diff options
Diffstat (limited to 'drivers/platform/surface')
18 files changed, 410 insertions, 115 deletions
diff --git a/drivers/platform/surface/aggregator/bus.c b/drivers/platform/surface/aggregator/bus.c index 118caa651bec..d68d231e716e 100644 --- a/drivers/platform/surface/aggregator/bus.c +++ b/drivers/platform/surface/aggregator/bus.c @@ -6,6 +6,7 @@ */ #include <linux/device.h> +#include <linux/of.h> #include <linux/property.h> #include <linux/slab.h> @@ -306,9 +307,9 @@ const void *ssam_device_get_match_data(const struct ssam_device *dev) } EXPORT_SYMBOL_GPL(ssam_device_get_match_data); -static int ssam_bus_match(struct device *dev, struct device_driver *drv) +static int ssam_bus_match(struct device *dev, const struct device_driver *drv) { - struct ssam_device_driver *sdrv = to_ssam_device_driver(drv); + const struct ssam_device_driver *sdrv = to_ssam_device_driver(drv); struct ssam_device *sdev = to_ssam_device(dev); if (!is_ssam_device(dev)) @@ -441,6 +442,7 @@ static int ssam_add_client_device(struct device *parent, struct ssam_controller sdev->dev.parent = parent; sdev->dev.fwnode = fwnode_handle_get(node); + sdev->dev.of_node = to_of_node(node); status = ssam_device_add(sdev); if (status) diff --git a/drivers/platform/surface/aggregator/controller.c b/drivers/platform/surface/aggregator/controller.c index 7fc602e01487..a265e667538c 100644 --- a/drivers/platform/surface/aggregator/controller.c +++ b/drivers/platform/surface/aggregator/controller.c @@ -1104,13 +1104,6 @@ int ssam_controller_caps_load_from_acpi(acpi_handle handle, u64 funcs; int status; - /* Set defaults. */ - caps->ssh_power_profile = U32_MAX; - caps->screen_on_sleep_idle_timeout = U32_MAX; - caps->screen_off_sleep_idle_timeout = U32_MAX; - caps->d3_closes_handle = false; - caps->ssh_buffer_size = U32_MAX; - /* Pre-load supported DSM functions. */ status = ssam_dsm_get_functions(handle, &funcs); if (status) @@ -1150,6 +1143,52 @@ int ssam_controller_caps_load_from_acpi(acpi_handle handle, } /** + * ssam_controller_caps_load_from_of() - Load controller capabilities from OF/DT. + * @dev: A pointer to the controller device + * @caps: Where to store the capabilities in. + * + * Return: Returns zero on success, a negative error code on failure. + */ +static int ssam_controller_caps_load_from_of(struct device *dev, struct ssam_controller_caps *caps) +{ + /* + * Every device starting with Surface Pro X through Laptop 7 uses these + * identical values, which makes them good defaults. + */ + caps->d3_closes_handle = true; + caps->screen_on_sleep_idle_timeout = 5000; + caps->screen_off_sleep_idle_timeout = 30; + caps->ssh_buffer_size = 48; + /* TODO: figure out power profile */ + + return 0; +} + +/** + * ssam_controller_caps_load() - Load controller capabilities + * @dev: A pointer to the controller device + * @caps: Where to store the capabilities in. + * + * Return: Returns zero on success, a negative error code on failure. + */ +static int ssam_controller_caps_load(struct device *dev, struct ssam_controller_caps *caps) +{ + acpi_handle handle = ACPI_HANDLE(dev); + + /* Set defaults. */ + caps->ssh_power_profile = U32_MAX; + caps->screen_on_sleep_idle_timeout = U32_MAX; + caps->screen_off_sleep_idle_timeout = U32_MAX; + caps->d3_closes_handle = false; + caps->ssh_buffer_size = U32_MAX; + + if (handle) + return ssam_controller_caps_load_from_acpi(handle, caps); + else + return ssam_controller_caps_load_from_of(dev, caps); +} + +/** * ssam_controller_init() - Initialize SSAM controller. * @ctrl: The controller to initialize. * @serdev: The serial device representing the underlying data transport. @@ -1165,13 +1204,12 @@ int ssam_controller_caps_load_from_acpi(acpi_handle handle, int ssam_controller_init(struct ssam_controller *ctrl, struct serdev_device *serdev) { - acpi_handle handle = ACPI_HANDLE(&serdev->dev); int status; init_rwsem(&ctrl->lock); kref_init(&ctrl->kref); - status = ssam_controller_caps_load_from_acpi(handle, &ctrl->caps); + status = ssam_controller_caps_load(&serdev->dev, &ctrl->caps); if (status) return status; @@ -1354,7 +1392,8 @@ void ssam_controller_destroy(struct ssam_controller *ctrl) if (ctrl->state == SSAM_CONTROLLER_UNINITIALIZED) return; - WARN_ON(ctrl->state != SSAM_CONTROLLER_STOPPED); + WARN_ON(ctrl->state != SSAM_CONTROLLER_STOPPED && + ctrl->state != SSAM_CONTROLLER_INITIALIZED); /* * Note: New events could still have been received after the previous @@ -2715,11 +2754,12 @@ int ssam_irq_setup(struct ssam_controller *ctrl) const int irqf = IRQF_ONESHOT | IRQF_TRIGGER_RISING | IRQF_NO_AUTOEN; gpiod = gpiod_get(dev, "ssam_wakeup-int", GPIOD_ASIS); - if (IS_ERR(gpiod)) - return PTR_ERR(gpiod); - - irq = gpiod_to_irq(gpiod); - gpiod_put(gpiod); + if (IS_ERR(gpiod)) { + irq = fwnode_irq_get(dev_fwnode(dev), 0); + } else { + irq = gpiod_to_irq(gpiod); + gpiod_put(gpiod); + } if (irq < 0) return irq; diff --git a/drivers/platform/surface/aggregator/core.c b/drivers/platform/surface/aggregator/core.c index 9591a28bc38a..c58e1fdd1a5f 100644 --- a/drivers/platform/surface/aggregator/core.c +++ b/drivers/platform/surface/aggregator/core.c @@ -17,9 +17,12 @@ #include <linux/kernel.h> #include <linux/kref.h> #include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> #include <linux/pm.h> #include <linux/serdev.h> #include <linux/sysfs.h> +#include <linux/units.h> #include <linux/surface_aggregator/controller.h> #include <linux/surface_aggregator/device.h> @@ -227,8 +230,8 @@ EXPORT_SYMBOL_GPL(ssam_client_bind); /* -- Glue layer (serdev_device -> ssam_controller). ------------------------ */ -static ssize_t ssam_receive_buf(struct serdev_device *dev, const u8 *buf, - size_t n) +static size_t ssam_receive_buf(struct serdev_device *dev, const u8 *buf, + size_t n) { struct ssam_controller *ctrl; int ret; @@ -299,7 +302,7 @@ static const struct attribute_group ssam_sam_group = { }; -/* -- ACPI based device setup. ---------------------------------------------- */ +/* -- Serial device setup. -------------------------------------------------- */ static acpi_status ssam_serdev_setup_via_acpi_crs(struct acpi_resource *rsc, void *ctx) @@ -352,13 +355,28 @@ static acpi_status ssam_serdev_setup_via_acpi_crs(struct acpi_resource *rsc, return AE_CTRL_TERMINATE; } -static acpi_status ssam_serdev_setup_via_acpi(acpi_handle handle, - struct serdev_device *serdev) +static int ssam_serdev_setup_via_acpi(struct serdev_device *serdev, acpi_handle handle) { - return acpi_walk_resources(handle, METHOD_NAME__CRS, - ssam_serdev_setup_via_acpi_crs, serdev); + acpi_status status; + + status = acpi_walk_resources(handle, METHOD_NAME__CRS, + ssam_serdev_setup_via_acpi_crs, serdev); + + return status ? -ENXIO : 0; } +static int ssam_serdev_setup(struct acpi_device *ssh, struct serdev_device *serdev) +{ + if (ssh) + return ssam_serdev_setup_via_acpi(serdev, ssh->handle); + + /* TODO: these values may differ per board/implementation */ + serdev_device_set_baudrate(serdev, 4 * HZ_PER_MHZ); + serdev_device_set_flow_control(serdev, true); + serdev_device_set_parity(serdev, SERDEV_PARITY_NONE); + + return 0; +} /* -- Power management. ----------------------------------------------------- */ @@ -618,17 +636,20 @@ static const struct acpi_gpio_mapping ssam_acpi_gpios[] = { static int ssam_serial_hub_probe(struct serdev_device *serdev) { - struct acpi_device *ssh = ACPI_COMPANION(&serdev->dev); + struct device *dev = &serdev->dev; + struct acpi_device *ssh = ACPI_COMPANION(dev); struct ssam_controller *ctrl; - acpi_status astatus; int status; - if (gpiod_count(&serdev->dev, NULL) < 0) - return -ENODEV; + if (ssh) { + status = gpiod_count(dev, NULL); + if (status < 0) + return dev_err_probe(dev, status, "no GPIO found\n"); - status = devm_acpi_dev_add_driver_gpios(&serdev->dev, ssam_acpi_gpios); - if (status) - return status; + status = devm_acpi_dev_add_driver_gpios(dev, ssam_acpi_gpios); + if (status) + return status; + } /* Allocate controller. */ ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL); @@ -637,8 +658,10 @@ static int ssam_serial_hub_probe(struct serdev_device *serdev) /* Initialize controller. */ status = ssam_controller_init(ctrl, serdev); - if (status) + if (status) { + dev_err_probe(dev, status, "failed to initialize ssam controller\n"); goto err_ctrl_init; + } ssam_controller_lock(ctrl); @@ -646,12 +669,14 @@ static int ssam_serial_hub_probe(struct serdev_device *serdev) serdev_device_set_drvdata(serdev, ctrl); serdev_device_set_client_ops(serdev, &ssam_serdev_ops); status = serdev_device_open(serdev); - if (status) + if (status) { + dev_err_probe(dev, status, "failed to open serdev device\n"); goto err_devopen; + } - astatus = ssam_serdev_setup_via_acpi(ssh->handle, serdev); - if (ACPI_FAILURE(astatus)) { - status = -ENXIO; + status = ssam_serdev_setup(ssh, serdev); + if (status) { + status = dev_err_probe(dev, status, "failed to setup serdev\n"); goto err_devinit; } @@ -667,25 +692,33 @@ static int ssam_serial_hub_probe(struct serdev_device *serdev) * states. */ status = ssam_log_firmware_version(ctrl); - if (status) + if (status) { + dev_err_probe(dev, status, "failed to get firmware version\n"); goto err_initrq; + } status = ssam_ctrl_notif_d0_entry(ctrl); - if (status) + if (status) { + dev_err_probe(dev, status, "D0-entry notification failed\n"); goto err_initrq; + } status = ssam_ctrl_notif_display_on(ctrl); - if (status) + if (status) { + dev_err_probe(dev, status, "display-on notification failed\n"); goto err_initrq; + } - status = sysfs_create_group(&serdev->dev.kobj, &ssam_sam_group); + status = sysfs_create_group(&dev->kobj, &ssam_sam_group); if (status) goto err_initrq; /* Set up IRQ. */ status = ssam_irq_setup(ctrl); - if (status) + if (status) { + dev_err_probe(dev, status, "failed to setup IRQ\n"); goto err_irq; + } /* Finally, set main controller reference. */ status = ssam_try_set_controller(ctrl); @@ -702,15 +735,31 @@ static int ssam_serial_hub_probe(struct serdev_device *serdev) * resumed. In short, this causes some spurious unwanted wake-ups. * For now let's thus default power/wakeup to false. */ - device_set_wakeup_capable(&serdev->dev, true); - acpi_dev_clear_dependencies(ssh); + device_set_wakeup_capable(dev, true); + + /* + * When using DT, we have to register the platform hub driver manually, + * as it can't be matched based on top-level board compatible (like it + * does the ACPI case). + */ + if (!ssh) { + struct platform_device *ph_pdev = + platform_device_register_simple("surface_aggregator_platform_hub", + 0, NULL, 0); + if (IS_ERR(ph_pdev)) + return dev_err_probe(dev, PTR_ERR(ph_pdev), + "Failed to register the platform hub driver\n"); + } + + if (ssh) + acpi_dev_clear_dependencies(ssh); return 0; err_mainref: ssam_irq_free(ctrl); err_irq: - sysfs_remove_group(&serdev->dev.kobj, &ssam_sam_group); + sysfs_remove_group(&dev->kobj, &ssam_sam_group); err_initrq: ssam_controller_lock(ctrl); ssam_controller_shutdown(ctrl); @@ -768,18 +817,27 @@ static void ssam_serial_hub_remove(struct serdev_device *serdev) device_set_wakeup_capable(&serdev->dev, false); } -static const struct acpi_device_id ssam_serial_hub_match[] = { +static const struct acpi_device_id ssam_serial_hub_acpi_match[] = { { "MSHW0084", 0 }, { }, }; -MODULE_DEVICE_TABLE(acpi, ssam_serial_hub_match); +MODULE_DEVICE_TABLE(acpi, ssam_serial_hub_acpi_match); + +#ifdef CONFIG_OF +static const struct of_device_id ssam_serial_hub_of_match[] = { + { .compatible = "microsoft,surface-sam", }, + { }, +}; +MODULE_DEVICE_TABLE(of, ssam_serial_hub_of_match); +#endif static struct serdev_device_driver ssam_serial_hub = { .probe = ssam_serial_hub_probe, .remove = ssam_serial_hub_remove, .driver = { .name = "surface_serial_hub", - .acpi_match_table = ssam_serial_hub_match, + .acpi_match_table = ACPI_PTR(ssam_serial_hub_acpi_match), + .of_match_table = of_match_ptr(ssam_serial_hub_of_match), .pm = &ssam_serial_hub_pm_ops, .shutdown = ssam_serial_hub_shutdown, .probe_type = PROBE_PREFER_ASYNCHRONOUS, diff --git a/drivers/platform/surface/aggregator/ssh_msgb.h b/drivers/platform/surface/aggregator/ssh_msgb.h index 438873e06098..80aa568a0759 100644 --- a/drivers/platform/surface/aggregator/ssh_msgb.h +++ b/drivers/platform/surface/aggregator/ssh_msgb.h @@ -8,7 +8,7 @@ #ifndef _SURFACE_AGGREGATOR_SSH_MSGB_H #define _SURFACE_AGGREGATOR_SSH_MSGB_H -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <linux/types.h> #include <linux/surface_aggregator/controller.h> diff --git a/drivers/platform/surface/aggregator/ssh_packet_layer.c b/drivers/platform/surface/aggregator/ssh_packet_layer.c index d726b1a86319..6081b0146d5f 100644 --- a/drivers/platform/surface/aggregator/ssh_packet_layer.c +++ b/drivers/platform/surface/aggregator/ssh_packet_layer.c @@ -5,7 +5,7 @@ * Copyright (C) 2019-2022 Maximilian Luz <luzmaximilian@gmail.com> */ -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <linux/atomic.h> #include <linux/error-injection.h> #include <linux/jiffies.h> diff --git a/drivers/platform/surface/aggregator/ssh_parser.c b/drivers/platform/surface/aggregator/ssh_parser.c index a6f668694365..6cfda85d3b33 100644 --- a/drivers/platform/surface/aggregator/ssh_parser.c +++ b/drivers/platform/surface/aggregator/ssh_parser.c @@ -5,7 +5,7 @@ * Copyright (C) 2019-2022 Maximilian Luz <luzmaximilian@gmail.com> */ -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <linux/compiler.h> #include <linux/device.h> #include <linux/types.h> diff --git a/drivers/platform/surface/aggregator/ssh_request_layer.c b/drivers/platform/surface/aggregator/ssh_request_layer.c index 90634dcacabf..879ca9ee7ff6 100644 --- a/drivers/platform/surface/aggregator/ssh_request_layer.c +++ b/drivers/platform/surface/aggregator/ssh_request_layer.c @@ -5,7 +5,7 @@ * Copyright (C) 2019-2022 Maximilian Luz <luzmaximilian@gmail.com> */ -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <linux/atomic.h> #include <linux/completion.h> #include <linux/error-injection.h> diff --git a/drivers/platform/surface/aggregator/trace.h b/drivers/platform/surface/aggregator/trace.h index 55cc61bba1da..caf7d3cb5d8b 100644 --- a/drivers/platform/surface/aggregator/trace.h +++ b/drivers/platform/surface/aggregator/trace.h @@ -13,7 +13,7 @@ #include <linux/surface_aggregator/serial_hub.