F: drivers/platform/x86/asus*.c
F: drivers/platform/x86/eeepc*.c
+ASUS WIRELESS RADIO CONTROL DRIVER
+M: João Paulo Rechi Vita <jprvita@gmail.com>
+L: platform-driver-x86@vger.kernel.org
+S: Maintained
+F: drivers/platform/x86/asus-wireless.c
+
ASYNCHRONOUS TRANSFERS/TRANSFORMS (IOAT) API
R: Dan Williams <dan.j.williams@intel.com>
W: http://sourceforge.net/projects/xscaleiop
S: Supported
F: drivers/scsi/isci/
+INTEL HID EVENT DRIVER
+M: Alex Hung <alex.hung@canonical.com>
+L: platform-driver-x86@vger.kernel.org
+S: Maintained
+F: drivers/platform/x86/intel-hid.c
+
INTEL IDLE DRIVER
M: Len Brown <lenb@kernel.org>
L: linux-pm@vger.kernel.org
F: drivers/dma/mic_x100_dma.h
F Documentation/mic/
-INTEL PMC IPC DRIVER
+INTEL PMC/P-Unit IPC DRIVER
M: Zha Qipeng<qipeng.zha@intel.com>
L: platform-driver-x86@vger.kernel.org
S: Maintained
F: drivers/platform/x86/intel_pmc_ipc.c
+F: drivers/platform/x86/intel_punit_ipc.c
F: arch/x86/include/asm/intel_pmc_ipc.h
+F: arch/x86/include/asm/intel_punit_ipc.h
+
+INTEL TELEMETRY DRIVER
+M: Souvik Kumar Chakravarty <souvik.k.chakravarty@intel.com>
+L: platform-driver-x86@vger.kernel.org
+S: Maintained
+F: drivers/platform/x86/intel_telemetry_core.c
+F: arch/x86/include/asm/intel_telemetry.h
+F: drivers/platform/x86/intel_telemetry_pltdrv.c
+F: drivers/platform/x86/intel_telemetry_debugfs.c
IOC3 ETHERNET DRIVER
M: Ralf Baechle <ralf@linux-mips.org>
--- /dev/null
+#ifndef _ASM_X86_INTEL_PUNIT_IPC_H_
+#define _ASM_X86_INTEL_PUNIT_IPC_H_
+
+/*
+ * Three types of 8bit P-Unit IPC commands are supported,
+ * bit[7:6]: [00]: BIOS; [01]: GTD; [10]: ISPD.
+ */
+typedef enum {
+ BIOS_IPC = 0,
+ GTDRIVER_IPC,
+ ISPDRIVER_IPC,
+ RESERVED_IPC,
+} IPC_TYPE;
+
+#define IPC_TYPE_OFFSET 6
+#define IPC_PUNIT_BIOS_CMD_BASE (BIOS_IPC << IPC_TYPE_OFFSET)
+#define IPC_PUNIT_GTD_CMD_BASE (GTDDRIVER_IPC << IPC_TYPE_OFFSET)
+#define IPC_PUNIT_ISPD_CMD_BASE (ISPDRIVER_IPC << IPC_TYPE_OFFSET)
+#define IPC_PUNIT_CMD_TYPE_MASK (RESERVED_IPC << IPC_TYPE_OFFSET)
+
+/* BIOS => Pcode commands */
+#define IPC_PUNIT_BIOS_ZERO (IPC_PUNIT_BIOS_CMD_BASE | 0x00)
+#define IPC_PUNIT_BIOS_VR_INTERFACE (IPC_PUNIT_BIOS_CMD_BASE | 0x01)
+#define IPC_PUNIT_BIOS_READ_PCS (IPC_PUNIT_BIOS_CMD_BASE | 0x02)
+#define IPC_PUNIT_BIOS_WRITE_PCS (IPC_PUNIT_BIOS_CMD_BASE | 0x03)
+#define IPC_PUNIT_BIOS_READ_PCU_CONFIG (IPC_PUNIT_BIOS_CMD_BASE | 0x04)
+#define IPC_PUNIT_BIOS_WRITE_PCU_CONFIG (IPC_PUNIT_BIOS_CMD_BASE | 0x05)
+#define IPC_PUNIT_BIOS_READ_PL1_SETTING (IPC_PUNIT_BIOS_CMD_BASE | 0x06)
+#define IPC_PUNIT_BIOS_WRITE_PL1_SETTING (IPC_PUNIT_BIOS_CMD_BASE | 0x07)
+#define IPC_PUNIT_BIOS_TRIGGER_VDD_RAM (IPC_PUNIT_BIOS_CMD_BASE | 0x08)
+#define IPC_PUNIT_BIOS_READ_TELE_INFO (IPC_PUNIT_BIOS_CMD_BASE | 0x09)
+#define IPC_PUNIT_BIOS_READ_TELE_TRACE_CTRL (IPC_PUNIT_BIOS_CMD_BASE | 0x0a)
+#define IPC_PUNIT_BIOS_WRITE_TELE_TRACE_CTRL (IPC_PUNIT_BIOS_CMD_BASE | 0x0b)
+#define IPC_PUNIT_BIOS_READ_TELE_EVENT_CTRL (IPC_PUNIT_BIOS_CMD_BASE | 0x0c)
