diff options
Diffstat (limited to 'drivers/platform/x86/x86-android-tablets')
| -rw-r--r-- | drivers/platform/x86/x86-android-tablets/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/platform/x86/x86-android-tablets/Makefile | 2 | ||||
| -rw-r--r-- | drivers/platform/x86/x86-android-tablets/asus.c | 12 | ||||
| -rw-r--r-- | drivers/platform/x86/x86-android-tablets/core.c | 127 | ||||
| -rw-r--r-- | drivers/platform/x86/x86-android-tablets/dmi.c | 49 | ||||
| -rw-r--r-- | drivers/platform/x86/x86-android-tablets/lenovo.c | 248 | ||||
| -rw-r--r-- | drivers/platform/x86/x86-android-tablets/other.c | 392 | ||||
| -rw-r--r-- | drivers/platform/x86/x86-android-tablets/shared-psy-info.c | 4 | ||||
| -rw-r--r-- | drivers/platform/x86/x86-android-tablets/vexia_atla10_ec.c | 261 | ||||
| -rw-r--r-- | drivers/platform/x86/x86-android-tablets/x86-android-tablets.h | 19 |
10 files changed, 1038 insertions, 85 deletions
diff --git a/drivers/platform/x86/x86-android-tablets/Kconfig b/drivers/platform/x86/x86-android-tablets/Kconfig index 6603461d4273..193da15ee01c 100644 --- a/drivers/platform/x86/x86-android-tablets/Kconfig +++ b/drivers/platform/x86/x86-android-tablets/Kconfig @@ -5,7 +5,12 @@ config X86_ANDROID_TABLETS tristate "X86 Android tablet support" - depends on I2C && SPI && SERIAL_DEV_BUS && ACPI && EFI && GPIOLIB && PMIC_OPREGION + depends on I2C && SPI && SERIAL_DEV_BUS + depends on GPIOLIB && PMIC_OPREGION + depends on ACPI && EFI && PCI + select NEW_LEDS + select LEDS_CLASS + select POWER_SUPPLY help X86 tablets which ship with Android as (part of) the factory image typically have various problems with their DSDTs. The factory kernels @@ -18,4 +23,4 @@ config X86_ANDROID_TABLETS are missing from the DSDT. If you have a x86 Android tablet say Y or M here, for a generic x86 - distro config say M here. + distro configuration say M here. diff --git a/drivers/platform/x86/x86-android-tablets/Makefile b/drivers/platform/x86/x86-android-tablets/Makefile index 41ece5a37137..313be30548bc 100644 --- a/drivers/platform/x86/x86-android-tablets/Makefile +++ b/drivers/platform/x86/x86-android-tablets/Makefile @@ -3,7 +3,7 @@ # X86 Android tablet support Makefile # +obj-$(CONFIG_X86_ANDROID_TABLETS) += vexia_atla10_ec.o obj-$(CONFIG_X86_ANDROID_TABLETS) += x86-android-tablets.o - x86-android-tablets-y := core.o dmi.o shared-psy-info.o \ asus.o lenovo.o other.o diff --git a/drivers/platform/x86/x86-android-tablets/asus.c b/drivers/platform/x86/x86-android-tablets/asus.c index 227afbb51078..7dde63b9943f 100644 --- a/drivers/platform/x86/x86-android-tablets/asus.c +++ b/drivers/platform/x86/x86-android-tablets/asus.c @@ -37,7 +37,7 @@ static const struct x86_gpio_button asus_me176c_tf103c_lid __initconst = { .pin = 12, }; -/* Asus ME176C tablets have an Android factory img with everything hardcoded */ +/* Asus ME176C tablets have an Android factory image with everything hardcoded */ static const char * const asus_me176c_accel_mount_matrix[] = { "-1", "0", "0", "0", "1", "0", @@ -112,7 +112,7 @@ static const struct x86_i2c_client_info asus_me176c_i2c_clients[] __initconst = }, .adapter_path = "\\_SB_.I2C5", }, { - /* kxtj21009 accel */ + /* kxtj21009 accelerometer */ .board_info = { .type = "kxtj21009", .addr = 0x0f, @@ -145,8 +145,8 @@ static const struct x86_i2c_client_info asus_me176c_i2c_clients[] __initconst = static const struct x86_serdev_info asus_me176c_serdevs[] __initconst = { { - .ctrl_hid = "80860F0A", - .ctrl_uid = "2", + .ctrl.acpi.hid = "80860F0A", + .ctrl.acpi.uid = "2", .ctrl_devname = "serial0", .serdev_hid = "BCM2E3A", }, @@ -181,7 +181,7 @@ const struct x86_dev_info asus_me176c_info __initconst = { .modules = bq24190_modules, }; -/* Asus TF103C tablets have an Android factory img with everything hardcoded */ +/* Asus TF103C tablets have an Android factory image with everything hardcoded */ static const char * const asus_tf103c_accel_mount_matrix[] = { "0", "-1", "0", "-1", "0", "0", @@ -280,7 +280,7 @@ static const struct x86_i2c_client_info asus_tf103c_i2c_clients[] __initconst = }, .adapter_path = "\\_SB_.I2C5", }, { - /* kxtj21009 accel */ + /* kxtj21009 accelerometer */ .board_info = { .type = "kxtj21009", .addr = 0x0f, diff --git a/drivers/platform/x86/x86-android-tablets/core.c b/drivers/platform/x86/x86-android-tablets/core.c index a3415f1c0b5f..2a9c47178505 100644 --- a/drivers/platform/x86/x86-android-tablets/core.c +++ b/drivers/platform/x86/x86-android-tablets/core.c @@ -11,11 +11,13 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/acpi.h> +#include <linux/device.h> #include <linux/dmi.h> #include <linux/gpio/consumer.h> #include <linux/gpio/machine.h> #include <linux/irq.h> #include <linux/module.h> +#include <linux/pci.h> #include <linux/platform_device.h> #include <linux/serdev.h> #include <linux/string.h> @@ -26,19 +28,19 @@ static struct platform_device *x86_android_tablet_device; /* - * This helper allows getting a gpio_desc *before* the actual device consuming - * the GPIO has been instantiated. This function _must_ only be used to handle - * this special case such as e.g. : + * This helper allows getting a GPIO descriptor *before* the actual device + * consuming it has been instantiated. This function MUST only be used to + * handle this special case such as, e.g.: * * 1. Getting an IRQ from a GPIO for i2c_board_info.irq which is passed to * i2c_client_new() to instantiate i2c_client-s; or - * 2. Calling desc_to_gpio() to get an old style GPIO number for gpio_keys + * 2. Calling desc_to_gpio() to get an old style GPIO number for gpio-keys * platform_data which still uses old style GPIO numbers. * - * Since the consuming device has not been instatiated yet a dynamic lookup - * is generated using the special x86_android_tablet dev for dev_id. + * Since the consuming device has not been instantiated yet a dynamic lookup + * is generated using the special x86_android_tablet device for dev_id. * - * For normal GPIO lookups a standard static gpiod_lookup_table _must_ be used. + * For normal GPIO lookups a standard static struct gpiod_lookup_table MUST be used. */ int x86_android_tablet_get_gpiod(const char *chip, int pin, const char *con_id, bool active_low, enum gpiod_flags dflags, @@ -52,10 +54,8 @@ int x86_android_tablet_get_gpiod(const char *chip, int pin, const char *con_id, return -ENOMEM; lookup->dev_id = KBUILD_MODNAME; - lookup->table[0].key = chip; - lookup->table[0].chip_hwnum = pin; - lookup->table[0].con_id = con_id; - lookup->table[0].flags = active_low ? GPIO_ACTIVE_LOW : GPIO_ACTIVE_HIGH; + lookup->table[0] = + GPIO_LOOKUP(chip, pin, con_id, active_low ? GPIO_ACTIVE_LOW : GPIO_ACTIVE_HIGH); gpiod_add_lookup_table(lookup); gpiod = devm_gpiod_get(&x86_android_tablet_device->dev, con_id, dflags); @@ -89,7 +89,7 @@ int x86_acpi_irq_helper_get(const struct x86_acpi_irq_data *data) /* * The DSDT may already reference the GSI in a device skipped by * acpi_quirk_skip_i2c_client_enumeration(). Unregister the GSI - * to avoid EBUSY errors in this case. + * to avoid -EBUSY errors in this case. */ acpi_unregister_gsi(data->index); irq = acpi_register_gsi(NULL, data->index, data->trigger, data->polarity); @@ -157,26 +157,66 @@ static struct gpiod_lookup_table * const *gpiod_lookup_tables; static const struct software_node *bat_swnode; static void (*exit_handler)(void); +static __init struct i2c_adapter * +get_i2c_adap_by_handle(const struct x86_i2c_client_info *client_info) +{ + acpi_handle handle; + acpi_status status; + + status = acpi_get_handle(NULL, client_info->adapter_path, &handle); + if (ACPI_FAILURE(status)) { + pr_err("Error could not get %s handle\n", client_info->adapter_path); + return NULL; + } + + return i2c_acpi_find_adapter_by_handle(handle); +} + +static __init int match_parent(struct device *dev, const void *data) +{ + return dev->parent == data; +} + +static __init struct i2c_adapter * +get_i2c_adap_by_pci_parent(const struct x86_i2c_client_info *client_info) +{ + struct i2c_adapter *adap = NULL; + struct device *pdev, *adap_dev; + + pdev = bus_find_device_by_name(&pci_bus_type, NULL, client_info->adapter_path); + if (!pdev) { + pr_err("Error could not find %s PCI device\n", client_info->adapter_path); + return NULL; + } + + adap_dev = bus_find_device(&i2c_bus_type, NULL, pdev, match_parent); + if (adap_dev) { + adap = i2c_verify_adapter(adap_dev); + if (!adap) + put_device(adap_dev); + } + + put_device(pdev); + + return adap; +} + static __init int x86_instantiate_i2c_client(const struct x86_dev_info *dev_info, int idx) { const struct x86_i2c_client_info *client_info = &dev_info->i2c_client_info[idx]; struct i2c_board_info board_info = client_info->board_info; struct i2c_adapter *adap; - acpi_handle handle; - acpi_status status; board_info.irq = x86_acpi_irq_helper_get(&client_info->irq_data); if (board_info.irq < 0) return board_info.irq; - status = acpi_get_handle(NULL, client_info->adapter_path, &handle); - if (ACPI_FAILURE(status)) { - pr_err("Error could not get %s handle\n", client_info->adapter_path); - return -ENODEV; - } + if (dev_info->use_pci) + adap = get_i2c_adap_by_pci_parent(client_info); + else + adap = get_i2c_adap_by_handle(client_info); - adap = i2c_acpi_find_adapter_by_handle(handle); if (!adap) { pr_err("error could not get %s adapter\n", client_info->adapter_path); return -ENODEV; @@ -231,15 +271,32 @@ static __init int x86_instantiate_spi_dev(const struct x86_dev_info *dev_info, i return 0; } -static __init int x86_instantiate_serdev(const struct x86_serdev_info *info, int idx) +static __init struct device * +get_serdev_controller_by_pci_parent(const struct x86_serdev_info *info) { + struct pci_dev *pdev; + + pdev = pci_get_domain_bus_and_slot(0, 0, info->ctrl.pci.devfn); + if (!pdev) + return ERR_PTR(-EPROBE_DEFER); + + /* This puts our reference on pdev and returns a ref on the ctrl */ + return get_serdev_controller_from_parent(&pdev->dev, 0, info->ctrl_devname); +} + +static __init int x86_instantiate_serdev(const struct x86_dev_info *dev_info, int idx) +{ + const struct x86_serdev_info *info = &dev_info->serdev_info[idx]; struct acpi_device *serdev_adev; struct serdev_device *serdev; struct device *ctrl_dev; int ret = -ENODEV; - ctrl_dev = get_serdev_controller(info->ctrl_hid, info->ctrl_uid, 0, - info->ctrl_devname); + if (dev_info->use_pci) + ctrl_dev = get_serdev_controller_by_pci_parent(info); + else + ctrl_dev = get_serdev_controller(info->ctrl.acpi.hid, info->ctrl.acpi.uid, + 0, info->ctrl_devname); if (IS_ERR(ctrl_dev)) return PTR_ERR(ctrl_dev); @@ -278,25 +335,25 @@ static void x86_android_tablet_remove(struct platform_device *pdev) { int i; - for (i = 0; i < serdev_count; i++) { + for (i = serdev_count - 1; i >= 0; i--) { if (serdevs[i]) serdev_device_remove(serdevs[i]); } kfree(serdevs); - for (i = 0; i < pdev_count; i++) + for (i = pdev_count - 1; i >= 0; i--) platform_device_unregister(pdevs[i]); kfree(pdevs); kfree(buttons); - for (i = 0; i < spi_dev_count; i++) + for (i = spi_dev_count - 1; i >= 0; i--) spi_unregister_device(spi_devs[i]); kfree(spi_devs); - for (i = 0; i < i2c_client_count; i++) + for (i = i2c_client_count - 1; i >= 0; i--) i2c_unregister_device(i2c_clients[i]); kfree(i2c_clients); @@ -343,7 +400,7 @@ static __init int x86_android_tablet_probe(struct platform_device *pdev) gpiod_add_lookup_table(gpiod_lookup_tables[i]); if (dev_info->init) { - ret = dev_info->init(); + ret = dev_info->init(&pdev->dev); if (ret < 0) { x86_android_tablet_remove(pdev); return ret; @@ -381,7 +438,7 @@ static __init int x86_android_tablet_probe(struct platform_device *pdev) } } - /* + 1 to make space for (optional) gpio_keys_button pdev */ + /* + 1 to make space for the (optional) gpio_keys_button platform device */ pdevs = kcalloc(dev_info->pdev_count + 1, sizeof(*pdevs), GFP_KERNEL); if (!pdevs) { x86_android_tablet_remove(pdev); @@ -392,8 +449,9 @@ static __init int x86_android_tablet_probe(struct platform_device *pdev) for (i = 0; i < pdev_count; i++) { pdevs[i] = platform_device_register_full(&dev_info->pdev_info[i]); if (IS_ERR(pdevs[i])) { + ret = PTR_ERR(pdevs[i]); x86_android_tablet_remove(pdev); - return PTR_ERR(pdevs[i]); + return ret; } } @@ -405,7 +463,7 @@ static __init int x86_android_tablet_probe(struct platform_device *pdev) serdev_count = dev_info->serdev_count; for (i = 0; i < serdev_count; i++) { - ret = x86_instantiate_serdev(&dev_info->serdev_info[i], i); + ret = x86_instantiate_serdev(dev_info, i); if (ret < 0) { x86_android_tablet_remove(pdev); return ret; @@ -434,7 +492,7 @@ static __init int x86_android_tablet_probe(struct platform_device *pdev) buttons[i] = dev_info->gpio_button[i].button; buttons[i].gpio = desc_to_gpio(gpiod); - /* Release gpiod so that gpio-keys can request it */ + /* Release GPIO descriptor so that gpio-keys can request it */ devm_gpiod_put(&x86_android_tablet_device->dev, gpiod); } @@ -445,8 +503,9 @@ static __init int x86_android_tablet_probe(struct platform_device *pdev) PLATFORM_DEVID_AUTO, &pdata, sizeof(pdata)); if (IS_ERR(pdevs[pdev_count])) { + ret = PTR_ERR(pdevs[pdev_count]); x86_android_tablet_remove(pdev); - return PTR_ERR(pdevs[pdev_count]); + return ret; } pdev_count++; } @@ -458,7 +517,7 @@ static struct platform_driver x86_android_tablet_driver = { .driver = { .name = KBUILD_MODNAME, }, - .remove_new = x86_android_tablet_remove, + .remove = x86_android_tablet_remove, }; static int __init x86_android_tablet_init(void) diff --git a/drivers/platform/x86/x86-android-tablets/dmi.c b/drivers/platform/x86/x86-android-tablets/dmi.c index 5d6c12494f08..278c6d151dc4 100644 --- a/drivers/platform/x86/x86-android-tablets/dmi.c +++ b/drivers/platform/x86/x86-android-tablets/dmi.c @@ -99,15 +99,33 @@ const struct dmi_system_id x86_android_tablet_ids[] __initconst = { { /* Lenovo Yoga Book X91F / X91L */ .matches = { - /* Non exact match to match F + L versions */ + /* Inexact match to match F + L versions */ DMI_MATCH(DMI_PRODUCT_NAME, "Lenovo YB1-X91"), }, .driver_data = (void *)&lenovo_yogabook_x91_info, }, { /* - * Lenovo Yoga Tablet 2 830F/L or 1050F/L (The 8" and 10" - * Lenovo Yoga Tablet 2 use the same mainboard) + * Lenovo Yoga Tablet 2 Pro 1380F/L (13") + * This has more or less the same