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <linux/tracepoint.h> TRACE_DEFINE_ENUM(SSH_FRAME_TYPE_DATA_SEQ); diff --git a/drivers/platform/surface/surface3-wmi.c b/drivers/platform/surface/surface3-wmi.c index c15ed7a12784..6c8fb7a4dde4 100644 --- a/drivers/platform/surface/surface3-wmi.c +++ b/drivers/platform/surface/surface3-wmi.c @@ -247,7 +247,7 @@ static struct platform_driver s3_wmi_driver = { .name = "surface3-wmi", .pm = &s3_wmi_pm, }, - .remove_new = s3_wmi_remove, + .remove = s3_wmi_remove, }; static int __init s3_wmi_init(void) diff --git a/drivers/platform/surface/surface3_power.c b/drivers/platform/surface/surface3_power.c index 4c0f92562a79..1ee5239269ae 100644 --- a/drivers/platform/surface/surface3_power.c +++ b/drivers/platform/surface/surface3_power.c @@ -40,7 +40,7 @@ #include <linux/slab.h> #include <linux/types.h> #include <linux/uuid.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #define SURFACE_3_POLL_INTERVAL (2 * HZ) #define SURFACE_3_STRLEN 10 diff --git a/drivers/platform/surface/surface_acpi_notify.c b/drivers/platform/surface/surface_acpi_notify.c index 20f3870915d2..3b30cfe3466b 100644 --- a/drivers/platform/surface/surface_acpi_notify.c +++ b/drivers/platform/surface/surface_acpi_notify.c @@ -11,7 +11,7 @@ * Copyright (C) 2019-2022 Maximilian Luz <luzmaximilian@gmail.com> */ -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <linux/acpi.h> #include <linux/delay.h> #include <linux/jiffies.h> @@ -850,7 +850,7 @@ MODULE_DEVICE_TABLE(acpi, san_match); static struct platform_driver surface_acpi_notify = { .probe = san_probe, - .remove_new = san_remove, + .remove = san_remove, .driver = { .name = "surface_acpi_notify", .acpi_match_table = san_match, diff --git a/drivers/platform/surface/surface_aggregator_cdev.c b/drivers/platform/surface/surface_aggregator_cdev.c index 07e065b9159f..bfaa09d1648b 100644 --- a/drivers/platform/surface/surface_aggregator_cdev.c +++ b/drivers/platform/surface/surface_aggregator_cdev.c @@ -670,7 +670,6 @@ static const struct file_operations ssam_controller_fops = { .fasync = ssam_cdev_fasync, .unlocked_ioctl = ssam_cdev_device_ioctl, .compat_ioctl = ssam_cdev_device_ioctl, - .llseek = no_llseek, }; @@ -763,7 +762,7 @@ static struct platform_device *ssam_cdev_device; static struct platform_driver ssam_cdev_driver = { .probe = ssam_dbg_device_probe, - .remove_new = ssam_dbg_device_remove, + .remove = ssam_dbg_device_remove, .driver = { .name = SSAM_CDEV_DEVICE_NAME, .probe_type = PROBE_PREFER_ASYNCHRONOUS, diff --git a/drivers/platform/surface/surface_aggregator_registry.c b/drivers/platform/surface/surface_aggregator_registry.c index aeb3feae40ff..a594d5fcfcfd 100644 --- a/drivers/platform/surface/surface_aggregator_registry.c +++ b/drivers/platform/surface/surface_aggregator_registry.c @@ -12,6 +12,7 @@ #include <linux/acpi.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/property.h> #include <linux/types.h> @@ -68,12 +69,38 @@ static const struct software_node ssam_node_bat_sb3base = { .parent = &ssam_node_hub_base, }; -/* Platform profile / performance-mode device. */ -static const struct software_node ssam_node_tmp_pprof = { +/* Platform profile / performance-mode device without a fan. */ +static const struct software_node ssam_node_tmp_perf_profile = { .name = "ssam:01:03:01:00:01", .parent = &ssam_node_root, }; +/* Platform profile / performance-mode device with a fan, such that + * the fan controller profile can also be switched. + */ +static const struct property_entry ssam_node_tmp_perf_profile_has_fan[] = { + PROPERTY_ENTRY_BOOL("has_fan"), + { } +}; + +static const struct software_node ssam_node_tmp_perf_profile_with_fan = { + .name = "ssam:01:03:01:00:01", + .parent = &ssam_node_root, + .properties = ssam_node_tmp_perf_profile_has_fan, +}; + +/* Thermal sensors. */ +static const struct software_node