diff options
Diffstat (limited to 'drivers/platform/x86/x86-android-tablets/other.c')
| -rw-r--r-- | drivers/platform/x86/x86-android-tablets/other.c | 392 |
1 files changed, 377 insertions, 15 deletions
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, }; |