diff options
Diffstat (limited to 'drivers/platform')
-rw-r--r-- | drivers/platform/x86/intel/int3472/clk_and_regulator.c | 54 | ||||
-rw-r--r-- | drivers/platform/x86/intel/int3472/common.h | 7 | ||||
-rw-r--r-- | drivers/platform/x86/intel/int3472/discrete.c | 103 | ||||
-rw-r--r-- | drivers/platform/x86/intel/int3472/led.c | 24 | ||||
-rw-r--r-- | drivers/platform/x86/x86-android-tablets/asus.c | 1 | ||||
-rw-r--r-- | drivers/platform/x86/x86-android-tablets/core.c | 117 | ||||
-rw-r--r-- | drivers/platform/x86/x86-android-tablets/lenovo.c | 29 | ||||
-rw-r--r-- | drivers/platform/x86/x86-android-tablets/other.c | 11 | ||||
-rw-r--r-- | drivers/platform/x86/x86-android-tablets/x86-android-tablets.h | 7 |
9 files changed, 187 insertions, 166 deletions
diff --git a/drivers/platform/x86/intel/int3472/clk_and_regulator.c b/drivers/platform/x86/intel/int3472/clk_and_regulator.c index ef4b3141efcd..16e36ac0a7b4 100644 --- a/drivers/platform/x86/intel/int3472/clk_and_regulator.c +++ b/drivers/platform/x86/intel/int3472/clk_and_regulator.c @@ -162,9 +162,8 @@ out_free_init_name: } int skl_int3472_register_gpio_clock(struct int3472_discrete_device *int3472, - struct acpi_resource_gpio *agpio, u32 polarity) + struct gpio_desc *gpio) { - char *path = agpio->resource_source.string_ptr; struct clk_init_data init = { .ops = &skl_int3472_clock_ops, .flags = CLK_GET_RATE_NOCACHE, @@ -174,26 +173,12 @@ int skl_int3472_register_gpio_clock(struct int3472_discrete_device *int3472, if (int3472->clock.cl) return -EBUSY; - int3472->clock.ena_gpio = acpi_get_and_request_gpiod(path, agpio->pin_table[0], - "int3472,clk-enable"); - if (IS_ERR(int3472->clock.ena_gpio)) { - ret = PTR_ERR(int3472->clock.ena_gpio); - int3472->clock.ena_gpio = NULL; - return dev_err_probe(int3472->dev, ret, "getting clk-enable GPIO\n"); - } - - if (polarity == GPIO_ACTIVE_LOW) - gpiod_toggle_active_low(int3472->clock.ena_gpio); - - /* Ensure the pin is in output mode and non-active state */ - gpiod_direction_output(int3472->clock.ena_gpio, 0); + int3472->clock.ena_gpio = gpio; init.name = kasprintf(GFP_KERNEL, "%s-clk", acpi_dev_name(int3472->adev)); - if (!init.name) { - ret = -ENOMEM; - goto out_put_gpio; - } + if (!init.name) + return -ENOMEM; int3472->clock.frequency = skl_int3472_get_clk_frequency(int3472); @@ -219,8 +204,6 @@ err_unregister_clk: clk_unregister(int3472->clock.clk); out_free_init_name: kfree(init.name); -out_put_gpio: - gpiod_put(int3472->clock.ena_gpio); return ret; } @@ -232,7 +215,6 @@ void skl_int3472_unregister_clock(struct int3472_discrete_device *int3472) clkdev_drop(int3472->clock.cl); clk_unregister(int3472->clock.clk); - gpiod_put(int3472->clock.ena_gpio); } /* @@ -273,14 +255,13 @@ static const struct dmi_system_id skl_int3472_regulator_second_sensor[] = { }; int skl_int3472_register_regulator(struct int3472_discrete_device *int3472, - struct acpi_resource_gpio *agpio) + struct gpio_desc *gpio) { - char *path = agpio->resource_source.string_ptr; struct regulator_init_data init_data = { }; struct regulator_config cfg = { }; const char *second_sensor = NULL; const struct dmi_system_id *id; - int i, j, ret; + int i, j; id = dmi_first_match(skl_int3472_regulator_second_sensor); if (id) @@ -314,16 +295,7 @@ int skl_int3472_register_regulator(struct int3472_discrete_device *int3472, int3472->regulator.supply_name, &int3472_gpio_regulator_ops); - int3472->regulator.gpio = acpi_get_and_request_gpiod(path, agpio->pin_table[0], - "int3472,regulator"); - if (IS_ERR(int3472->regulator.gpio)) { - ret = PTR_ERR(int3472->regulator.gpio); - int3472->regulator.gpio = NULL; - return dev_err_probe(int3472->dev, ret, "getting regulator GPIO\n"); - } - - /* Ensure the pin is in output mode and non-active state */ - gpiod_direction_output(int3472->regulator.gpio, 0); + int3472->regulator.gpio = gpio; cfg.dev = &int3472->adev->dev; cfg.init_data = &init_data; @@ -332,21 +304,11 @@ int skl_int3472_register_regulator(struct int3472_discrete_device *int3472, int3472->regulator.rdev = regulator_register(int3472->dev, &int3472->regulator.rdesc, &cfg); - if (IS_ERR(int3472->regulator.rdev)) { - ret = PTR_ERR(int3472->regulator.rdev); - goto err_free_gpio; - } - return 0; - -err_free_gpio: - gpiod_put(int3472->regulator.gpio); - - return ret; + return PTR_ERR_OR_ZERO(int3472->regulator.rdev); } void skl_int3472_unregister_regulator(struct int3472_discrete_device *int3472) { regulator_unregister(int3472->regulator.rdev); - gpiod_put(int3472->regulator.gpio); } diff --git a/drivers/platform/x86/intel/int3472/common.h b/drivers/platform/x86/intel/int3472/common.h index 9f29baa13860..145dec66df64 100644 --- a/drivers/platform/x86/intel/int3472/common.h +++ b/drivers/platform/x86/intel/int3472/common.h @@ -117,16 +117,15 @@ int skl_int3472_get_sensor_adev_and_name(struct device *dev, const char **name_ret); int skl_int3472_register_gpio_clock(struct int3472_discrete_device *int3472, - struct acpi_resource_gpio *agpio, u32 polarity); + struct gpio_desc *gpio); int skl_int3472_register_dsm_clock(struct int3472_discrete_device *int3472); void skl_int3472_unregister_clock(struct int3472_discrete_device *int3472); int skl_int3472_register_regulator(struct int3472_discrete_device *int3472, - struct acpi_resource_gpio *agpio); + struct gpio_desc *gpio); void skl_int3472_unregister_regulator(struct int3472_discrete_device *int3472); -int skl_int3472_register_pled(struct int3472_discrete_device *int3472, - struct acpi_resource_gpio *agpio, u32 polarity); +int skl_int3472_register_pled(struct int3472_discrete_device *int3472, struct gpio_desc *gpio); void skl_int3472_unregister_pled(struct int3472_discrete_device *int3472); #endif diff --git a/drivers/platform/x86/intel/int3472/discrete.c b/drivers/platform/x86/intel/int3472/discrete.c index e33c2d75975c..07b302e09340 100644 --- a/drivers/platform/x86/intel/int3472/discrete.c +++ b/drivers/platform/x86/intel/int3472/discrete.c @@ -52,21 +52,15 @@ static void skl_int3472_log_sensor_module_name(struct int3472_discrete_device *i } } -static int skl_int3472_map_gpio_to_sensor(struct int3472_discrete_device *int3472, - struct acpi_resource_gpio *agpio, - const char *func, u32 polarity) +static int skl_int3472_fill_gpiod_lookup(struct gpiod_lookup *table_entry, + struct acpi_resource_gpio *agpio, + const char *func, u32 polarity) { char *path = agpio->resource_source.string_ptr; - struct gpiod_lookup *table_entry; struct acpi_device *adev; acpi_handle handle; acpi_status status; - if (int3472->n_sensor_gpios >= INT3472_MAX_SENSOR_GPIOS) { - dev_warn(int3472->dev, "Too many GPIOs mapped\n"); - return -EINVAL; - } - status = acpi_get_handle(NULL, path, &handle); if (ACPI_FAILURE(status)) return -EINVAL; @@ -75,18 +69,62 @@ static int skl_int3472_map_gpio_to_sensor(struct int3472_discrete_device *int347 if (!adev) return -ENODEV; - table_entry = &int3472->gpios.table[int3472->n_sensor_gpios]; table_entry->key = acpi_dev_name(adev); table_entry->chip_hwnum = agpio->pin_table[0]; table_entry->con_id = func; table_entry->idx = 0; table_entry->flags = polarity; + return 0; +} + +static int skl_int3472_map_gpio_to_sensor(struct int3472_discrete_device *int3472, + struct acpi_resource_gpio *agpio, + const char *func, u32 polarity) +{ + int ret; + + if (int3472->n_sensor_gpios >= INT3472_MAX_SENSOR_GPIOS) { + dev_warn(int3472->dev, "Too many GPIOs mapped\n"); + return -EINVAL; + } + + ret = skl_int3472_fill_gpiod_lookup(&int3472->gpios.table[int3472->n_sensor_gpios], + agpio, func, polarity); + if (ret) + return ret; + int3472->n_sensor_gpios++; return 0; } +/* This should *really* only be used when there's no other way... */ +static struct gpio_desc * +skl_int3472_gpiod_get_from_temp_lookup(struct int3472_discrete_device *int3472, + struct acpi_resource_gpio *agpio, + const char *func, u32 polarity) +{ + struct gpio_desc *desc; + int ret; + + struct gpiod_lookup_table *lookup __free(kfree) = + kzalloc(struct_size(lookup, table, 2), GFP_KERNEL); + if (!lookup) + return ERR_PTR(-ENOMEM); + + lookup->dev_id = dev_name(int3472->dev); + ret = skl_int3472_fill_gpiod_lookup(&lookup->table[0], agpio, func, polarity); + if (ret) + return ERR_PTR(ret); + + gpiod_add_lookup_table(lookup); + desc = devm_gpiod_get(int3472->dev, func, GPIOD_OUT_LOW); + gpiod_remove_lookup_table(lookup); + + return desc; +} + static void int3472_get_func_and_polarity(u8 type, const char **func, u32 *polarity) { switch (type) { @@ -156,6 +194,7 @@ static int skl_int3472_handle_gpio_resources(struct acpi_resource *ares, struct acpi_resource_gpio *agpio; u8 active_value, pin, type; union acpi_object *obj; + struct gpio_desc *gpio; const char *err_msg; const char *func; u32 polarity; @@ -206,22 +245,38 @@ static int skl_int3472_handle_gpio_resources(struct acpi_resource *ares, break; case INT3472_GPIO_TYPE_CLK_ENABLE: - ret = skl_int3472_register_gpio_clock(int3472, agpio, polarity); - if (ret) - err_msg = "Failed to register clock\n"; - - break; case INT3472_GPIO_TYPE_PRIVACY_LED: - ret = skl_int3472_register_pled(int3472, agpio, polarity); - if (ret) - err_msg = "Failed to register LED\n"; - - break; case INT3472_GPIO_TYPE_POWER_ENABLE: - ret = skl_int3472_register_regulator(int3472, agpio); - if (ret) - err_msg = "Failed to map regulator to sensor\n"; - + gpio = skl_int3472_gpiod_get_from_temp_lookup(int3472, agpio, func, polarity); + if (IS_ERR(gpio)) { + ret = PTR_ERR(gpio); + err_msg = "Failed to get GPIO\n"; + break; + } + + switch (type) { + case INT3472_GPIO_TYPE_CLK_ENABLE: + ret = skl_int3472_register_gpio_clock(int3472, gpio); + if (ret) + err_msg = "Failed to register clock\n"; + + break; + case INT3472_GPIO_TYPE_PRIVACY_LED: + ret = skl_int3472_register_pled(int3472, gpio); + if (ret) + err_msg = "Failed to register LED\n"; + + break; + case INT3472_GPIO_TYPE_POWER_ENABLE: + ret = skl_int3472_register_regulator(int3472, gpio); + if (ret) + err_msg = "Failed to map regulator to sensor\n"; + + break; + default: /* Never reached */ + ret = -EINVAL; + break; + } break; default: dev_warn(int3472->dev, diff --git a/drivers/platform/x86/intel/int3472/led.c b/drivers/platform/x86/intel/int3472/led.c index bca1ce7d0d0c..9cbed694e2ca 100644 --- a/drivers/platform/x86/intel/int3472/led.c +++ b/drivers/platform/x86/intel/int3472/led.c @@ -16,26 +16,15 @@ static int int3472_pled_set(struct led_classdev *led_cdev, return 0; } -int skl_int3472_register_pled(struct int3472_discrete_device *int3472, - struct acpi_resource_gpio *agpio, u32 polarity) +int skl_int3472_register_pled(struct int3472_discrete_device *int3472, struct gpio_desc *gpio) { - char *p, *path = agpio->resource_source.string_ptr; + char *p; int ret; if (int3472->pled.classdev.dev) return -EBUSY; - int3472->pled.gpio = acpi_get_and_request_gpiod(path, agpio->pin_table[0], - "int3472,privacy-led"); - if (IS_ERR(int3472->pled.gpio)) - return dev_err_probe(int3472->dev, PTR_ERR(int3472->pled.gpio), - "getting privacy LED GPIO\n"); - - if (polarity == GPIO_ACTIVE_LOW) - gpiod_toggle_active_low(int3472->pled.gpio); - - /* Ensure the pin is in output mode and non-active state */ - gpiod_direction_output(int3472->pled.gpio, 0); + int3472->pled.gpio = gpio; /* Generate the name, replacing the ':' in the ACPI devname with '_' */ snprintf(int3472->pled.name, sizeof(int3472->pled.name), @@ -50,7 +39,7 @@ int skl_int3472_register_pled(struct int3472_discrete_device *int3472, ret = led_classdev_register(int3472->dev, &int3472->pled.classdev); if (ret) - goto err_free_gpio; + return ret; int3472->pled.lookup.provider = int3472->pled.name; int3472->pled.lookup.dev_id = int3472->sensor_name; @@ -58,10 +47,6 @@ int skl_int3472_register_pled(struct int3472_discrete_device *int3472, led_add_lookup(&int3472->pled.lookup); return 0; - -err_free_gpio: - gpiod_put(int3472->pled.gpio); - return ret; } void skl_int3472_unregister_pled(struct int3472_discrete_device *int3472) @@ -71,5 +56,4 @@ void skl_int3472_unregister_pled(struct int3472_discrete_device *int3472) led_remove_lookup(&int3472->pled.lookup); led_classdev_unregister(&int3472->pled.classdev); - gpiod_put(int3472->pled.gpio); } diff --git a/drivers/platform/x86/x86-android-tablets/asus.c b/drivers/platform/x86/x86-android-tablets/asus.c index f9c4083be86d..227afbb51078 100644 --- a/drivers/platform/x86/x86-android-tablets/asus.c +++ b/drivers/platform/x86/x86-android-tablets/asus.c @@ -303,6 +303,7 @@ static const struct x86_i2c_client_info asus_tf103c_i2c_clients[] __initconst = .index = 28, .trigger = ACPI_EDGE_SENSITIVE, .polarity = ACPI_ACTIVE_LOW, + .con_id = "atmel_mxt_ts_irq", }, }, }; diff --git a/drivers/platform/x86/x86-android-tablets/core.c b/drivers/platform/x86/x86-android-tablets/core.c index 2fd6060a31bb..8a1f22aaac00 100644 --- a/drivers/platform/x86/x86-android-tablets/core.c +++ b/drivers/platform/x86/x86-android-tablets/core.c @@ -12,7 +12,7 @@ #include <linux/acpi.h> #include <linux/dmi.h> -#include <linux/gpio/driver.h> +#include <linux/gpio/consumer.h> #include <linux/gpio/machine.h> #include <linux/irq.h> #include <linux/module.h> @@ -21,33 +21,39 @@ #include <linux/string.h> #include "x86-android-tablets.h" -/* For gpiochip_get_desc() which is EXPORT_SYMBOL_GPL() */ -#include "../../../gpio/gpiolib.h" -#include "../../../gpio/gpiolib-acpi.h" -static int gpiochip_find_match_label(struct gpio_chip *gc, void *data) -{ - return gc->label && !strcmp(gc->label, data); -} +static struct platform_device *x86_android_tablet_device; -int x86_android_tablet_get_gpiod(const char *label, int pin, struct gpio_desc **desc) +int x86_android_tablet_get_gpiod(const char *chip, int pin, const char *con_id, + bool active_low, enum gpiod_flags