sparse_keymap_report_event(priv->inputdev, scancode, 1, true); -} - -static void ideapad_input_novokey(struct ideapad_private *priv) -{ - unsigned long long_pressed; - - if (read_ec_data(priv->adev->handle, VPCCMD_R_NOVO, &long_pressed)) - return; - if (long_pressed) - ideapad_input_report(priv, 17); - else - ideapad_input_report(priv, 16); -} - -static void ideapad_check_special_buttons(struct ideapad_private *priv) -{ - unsigned long bit, value; - - read_ec_data(priv->adev->handle, VPCCMD_R_SPECIAL_BUTTONS, &value); - - for (bit = 0; bit < 16; bit++) { - if (test_bit(bit, &value)) { - switch (bit) { - case 0: /* Z580 */ - case 6: /* Z570 */ - /* Thermal Management button */ - ideapad_input_report(priv, 65); - break; - case 1: - /* OneKey Theater button */ - ideapad_input_report(priv, 64); - break; - default: - pr_info("Unknown special button: %lu\n", bit); - break; - } - } - } -} - -/* - * backlight - */ -static int ideapad_backlight_get_brightness(struct backlight_device *blightdev) -{ - struct ideapad_private *priv = bl_get_data(blightdev); - unsigned long now; - - if (!priv) - return -EINVAL; - - if (read_ec_data(priv->adev->handle, VPCCMD_R_BL, &now)) - return -EIO; - return now; -} - -static int ideapad_backlight_update_status(struct backlight_device *blightdev) -{ - struct ideapad_private *priv = bl_get_data(blightdev); - - if (!priv) - return -EINVAL; - - if (write_ec_cmd(priv->adev->handle, VPCCMD_W_BL, - blightdev->props.brightness)) - return -EIO; - if (write_ec_cmd(priv->adev->handle, VPCCMD_W_BL_POWER, - blightdev->props.power == FB_BLANK_POWERDOWN ? 0 : 1)) - return -EIO; - - return 0; -} - -static const struct backlight_ops ideapad_backlight_ops = { - .get_brightness = ideapad_backlight_get_brightness, - .update_status = ideapad_backlight_update_status, -}; - -static int ideapad_backlight_init(struct ideapad_private *priv) -{ - struct backlight_device *blightdev; - struct backlight_properties props; - unsigned long max, now, power; - - if (read_ec_data(priv->adev->handle, VPCCMD_R_BL_MAX, &max)) - return -EIO; - if (read_ec_data(priv->adev->handle, VPCCMD_R_BL, &now)) - return -EIO; - if (read_ec_data(priv->adev->handle, VPCCMD_R_BL_POWER, &power)) - return -EIO; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.max_brightness = max; - props.type = BACKLIGHT_PLATFORM; - blightdev = backlight_device_register("ideapad", - &priv->platform_device->dev, - priv, - &ideapad_backlight_ops, - &props); - if (IS_ERR(blightdev)) { - pr_err("Could not register backlight device\n"); - return PTR_ERR(blightdev); - } - - priv->blightdev = blightdev; - blightdev->props.brightness = now; - blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; - backlight_update_status(blightdev); - - return 0; -} - -static void ideapad_backlight_exit(struct ideapad_private *priv) -{ - backlight_device_unregister(priv->blightdev); - priv->blightdev = NULL; -} - -static void ideapad_backlight_notify_power(struct ideapad_private *priv) -{ - unsigned long power; - struct backlight_device *blightdev = priv->blightdev; - - if (!blightdev) - return; - if (read_ec_data(priv->adev->handle, VPCCMD_R_BL_POWER, &power)) - return; - blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; -} - -static void ideapad_backlight_notify_brightness(struct ideapad_private *priv) -{ - unsigned long now; - - /* if we control brightness via acpi video driver */ - if (priv->blightdev == NULL) { - read_ec_data(priv->adev->handle, VPCCMD_R_BL, &now); - return; - } - - backlight_force_update(priv->blightdev, BACKLIGHT_UPDATE_HOTKEY); -} - -/* - * module init/exit - */ -static void ideapad_sync_touchpad_state(struct ideapad_private *priv) -{ - unsigned long value; - - /* Without reading from EC touchpad LED doesn't switch state */ - if (!read_ec_data(priv->adev->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 void ideapad_acpi_notify(acpi_handle handle, u32 event, void *data) -{ - struct ideapad_private *priv = data; - unsigned long vpc1, vpc2, vpc_bit; - - if (read_ec_data(handle, VPCCMD_R_VPC1, &vpc1)) - return; - if (read_ec_data(handle, VPCCMD_R_VPC2, &vpc2)) - return; - - vpc1 = (vpc2 << 8) | vpc1; - for (vpc_bit = 0; vpc_bit < 16; vpc_bit++) { - if (test_bit(vpc_bit, &vpc1)) { - switch (vpc_bit) { - case 9: - ideapad_sync_rfk_state(priv); - break; - case 13: - case 11: - case 8: - case 7: - case 6: - ideapad_input_report(priv, vpc_bit); - break; - case 5: - ideapad_sync_touchpad_state(priv); - break; - case 4: - ideapad_backlight_notify_brightness(priv); - break; - case 3: - ideapad_input_novokey(priv); - break; - case 2: - ideapad_backlight_notify_power(priv); - break; - case 0: - ideapad_check_special_buttons(priv); - break; - case 1: - /* Some IdeaPads report event 1 every ~20 - * seconds while on battery power; some - * report this when changing to/from tablet - * mode. Squelch this event. - */ - break; - default: - pr_info("Unknown event: %lu\n", vpc_bit); - } - } - } -} - -#if IS_ENABLED(CONFIG_ACPI_WMI) -static void ideapad_wmi_notify(u32 value, void *context) -{ - switch (value) { - case 128: - ideapad_input_report(context, value); - break; - default: - pr_info("Unknown WMI event %u\n", value); - } -} -#endif - -/* - * Some ideapads don't have a hardware rfkill switch, reading VPCCMD_R_RF - * always results in 0 on these models, causing ideapad_laptop to wrongly - * report all radios as hardware-blocked. - */ -static const struct dmi_system_id no_hw_rfkill_list[] = { - { - .ident = "Lenovo G40-30", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo G40-30"), - }, - }, - { - .ident = "Lenovo G50-30", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo G50-30"), - }, - }, - { - .ident = "Lenovo V310-14IKB", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo V310-14IKB"), - }, - }, - { - .ident = "Lenovo V310-14ISK", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo V310-14ISK"), - }, - }, - { - .ident = "Lenovo V310-15IKB", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo V310-15IKB"), - }, - }, - { - .ident = "Lenovo V310-15ISK", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo V310-15ISK"), - }, - }, - { - .ident = "Lenovo V510-15IKB", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo V510-15IKB"), - }, - }, - { - .ident = "Lenovo ideapad 300-15IBR", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad 300-15IBR"), - }, - }, - { - .ident = "Lenovo ideapad 300-15IKB", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad 300-15IKB"), - }, - }, - { - .ident = "Lenovo ideapad 300S-11IBR", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad 300S-11BR"), - }, - }, - { - .ident = "Lenovo ideapad 310-15ABR", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad 310-15ABR"), - }, - }, - { - .ident = "Lenovo ideapad 310-15IAP", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad 310-15IAP"), - }, - }, - { - .ident = "Lenovo ideapad 310-15IKB", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad 310-15IKB"), - }, - }, - { - .ident = "Lenovo ideapad 310-15ISK", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad 310-15ISK"), - }, - }, - { - .ident = "Lenovo ideapad Y700-14ISK", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad Y700-14ISK"), - }, - }, - { - .ident = "Lenovo ideapad Y700-15ACZ", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad Y700-15ACZ"), - }, - }, - { - .ident = "Lenovo ideapad Y700-15ISK", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad Y700-15ISK"), - }, - }, - { - .ident = "Lenovo ideapad Y700 Touch-15ISK", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad Y700 Touch-15ISK"), - }, - }, - { - .ident = "Lenovo ideapad Y700-17ISK", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad Y700-17ISK"), - }, - }, - { - .ident = "Lenovo Legion Y520-15IKBN", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo Y520-15IKBN"), - }, - }, - { - .ident = "Lenovo Legion Y720-15IKBN", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo Y720-15IKBN"), - }, - }, - { - .ident = "Lenovo Yoga 2 11 / 13 / Pro", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo Yoga 2"), - }, - }, - { - .ident = "Lenovo Yoga 2 11 / 13 / Pro", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_BOARD_NAME, "Yoga2"), - }, - }, - { - .ident = "Lenovo Yoga 3 1170 / 1470", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo Yoga 3"), - }, - }, - { - .ident = "Lenovo Yoga 3 Pro 1370", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo YOGA 3"), - }, - }, - { - .ident = "Lenovo Yoga 700", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo YOGA 700"), - }, - }, - { - .ident = "Lenovo Yoga 900", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo YOGA 900"), - }, - }, - { - .ident = "Lenovo Yoga 900", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_BOARD_NAME, "VIUU4"), - }, - }, - { - .ident = "Lenovo YOGA 910-13IKB", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo YOGA 910-13IKB"), - }, - }, - {} -}; - -static int ideapad_acpi_add(struct platform_device *pdev) -{ - int ret, i; - int cfg; - struct ideapad_private *priv; - struct acpi_device *adev; - - ret = acpi_bus_get_device(ACPI_HANDLE(&pdev->dev), &adev); - if (ret) - return -ENODEV; - - if (read_method_int(adev->handle, "_CFG", &cfg)) - return -ENODEV; - - priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; - - dev_set_drvdata(&pdev->dev, priv); - priv->cfg = cfg; - priv->adev = adev; - priv->platform_device = pdev; - priv->has_hw_rfkill_switch = !dmi_check_system(no_hw_rfkill_list); - - ret = ideapad_sysfs_init(priv); - if (ret) - return ret; - - ret = ideapad_debugfs_init(priv); - if (ret) - goto debugfs_failed; - - ret = ideapad_input_init(priv); - if (ret) - goto input_failed; - - /* - * On some models without a hw-switch (the yoga 2 13 at least) - * VPCCMD_W_RF must be explicitly set to 1 for the wifi to work. - */ - if (!priv->has_hw_rfkill_switch) - write_ec_cmd(priv->adev->handle, VPCCMD_W_RF, 1); - - for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) - if (test_bit(ideapad_rfk_data[i].cfgbit, &priv->cfg)) - ideapad_register_rfkill(priv, i); - - ideapad_sync_rfk_state(priv); - ideapad_sync_touchpad_state(priv); - - if (acpi_video_get_backlight_type() == acpi_backlight_vendor) { - ret = ideapad_backlight_init(priv); - if (ret && ret != -ENODEV) - goto backlight_failed; - } - ret = acpi_install_notify_handler(adev->handle, - ACPI_DEVICE_NOTIFY, ideapad_acpi_notify, priv); - if (ret) - goto notification_failed; - -#if IS_ENABLED(CONFIG_ACPI_WMI) - for (i = 0; i < ARRAY_SIZE(ideapad_wmi_fnesc_events); i++) { - ret = wmi_install_notify_handler(ideapad_wmi_fnesc_events[i], - ideapad_wmi_notify, priv); - if (ret == AE_OK) { - priv->fnesc_guid = ideapad_wmi_fnesc_events[i]; - break; - } - } - if (ret != AE_OK && ret != AE_NOT_EXIST) - goto notification_failed_wmi; -#endif - - return 0; -#if IS_ENABLED(CONFIG_ACPI_WMI) -notification_failed_wmi: - acpi_remove_notify_handler(priv->adev->handle, - ACPI_DEVICE_NOTIFY, ideapad_acpi_notify); -#endif -notification_failed: - ideapad_backlight_exit(priv); -backlight_failed: - for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) - ideapad_unregister_rfkill(priv, i); - ideapad_input_exit(priv); -input_failed: - ideapad_debugfs_exit(priv); -debugfs_failed: - ideapad_sysfs_exit(priv); - return ret; -} - -static int ideapad_acpi_remove(struct platform_device *pdev) -{ - struct ideapad_private *priv = dev_get_drvdata(&pdev->dev); - int i; - -#if IS_ENABLED(CONFIG_ACPI_WMI) - if (priv->fnesc_guid) - wmi_remove_notify_handler(priv->fnesc_guid); -#endif - acpi_remove_notify_handler(priv->adev->handle, - ACPI_DEVICE_NOTIFY, ideapad_acpi_notify); - ideapad_backlight_exit(priv); - for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++) - ideapad_unregister_rfkill(priv, i); - ideapad_input_exit(priv); - ideapad_debugfs_exit(priv); - ideapad_sysfs_exit(priv); - dev_set_drvdata(&pdev->dev, NULL); - - return 0; -} - -#ifdef CONFIG_PM_SLEEP -static int ideapad_acpi_resume(struct device *device) -{ - struct ideapad_private *priv; - - if (!device) - return -EINVAL; - priv = dev_get_drvdata(device); - - ideapad_sync_rfk_state(priv); - ideapad_sync_touchpad_state(priv); - return 0; -} -#endif -static SIMPLE_DEV_PM_OPS(ideapad_pm, NULL, ideapad_acpi_resume); - -static const struct acpi_device_id ideapad_device_ids[] = { - { "VPC2004", 0}, - { "", 0}, -}; -MODULE_DEVICE_TABLE(acpi, ideapad_device_ids); - -static struct platform_driver ideapad_acpi_driver = { - .probe = ideapad_acpi_add, - .remove = ideapad_acpi_remove, - .driver = { - .name = "ideapad_acpi", - .pm = &ideapad_pm, - .acpi_match_table = ACPI_PTR(ideapad_device_ids), - }, -}; - -module_platform_driver(ideapad_acpi_driver); - -MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>"); -MODULE_DESCRIPTION("IdeaPad ACPI Extras"); -MODULE_LICENSE("GPL"); |