+#define IPC_PUNIT_BIOS_WRITE_TELE_EVENT_CTRL (IPC_PUNIT_BIOS_CMD_BASE | 0x0d)
+#define IPC_PUNIT_BIOS_READ_TELE_TRACE (IPC_PUNIT_BIOS_CMD_BASE | 0x0e)
+#define IPC_PUNIT_BIOS_WRITE_TELE_TRACE (IPC_PUNIT_BIOS_CMD_BASE | 0x0f)
+#define IPC_PUNIT_BIOS_READ_TELE_EVENT (IPC_PUNIT_BIOS_CMD_BASE | 0x10)
+#define IPC_PUNIT_BIOS_WRITE_TELE_EVENT (IPC_PUNIT_BIOS_CMD_BASE | 0x11)
+#define IPC_PUNIT_BIOS_READ_MODULE_TEMP (IPC_PUNIT_BIOS_CMD_BASE | 0x12)
+#define IPC_PUNIT_BIOS_RESERVED (IPC_PUNIT_BIOS_CMD_BASE | 0x13)
+#define IPC_PUNIT_BIOS_READ_VOLTAGE_OVER (IPC_PUNIT_BIOS_CMD_BASE | 0x14)
+#define IPC_PUNIT_BIOS_WRITE_VOLTAGE_OVER (IPC_PUNIT_BIOS_CMD_BASE | 0x15)
+#define IPC_PUNIT_BIOS_READ_RATIO_OVER (IPC_PUNIT_BIOS_CMD_BASE | 0x16)
+#define IPC_PUNIT_BIOS_WRITE_RATIO_OVER (IPC_PUNIT_BIOS_CMD_BASE | 0x17)
+#define IPC_PUNIT_BIOS_READ_VF_GL_CTRL (IPC_PUNIT_BIOS_CMD_BASE | 0x18)
+#define IPC_PUNIT_BIOS_WRITE_VF_GL_CTRL (IPC_PUNIT_BIOS_CMD_BASE | 0x19)
+#define IPC_PUNIT_BIOS_READ_FM_SOC_TEMP_THRESH (IPC_PUNIT_BIOS_CMD_BASE | 0x1a)
+#define IPC_PUNIT_BIOS_WRITE_FM_SOC_TEMP_THRESH (IPC_PUNIT_BIOS_CMD_BASE | 0x1b)
+
+/* GT Driver => Pcode commands */
+#define IPC_PUNIT_GTD_ZERO (IPC_PUNIT_GTD_CMD_BASE | 0x00)
+#define IPC_PUNIT_GTD_CONFIG (IPC_PUNIT_GTD_CMD_BASE | 0x01)
+#define IPC_PUNIT_GTD_READ_ICCP_LIC_CDYN_SCAL (IPC_PUNIT_GTD_CMD_BASE | 0x02)
+#define IPC_PUNIT_GTD_WRITE_ICCP_LIC_CDYN_SCAL (IPC_PUNIT_GTD_CMD_BASE | 0x03)
+#define IPC_PUNIT_GTD_GET_WM_VAL (IPC_PUNIT_GTD_CMD_BASE | 0x06)
+#define IPC_PUNIT_GTD_WRITE_CONFIG_WISHREQ (IPC_PUNIT_GTD_CMD_BASE | 0x07)
+#define IPC_PUNIT_GTD_READ_REQ_DUTY_CYCLE (IPC_PUNIT_GTD_CMD_BASE | 0x16)
+#define IPC_PUNIT_GTD_DIS_VOL_FREQ_CHG_REQUEST (IPC_PUNIT_GTD_CMD_BASE | 0x17)
+#define IPC_PUNIT_GTD_DYNA_DUTY_CYCLE_CTRL (IPC_PUNIT_GTD_CMD_BASE | 0x1a)
+#define IPC_PUNIT_GTD_DYNA_DUTY_CYCLE_TUNING (IPC_PUNIT_GTD_CMD_BASE | 0x1c)
+
+/* ISP Driver => Pcode commands */
+#define IPC_PUNIT_ISPD_ZERO (IPC_PUNIT_ISPD_CMD_BASE | 0x00)
+#define IPC_PUNIT_ISPD_CONFIG (IPC_PUNIT_ISPD_CMD_BASE | 0x01)
+#define IPC_PUNIT_ISPD_GET_ISP_LTR_VAL (IPC_PUNIT_ISPD_CMD_BASE | 0x02)
+#define IPC_PUNIT_ISPD_ACCESS_IU_FREQ_BOUNDS (IPC_PUNIT_ISPD_CMD_BASE | 0x03)
+#define IPC_PUNIT_ISPD_READ_CDYN_LEVEL (IPC_PUNIT_ISPD_CMD_BASE | 0x04)
+#define IPC_PUNIT_ISPD_WRITE_CDYN_LEVEL (IPC_PUNIT_ISPD_CMD_BASE | 0x05)
+
+/* Error codes */
+#define IPC_PUNIT_ERR_SUCCESS 0
+#define IPC_PUNIT_ERR_INVALID_CMD 1
+#define IPC_PUNIT_ERR_INVALID_PARAMETER 2
+#define IPC_PUNIT_ERR_CMD_TIMEOUT 3
+#define IPC_PUNIT_ERR_CMD_LOCKED 4
+#define IPC_PUNIT_ERR_INVALID_VR_ID 5
+#define IPC_PUNIT_ERR_VR_ERR 6
+
+#if IS_ENABLED(CONFIG_INTEL_PUNIT_IPC)
+
+int intel_punit_ipc_simple_command(int cmd, int para1, int para2);
+int intel_punit_ipc_command(u32 cmd, u32 para1, u32 para2, u32 *in, u32 *out);
+
+#else
+
+static inline int intel_punit_ipc_simple_command(int cmd,
+ int para1, int para2)
+{