BIOS as the 830F/L or 1050F/L + * (8" and 10") below, but unlike the 8"/10" models which share + * the same mainboard this model has a different mainboard. + * This match for the 13" model MUST come before the 8" + 10" + * match since that one will also match the 13" model! + */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp."), + DMI_MATCH(DMI_PRODUCT_NAME, "VALLEYVIEW C0 PLATFORM"), + DMI_MATCH(DMI_BOARD_NAME, "BYT-T FFD8"), + /* Full match so as to NOT match the 830/1050 BIOS */ + DMI_MATCH(DMI_BIOS_VERSION, "BLADE_21.X64.0005.R00.1504101516"), + }, + .driver_data = (void *)&lenovo_yoga_tab2_1380_info, + }, + { + /* + * Lenovo Yoga Tablet 2 830F/L or 1050F/L + * The 8" and 10" Lenovo Yoga Tablet 2 use the same mainboard. */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp."), @@ -122,7 +140,6 @@ const struct dmi_system_id x86_android_tablet_ids[] __initconst = { /* Lenovo Yoga Tab 3 Pro YT3-X90F */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"), - DMI_MATCH(DMI_PRODUCT_NAME, "CHERRYVIEW D1 PLATFORM"), DMI_MATCH(DMI_PRODUCT_VERSION, "Blade3-10A-001"), }, .driver_data = (void *)&lenovo_yt3_info, @@ -146,7 +163,7 @@ const struct dmi_system_id x86_android_tablet_ids[] __initconst = { .driver_data = (void *)&nextbook_ares8_info, }, { - /* Nextbook Ares 8A (CHT version)*/ + /* Nextbook Ares 8A (CHT version) */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Insyde"), DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"), @@ -163,6 +180,28 @@ const struct dmi_system_id x86_android_tablet_ids[] __initconst = { .driver_data = (void *)&peaq_c1010_info, }, { + /* Vexia Edu Atla 10 tablet 5V version */ + .matches = { + /* Having all 3 of these not set is somewhat unique */ + DMI_MATCH(DMI_SYS_VENDOR, "To be filled by O.E.M."), + DMI_MATCH(DMI_PRODUCT_NAME, "To be filled by O.E.M."), + DMI_MATCH(DMI_BOARD_NAME, "To be filled by O.E.M."), + /* Above strings are too generic, also match on BIOS date */ + DMI_MATCH(DMI_BIOS_DATE, "05/14/2015"), + }, + .driver_data = (void *)&vexia_edu_atla10_5v_info, + }, + { + /* Vexia Edu Atla 10 tablet 9V version */ + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), + DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"), + /* Above strings are too generic, also match on BIOS date */ + DMI_MATCH(DMI_BIOS_DATE, "08/25/2014"), + }, + .driver_data = (void *)&vexia_edu_atla10_9v_info, + }, + { /* Whitelabel (sold as various brands) TM800A550L */ .matches = { DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), diff --git a/drivers/platform/x86/x86-android-tablets/lenovo.c b/drivers/platform/x86/x86-android-tablets/lenovo.c index c297391955ad..1241a97cda39 100644 --- a/drivers/platform/x86/x86-android-tablets/lenovo.c +++ b/drivers/platform/x86/x86-android-tablets/lenovo.c @@ -19,6 +19,7 @@ #include <linux/pinctrl/machine.h> #include <linux/platform_data/lp855x.h> #include <linux/platform_device.h> +#include <linux/power/bq24190_charger.h> #include <linux/reboot.h> #include <linux/rmi.h> #include <linux/spi/spi.h> @@ -58,7 +59,7 @@ static struct lp855x_platform_data lenovo_lp8557_reg_only_pdata = { .initial_brightness = 128, }; -/* Lenovo Yoga Book X90F / X90L's Android factory img has everything hardcoded */ +/* Lenovo Yoga Book X90F / X90L's Android factory image has everything hardcoded */ static const struct property_entry lenovo_yb1_x90_wacom_props[] = { PROPERTY_ENTRY_U32("hid-descr-addr", 0x0001), @@ -177,8 +178,8 @@ static const struct platform_device_info lenovo_yb1_x90_pdevs[] __initconst = { */ static const struct x86_serdev_info lenovo_yb1_x90_serdevs[] __initconst = { { - .ctrl_hid = "8086228A", - .ctrl_uid = "1", + .ctrl.acpi.hid = "8086228A", + .ctrl.acpi.uid = "1", .ctrl_devname = "serial0", .serdev_hid = "BCM2E1A", }, @@ -229,7 +230,7 @@ static struct gpiod_lookup_table * const lenovo_yb1_x90_gpios[] = { NULL }; -static int __init lenovo_yb1_x90_init(void) +static int __init lenovo_yb1_x90_init(struct device *dev) { /* Enable the regulators used by the touchscreens */ @@ -261,7 +262,7 @@ const struct x86_dev_info lenovo_yogabook_x90_info __initconst = { .init = lenovo_yb1_x90_init, }; -/* Lenovo Yoga Book X91F/L Windows tablet needs manual instantiation of the fg client */ +/* Lenovo Yoga Book X91F/L Windows tablet needs manual instantiation of the fuel-gauge client */ static const struct x86_i2c_client_info lenovo_yogabook_x91_i2c_clients[] __initconst = { { /* BQ27542 fuel-gauge */ @@ -280,7 +281,7 @@ const struct x86_dev_info lenovo_yogabook_x91_info __initconst = { .i2c_client_count = ARRAY_SIZE(lenovo_yogabook_x91_i2c_clients), }; -/* Lenovo Yoga Tablet 2 1050F/L's Android factory img has everything hardcoded */ +/* Lenovo Yoga Tablet 2 1050F/L's Android factory image has everything hardcoded */ static const struct property_entry lenovo_yoga_tab2_830_1050_bq24190_props[] = { PROPERTY_ENTRY_STRING_ARRAY_LEN("supplied-from", tusb1211_chg_det_psy, 1), PROPERTY_ENTRY_REF("monitored-battery", &generic_lipo_hv_4v35_battery_node), @@ -411,7 +412,7 @@ static struct gpiod_lookup_table * const lenovo_yoga_tab2_830_1050_gpios[] = { NULL }; -static int __init lenovo_yoga_tab2_830_1050_init(void); +static int __init lenovo_yoga_tab2_830_1050_init(struct device *dev); static void lenovo_yoga_tab2_830_1050_exit(void); const struct x86_dev_info lenovo_yoga_tab2_830_1050_info __initconst = { @@ -520,9 +521,9 @@ err_put_device: } /* - * These tablet's DSDT does not set acpi_gbl_reduced_hardware, so acpi_power_off + * These tablet's DSDT does not set acpi_gbl_reduced_hardware, so acpi_power_off() * gets used as pm_power_off handler. This causes "poweroff" on these tablets - * to hang hard. Requiring pressing the powerbutton for 30 seconds *twice* + * to hang hard. Requiring pressing the power button for 30 seconds *twice* * followed by a normal 3 second press to recover. Avoid this by doing an EFI * poweroff instead. */ @@ -533,7 +534,7 @@ static int lenovo_yoga_tab2_830_1050_power_off(struct sys_off_data *data) return NOTIFY_DONE; } -static int __init lenovo_yoga_tab2_830_1050_init(void) +static int __init lenovo_yoga_tab2_830_1050_init(struct device *dev) { int ret; @@ -545,7 +546,7 @@ static int __init lenovo_yoga_tab2_830_1050_init(void) if (ret) return ret; - /* SYS_OFF_PRIO_FIRMWARE + 1 so that it runs before acpi_power_off */ + /* SYS_OFF_PRIO_FIRMWARE + 1 so that it runs before acpi_power_off() */ lenovo_yoga_tab2_830_1050_sys_off_handler = register_sys_off_handler(SYS_OFF_MODE_POWER_OFF, SYS_OFF_PRIO_FIRMWARE + 1, lenovo_yoga_tab2_830_1050_power_off, NULL); @@ -565,6 +566,221 @@ static void lenovo_yoga_tab2_830_1050_exit(void) } } +/* + * Lenovo Yoga Tablet 2 Pro 1380F/L + * + * The Lenovo Yoga Tablet 2 Pro 1380F/L mostly has the same design as the 830F/L + * and the 1050F/L so this re-uses some of the handling for that from above. + */ +static const char * const lc824206xa_chg_det_psy[] = { "lc824206xa-charger-detect" }; + +static const struct property_entry