ssam_node_tmp_sensors = { + .name = "ssam:01:03:01:00:02", + .parent = &ssam_node_root, +}; + +/* Fan speed function. */ +static const struct software_node ssam_node_fan_speed = { + .name = "ssam:01:05:01:01:01", + .parent = &ssam_node_root, +}; + /* Tablet-mode switch via KIP subsystem. */ static const struct software_node ssam_node_kip_tablet_switch = { .name = "ssam:01:0e:01:00:01", @@ -202,7 +229,7 @@ static const struct software_node ssam_node_pos_tablet_switch = { */ static const struct software_node *ssam_node_group_gen5[] = { &ssam_node_root, - &ssam_node_tmp_pprof, + &ssam_node_tmp_perf_profile, NULL, }; @@ -213,7 +240,7 @@ static const struct software_node *ssam_node_group_sb3[] = { &ssam_node_bat_ac, &ssam_node_bat_main, &ssam_node_bat_sb3base, - &ssam_node_tmp_pprof, + &ssam_node_tmp_perf_profile, &ssam_node_bas_dtx, &ssam_node_hid_base_keyboard, &ssam_node_hid_base_touchpad, @@ -227,7 +254,7 @@ static const struct software_node *ssam_node_group_sl3[] = { &ssam_node_root, &ssam_node_bat_ac, &ssam_node_bat_main, - &ssam_node_tmp_pprof, + &ssam_node_tmp_perf_profile, &ssam_node_hid_main_keyboard, &ssam_node_hid_main_touchpad, &ssam_node_hid_main_iid5, @@ -239,20 +266,50 @@ static const struct software_node *ssam_node_group_sl5[] = { &ssam_node_root, &ssam_node_bat_ac, &ssam_node_bat_main, - &ssam_node_tmp_pprof, + &ssam_node_tmp_perf_profile_with_fan, + &ssam_node_tmp_sensors, + &ssam_node_fan_speed, + &ssam_node_hid_main_keyboard, + &ssam_node_hid_main_touchpad, + &ssam_node_hid_main_iid5, + &ssam_node_hid_sam_ucm_ucsi, + NULL, +}; + +/* Devices for Surface Laptop 6. */ +static const struct software_node *ssam_node_group_sl6[] = { + &ssam_node_root, + &ssam_node_bat_ac, + &ssam_node_bat_main, + &ssam_node_tmp_perf_profile_with_fan, + &ssam_node_tmp_sensors, + &ssam_node_fan_speed, &ssam_node_hid_main_keyboard, &ssam_node_hid_main_touchpad, &ssam_node_hid_main_iid5, + &ssam_node_hid_sam_sensors, &ssam_node_hid_sam_ucm_ucsi, NULL, }; -/* Devices for Surface Laptop Studio. */ -static const struct software_node *ssam_node_group_sls[] = { +/* Devices for Surface Laptop 7. */ +static const struct software_node *ssam_node_group_sl7[] = { &ssam_node_root, &ssam_node_bat_ac, &ssam_node_bat_main, - &ssam_node_tmp_pprof, + &ssam_node_tmp_perf_profile_with_fan, + &ssam_node_fan_speed, + &ssam_node_hid_sam_keyboard, + /* TODO: evaluate thermal sensors devices when we get a driver for that */ + NULL, +}; + +/* Devices for Surface Laptop Studio 1. */ +static const struct software_node *ssam_node_group_sls1[] = { + &ssam_node_root, + &ssam_node_bat_ac, + &ssam_node_bat_main, + &ssam_node_tmp_perf_profile, &ssam_node_pos_tablet_switch, &ssam_node_hid_sam_keyboard, &ssam_node_hid_sam_penstash, @@ -263,12 +320,28 @@ static const struct software_node *ssam_node_group_sls[] = { NULL, }; +/* Devices for Surface Laptop Studio 2. */ +static const struct software_node *ssam_node_group_sls2[] = { + &ssam_node_root, + &ssam_node_bat_ac, + &ssam_node_bat_main, + &ssam_node_tmp_perf_profile_with_fan, + &ssam_node_tmp_sensors, + &ssam_node_fan_speed, + &ssam_node_pos_tablet_switch, + &ssam_node_hid_sam_keyboard, + &ssam_node_hid_sam_penstash, + &ssam_node_hid_sam_sensors, + &ssam_node_hid_sam_ucm_ucsi, + NULL, +}; + /* Devices for Surface Laptop Go. */ static const struct software_node *ssam_node_group_slg1[] = { &ssam_node_root, &ssam_node_bat_ac, &ssam_node_bat_main, - &ssam_node_tmp_pprof, + &ssam_node_tmp_perf_profile, NULL, }; @@ -277,7 +350,7 @@ static const struct software_node *ssam_node_group_sp7[] = { &ssam_node_root, &ssam_node_bat_ac, &ssam_node_bat_main, - &ssam_node_tmp_pprof, + &ssam_node_tmp_perf_profile, NULL, }; @@ -287,7 +360,7 @@ static const struct software_node *ssam_node_group_sp8[] = { &ssam_node_hub_kip, &ssam_node_bat_ac, &ssam_node_bat_main, - &ssam_node_tmp_pprof, + &ssam_node_tmp_perf_profile, &ssam_node_kip_tablet_switch, &ssam_node_hid_kip_keyboard, &ssam_node_hid_kip_penstash, @@ -298,13 +371,15 @@ static const struct software_node *ssam_node_group_sp8[] = { NULL, }; -/* Devices for Surface Pro 9 */ +/* Devices for Surface Pro 9, 10 and 11 (Intel/x86) */ static const struct software_node *ssam_node_group_sp9[] = { &ssam_node_root, &ssam_node_hub_kip, &ssam_node_bat_ac, &ssam_node_bat_main, - &ssam_node_tmp_pprof, + &ssam_node_tmp_perf_profile_with_fan, + &ssam_node_tmp_sensors, + &ssam_node_fan_speed, &ssam_node_pos_tablet_switch, &ssam_node_hid_kip_keyboard, &ssam_node_hid_kip_penstash, @@ -315,10 +390,25 @@ static const struct