- 13 Feb, 2023 2 commits
-
-
Vadim Pasternak authored
Motivation is to provide synchronization between I2C main bus and other platform drivers using this notification callback. Signed-off-by:
Vadim Pasternak <vadimp@nvidia.com> Reviewed-by:
Michael Shych <michaelsh@nvidia.com> Link: https://lore.kernel.org/r/20230208063331.15560-9-vadimp@nvidia.comSigned-off-by:
Hans de Goede <hdegoede@redhat.com>
-
Vadim Pasternak authored
Split logic in mlxplat_init()/mlxplat_exit() routines. Separate initialization of I2C infrastructure and others platform drivers. Motivation is to provide synchronization between I2C bus and mux drivers and other drivers using this infrastructure. I2C main bus and MUX busses are implemented in FPGA logic. On some new systems the numbers allocated for these busses could be variable depending on order of initialization of I2C native busses. Since bus numbers are passed to some other platform drivers during initialization flow, it is necessary to synchronize completion of I2C infrastructure drivers and activation of rest of drivers. Thus initialization flow will be performed in synchronized order. Signed-off-by:
-
- 10 Feb, 2023 18 commits
-
-
Vadim Pasternak authored
Split mlxplat_init() into two by adding mlxplat_pre_init(). Motivation is to prepare 'mlx-platform' driver to support systems equipped PCIe based programming logic device. Such systems are supposed to use different system resources, thus this commit separates resources allocation related code. Signed-off-by:
-
Vadim Pasternak authored
Add support for new L1 switch nodes providing L1 connectivity for multi-node networking chassis. The purpose is to provide compute server with full management and IO subsystems with connections to L1 switches. System contains the following components: - COMe module based on Intel Coffee Lake CPU - Switch baseboard with two ASICs, while 24 ports of each ASICs are connected to one backplane connector 32 ports of each ASIC are connected to 8 OSFPs - Integrated 60mm dual-rotor FANs inside L1 node (N+2 redundancy) - Support 48V or 54V DC input from the external power server. Add the structures related to the new systems to allow proper activation of the all required platform driver. Add poweroff callback to support deep power cycle flow, which should include special actions against CPLD device for performing graceful operation. Signed-off-by:
-
Vadim Pasternak authored
Introduce support for Nvidia next-generation 800GB/s ethernet switch SN5600. SN5600 is 51.2 Tbps Ethernet switch based on Nvidia Spectrum-4 ASIC. It can provide up to 64x800Gb/s (ETH) full bidirectional bandwidth per port using PAM-4 modulations. The system supports 64 Belly to Belly 2x4 OSFP cages. The switch was designed to fit standard 2U racks. Features: - 64 OSFP ports support 800GbE - 10GbE speed. - Additional 25GbE - 1GbE service port on the front panel. - Air-cooled with 3 + 1 redundant fan units. - 1 + 1 redundant 3000W or 3600W PSUs. - System management board is based on Intel Coffee-lake CPU E-2276 with secure-boot support. Signed-off-by:
-
Vadim Pasternak authored
Rename 'nvlink_blade' in several declaration to more common name "chassis_blade", since these names are going to be used for different kinds of blades. Fix 'swicth' to 'switch' in comment. Signed-off-by:
-
Vadim Pasternak authored
Change "reset_voltmon_upgrade_fail" attribute name to "reset_pwr_converter_fail". For systems using "mlxplat_mlxcpld_default_ng_regs_io_data", relevant CPLD 'register.bit' indicates the failure of power converter, while on older systems same 'register.bit' indicates failure of voltage monitor devices upgrade failure. Signed-off-by:
-
Vadim Pasternak authored
The rack switch is designed to provide high bandwidth, low latency connectivity using optical fiber as the primary interconnect. System supports 32 OSFP ports, non-blocking switching capacity of 25.6Tbps. System equipped with: - 2 replaceable power supplies (AC) with 1+1 redundancy model. - 7 replaceable fan drawers with 6+1 redundancy model. - 2 External Root of Trust or EROT (Glacier) devices for securing ASICs firmware. Signed-off-by:
-
Thomas Weißschuh authored
According to the bounce sent by Dell's mailserver this user does not exist (anymore). Signed-off-by:
Thomas Weißschuh <linux@weissschuh.net> Link: https://lore.kernel.org/r/20230207-maintainers-dell-wmi-sysman-v1-1-6594fea12f6c@weissschuh.netSigned-off-by:
-
Thomas Weißschuh authored
Since commit ee6d3dd4 ("driver core: make kobj_type constant.") the driver core allows the usage of const struct kobj_type. Take advantage of this to constify the structure definition to prevent modification at runtime. Signed-off-by:
Justin Ernst <justin.ernst@hpe.com> Link: https://lore.kernel.org/r/20230207-kobj_type-pdx86-v1-3-8e2c4fb83105@weissschuh.netReviewed-by:
-
Thomas Weißschuh authored
Since commit ee6d3dd4 ("driver core: make kobj_type constant.") the driver core allows the usage of const struct kobj_type. Take advantage of this to constify the structure definition to prevent modification at runtime. Signed-off-by:
Mark Pearson <mpearson-lenovo@squebb.ca> Link: https://lore.kernel.org/r/20230207-kobj_type-pdx86-v1-2-8e2c4fb83105@weissschuh.netReviewed-by:
-
Thomas Weißschuh authored
Since commit ee6d3dd4 ("driver core: make kobj_type constant.") the driver core allows the usage of const struct kobj_type. Take advantage of this to constify the structure definition to prevent modification at runtime. Signed-off-by:
-
Srinivas Pandruvada authored
ID alloc and free functions don't have in built protection for parallel invocation of ida_alloc() and ida_free(). With the current flow in the vsec driver, there is no such scenario. But add mutex protection for potential future changes. Suggested-by:
Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Link: https://lore.kernel.org/r/20230207125821.3837799-1-srinivas.pandruvada@linux.intel.comReviewed-by:
-
Shyam Sundar S K authored
Add a line break for the code readability. Reviewed-by:
Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Link: https://lore.kernel.org/r/20230206150855.1938810-5-Shyam-sundar.S-k@amd.comSigned-off-by:
-
Shyam Sundar S K authored
Modify the dynamic debug print to differentiate between the regular and spill to DRAM usage of the SMU message port. Suggested-by:
Sanket Goswami <Sanket.Goswami@amd.com> Reviewed-by:
-
Shyam Sundar S K authored
Based on the recommendation from the PMFW team in order to get the recent telemetry data present on the STB DRAM the driver is required to send one dummy write to the STB buffer, so it internally triggers the PMFW to emit the latest telemetry data in the STB DRAM region. Reviewed-by:
-
Shyam Sundar S K authored
Recent PMFWs have the support for S2D_NUM_SAMPLES message ID that can tell the current number of samples present within the STB DRAM. num_samples returned would let the driver know the start of the read from the last push location. This way, the driver would emit the top most region of the STB DRAM. Co-developed-by:
-
Andy Shevchenko authored
Most of the files there are being used under PDx86 subsystem or tightly related drivers (like drivers/clk/x86/). I think it makes sense to assure that PDx86 keeps an eye on the changes there. Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20230206150202.27892-1-andriy.shevchenko@linux.intel.comReviewed-by:
-
Andy Shevchenko authored
First of all, we don't use intel-family.h directly. On the other hand we actively use boolean type, that is defined in the types.h (we take top-level header for that) and x86_cpu_id, that is provided in the mod_devicetable.h. Secondly, we don't need to spread SOC_INTEL_IS_CPU() macro to the users. Hence, undefine it when it's appropriate. Signed-off-by:
-
Arnd Bergmann authored
int3472 now fails to link when the LED support is disabled: x86_64-linux-ld: drivers/platform/x86/intel/int3472/led.o: in function `skl_int3472_register_pled': led.c:(.text+0xf4): undefined reference to `led_classdev_register_ext' x86_64-linux-ld: led.c:(.text+0x131): undefined reference to `led_add_lookup' x86_64-linux-ld: drivers/platform/x86/intel/int3472/led.o: in function `skl_int3472_unregister_pled': led.c:(.text+0x16b): undefined reference to `led_remove_lookup' x86_64-linux-ld: led.c:(.text+0x177): undefined reference to `led_classdev_unregister' Add an explicit Kconfig dependency. Fixes: 5ae20a80 ("platform/x86: int3472/discrete: Create a LED class device for the privacy LED") Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Reviewed-by:
Sakari Ailus <sakari.ailus@linux.intel.com> Link: https://lore.kernel.org/r/20230208163658.2129009-1-arnd@kernel.orgReviewed-by:
-
- 06 Feb, 2023 8 commits
-
-
Hans de Goede authored
acpi_evaluate_dsm_typed() already verifies the type is the requested type, so this error check is a no-op, drop it. Signed-off-by:
-
Srinivas Pandruvada authored
Add entry for TPMI (Topology Aware Register and PM Capsule Interface) driver. Signed-off-by:
-
Srinivas Pandruvada authored
Add interface to get resources and platform data. This will avoid code duplication. These interfaces includes: - Get resource count - Get resource at an index Signed-off-by:
Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Acked-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com> Link: https://lore.kernel.org/r/20230202010738.2186174-7-srinivas.pandruvada@linux.intel.comReviewed-by:
-
Srinivas Pandruvada authored
There is one Intel Out-of-Band (OOB) PCI device per CPU package. Since TPMI feature is exposed via OOB PCI device, there will be multiple TPMI device instances on a multi CPU package system. There are several PM features, which needs to associate APIC based CPU package ID information to a TPMI instance. For example if Intel Speed Select feature requires control of a CPU package, it needs to identify right TPMI device instance. There is one special TPMI ID (ID = 0x81) in the PFS. The MMIO region of this TPMI ID points to a mapping table: - PCI Bus ID - PCI Device ID - APIC based Package ID This mapping information can be used by any PM feature driver which requires mapping from a CPU package to a TPMI device instance. Unlike other TPMI features, device node is not created for this feature ID (0x81). Instead store the mapping information as platform data, which is part of the per PCI device TPMI instance (struct intel_tpmi_info). Later the TPMI feature drivers can get the mapping information using an interface "tpmi_get_platform_data()" Signed-off-by:
-
Srinivas Pandruvada authored
The TPMI (Topology Aware Register and PM Capsule Interface) provides a flexible, extendable and PCIe enumerable MMIO interface for PM features. For example Intel RAPL (Running Average Power Limit) provides a MMIO interface using TPMI. This has advantage over traditional MSR (Model Specific Register) interface, where a thread needs to be scheduled on the target CPU to read or write. Also the RAPL features vary between CPU models, and hence lot of model specific code. Here TPMI provides an architectural interface by providing hierarchical tables and fields, which will not need any model specific implementation. The TPMI interface uses a PCI VSEC structure to expose the location of MMIO region. This VSEC structure is present in the PCI configuration space of the Intel Out-of-Band (OOB) device, which is handled by the Intel VSEC driver. The Intel VSEC driver parses VSEC structures present in the PCI configuration space of the given device and creates an auxiliary device object for each of them. In particular, it creates an auxiliary device object representing TPMI that can be bound by an auxiliary driver. Introduce a TPMI driver that will bind to the TPMI auxiliary device object created by the Intel VSEC driver. The TPMI specification defines a PFS (PM Feature Structure) table. This table is present in the TPMI MMIO region. The starting address of PFS is derived from the tBIR (Bar Indicator Register) and "Address" field from the VSEC header. Each TPMI PM feature has one entry in the PFS with a unique TPMI ID and its access details. The TPMI driver creates device nodes for the supported PM features. The names of the devices created by the TPMI driver start with the "intel_vsec.tpmi-" prefix which is followed by a specific name of the given PM feature (for example, "intel_vsec.tpmi-rapl.0"). The device nodes are create by using interface "intel_vsec_add_aux()" provided by the Intel VSEC driver. Signed-off-by:
-
Srinivas Pandruvada authored
Add fields to struct intel_vsec_device, so that core module (which creates aux bus devices) can pass private data to the client drivers. For example there is one vsec device instance per CPU package. On a multi package system, this private data can be used to pass the package ID. This package id can be used by client drivers to change power settings for a specific CPU package by targeting MMIO space of the correct PCI device. Signed-off-by:
David E. Box <david.e.box@linux.intel.com> Link: https://lore.kernel.org/r/20230202010738.2186174-4-srinivas.pandruvada@linux.intel.comReviewed-by:
-
Srinivas Pandruvada authored
Remove static for intel_vsec_add_aux() and export this interface so that it can be used by other vsec related modules. This driver creates aux devices by parsing PCI-VSEC, which allows individual drivers to load on those devices. Those driver may further create more devices on aux bus by parsing the PCI MMIO region. For example, TPMI (Topology Aware Register and PM Capsule Interface) creates device nodes for power management features by parsing MMIO region. When TPMI driver creates devices, it can reuse existing function intel_vsec_add_aux() to create aux devices with TPMI device as the parent. Signed-off-by:
-
Srinivas Pandruvada authored
Add TPMI (Topology Aware Register and PM Capsule Interface) VSEC ID to create an aux device. This will allow TPMI driver to enumerate on this aux device. Signed-off-by:
-
- 03 Feb, 2023 12 commits
-
-
Hans de Goede authored
According to: https://github.com/intel/ipu6-drivers/blob/master/patch/int3472-support-independent-clock-and-LED-gpios-5.17%2B.patch Bits 31-24 of the _DSM pin entry integer value codes the active-value, that is the actual physical signal (0 or 1) which needs to be output on the pin to turn the sensor chip on (to make it active). So if bits 31-24 are 0 for a reset pin, then the actual value of the reset pin needs to be 0 to take the chip out of reset. IOW in this case the reset signal is active-high rather then the default active-low. And if bits 31-24 are 0 for a clk-en pin then the actual value of the clk pin needs to be 0 to enable the clk. So in this case the clk-en signal is active-low rather then the default active-high. IOW if bits 31-24 are 0 for a pin, then the default polarity of the pin is inverted. Add a check for this and also propagate this new polarity to the clock registration. Signed-off-by:
-
Hans de Goede authored
Move the requesting of the clk-enable GPIO to skl_int3472_register_clock() (and move the gpiod_put to unregister). This mirrors the GPIO handling in skl_int3472_register_regulator() and allows removing skl_int3472_map_gpio_to_clk() from discrete.c. Signed-off-by:
-
Hans de Goede authored
On some systems, e.g. the Lenovo ThinkPad X1 Yoga gen 7 and the ThinkPad X1 Nano gen 2 there is no clock-enable pin, triggering the: "No clk GPIO. The privacy LED won't work" warning and causing the privacy LED to not work. Fix this by modeling the privacy LED as a LED class device rather then integrating it with the registered clock. Note this relies on media subsys changes to actually turn the LED on/off when the sensor's v4l2_subdev's s_stream() operand gets called. Signed-off-by:
-
Hans de Goede authored
Add a helper function to map the type returned by the _DSM method to a function name + the default polarity for that function. And fold the INT3472_GPIO_TYPE_RESET and INT3472_GPIO_TYPE_POWERDOWN cases into a single generic case. This is a preparation patch for further GPIO mapping changes. Signed-off-by:
-
Hans de Goede authored
Make v4l2_async_register_subdev_sensor() try to get a privacy LED associated with the sensor and extend the call_s_stream() wrapper to enable/disable the privacy LED if found. This makes the core handle privacy LED control, rather then having to duplicate this code in all the sensor drivers. Suggested-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
-
Hans de Goede authored
Immutable branch from LEDs due for the v6.3 merge window
-
Deepak R Varma authored
Simplify code by using min_t helper macro for logical evaluation and value assignment. Use the _t variant of min macro since the variable types are not same. This issue is identified by coccicheck using the minmax.cocci file. Signed-off-by:
Deepak R Varma <drv@mailo.com> Link: https://lore.kernel.org/r/Y9QupEMPFoZpWIiM@ubun2204.myguest.virtualbox.orgReviewed-by:
-
Deepak R Varma authored
Simplify code by using min_t helper macro for logical evaluation and value assignment. Use the _t variant of min macro since the variable types are not same. This issue is identified by coccicheck using the minmax.cocci file. Signed-off-by:
Pali Rohár <pali@kernel.org> Link: https://lore.kernel.org/r/Y9P8debIztOZXazW@ubun2204.myguest.virtualbox.orgReviewed-by:
-
Armin Wolf authored
Until now, the dell-wmi-ddv driver needs to be manually patched and compiled to test compatibility with unknown DDV WMI interface versions. Add a module param to allow users to force loading even when a unknown interface version was detected. Since this might cause various unwanted side effects, the module param is marked as unsafe. Signed-off-by:
Armin Wolf <W_Armin@gmx.de> Link: https://lore.kernel.org/r/20230126194021.381092-5-W_Armin@gmx.deReviewed-by:
-
Armin Wolf authored
When the ACPI WMI interface returns a valid ACPI object which has the wrong type, then ENOMSG instead of EIO should be returned, since the WMI method was still successfully evaluated. Signed-off-by:
-
Armin Wolf authored
In several cases, the DDV WMI interface can return buffers with a length of zero. Return -ENODATA in such a case for proper error handling. Also replace some -EIO errors with more specialized ones. Signed-off-by:
-
Armin Wolf authored
While trying to solve a bugreport on bugzilla, i learned that some devices (for example the Dell XPS 17 9710) provide a more recent DDV WMI interface (version 3). Since the new interface version just adds an additional method, no code changes are necessary apart from whitelisting the version. Signed-off-by:
-