lenovo_yoga_tab2_1380_bq24190_props[] = { + PROPERTY_ENTRY_STRING_ARRAY("supplied-from", lc824206xa_chg_det_psy), + PROPERTY_ENTRY_REF("monitored-battery", &generic_lipo_hv_4v35_battery_node), + PROPERTY_ENTRY_BOOL("omit-battery-class"), + PROPERTY_ENTRY_BOOL("disable-reset"), + { } +}; + +static const struct software_node lenovo_yoga_tab2_1380_bq24190_node = { + .properties = lenovo_yoga_tab2_1380_bq24190_props, +}; + +/* For enabling the bq24190 5V boost based on id-pin */ +static struct regulator_consumer_supply lc824206xa_consumer = { + .supply = "vbus", + .dev_name = "i2c-lc824206xa", +}; + +static const struct regulator_init_data lenovo_yoga_tab2_1380_bq24190_vbus_init_data = { + .constraints = { + .name = "bq24190_vbus", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .consumer_supplies = &lc824206xa_consumer, + .num_consumer_supplies = 1, +}; + +static struct bq24190_platform_data lenovo_yoga_tab2_1380_bq24190_pdata = { + .regulator_init_data = &lenovo_yoga_tab2_1380_bq24190_vbus_init_data, +}; + +static const struct property_entry lenovo_yoga_tab2_1380_lc824206xa_props[] = { + PROPERTY_ENTRY_BOOL("onnn,enable-miclr-for-dcp"), + { } +}; + +static const struct software_node lenovo_yoga_tab2_1380_lc824206xa_node = { + .properties = lenovo_yoga_tab2_1380_lc824206xa_props, +}; + +static const char * const lenovo_yoga_tab2_1380_lms303d_mount_matrix[] = { + "0", "-1", "0", + "-1", "0", "0", + "0", "0", "1" +}; + +static const struct property_entry lenovo_yoga_tab2_1380_lms303d_props[] = { + PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", lenovo_yoga_tab2_1380_lms303d_mount_matrix), + { } +}; + +static const struct software_node lenovo_yoga_tab2_1380_lms303d_node = { + .properties = lenovo_yoga_tab2_1380_lms303d_props, +}; + +static const struct x86_i2c_client_info lenovo_yoga_tab2_1380_i2c_clients[] __initconst = { + { + /* BQ27541 fuel-gauge */ + .board_info = { + .type = "bq27541", + .addr = 0x55, + .dev_name = "bq27541", + .swnode = &fg_bq24190_supply_node, + }, + .adapter_path = "\\_SB_.I2C1", + }, { + /* bq24292i battery charger */ + .board_info = { + .type = "bq24190", + .addr = 0x6b, + .dev_name = "bq24292i", + .swnode = &lenovo_yoga_tab2_1380_bq24190_node, + .platform_data = &lenovo_yoga_tab2_1380_bq24190_pdata, + }, + .adapter_path = "\\_SB_.I2C1", + .irq_data = { + .type = X86_ACPI_IRQ_TYPE_GPIOINT, + .chip = "INT33FC:02", + .index = 2, + .trigger = ACPI_EDGE_SENSITIVE, + .polarity = ACPI_ACTIVE_HIGH, + .con_id = "bq24292i_irq", + }, + }, { + /* LP8557 Backlight controller */ + .board_info = { + .type = "lp8557", + .addr = 0x2c, + .dev_name = "lp8557", + .platform_data = &lenovo_lp8557_pwm_and_reg_pdata, + }, + .adapter_path = "\\_SB_.I2C3", + }, { + /* LC824206XA Micro USB Switch */ + .board_info = { + .type = "lc824206xa", + .addr = 0x48, + .dev_name = "lc824206xa", + .swnode = &lenovo_yoga_tab2_1380_lc824206xa_node, + }, + .adapter_path = "\\_SB_.I2C3", + .irq_data = { + .type = X86_ACPI_IRQ_TYPE_GPIOINT, + .chip = "INT33FC:02", + .index = 1, + .trigger = ACPI_LEVEL_SENSITIVE, + .polarity = ACPI_ACTIVE_LOW, + .con_id = "lc824206xa_irq", + }, + }, { + /* AL3320A ambient light sensor */ + .board_info = { + .type = "al3320a", + .addr = 0x1c, + .dev_name = "al3320a", + }, + .adapter_path = "\\_SB_.I2C5", + }, { + /* LSM303DA accelerometer + magnetometer */ + .board_info = { + .type = "lsm303d", + .addr = 0x1d, + .dev_name = "lsm303d", + .swnode = &lenovo_yoga_tab2_1380_lms303d_node, + }, + .adapter_path = "\\_SB_.I2C5", + }, { + /* Synaptics RMI touchscreen */ + .board_info = { + .type = "rmi4_i2c", + .addr = 0x38, + .dev_name = "rmi4_i2c", + .platform_data = &lenovo_yoga_tab2_830_1050_rmi_pdata, + }, + .adapter_path = "\\_SB_.I2C6", + .irq_data = { + .type = X86_ACPI_IRQ_TYPE_APIC, + .index = 0x45, + .trigger = ACPI_EDGE_SENSITIVE, + .polarity = ACPI_ACTIVE_HIGH, + }, + } +}; + +static const struct platform_device_info lenovo_yoga_tab2_1380_pdevs[] __initconst = { + { + /* For the Tablet 2 Pro 1380's custom fast charging driver */ + .name = "lenovo-yoga-tab2-pro-1380-fastcharger", + .id = PLATFORM_DEVID_NONE, + }, +}; + +static const char * const lenovo_yoga_tab2_1380_modules[] __initconst = { + "bq24190_charger", /* For the Vbus regulator for lc824206xa */ + NULL +}; + +static int __init lenovo_yoga_tab2_1380_init(struct device *dev) +{ + int ret; + + /* To verify that the DMI matching works vs the 830 / 1050 models */ + pr_info("detected Lenovo Yoga Tablet 2 Pro 1380F/L\n"); + + ret = lenovo_yoga_tab2_830_1050_init_codec(); + if (ret) + return ret; + + /* SYS_OFF_PRIO_FIRMWARE + 1 so that it runs before acpi_power_off() */ + lenovo_yoga_tab2_830_1050_sys_off_handler = + register_sys_off_handler(SYS_OFF_MODE_POWER_OFF, SYS_OFF_PRIO_FIRMWARE + 1, + lenovo_yoga_tab2_830_1050_power_off, NULL); + if (IS_ERR(lenovo_yoga_tab2_830_1050_sys_off_handler)) + return PTR_ERR(lenovo_yoga_tab2_830_1050_sys_off_handler); + + return 0; +} + +static struct gpiod_lookup_table lenovo_yoga_tab2_1380_fc_gpios = { + .dev_id = "serial0-0", + .table = { + GPIO_LOOKUP("INT33FC:00", 57, "uart3_txd", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("INT33FC:00", 61, "uart3_rxd", GPIO_ACTIVE_HIGH), + { } + }, +}; + +static struct gpiod_lookup_table * const lenovo_yoga_tab2_1380_gpios[] = { + &lenovo_yoga_tab2_830_1050_codec_gpios, + &lenovo_yoga_tab2_1380_fc_gpios, + NULL +}; + +const struct x86_dev_info lenovo_yoga_tab2_1380_info __initconst = { + .i2c_client_info = lenovo_yoga_tab2_1380_i2c_clients, + .i2c_client_count = ARRAY_SIZE(lenovo_yoga_tab2_1380_i2c_clients), + .pdev_info = lenovo_yoga_tab2_1380_pdevs, + .pdev_count = ARRAY_SIZE(lenovo_yoga_tab2_1380_pdevs), + .gpio_button = &lenovo_yoga_tab2_830_1050_lid, + .gpio_button_count = 1, + .gpiod_lookup_tables = lenovo_yoga_tab2_1380_gpios, + .bat_swnode = &generic_lipo_hv_4v35_battery_node, + .modules = lenovo_yoga_tab2_1380_modules, + .init = lenovo_yoga_tab2_1380_init, + .exit = lenovo_yoga_tab2_830_1050_exit, +}; + /* Lenovo Yoga Tab 3 Pro YT3-X90F */ /* @@ -583,7 +799,7 @@ static const struct software_node fg_bq25890_1_supply_node = { .properties = fg_bq25890_1_supply_props, }; -/* bq25892 charger settings for the flat lipo battery behind the screen */ +/* bq25892 charger settings for the flat LiPo battery behind the screen */ static const struct property_entry lenovo_yt3_bq25892_0_props[] = { PROPERTY_ENTRY_STRING_ARRAY("supplied-from", lenovo_yt3_bq25892_0_suppliers), PROPERTY_ENTRY_U32("linux,iinlim-percentage", 40), @@ -617,7 +833,7 @@ static const struct software_node lenovo_yt3_hideep_ts_node = { static const struct x86_i2c_client_info lenovo_yt3_i2c_clients[] __initconst = { { - /* bq27500 fuel-gauge for the flat lipo battery behind the screen */ + /* bq27500 fuel-gauge for the flat LiPo battery behind the screen */ .board_info = { .type = "bq27500", .addr = 0x55, @@ -626,7 +842,7 @@ static const struct x86_i2c_client_info lenovo_yt3_i2c_clients[] __initconst = { }, .adapter_path = "\\_SB_.PCI0.I2C1", }, { - /* bq25892 charger for the flat lipo battery behind the screen */ + /* bq25892 charger for the flat LiPo battery behind the screen */ .board_info = { .type = "bq25892", .addr = 0x6b, @@ -643,7 +859,7 @@ static const struct x86_i2c_client_info