software_node *ssam_node_group_sp9[] = { NULL, }; +/* Devices for Surface Pro 9 5G (ARM/QCOM) */ +static const struct software_node *ssam_node_group_sp9_5g[] = { + &ssam_node_root, + &ssam_node_hub_kip, + &ssam_node_bat_ac, + &ssam_node_bat_main, + &ssam_node_tmp_sensors, + &ssam_node_hid_kip_keyboard, + &ssam_node_hid_kip_penstash, + &ssam_node_hid_kip_touchpad, + &ssam_node_hid_kip_fwupd, + &ssam_node_hid_sam_sensors, + &ssam_node_kip_tablet_switch, + NULL, +}; /* -- SSAM platform/meta-hub driver. ---------------------------------------- */ -static const struct acpi_device_id ssam_platform_hub_match[] = { +static const struct acpi_device_id ssam_platform_hub_acpi_match[] = { /* Surface Pro 4, 5, and 6 (OMBR < 0x10) */ { "MSHW0081", (unsigned long)ssam_node_group_gen5 }, @@ -337,6 +427,12 @@ static const struct acpi_device_id ssam_platform_hub_match[] = { /* Surface Pro 9 */ { "MSHW0343", (unsigned long)ssam_node_group_sp9 }, + /* Surface Pro 10 */ + { "MSHW0510", (unsigned long)ssam_node_group_sp9 }, + + /* Surface Pro 11 */ + { "MSHW0583", (unsigned long)ssam_node_group_sp9 }, + /* Surface Book 2 */ { "MSHW0107", (unsigned long)ssam_node_group_gen5 }, @@ -361,29 +457,61 @@ static const struct acpi_device_id ssam_platform_hub_match[] = { /* Surface Laptop 5 */ { "MSHW0350", (unsigned long)ssam_node_group_sl5 }, + /* Surface Laptop 6 */ + { "MSHW0530", (unsigned long)ssam_node_group_sl6 }, + /* Surface Laptop Go 1 */ { "MSHW0118", (unsigned long)ssam_node_group_slg1 }, /* Surface Laptop Go 2 */ { "MSHW0290", (unsigned long)ssam_node_group_slg1 }, - /* Surface Laptop Studio */ - { "MSHW0123", (unsigned long)ssam_node_group_sls }, + /* Surface Laptop Go 3 */ + { "MSHW0440", (unsigned long)ssam_node_group_slg1 }, + + /* Surface Laptop Studio 1 */ + { "MSHW0123", (unsigned long)ssam_node_group_sls1 }, + + /* Surface Laptop Studio 2 */ + { "MSHW0360", (unsigned long)ssam_node_group_sls2 }, { }, }; -MODULE_DEVICE_TABLE(acpi, ssam_platform_hub_match); +MODULE_DEVICE_TABLE(acpi, ssam_platform_hub_acpi_match); + +static const struct of_device_id ssam_platform_hub_of_match[] __maybe_unused = { + /* Surface Pro 9 5G (ARM/QCOM) */ + { .compatible = "microsoft,arcata", (void *)ssam_node_group_sp9_5g }, + /* Surface Laptop 7 */ + { .compatible = "microsoft,romulus13", (void *)ssam_node_group_sl7 }, + { .compatible = "microsoft,romulus15", (void *)ssam_node_group_sl7 }, + { }, +}; static int ssam_platform_hub_probe(struct platform_device *pdev) { const struct software_node **nodes; + const struct of_device_id *match; + struct device_node *fdt_root; struct ssam_controller *ctrl; struct fwnode_handle *root; int status; nodes = (const struct software_node **)acpi_device_get_match_data(&pdev->dev); - if (!nodes) - return -ENODEV; + if (!nodes) { + fdt_root = of_find_node_by_path("/"); + if (!fdt_root) + return -ENODEV; + + match = of_match_node(ssam_platform_hub_of_match, fdt_root); + of_node_put(fdt_root); + if (!match) + return -ENODEV; + + nodes = (const struct software_node **)match->data; + if (!nodes) + return -ENODEV; + } /* * As we're adding the SSAM client devices as children under this device @@ -429,15 +557,16 @@ static void ssam_platform_hub_remove(struct platform_device *pdev) static struct platform_driver ssam_platform_hub_driver = { .probe = ssam_platform_hub_probe, - .remove_new = ssam_platform_hub_remove, + .remove = ssam_platform_hub_remove, .driver = { .name = "surface_aggregator_platform_hub", - .acpi_match_table = ssam_platform_hub_match, + .acpi_match_table = ssam_platform_hub_acpi_match, .probe_type = PROBE_PREFER_ASYNCHRONOUS, }, }; module_platform_driver(ssam_platform_hub_driver); +MODULE_ALIAS("platform:surface_aggregator_platform_hub"); MODULE_AUTHOR("Maximilian Luz <luzmaximilian@gmail.com>"); MODULE_DESCRIPTION("Device-registry for Surface System Aggregator Module"); MODULE_LICENSE("GPL"); diff --git a/drivers/platform/surface/surface_aggregator_tabletsw.c b/drivers/platform/surface/surface_aggregator_tabletsw.c index c0a1a5869246..ffa36ed92897 100644 --- a/drivers/platform/surface/surface_aggregator_tabletsw.c +++ b/drivers/platform/surface/surface_aggregator_tabletsw.c @@ -5,7 +5,7 @@ * Copyright (C) 2022 Maximilian Luz <luzmaximilian@gmail.com> */ -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <linux/input.h> #include <linux/kernel.h> #include <linux/module.h> diff --git a/drivers/platform/surface/surface_dtx.c b/drivers/platform/surface/surface_dtx.c index 2de843b7ea70..97ae010069e4 100644 --- a/drivers/platform/surface/surface_dtx.c +++ b/drivers/platform/surface/surface_dtx.c @@ -555,7 +555,6 @@ static const struct file_operations surface_dtx_fops = { .fasync = surface_dtx_fasync, .unlocked_ioctl = surface_dtx_ioctl, .compat_ioctl = surface_dtx_ioctl, - .llseek = no_llseek, }; @@ -1181,7 +1180,7 @@ MODULE_DEVICE_TABLE(acpi, surface_dtx_acpi_match); static struct platform_driver surface_dtx_platform_driver = { .probe = surface_dtx_platform_probe, - .remove_new = surface_dtx_platform_remove, + .remove = surface_dtx_platform_remove, .driver = { .name = "surface_dtx_pltf", .acpi_match_table = surface_dtx_acpi_match, diff --git a/drivers/platform/surface/surface_gpe.c b/drivers/platform/surface/surface_gpe.c index 62fd4004db31..b359413903b1 100644 --- a/drivers/platform/surface/surface_gpe.c +++ b/drivers/platform/surface/surface_gpe.c @@ -278,7 +278,7 @@ static void surface_gpe_remove(struct platform_device *pdev) static struct platform_driver surface_gpe_driver = { .probe = surface_gpe_probe, - .remove_new = surface_gpe_remove, + .remove = surface_gpe_remove, .driver = { .name = "surface_gpe", .pm = &surface_gpe_pm, diff --git a/drivers/platform/surface/surface_hotplug.c b/drivers/platform/surface/surface_hotplug.c index a404f26cfae8..c0d83ed5a208 100644 --- a/drivers/platform/surface/surface_hotplug.c +++ b/drivers/platform/surface/surface_hotplug.c @@ -259,7 +259,7 @@ MODULE_DEVICE_TABLE(acpi, surface_hotplug_acpi_match); static struct platform_driver surface_hotplug_driver = { .probe = surface_hotplug_probe, - .remove_new = surface_hotplug_remove, + .remove = surface_hotplug_remove, .driver = { .name = "surface_hotplug", .acpi_match_table = surface_hotplug_acpi_match, diff --git a/drivers/platform/surface/surface_platform_profile.c b/drivers/platform/surface/surface_platform_profile.c index a5a3941b3f43..0e479e35e66e 100644 --- a/drivers/platform/surface/surface_platform_profile.c +++ b/drivers/platform/surface/surface_platform_profile.c @@ -1,12 +1,12 @@ // SPDX-License-Identifier: GPL-2.0+ /* * Surface Platform Profile / Performance Mode driver for Surface System - * Aggregator Module (thermal subsystem). + * Aggregator Module (thermal and fan subsystem). * * Copyright (C) 2021-2022 Maximilian Luz <luzmaximilian@gmail.com> */ -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/platform_profile.h> @@ -14,6 +14,7 @@ #include <linux/surface_aggregator/device.h> +// Enum for the platform performance profile sent to the TMP module. enum ssam_tmp_profile { SSAM_TMP_PROFILE_NORMAL = 1, SSAM_TMP_PROFILE_BATTERY_SAVER = 2, @@ -21,15 +22,26 @@ enum ssam_tmp_profile { SSAM_TMP_PROFILE_BEST_PERFORMANCE = 4, }; +// Enum for the fan profile sent to the FAN module. This fan profile is +// only sent to the EC if the 'has_fan' property is set. The integers are +// not a typo, they differ from the performance profile indices. +enum ssam_fan_profile { + SSAM_FAN_PROFILE_NORMAL = 2, + SSAM_FAN_PROFILE_BATTERY_SAVER = 1, + SSAM_FAN_PROFILE_BETTER_PERFORMANCE = 3, + SSAM_FAN_PROFILE_BEST_PERFORMANCE = 4, +}; + struct ssam_tmp_profile_info { __le32 profile; __le16 unknown1; __le16 unknown2; } __packed; -struct ssam_tmp_profile_device { +struct ssam_platform_profile_device { struct ssam_device *sdev; - struct platform_profile_handler handler; + struct device *ppdev; + bool has_fan; }; SSAM_DEFINE_SYNC_REQUEST_CL_R(__ssam_tmp_profile_get, struct ssam_tmp_profile_info, { @@ -42,6 +54,13 @@ SSAM_DEFINE_SYNC_REQUEST_CL_W(__ssam_tmp_profile_set, __le32, { .command_id = 0x03, }); +SSAM_DEFINE_SYNC_REQUEST_W(__ssam_fan_profile_set, u8, { + .target_category = SSAM_SSH_TC_FAN, + .target_id = SSAM_SSH_TID_SAM, + .command_id = 0x0e, + .instance_id = 0x01, +}); + static int ssam_tmp_profile_get(struct ssam_device *sdev, enum ssam_tmp_profile *p) { struct ssam_tmp_profile_info info; @@ -57,12 +76,19 @@ static int ssam_tmp_profile_get(struct ssam_device *sdev, enum ssam_tmp_profile static int ssam_tmp_profile_set(struct ssam_device *sdev, enum ssam_tmp_profile p) { - __le32 profile_le = cpu_to_le32(p); + const __le32 profile_le = cpu_to_le32(p); return ssam_retry(__ssam_tmp_profile_set, sdev, &profile_le); } -static int convert_ssam_to_profile(struct ssam_device *sdev, enum ssam_tmp_profile p) +static int ssam_fan_profile_set(struct ssam_device *sdev, enum ssam_fan_profile p) +{ + const u8 profile = p; + + return ssam_retry(__ssam_fan_profile_set, sdev->ctrl, &profile); +} + +static int convert_ssam_tmp_to_profile(struct ssam_device *sdev, enum ssam_tmp_profile p) { switch (p) { case