+ return -ENODEV;
+}
+
+static inline int intel_punit_ipc_command(u32 cmd, u32 para1, u32 para2,
+ u32 *in, u32 *out)
+{
+ return -ENODEV;
+}
+
+#endif /* CONFIG_INTEL_PUNIT_IPC */
+
+#endif
--- /dev/null
+/*
+ * Intel SOC Telemetry Driver Header File
+ * Copyright (C) 2015, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ */
+#ifndef INTEL_TELEMETRY_H
+#define INTEL_TELEMETRY_H
+
+#define TELEM_MAX_EVENTS_SRAM 28
+#define TELEM_MAX_OS_ALLOCATED_EVENTS 20
+
+enum telemetry_unit {
+ TELEM_PSS = 0,
+ TELEM_IOSS,
+ TELEM_UNIT_NONE
+};
+
+struct telemetry_evtlog {
+ u32 telem_evtid;
+ u64 telem_evtlog;
+};
+
+struct telemetry_evtconfig {
+ /* Array of Event-IDs to Enable */
+ u32 *evtmap;
+
+ /* Number of Events (<29) in evtmap */
+ u8 num_evts;
+
+ /* Sampling period */
+ u8 period;
+};
+
+struct telemetry_evtmap {
+ const char *name;
+ u32 evt_id;
+};
+
+struct telemetry_unit_config {
+ struct telemetry_evtmap *telem_evts;
+ void __iomem *regmap;
+ u32 ssram_base_addr;
+ u8 ssram_evts_used;
+ u8 curr_period;
+ u8 max_period;
+ u8 min_period;
+ u32 ssram_size;
+
+};
+
+struct telemetry_plt_config {
+ struct telemetry_unit_config pss_config;
+ struct telemetry_unit_config ioss_config;
+ struct mutex telem_trace_lock;
+ struct mutex telem_lock;
+ bool telem_in_use;
+};
+
+struct telemetry_core_ops {
+ int (*get_sampling_period)(u8 *pss_min_period, u8 *pss_max_period,
+ u8 *ioss_min_period, u8 *ioss_max_period);
+
+ int (*get_eventconfig)(struct telemetry_evtconfig *pss_evtconfig,
+ struct telemetry_evtconfig *ioss_evtconfig,
+ int pss_len, int ioss_len);
+
+ int (*update_events)(struct telemetry_evtconfig pss_evtconfig,
+ struct telemetry_evtconfig ioss_evtconfig);
+
+ int (*set_sampling_period)(u8 pss_period, u8 ioss_period);
+
+ int (*get_trace_verbosity)(enum telemetry_unit telem_unit,
+ u32 *verbosity);
+
+ int (*set_trace_verbosity)(enum telemetry_unit telem_unit,
+ u32 verbosity);
+
+ int (*raw_read_eventlog)(enum telemetry_unit telem_unit,
+ struct telemetry_evtlog *evtlog,
+ int len, int log_all_evts);
+
+ int (*read_eventlog)(enum telemetry_unit telem_unit,
+ struct telemetry_evtlog *evtlog,
+ int len, int log_all_evts);
+
+ int (*add_events)(u8 num_pss_evts, u8 num_ioss_evts,
+ u32 *pss_evtmap, u32 *ioss_evtmap);
+
+ int (*reset_events)(void);
+};
+
+int telemetry_set_pltdata(struct telemetry_core_ops *ops,
+ struct telemetry_plt_config *pltconfig);
+
+int telemetry_clear_pltdata(void);
+
+int telemetry_pltconfig_valid(void);
+
+int telemetry_get_evtname(enum telemetry_unit telem_unit,
+ const char **name, int len);
+
+int telemetry_update_events(struct telemetry_evtconfig pss_evtconfig,
+ struct telemetry_evtconfig ioss_evtconfig);
+
+int telemetry_add_events(u8 num_pss_evts, u8 num_ioss_evts,
+ u32 *pss_evtmap, u32 *ioss_evtmap);
+
+int telemetry_reset_events(void);
+
+int telemetry_get_eventconfig(struct telemetry_evtconfig *pss_config,
+ struct telemetry_evtconfig *ioss_config,