lenovo_yt3_i2c_clients[] __initconst = { .con_id = "bq25892_0_irq", }, }, { - /* bq27500 fuel-gauge for the round li-ion cells in the hinge */ + /* bq27500 fuel-gauge for the round Li-ion cells in the hinge */ .board_info = { .type = "bq27500", .addr = 0x55, @@ -762,7 +978,7 @@ static const struct x86_spi_dev_info lenovo_yt3_spi_devs[] __initconst = { } }; -static int __init lenovo_yt3_init(void) +static int __init lenovo_yt3_init(struct device *dev) { int ret; diff --git a/drivers/platform/x86/x86-android-tablets/other.c b/drivers/platform/x86/x86-android-tablets/other.c index 278402dcb808..f7bd9f863c85 100644 --- a/drivers/platform/x86/x86-android-tablets/other.c +++ b/drivers/platform/x86/x86-android-tablets/other.c @@ -11,12 +11,17 @@ #include <linux/acpi.h> #include <linux/gpio/machine.h> #include <linux/input.h> +#include <linux/leds.h> +#include <linux/pci.h> #include <linux/platform_device.h> +#include <linux/pwm.h> + +#include <dt-bindings/leds/common.h> #include "shared-psy-info.h" #include "x86-android-tablets.h" -/* Acer Iconia One 7 B1-750 has an Android factory img with everything hardcoded */ +/* Acer Iconia One 7 B1-750 has an Android factory image with everything hardcoded */ static const char * const acer_b1_750_mount_matrix[] = { "-1", "0", "0", "0", "1", "0", @@ -36,7 +41,7 @@ static const struct x86_i2c_client_info acer_b1_750_i2c_clients[] __initconst = { /* Novatek NVT-ts touchscreen */ .board_info = { - .type = "NVT-ts", + .type = "nt11205-ts", .addr = 0x34, .dev_name = "NVT-ts", }, @@ -94,7 +99,7 @@ const struct x86_dev_info acer_b1_750_info __initconst = { * Advantech MICA-071 * This is a standard Windows tablet, but it has an extra "quick launch" button * which is not described in the ACPI tables in anyway. - * Use the x86-android-tablets infra to create a gpio-button device for this. + * Use the x86-android-tablets infra to create a gpio-keys device for this. */ static const struct x86_gpio_button advantech_mica_071_button __initconst = { .button = { @@ -181,7 +186,7 @@ static const struct x86_i2c_client_info chuwi_hi8_i2c_clients[] __initconst = { }, }; -static int __init chuwi_hi8_init(void) +static int __init chuwi_hi8_init(struct device *dev) { /* * Avoid the acpi_unregister_gsi() call in x86_acpi_irq_helper_get() @@ -205,7 +210,7 @@ const struct x86_dev_info chuwi_hi8_info __initconst = { * This comes in both Windows and Android versions and even on Android * the DSDT is mostly sane. This tablet has 2 extra general purpose buttons * in the button row with the power + volume-buttons labeled P and F. - * Use the x86-android-tablets infra to create a gpio-button device for these. + * Use the x86-android-tablets infra to create a gpio-keys device for these. */ static const struct x86_gpio_button cyberbook_t116_buttons[] __initconst = { { @@ -242,7 +247,7 @@ const struct x86_dev_info cyberbook_t116_info __initconst = { #define CZC_EC_EXTRA_PORT 0x68 #define CZC_EC_ANDROID_KEYS 0x63 -static int __init czc_p10t_init(void) +static int __init czc_p10t_init(struct device *dev) { /* * The device boots up in "Windows 7" mode, when the home button sends a @@ -272,7 +277,7 @@ const struct x86_dev_info czc_p10t __initconst = { .init = czc_p10t_init, }; -/* Medion Lifetab S10346 tablets have an Android factory img with everything hardcoded */ +/* Medion Lifetab S10346 tablets have an Android factory image with everything hardcoded */ static const char * const medion_lifetab_s10346_accel_mount_matrix[] = { "0", "1", "0", "1", "0", "0", @@ -301,7 +306,7 @@ static const struct software_node medion_lifetab_s10346_touchscreen_node = { static const struct x86_i2c_client_info medion_lifetab_s10346_i2c_clients[] __initconst = { { - /* kxtj21009 accel */ + /* kxtj21009 accelerometer */ .board_info = { .type = "kxtj21009", .addr = 0x0f, @@ -355,7 +360,7 @@ const struct x86_dev_info medion_lifetab_s10346_info __initconst = { .gpiod_lookup_tables = medion_lifetab_s10346_gpios, }; -/* Nextbook Ares 8 (BYT) tablets have an Android factory img with everything hardcoded */ +/* Nextbook Ares 8 (BYT) tablets have an Android factory image with everything hardcoded */ static const char * const nextbook_ares8_accel_mount_matrix[] = { "0", "-1", "0", "-1", "0", "0", @@ -383,7 +388,7 @@ static const struct software_node nextbook_ares8_touchscreen_node = { static const struct x86_i2c_client_info nextbook_ares8_i2c_clients[] __initconst = { { - /* Freescale MMA8653FC accel */ + /* Freescale MMA8653FC accelerometer */ .board_info = { .type = "mma8653", .addr = 0x1d, @@ -424,7 +429,7 @@ const struct x86_dev_info nextbook_ares8_info __initconst = { .gpiod_lookup_tables = nextbook_ares8_gpios, }; -/* Nextbook Ares 8A (CHT) tablets have an Android factory img with everything hardcoded */ +/* Nextbook Ares 8A (CHT) tablets have an Android factory image with everything hardcoded */ static const char * const nextbook_ares8a_accel_mount_matrix[] = { "1", "0", "0", "0", "-1", "0", @@ -442,7 +447,7 @@ static const struct software_node nextbook_ares8a_accel_node = { static const struct x86_i2c_client_info nextbook_ares8a_i2c_clients[] __initconst = { { - /* Freescale MMA8653FC accel */ + /* Freescale MMA8653FC accelerometer */ .board_info = { .type = "mma8653", .addr = 0x1d, @@ -493,7 +498,7 @@ const struct x86_dev_info nextbook_ares8a_info __initconst = { * Peaq C1010 * This is a standard Windows tablet, but it has a special Dolby button. * This button has a WMI interface, but that is broken. Instead of trying to - * use the broken WMI interface, instantiate a gpio_keys device for this. + * use the broken WMI interface, instantiate a gpio-keys device for this. */ static const struct x86_gpio_button peaq_c1010_button __initconst = { .button = { @@ -517,7 +522,7 @@ const struct x86_dev_info peaq_c1010_info __initconst = { * Whitelabel (sold as various brands) TM800A550L tablets. * These tablet's DSDT contains a whole bunch of bogus ACPI I2C devices * (removed through acpi_quirk_skip_i2c_client_enumeration()) and - * the touchscreen fwnode has the wrong GPIOs. + * the touchscreen firmware node has the wrong GPIOs. */ static const char * const whitelabel_tm800a550l_accel_mount_matrix[] = { "-1", "0", "0", @@ -562,7 +567,7 @@ static const struct x86_i2c_client_info whitelabel_tm800a550l_i2c_clients[] __in .polarity = ACPI_ACTIVE_HIGH, }, }, { - /* kxcj91008 accel */ + /* kxcj91008 accelerometer */ .board_info = { .type = "kxcj91008", .addr = 0x0f, @@ -594,6 +599,360 @@ const struct x86_dev_info whitelabel_tm800a550l_info __initconst = { }; /* + * Vexia EDU ATLA 10 tablet 5V, Android 4.4 + Guadalinex Ubuntu tablet + * distributed to schools in the Spanish Andalucía region. + */ +static const struct property_entry vexia_edu_atla10_5v_touchscreen_props[] = { + PROPERTY_ENTRY_U32("hid-descr-addr", 0x0000), + PROPERTY_ENTRY_U32("post-reset-deassert-delay-ms", 120), + { } +}; + +static const struct software_node vexia_edu_atla10_5v_touchscreen_node = { + .properties = vexia_edu_atla10_5v_touchscreen_props, +}; + +static const struct x86_i2c_client_info vexia_edu_atla10_5v_i2c_clients[] __initconst = { + { + /* kxcjk1013 accelerometer */ + .board_info = { + .type = "kxcjk1013", + .addr = 0x0f, + .dev_name = "kxcjk1013", + }, + .adapter_path = "\\_SB_.I2C3", + }, { + /* touchscreen controller */ + .board_info = { + .type = "hid-over-i2c", + .addr = 0x38, + .dev_name = "FTSC1000", + .swnode = &vexia_edu_atla10_5v_touchscreen_node, + }, + .adapter_path = "\\_SB_.I2C4", + .irq_data = { + .type = X86_ACPI_IRQ_TYPE_APIC, + .index = 0x44, + .trigger = ACPI_LEVEL_SENSITIVE, + .polarity = ACPI_ACTIVE_HIGH, + }, + } +}; + +static struct gpiod_lookup_table vexia_edu_atla10_5v_ft5416_gpios = { + .dev_id = "i2c-FTSC1000", + .table = { + GPIO_LOOKUP("INT33FC:01", 26, "reset", GPIO_ACTIVE_LOW), + { } + }, +}; + +static struct gpiod_lookup_table * const vexia_edu_atla10_5v_gpios[] = { + &vexia_edu_atla10_5v_ft5416_gpios, + NULL +}; + +const struct x86_dev_info vexia_edu_atla10_5v_info __initconst = { + .i2c_client_info = vexia_edu_atla10_5v_i2c_clients, + .i2c_client_count = ARRAY_SIZE(vexia_edu_atla10_5v_i2c_clients), + .gpiod_lookup_tables = vexia_edu_atla10_5v_gpios, +}; + +/* + * Vexia EDU ATLA 10 tablet 9V, Android 4.2 + Guadalinex Ubuntu tablet + * distributed to schools in the Spanish Andalucía region. + */ +static const char * const crystal_cove_pwrsrc_psy[] = { "crystal_cove_pwrsrc" }; + +static const struct property_entry vexia_edu_atla10_9v_ulpmc_props[] = { + PROPERTY_ENTRY_STRING_ARRAY("supplied-from", crystal_cove_pwrsrc_psy), + { } +}; + +static const struct software_node vexia_edu_atla10_9v_ulpmc_node = { + .properties = vexia_edu_atla10_9v_ulpmc_props, +}; + +static const char * const vexia_edu_atla10_9v_accel_mount_matrix[] = { + "0", "-1", "0", + "1", "0", "0", + "0", "0", "1" +}; + +static const struct property_entry vexia_edu_atla10_9v_accel_props[] = { + PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", vexia_edu_atla10_9v_accel_mount_matrix), + { } +}; + +static const struct software_node vexia_edu_atla10_9v_accel_node = { + .properties = vexia_edu_atla10_9v_accel_props, +}; + +static const struct property_entry vexia_edu_atla10_9v_touchscreen_props[] = { + PROPERTY_ENTRY_U32("hid-descr-addr", 0x0000), + PROPERTY_ENTRY_U32("post-reset-deassert-delay-ms", 120), + { } +}; + +static const struct software_node vexia_edu_atla10_9v_touchscreen_node = { + .properties = vexia_edu_atla10_9v_touchscreen_props, +}; + +static const struct property_entry vexia_edu_atla10_9v_pmic_props[] = { + PROPERTY_ENTRY_BOOL("linux,register-pwrsrc-power_supply"), + { } +}; + +static const struct software_node vexia_edu_atla10_9v_pmic_node = { + .properties = vexia_edu_atla10_9v_pmic_props, +}; + +static const struct x86_i2c_client_info vexia_edu_atla10_9v_i2c_clients[] __initconst = { + { + /* I2C attached embedded controller, used to access fuel-gauge */ + .board_info = { + .type = "vexia_atla10_ec", + .addr = 0x76, + .dev_name = "ulpmc", + .swnode = &vexia_edu_atla10_9v_ulpmc_node, + }, + .adapter_path = "0000:00:18.1", + }, { + /* RT5642 audio codec */ + .board_info = { + .type = "rt5640", + .addr = 0x1c, + .dev_name = "rt5640", + }, + .adapter_path = "0000:00:18.2", + .irq_data = { + .type = X86_ACPI_IRQ_TYPE_GPIOINT, + .chip = "INT33FC:02", + .index = 4, + .trigger = ACPI_EDGE_SENSITIVE, + .polarity = ACPI_ACTIVE_HIGH, + .con_id = "rt5640_irq", + }, + }, { + /* kxtj21009 accelerometer */ + .board_info = { + .type = "kxtj21009", + .addr = 0x0f, + .dev_name = "kxtj21009", + .swnode = &vexia_edu_atla10_9v_accel_node, + }, + .adapter_path = "0000:00:18.5", + }, { + /* FT5416DQ9 touchscreen controller */ + .board_info = { + .type = "hid-over-i2c", + .addr = 0x38, + .dev_name = "FTSC1000", + .swnode = &vexia_edu_atla10_9v_touchscreen_node, + }, + .adapter_path = "0000:00:18.6", + .irq_data = { + .type = X86_ACPI_IRQ_TYPE_APIC, + .index = 0x45, + .trigger = ACPI_LEVEL_SENSITIVE, + .polarity = ACPI_ACTIVE_HIGH, + }, + }, { + /* Crystal Cove PMIC */ + .board_info = { + .type = "intel_soc_pmic_crc", + .addr = 0x6e, + .dev_name = "intel_soc_pmic_crc", + .swnode = &vexia_edu_atla10_9v_pmic_node, + }, + .adapter_path = "0000:00:18.7", + .irq_data = { + .type = X86_ACPI_IRQ_TYPE_APIC, + .index = 0x43, + .trigger = ACPI_LEVEL_SENSITIVE, + .polarity = ACPI_ACTIVE_HIGH, + }, + } +}; + +static const struct x86_serdev_info vexia_edu_atla10_9v_serdevs[] __initconst = { + { + .ctrl.pci.devfn = PCI_DEVFN(0x1e, 3), + .ctrl_devname = "serial0", + .serdev_hid = "OBDA8723", + }, +}; + +static struct gpiod_lookup_table vexia_edu_atla10_9v_ft5416_gpios = { + .dev_id = "i2c-FTSC1000", + .table = { + GPIO_LOOKUP("INT33FC:00", 60, "reset", GPIO_ACTIVE_LOW), + { } + }, +}; + +static struct gpiod_lookup_table * const vexia_edu_atla10_9v_gpios[] = { + &vexia_edu_atla10_9v_ft5416_gpios, + NULL +}; + +static int __init vexia_edu_atla10_9v_init(struct device *dev) +{ + struct pci_dev *pdev; + int ret; + + /* Enable the Wifi module by setting the wifi_enable pin to 1 */ + ret = x86_android_tablet_get_gpiod("INT33FC:02", 20, "wifi_enable", + false, GPIOD_OUT_HIGH, NULL); + if (ret) + return ret; + + /* Reprobe the SDIO controller to enumerate the now enabled Wifi module */ + pdev = pci_get_domain_bus_and_slot(0, 0, PCI_DEVFN(0x11, 0)); + if (!pdev) + return -EPROBE_DEFER; + + ret = device_reprobe(&pdev->dev); + if (ret) + pci_warn(pdev, "Reprobing error: %d\n", ret); + + pci_dev_put(pdev); + return 0; +} + +const struct x86_dev_info vexia_edu_atla10_9v_info __initconst = { + .i2c_client_info = vexia_edu_atla10_9v_i2c_clients, + .i2c_client_count = ARRAY_SIZE(vexia_edu_atla10_9v_i2c_clients), + .serdev_info = vexia_edu_atla10_9v_serdevs, + .serdev_count = ARRAY_SIZE(vexia_edu_atla10_9v_serdevs), + .gpiod_lookup_tables = vexia_edu_atla10_9v_gpios, + .init = vexia_edu_atla10_9v_init, + .use_pci = true, +}; + +/* + * The firmware node for ktd2026 on Xaomi pad2. It composed of a RGB LED node + * with three subnodes for each color (B/G/R). The RGB LED node is named + * "multi-led" to align with the name in the device tree. + */ + +/* Main firmware node for ktd2026 */ +static const struct software_node ktd2026_node = { + .name = "ktd2026", +}; + +static const struct property_entry ktd2026_rgb_led_props[] = { + PROPERTY_ENTRY_U32("reg", 0), + PROPERTY_ENTRY_U32("color", LED_COLOR_ID_RGB), + PROPERTY_ENTRY_STRING("label", "mipad2:rgb:indicator"), + PROPERTY_ENTRY_STRING("linux,default-trigger", "bq27520-0-charging-orange-full-green"), + { } +}; + +static const struct software_node ktd2026_rgb_led_node = { + .name = "multi-led", + .properties = ktd2026_rgb_led_props, + .parent = &ktd2026_node, +}; + +static const struct property_entry ktd2026_blue_led_props[] = { + PROPERTY_ENTRY_U32("reg", 0), + PROPERTY_ENTRY_U32("color", LED_COLOR_ID_BLUE), + { } +}; + +static const struct software_node ktd2026_blue_led_node = { + .properties = ktd2026_blue_led_props, + .parent = &ktd2026_rgb_led_node, +}; + +static const struct property_entry ktd2026_green_led_props[] = { + PROPERTY_ENTRY_U32("reg", 1), + PROPERTY_ENTRY_U32("color", LED_COLOR_ID_GREEN), + { } +}; + +static const struct software_node ktd2026_green_led_node = { + .properties = ktd2026_green_led_props, + .parent = &ktd2026_rgb_led_node, +}; + +static const struct property_entry ktd2026_red_led_props[] = { + PROPERTY_ENTRY_U32("reg", 2), + PROPERTY_ENTRY_U32("color", LED_COLOR_ID_RED), + { } +}; + +static const struct software_node ktd2026_red_led_node = { + .properties = ktd2026_red_led_props, + .parent = &ktd2026_rgb_led_node, +}; + +static const struct software_node *ktd2026_node_group[] = { + &ktd2026_node, + &ktd2026_rgb_led_node, + &ktd2026_red_led_node, + &ktd2026_green_led_node, + &ktd2026_blue_led_node, + NULL +}; + +/* + * For the LEDs which backlight the Menu / Home / Back capacitive buttons on + * the bottom bezel. These are attached to a TPS61158 LED controller which + * is controlled by the "pwm_soc_lpss_2" PWM output. + */ +#define XIAOMI_MIPAD2_LED_PERIOD_NS 19200 +#define XIAOMI_MIPAD2_LED_MAX_DUTY_NS 6000 /* From Android kernel */ + +static struct pwm_device *xiaomi_mipad2_led_pwm; + +static int xiaomi_mipad2_brightness_set(struct led_classdev *led_cdev, + enum led_brightness val) +{ + struct pwm_state state = { + .period = XIAOMI_MIPAD2_LED_PERIOD_NS, + .duty_cycle = XIAOMI_MIPAD2_LED_MAX_DUTY_NS * val / LED_FULL, + /* Always set PWM enabled to avoid the pin floating */ + .enabled = true, + }; + + return pwm_apply_might_sleep(xiaomi_mipad2_led_pwm, &state); +} + +static int __init xiaomi_mipad2_init(struct device *dev) +{ + struct led_classdev *led_cdev; + int ret; + + xiaomi_mipad2_led_pwm = devm_pwm_get(dev, "pwm_soc_lpss_2"); + if (IS_ERR(xiaomi_mipad2_led_pwm)) + return dev_err_probe(dev, PTR_ERR(xiaomi_mipad2_led_pwm), "getting pwm\n"); + + led_cdev = devm_kzalloc(dev, sizeof(*led_cdev), GFP_KERNEL); + if (!led_cdev) + return -ENOMEM; + + led_cdev->name = "mipad2:white:touch-buttons-backlight"; + led_cdev->max_brightness = LED_FULL; + led_cdev->default_trigger = "input-events"; + led_cdev->brightness_set_blocking = xiaomi_mipad2_brightness_set; + /* Turn LED off during suspend */ + led_cdev->flags = LED_CORE_SUSPENDRESUME; + + ret = devm_led_classdev_register(dev, led_cdev); + if (ret) + return dev_err_probe(dev, ret, "registering LED\n"); + + return software_node_register_node_group(ktd2026_node_group); +} + +static void xiaomi_mipad2_exit(void) +{ + software_node_unregister_node_group(ktd2026_node_group); +} + +/* * If the EFI bootloader is not Xiaomi's own signed Android loader, then the * Xiaomi Mi Pad 2 X86 tablet sets OSID in the DSDT to 1 (Windows), causing * a bunch of devices to be hidden. @@ -616,6 +975,7 @@ static const struct x86_i2c_client_info xiaomi_mipad2_i2c_clients[] __initconst .type = "ktd2026", .addr = 0x30, .dev_name = "ktd2026", + .swnode = &ktd2026_node, }, .adapter_path = "\\_SB_.PCI0.I2C3", }, @@ -624,4 +984,6 @@ static const struct x86_i2c_client_info xiaomi_mipad2_i2c_clients[] __initconst const struct x86_dev_info xiaomi_mipad2_info __initconst = { .i2c_client_info = xiaomi_mipad2_i2c_clients, .i2c_client_count = ARRAY_SIZE(xiaomi_mipad2_i2c_clients), + .init = xiaomi_mipad2_init, + .exit = xiaomi_mipad2_exit, }; diff --git a/drivers/platform/x86/x86-android-tablets/shared-psy-info.c b/drivers/platform/x86/x86-android-tablets/shared-psy-info.c index d2d0aa51bc3f..a46fa15acfb1 100644 --- a/drivers/platform/x86/x86-android-tablets/shared-psy-info.c +++ b/drivers/platform/x86/x86-android-tablets/shared-psy-info.c @@ -39,7 +39,7 @@ const struct software_node fg_bq25890_supply_node = { .properties = fg_bq25890_supply_props, }; -/* LiPo HighVoltage (max 4.35V) settings used by most devs with a HV bat. */ +/* LiPo HighVoltage (max 4.35V) settings used by most devs with a HV battery */ static const struct property_entry generic_lipo_hv_4v35_battery_props[] = { PROPERTY_ENTRY_STRING("compatible", "simple-battery"), PROPERTY_ENTRY_STRING("device-chemistry", "lithium-ion"), @@ -80,7 +80,7 @@ const char * const bq24190_modules[] __initconst = { NULL }; -/* Generic pdevs array and gpio-lookups for micro USB ID pin handling */ +/* Generic platform device array and GPIO lookup table for micro USB ID pin handling */ const struct platform_device_info int3496_pdevs[] __initconst = { { /* For micro USB ID pin handling */ diff --git a/drivers/platform/x86/x86-android-tablets/vexia_atla10_ec.c b/drivers/platform/x86/x86-android-tablets/vexia_atla10_ec.c new file mode 100644 index 000000000000..5d02af1c5aaa --- /dev/null +++ b/drivers/platform/x86/x86-android-tablets/vexia_atla10_ec.c @@ -0,0 +1,261 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * power_supply class (battery) driver for the I2C attached embedded controller + * found on Vexia EDU ATLA 10 (9V version) tablets. + * + * This is based on the ACPI Battery device in the DSDT which should work + * expect that it expects the I2C controller to be enumerated as an ACPI + * device and the tablet's BIOS enumerates all LPSS devices as PCI devices + * (and changing the LPSS BIOS settings from PCI -> ACPI does not work). + * + * Copyright (c) 2024 Hans de Goede <hansg@kernel.org> + */ + +#include <linux/bits.h> +#include <linux/devm-helpers.h> +#include <linux/err.h> +#include <linux/i2c.h> +#include <linux/module.h> +#include <linux/power_supply.h> +#include <linux/types.h> +#include <linux/workqueue.h> + +#include <asm/byteorder.h> + +/* State field uses ACPI Battery spec status bits */ +#define ACPI_BATTERY_STATE_DISCHARGING BIT(0) +#define ACPI_BATTERY_STATE_CHARGING BIT(1) + +#define ATLA10_EC_BATTERY_STATE_COMMAND 0x87 +#define ATLA10_EC_BATTERY_INFO_COMMAND 0x88 + +/* From broken ACPI battery device in DSDT */ +#define ATLA10_EC_VOLTAGE_MIN_DESIGN_uV 3750000 + +/* Update data every 5 seconds */ +#define UPDATE_INTERVAL_JIFFIES (5 * HZ) + +struct atla10_ec_battery_state { + u8 status; /* Using ACPI Battery spec status bits */ + u8 capacity; /* Percent */ + __le16 charge_now_mAh; + __le16 voltage_now_mV; + __le16 current_now_mA; + __le16 charge_full_mAh; + __le16 temp; /* centi degrees Celsius */ +} __packed; + +struct atla10_ec_battery_info { + __le16 charge_full_design_mAh; + __le16 voltage_now_mV; /* Should be design voltage, but is not ? */ + __le16 charge_full_design2_mAh; +} __packed; + +struct atla10_ec_data { + struct i2c_client *client; + struct power_supply *psy; + struct delayed_work work; + struct mutex update_lock; + struct atla10_ec_battery_info info; + struct atla10_ec_battery_state state; + bool valid; /* true if state is valid */ + unsigned long last_update; /* In jiffies */ +}; + +static int atla10_ec_cmd(struct atla10_ec_data *data, u8 cmd, u8 len, u8 *values) +{ + struct device *dev = &data->client->dev; + u8 buf[I2C_SMBUS_BLOCK_MAX]; + int ret; + + ret = i2c_smbus_read_block_data(data->client, cmd, buf); + if (ret != len) { + dev_err(dev, "I2C command 0x%02x error: %d\n", cmd, ret); + return -EIO; + } + + memcpy(values, buf, len); + return 0; +} + +static int atla10_ec_update(struct atla10_ec_data *data) +{ + int ret; + + if (data->valid && time_before(jiffies, data->last_update + UPDATE_INTERVAL_JIFFIES)) + return 0; + + ret = atla10_ec_cmd(data, ATLA10_EC_BATTERY_STATE_COMMAND, + sizeof(data->state), (u8 *)&data->state); + if (ret) + return ret; + + data->last_update = jiffies; + data->valid = true; + return 0; +} + +static int atla10_ec_psy_get_property(struct power_supply *psy, + enum power_supply_property psp, + union power_supply_propval *val) +{ + struct atla10_ec_data *data = power_supply_get_drvdata(psy); + int charge_now_mAh, charge_full_mAh, ret; + + guard(mutex)(&data->update_lock); + + ret = atla10_ec_update(data); + if (ret) + return ret; + + switch (psp) { + case POWER_SUPPLY_PROP_STATUS: + if (data->state.status & ACPI_BATTERY_STATE_DISCHARGING) + val->intval = POWER_SUPPLY_STATUS_DISCHARGING; + else if (data->state.status & ACPI_BATTERY_STATE_CHARGING) + val->intval = POWER_SUPPLY_STATUS_CHARGING; + else if (data->state.capacity == 100) + val->intval = POWER_SUPPLY_STATUS_FULL; + else + val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING; + break; + case POWER_SUPPLY_PROP_CAPACITY: + val->intval = data->state.capacity; + break; + case POWER_SUPPLY_PROP_CHARGE_NOW: + /* + * The EC has a bug where it reports charge-full-design as + * charge-now when the battery is full. Clamp charge-now to + * charge-full to workaround this. + */ + charge_now_mAh = le16_to_cpu(data->state.charge_now_mAh); + charge_full_mAh = le16_to_cpu(data->state.charge_full_mAh); + val->intval = min(charge_now_mAh, charge_full_mAh) * 1000; + break; + case POWER_SUPPLY_PROP_VOLTAGE_NOW: + val->intval = le16_to_cpu(data->state.voltage_now_mV) * 1000; + break; + case POWER_SUPPLY_PROP_CURRENT_NOW: + val->intval = le16_to_cpu(data->state.current_now_mA) * 1000; + /* + * Documentation/ABI/testing/sysfs-class-power specifies + * negative current for discharging. + */ + if (data->state.status & ACPI_BATTERY_STATE_DISCHARGING) + val->intval = -val->intval; + break; + case POWER_SUPPLY_PROP_CHARGE_FULL: + val->intval = le16_to_cpu(data->state.charge_full_mAh) * 1000; + break; + case POWER_SUPPLY_PROP_TEMP: + val->intval = le16_to_cpu(data->state.temp) / 10; + break; + case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: + val->intval = le16_to_cpu(data->info.charge_full_design_mAh) * 1000; + break; + case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: + val->intval = ATLA10_EC_VOLTAGE_MIN_DESIGN_uV; + break; + case POWER_SUPPLY_PROP_PRESENT: + val->intval = 1; + break; + case POWER_SUPPLY_PROP_TECHNOLOGY: + val->intval = POWER_SUPPLY_TECHNOLOGY_LIPO; + break; + default: + return -EINVAL; + } + + return 0; +} + +static void atla10_ec_external_power_changed_work(struct work_struct *work) +{ + struct atla10_ec_data *data = container_of(work, struct atla10_ec_data, work.work); + + dev_dbg(&data->client->dev, "External power changed\n"); + data->valid = false; + power_supply_changed(data->psy); +} + +static void atla10_ec_external_power_changed(struct power_supply *psy) +{ + struct atla10_ec_data *data = power_supply_get_drvdata(psy); + + /* After charger plug in/out wait 0.5s for things to stabilize */ + mod_delayed_work(system_wq, &data->work, HZ / 2); +} + +static const enum power_supply_property atla10_ec_psy_props[] = { + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_CAPACITY, + POWER_SUPPLY_PROP_CHARGE_NOW, + POWER_SUPPLY_PROP_VOLTAGE_NOW, + POWER_SUPPLY_PROP_CURRENT_NOW, + POWER_SUPPLY_PROP_CHARGE_FULL, + POWER_SUPPLY_PROP_TEMP, + POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, + POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, + POWER_SUPPLY_PROP_PRESENT, + POWER_SUPPLY_PROP_TECHNOLOGY, +}; + +static const struct power_supply_desc atla10_ec_psy_desc = { + .name = "atla10_ec_battery", + .type = POWER_SUPPLY_TYPE_BATTERY, + .properties = atla10_ec_psy_props, + .num_properties = ARRAY_SIZE(atla10_ec_psy_props), + .get_property = atla10_ec_psy_get_property, + .external_power_changed = atla10_ec_external_power_changed, +}; + +static int atla10_ec_probe(struct i2c_client *client) +{ + struct power_supply_config psy_cfg = { }; + struct device *dev = &client->dev; + struct atla10_ec_data *data; + int ret; + + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + psy_cfg.drv_data = data; + data->client = client; + + ret = devm_mutex_init(dev, &data->update_lock); + if (ret) + return ret; + + ret = devm_delayed_work_autocancel(dev, &data->work, + atla10_ec_external_power_changed_work); + if (ret) + return ret; + + ret = atla10_ec_cmd(data, ATLA10_EC_BATTERY_INFO_COMMAND, + sizeof(data->info), (u8 *)&data->info); + if (ret) + return ret; + + data->psy = devm_power_supply_register(dev, &atla10_ec_psy_desc, &psy_cfg); + return PTR_ERR_OR_ZERO(data->psy); +} + +static const struct i2c_device_id atla10_ec_id_table[] = { + { "vexia_atla10_ec" }, + { } +}; +MODULE_DEVICE_TABLE(i2c, atla10_ec_id_table); + +static struct i2c_driver atla10_ec_driver = { + .driver = { + .name = "vexia_atla10_ec", + }, + .probe = atla10_ec_probe, + .id_table = atla10_ec_id_table, +}; +module_i2c_driver(atla10_ec_driver); + +MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>"); +MODULE_DESCRIPTION("Battery driver for Vexia EDU ATLA 10 tablet EC"); +MODULE_LICENSE("GPL"); diff --git a/drivers/platform/x86/x86-android-tablets/x86-android-tablets.h b/drivers/platform/x86/x86-android-tablets/x86-android-tablets.h index 468993edfeee..dcf8d49e3b5f 100644 --- a/drivers/platform/x86/x86-android-tablets/x86-android-tablets.h +++ b/drivers/platform/x86/x86-android-tablets/x86-android-tablets.h @@ -57,11 +57,18 @@ struct x86_spi_dev_info { }; struct x86_serdev_info { - const char *ctrl_hid; - const char *ctrl_uid; + union { + struct { + const char *hid; + const char *uid; + } acpi; + struct { + unsigned int devfn; + } pci; + } ctrl; const char *ctrl_devname; /* - * ATM the serdev core only supports of or ACPI matching; and sofar all + * ATM the serdev core only supports of or ACPI matching; and so far all * Android x86 tablets DSDTs have usable serdev nodes, but sometimes * under the wrong controller. So we just tie the existing serdev ACPI * node to the right controller. @@ -89,8 +96,9 @@ struct x86_dev_info { int pdev_count; int serdev_count; int gpio_button_count; - int (*init)(void); + int (*init)(struct device *dev); void (*exit)(void); + bool use_pci; }; int x86_android_tablet_get_gpiod(const char *chip, int pin, const char *con_id, @@ -112,12 +120,15 @@ extern const struct x86_dev_info czc_p10t; extern const struct x86_dev_info lenovo_yogabook_x90_info; extern const struct x86_dev_info lenovo_yogabook_x91_info; extern const struct x86_dev_info lenovo_yoga_tab2_830_1050_info; +extern const struct x86_dev_info lenovo_yoga_tab2_1380_info; extern const struct x86_dev_info lenovo_yt3_info; extern const struct x86_dev_info medion_lifetab_s10346_info; extern const struct x86_dev_info nextbook_ares8_info; extern const struct x86_dev_info nextbook_ares8a_info; extern const struct x86_dev_info peaq_c1010_info; extern const struct x86_dev_info whitelabel_tm800a550l_info; +extern const struct x86_dev_info vexia_edu_atla10_5v_info; +extern const struct x86_dev_info vexia_edu_atla10_9v_info; extern const struct x86_dev_info xiaomi_mipad2_info; extern const struct dmi_system_id x86_android_tablet_ids[]; |