SSAM_TMP_PROFILE_NORMAL: @@ -83,7 +109,8 @@ static int convert_ssam_to_profile(struct ssam_device *sdev, enum ssam_tmp_profi } } -static int convert_profile_to_ssam(struct ssam_device *sdev, enum platform_profile_option p) + +static int convert_profile_to_ssam_tmp(struct ssam_device *sdev, enum platform_profile_option p) { switch (p) { case PLATFORM_PROFILE_LOW_POWER: @@ -105,20 +132,42 @@ static int convert_profile_to_ssam(struct ssam_device *sdev, enum platform_profi } } -static int ssam_platform_profile_get(struct platform_profile_handler *pprof, +static int convert_profile_to_ssam_fan(struct ssam_device *sdev, enum platform_profile_option p) +{ + switch (p) { + case PLATFORM_PROFILE_LOW_POWER: + return SSAM_FAN_PROFILE_BATTERY_SAVER; + + case PLATFORM_PROFILE_BALANCED: + return SSAM_FAN_PROFILE_NORMAL; + + case PLATFORM_PROFILE_BALANCED_PERFORMANCE: + return SSAM_FAN_PROFILE_BETTER_PERFORMANCE; + + case PLATFORM_PROFILE_PERFORMANCE: + return SSAM_FAN_PROFILE_BEST_PERFORMANCE; + + default: + /* This should have already been caught by platform_profile_store(). */ + WARN(true, "unsupported platform profile"); + return -EOPNOTSUPP; + } +} + +static int ssam_platform_profile_get(struct device *dev, enum platform_profile_option *profile) { - struct ssam_tmp_profile_device *tpd; + struct ssam_platform_profile_device *tpd; enum ssam_tmp_profile tp; int status; - tpd = container_of(pprof, struct ssam_tmp_profile_device, handler); + tpd = dev_get_drvdata(dev); status = ssam_tmp_profile_get(tpd->sdev, &tp); if (status) return status; - status = convert_ssam_to_profile(tpd->sdev, tp); + status = convert_ssam_tmp_to_profile(tpd->sdev, tp); if (status < 0) return status; @@ -126,45 +175,65 @@ static int ssam_platform_profile_get(struct platform_profile_handler *pprof, return 0; } -static int ssam_platform_profile_set(struct platform_profile_handler *pprof, +static int ssam_platform_profile_set(struct device *dev, enum platform_profile_option profile) { - struct ssam_tmp_profile_device *tpd; + struct ssam_platform_profile_device *tpd; int tp; - tpd = container_of(pprof, struct ssam_tmp_profile_device, handler); + tpd = dev_get_drvdata(dev); - tp = convert_profile_to_ssam(tpd->sdev, profile); + tp = convert_profile_to_ssam_tmp(tpd->sdev, profile); if (tp < 0) return tp; - return ssam_tmp_profile_set(tpd->sdev, tp); + tp = ssam_tmp_profile_set(tpd->sdev, tp); + if (tp < 0) + return tp; + + if (tpd->has_fan) { + tp = convert_profile_to_ssam_fan(tpd->sdev, profile); + if (tp < 0) + return tp; + tp = ssam_fan_profile_set(tpd->sdev, tp); + } + + return tp; } +static int ssam_platform_profile_probe(void *drvdata, unsigned long *choices) +{ + set_bit(PLATFORM_PROFILE_LOW_POWER, choices); + set_bit(PLATFORM_PROFILE_BALANCED, choices); + set_bit(PLATFORM_PROFILE_BALANCED_PERFORMANCE, choices); + set_bit(PLATFORM_PROFILE_PERFORMANCE, choices); + + return 0; +} + +static const struct platform_profile_ops ssam_platform_profile_ops = { + .probe = ssam_platform_profile_probe, + .profile_get = ssam_platform_profile_get, + .profile_set = ssam_platform_profile_set, +}; + static int surface_platform_profile_probe(struct ssam_device *sdev) { - struct ssam_tmp_profile_device *tpd; + struct ssam_platform_profile_device *tpd; tpd = devm_kzalloc(&sdev->dev, sizeof(*tpd), GFP_KERNEL); if (!tpd) return -ENOMEM; tpd->sdev = sdev; + ssam_device_set_drvdata(sdev, tpd); - tpd->handler.profile_get = ssam_platform_profile_get; - tpd->handler.profile_set = ssam_platform_profile_set; + tpd->has_fan = device_property_read_bool(&sdev->dev, "has_fan"); - set_bit(PLATFORM_PROFILE_LOW_POWER, tpd->handler.choices); - set_bit(PLATFORM_PROFILE_BALANCED, tpd->handler.choices); - set_bit(PLATFORM_PROFILE_BALANCED_PERFORMANCE, tpd->handler.choices); - set_bit(PLATFORM_PROFILE_PERFORMANCE, tpd->handler.choices); + tpd->ppdev = devm_platform_profile_register(&sdev->dev, "Surface Platform Profile", + tpd, &ssam_platform_profile_ops); - return platform_profile_register(&tpd->handler); -} - -static void surface_platform_profile_remove(struct ssam_device *sdev) -{ - platform_profile_remove(); + return PTR_ERR_OR_ZERO(tpd->ppdev); } static const struct ssam_device_id ssam_platform_profile_match[] = { @@ -175,7 +244,6 @@ MODULE_DEVICE_TABLE(ssam, ssam_platform_profile_match); static struct ssam_device_driver surface_platform_profile = { .probe = surface_platform_profile_probe, - .remove = surface_platform_profile_remove, .match_table = ssam_platform_profile_match, .driver = { .name = "surface_platform_profile", |