dflags, + struct gpio_desc **desc) { + struct gpiod_lookup_table *lookup; struct gpio_desc *gpiod; - struct gpio_chip *chip; - chip = gpiochip_find((void *)label, gpiochip_find_match_label); - if (!chip) { - pr_err("error cannot find GPIO chip %s\n", label); - return -ENODEV; - } + lookup = kzalloc(struct_size(lookup, table, 2), GFP_KERNEL); + if (!lookup) + 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; + + gpiod_add_lookup_table(lookup); + gpiod = devm_gpiod_get(&x86_android_tablet_device->dev, con_id, dflags); + gpiod_remove_lookup_table(lookup); + kfree(lookup); - gpiod = gpiochip_get_desc(chip, pin); if (IS_ERR(gpiod)) { - pr_err("error %ld getting GPIO %s %d\n", PTR_ERR(gpiod), label, pin); + pr_err("error %ld getting GPIO %s %d\n", PTR_ERR(gpiod), chip, pin); return PTR_ERR(gpiod); } - *desc = gpiod; + if (desc) + *desc = gpiod; + return 0; } @@ -77,7 +83,8 @@ int x86_acpi_irq_helper_get(const struct x86_acpi_irq_data *data) return irq; case X86_ACPI_IRQ_TYPE_GPIOINT: /* Like acpi_dev_gpio_irq_get(), but without parsing ACPI resources */ - ret = x86_android_tablet_get_gpiod(data->chip, data->index, &gpiod); + ret = x86_android_tablet_get_gpiod(data->chip, data->index, data->con_id, + false, GPIOD_ASIS, &gpiod); if (ret) return ret; @@ -224,7 +231,7 @@ put_ctrl_adev: return ret; } -static void x86_android_tablet_cleanup(void) +static void x86_android_tablet_remove(struct platform_device *pdev) { int i; @@ -255,11 +262,10 @@ static void x86_android_tablet_cleanup(void) software_node_unregister(bat_swnode); } -static __init int x86_android_tablet_init(void) +static __init int x86_android_tablet_probe(struct platform_device *pdev) { const struct x86_dev_info *dev_info; const struct dmi_system_id *id; - struct gpio_chip *chip; int i, ret = 0; id = dmi_first_match(x86_android_tablet_ids); @@ -267,20 +273,8 @@ static __init int x86_android_tablet_init(void) return -ENODEV; dev_info = id->driver_data; - - /* - * The broken DSDTs on these devices often also include broken - * _AEI (ACPI Event Interrupt) handlers, disable these. - */ - if (dev_info->invalid_aei_gpiochip) { - chip = gpiochip_find(dev_info->invalid_aei_gpiochip, - gpiochip_find_match_label); - if (!chip) { - pr_err("error cannot find GPIO chip %s\n", dev_info->invalid_aei_gpiochip); - return -ENODEV; - } - acpi_gpiochip_free_interrupts(chip); - } + /* Allow x86_android_tablet_device use before probe() exits */ + x86_android_tablet_device = pdev; /* * Since this runs from module_init() it cannot use -EPROBE_DEFER, @@ -303,7 +297,7 @@ static __init int x86_android_tablet_init(void) if (dev_info->init) { ret = dev_info->init(); if (ret < 0) { - x86_android_tablet_cleanup(); + x86_android_tablet_remove(pdev); return ret; } exit_handler = dev_info->exit; @@ -311,7 +305,7 @@ static __init int x86_android_tablet_init(void) i2c_clients = kcalloc(dev_info->i2c_client_count, sizeof(*i2c_clients), GFP_KERNEL); if (!i2c_clients) { - x86_android_tablet_cleanup(); + x86_android_tablet_remove(pdev); return -ENOMEM; } @@ -319,7 +313,7 @@ static __init int x86_android_tablet_init(void) for (i = 0; i < i2c_client_count; i++) { ret = x86_instantiate_i2c_client(dev_info, i); if (ret < 0) { - x86_android_tablet_cleanup(); + x86_android_tablet_remove(pdev); return ret; } } @@ -327,7 +321,7 @@ static __init int x86_android_tablet_init(void) /* + 1 to make space for (optional) gpio_keys_button pdev */ pdevs = kcalloc(dev_info->pdev_count + 1, sizeof(*pdevs), GFP_KERNEL); if (!pdevs) { - x86_android_tablet_cleanup(); + x86_android_tablet_remove(pdev); return -ENOMEM; } @@ -335,14 +329,14 @@ static __init int x86_android_tablet_init(void) for (i = 0; i < pdev_count; i++) { pdevs[i] = platform_device_register_full(&dev_info->pdev_info[i]); if (IS_ERR(pdevs[i])) { - x86_android_tablet_cleanup(); + x86_android_tablet_remove(pdev); return PTR_ERR(pdevs[i]); } } serdevs = kcalloc(dev_info->serdev_count, sizeof(*serdevs), GFP_KERNEL); if (!serdevs) { - x86_android_tablet_cleanup(); + x86_android_tablet_remove(pdev); return -ENOMEM; } @@ -350,7 +344,7 @@ static __init int x86_android_tablet_init(void) for (i = 0; i < serdev_count; i++) { ret = x86_instantiate_serdev(&dev_info->serdev_info[i], i); if (ret < 0) { - x86_android_tablet_cleanup(); + x86_android_tablet_remove(pdev); return ret; } } @@ -361,30 +355,34 @@ static __init int x86_android_tablet_init(void) buttons = kcalloc(dev_info->gpio_button_count, sizeof(*buttons), GFP_KERNEL); if (!buttons) { - x86_android_tablet_cleanup(); + x86_android_tablet_remove(pdev); return -ENOMEM; } for (i = 0; i < dev_info->gpio_button_count; i++) { ret = x86_android_tablet_get_gpiod(dev_info->gpio_button[i].chip, - dev_info->gpio_button[i].pin, &gpiod); + dev_info->gpio_button[i].pin, + dev_info->gpio_button[i].button.desc, + false, GPIOD_IN, &gpiod); if (ret < 0) { - x86_android_tablet_cleanup(); + x86_android_tablet_remove(pdev); return ret; } buttons[i] = dev_info->gpio_button[i].button; buttons[i].gpio = desc_to_gpio(gpiod); + /* Release gpiod so that gpio-keys can request it */ + devm_gpiod_put(&x86_android_tablet_device->dev, gpiod); } pdata.buttons = buttons; pdata.nbuttons = dev_info->gpio_button_count; - pdevs[pdev_count] = platform_device_register_data(NULL, "gpio-keys", + pdevs[pdev_count] = platform_device_register_data(&pdev->dev, "gpio-keys", PLATFORM_DEVID_AUTO, &pdata, sizeof(pdata)); if (IS_ERR(pdevs[pdev_count])) { - x86_android_tablet_cleanup(); + x86_android_tablet_remove(pdev); return PTR_ERR(pdevs[pdev_count]); } pdev_count++; @@ -393,8 +391,29 @@ static __init int x86_android_tablet_init(void) return 0; } +static struct platform_driver x86_android_tablet_driver = { + .driver = { + .name = KBUILD_MODNAME, + }, + .remove_new = x86_android_tablet_remove, +}; + +static int __init x86_android_tablet_init(void) +{ + x86_android_tablet_device = platform_create_bundle(&x86_android_tablet_driver, + x86_android_tablet_probe, + NULL, 0, NULL, 0); + + return PTR_ERR_OR_ZERO(x86_android_tablet_device); +} module_init(x86_android_tablet_init); -module_exit(x86_android_tablet_cleanup); + +static void __exit x86_android_tablet_exit(void) +{ + platform_device_unregister(x86_android_tablet_device); + platform_driver_unregister(&x86_android_tablet_driver); +} +module_exit(x86_android_tablet_exit); MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>"); MODULE_DESCRIPTION("X86 Android tablets DSDT fixups driver"); diff --git a/drivers/platform/x86/x86-android-tablets/lenovo.c b/drivers/platform/x86/x86-android-tablets/lenovo.c index 26a4ef670ad7..5c803cdb5586 100644 --- a/drivers/platform/x86/x86-android-tablets/lenovo.c +++ b/drivers/platform/x86/x86-android-tablets/lenovo.c @@ -95,6 +95,7 @@ static const struct x86_i2c_client_info lenovo_yb1_x90_i2c_clients[] __initconst .index = 56, .trigger = ACPI_EDGE_SENSITIVE, .polarity = ACPI_ACTIVE_LOW, + .con_id = "goodix_ts_irq", }, }, { /* Wacom Digitizer in keyboard half */ @@ -111,6 +112,7 @@ static const struct x86_i2c_client_info lenovo_yb1_x90_i2c_clients[] __initconst .index = 49, .trigger = ACPI_LEVEL_SENSITIVE, .polarity = ACPI_ACTIVE_LOW, + .con_id = "wacom_irq", }, }, { /* LP8557 Backlight controller */ @@ -136,6 +138,7 @@ static const struct x86_i2c_client_info lenovo_yb1_x90_i2c_clients[] __initconst .index = 77, .trigger = ACPI_LEVEL_SENSITIVE, .polarity = ACPI_ACTIVE_LOW, + .con_id = "hideep_ts_irq", }, }, }; @@ -321,6 +324,7 @@ static struct x86_i2c_client_info lenovo_yoga_tab2_830_1050_i2c_clients[] __init .index = 2, .trigger = ACPI_EDGE_SENSITIVE, .polarity = ACPI_ACTIVE_HIGH, + .con_id = "bq24292i_irq", }, }, { /* BQ27541 fuel-gauge */ @@ -431,7 +435,8 @@ static int __init lenovo_yoga_tab2_830_1050_init_touchscreen(void) int ret; /* Use PMIC GPIO 10 bootstrap pin to differentiate 830 vs 1050 */ - ret = x86_android_tablet_get_gpiod("gpio_crystalcove", 10, &gpiod); + ret = x86_android_tablet_get_gpiod("gpio_crystalcove", 10, "yoga_bootstrap", + false, GPIOD_IN, &gpiod); if (ret) return ret; @@ -560,7 +565,6 @@ static const struct software_node fg_bq25890_1_supply_node = { /* 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_STRING("linux,power-supply-name", "bq25892-second-chrg"), PROPERTY_ENTRY_U32("linux,iinlim-percentage", 40), PROPERTY_ENTRY_BOOL("linux,skip-reset"), /* Values taken from Android Factory Image */ @@ -615,6 +619,7 @@ static const struct x86_i2c_client_info lenovo_yt3_i2c_clients[] __initconst = { .index = 5, .trigger = ACPI_EDGE_SENSITIVE, .polarity = ACPI_ACTIVE_LOW, + .con_id = "bq25892_0_irq", }, }, { /* bq27500 fuel-gauge for the round li-ion cells in the hinge */ @@ -640,6 +645,7 @@ static const struct x86_i2c_client_info lenovo_yt3_i2c_clients[] __initconst = { .index = 77, .trigger = ACPI_LEVEL_SENSITIVE, .polarity = ACPI_ACTIVE_LOW, + .con_id = "hideep_ts_irq", }, }, { /* LP8557 Backlight controller */ @@ -655,7 +661,6 @@ static const struct x86_i2c_client_info lenovo_yt3_i2c_clients[] __initconst = { static int __init lenovo_yt3_init(void) { - struct gpio_desc *gpiod; int ret; /* @@ -665,31 +670,23 @@ static int __init lenovo_yt3_init(void) * * The bq25890_charger driver controls these through I2C, but this only * works if not overridden by the pins. Set these pins here: - * 1. Set /CE to 0 to allow charging. + * 1. Set /CE to 1 to allow charging. * 2. Set OTG to 0 disable V5 boost output since the 5V boost output of * the main "bq25892_1" charger is used when necessary. */ /* /CE pin */ - ret = x86_android_tablet_get_gpiod("INT33FF:02", 22, &gpiod); + ret = x86_android_tablet_get_gpiod("INT33FF:02", 22, "bq25892_0_ce", + true, GPIOD_OUT_HIGH, NULL); if (ret < 0) return ret; - /* - * The gpio_desc returned by x86_android_tablet_get_gpiod() is a "raw" - * gpio_desc, that is there is no way to pass lookup-flags like - * GPIO_ACTIVE_LOW. Set the GPIO to 0 here to enable charging since - * the /CE pin is active-low, but not marked as such in the gpio_desc. - */ - gpiod_set_value(gpiod, 0); - /* OTG pin */ - ret = x86_android_tablet_get_gpiod("INT33FF:03", 19, &gpiod); + ret = x86_android_tablet_get_gpiod("INT33FF:03", 19, "bq25892_0_otg", + false, GPIOD_OUT_LOW, NULL); if (ret < 0) return ret; - gpiod_set_value(gpiod, 0); - /* Enable the regulators used by the touchscreen */ intel_soc_pmic_exec_mipi_pmic_seq_element(0x6e, 0x9b, 0x02, 0xff); intel_soc_pmic_exec_mipi_pmic_seq_element(0x6e, 0xa0, 0x02, 0xff); diff --git a/drivers/platform/x86/x86-android-tablets/other.c b/drivers/platform/x86/x86-android-tablets/other.c index e79549c6aae1..bc6bbf7ec6ea 100644 --- a/drivers/platform/x86/x86-android-tablets/other.c +++ b/drivers/platform/x86/x86-android-tablets/other.c @@ -47,6 +47,7 @@ static const struct x86_i2c_client_info acer_b1_750_i2c_clients[] __initconst = .index = 3, .trigger = ACPI_EDGE_SENSITIVE, .polarity = ACPI_ACTIVE_LOW, + .con_id = "NVT-ts_irq", }, }, { /* BMA250E accelerometer */ @@ -62,6 +63,7 @@ static const struct x86_i2c_client_info acer_b1_750_i2c_clients[] __initconst = .index = 25, .trigger = ACPI_LEVEL_SENSITIVE, .polarity = ACPI_ACTIVE_HIGH, + .con_id = "bma250e_irq", }, }, }; @@ -174,6 +176,7 @@ static const struct x86_i2c_client_info chuwi_hi8_i2c_clients[] __initconst = { .index = 23, .trigger = ACPI_LEVEL_SENSITIVE, .polarity = ACPI_ACTIVE_HIGH, + .con_id = "bma250e_irq", }, }, }; @@ -312,6 +315,7 @@ static const struct x86_i2c_client_info medion_lifetab_s10346_i2c_clients[] __in .index = 23, .trigger = ACPI_EDGE_SENSITIVE, .polarity = ACPI_ACTIVE_HIGH, + .con_id = "kxtj21009_irq", }, }, { /* goodix touchscreen */ @@ -402,6 +406,7 @@ static const struct x86_i2c_client_info nextbook_ares8_i2c_clients[] __initconst .index = 3, .trigger = ACPI_EDGE_SENSITIVE, .polarity = ACPI_ACTIVE_LOW, + .con_id = "ft5416_irq", }, }, }; @@ -460,6 +465,7 @@ static const struct x86_i2c_client_info nextbook_ares8a_i2c_clients[] __initcons .index = 17, .trigger = ACPI_EDGE_SENSITIVE, .polarity = ACPI_ACTIVE_LOW, + .con_id = "ft5416_irq", }, }, }; @@ -505,11 +511,6 @@ static const struct x86_gpio_button peaq_c1010_button __initconst = { const struct x86_dev_info peaq_c1010_info __initconst = { .gpio_button = &peaq_c1010_button, .gpio_button_count = 1, - /* - * Move the ACPI event handler used by the broken WMI interface out of - * the way. This is the only event handler on INT33FC:00. - */ - .invalid_aei_gpiochip = "INT33FC:00", }; /* 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 e46e1128acc8..9d2fb7fded6d 100644 --- a/drivers/platform/x86/x86-android-tablets/x86-android-tablets.h +++ b/drivers/platform/x86/x86-android-tablets/x86-android-tablets.h @@ -10,6 +10,7 @@ #ifndef __PDX86_X86_ANDROID_TABLETS_H #define __PDX86_X86_ANDROID_TABLETS_H +#include <linux/gpio/consumer.h> #include <linux/gpio_keys.h> #include <linux/i2c.h> #include <linux/irqdomain_defs.h> @@ -37,6 +38,7 @@ struct x86_acpi_irq_data { int index; int trigger; /* ACPI_EDGE_SENSITIVE / ACPI_LEVEL_SENSITIVE */ int polarity; /* ACPI_ACTIVE_HIGH / ACPI_ACTIVE_LOW / ACPI_ACTIVE_BOTH */ + const char *con_id; }; /* Structs to describe devices to instantiate */ @@ -66,7 +68,6 @@ struct x86_gpio_button { }; struct x86_dev_info { - char *invalid_aei_gpiochip; const char * const *modules; const struct software_node *bat_swnode; struct gpiod_lookup_table * const *gpiod_lookup_tables; @@ -82,7 +83,9 @@ struct x86_dev_info { void (*exit)(void); }; -int x86_android_tablet_get_gpiod(const char *label, int pin, struct gpio_desc **desc); +int x86_android_tablet_get_gpiod(const char *chip, int pin, const char *con_id, + bool active_low, enum gpiod_flags dflags, + struct gpio_desc **desc); int x86_acpi_irq_helper_get(const struct x86_acpi_irq_data *data); /* |