+ int pss_len, int ioss_len);
+
+int telemetry_read_events(enum telemetry_unit telem_unit,
+ struct telemetry_evtlog *evtlog, int len);
+
+int telemetry_raw_read_events(enum telemetry_unit telem_unit,
+ struct telemetry_evtlog *evtlog, int len);
+
+int telemetry_read_eventlog(enum telemetry_unit telem_unit,
+ struct telemetry_evtlog *evtlog, int len);
+
+int telemetry_raw_read_eventlog(enum telemetry_unit telem_unit,
+ struct telemetry_evtlog *evtlog, int len);
+
+int telemetry_get_sampling_period(u8 *pss_min_period, u8 *pss_max_period,
+ u8 *ioss_min_period, u8 *ioss_max_period);
+
+int telemetry_set_sampling_period(u8 pss_period, u8 ioss_period);
+
+int telemetry_set_trace_verbosity(enum telemetry_unit telem_unit,
+ u32 verbosity);
+
+int telemetry_get_trace_verbosity(enum telemetry_unit telem_unit,
+ u32 *verbosity);
+
+#endif /* INTEL_TELEMETRY_H */
If you have an ACPI-WMI compatible Eee PC laptop (>= 1000), say Y or M
here.
+config ASUS_WIRELESS
+ tristate "Asus Wireless Radio Control Driver"
+ depends on ACPI
+ depends on INPUT
+ ---help---
+ The Asus Wireless Radio Control handles the airplane mode hotkey
+ present on some Asus laptops.
+
+ Say Y or M here if you have an ASUS notebook with an airplane mode
+ hotkey.
+
+ If you choose to compile this driver as a module the module will be
+ called asus-wireless.
+
config ACPI_WMI
tristate "WMI"
depends on ACPI
depends on INPUT
depends on SERIO_I8042 || SERIO_I8042 = n
depends on ACPI_VIDEO || ACPI_VIDEO = n
+ depends on RFKILL || RFKILL = n
select INPUT_POLLDEV
select INPUT_SPARSEKMAP
---help---
keys as input device, backlight device, tablet and accelerometer
devices.
+config INTEL_HID_EVENT
+ tristate "INTEL HID Event"
+ depends on ACPI
+ depends on INPUT
+ select INPUT_SPARSEKMAP
+ help
+ This driver provides support for the Intel HID Event hotkey interface.
+ Some laptops require this driver for hotkey support.
+
+ To compile this driver as a module, choose M here: the module will
+ be called intel_hid.
+
config INTEL_SCU_IPC
bool "Intel SCU IPC Support"
depends on X86_INTEL_MID
with other entities in the CPU.
config SURFACE_PRO3_BUTTON
- tristate "Power/home/volume buttons driver for Microsoft Surface Pro 3 tablet"
+ tristate "Power/home/volume buttons driver for Microsoft Surface Pro 3/4 tablet"
depends on ACPI && INPUT
---help---
- This driver handles the power/home/volume buttons on the Microsoft Surface Pro 3 tablet.
+ This driver handles the power/home/volume buttons on the Microsoft Surface Pro 3/4 tablet.
+
+config INTEL_PUNIT_IPC
+ tristate "Intel P-Unit IPC Driver"
+ ---help---
+ This driver provides support for Intel P-Unit Mailbox IPC mechanism,
+ which is used to bridge the communications between kernel and P-Unit.
+
+config INTEL_TELEMETRY
+ tristate "Intel SoC Telemetry Driver"
+ default n
+ depends on INTEL_PMC_IPC && INTEL_PUNIT_IPC && X86_64
+ ---help---
+ This driver provides interfaces to configure and use
+ telemetry for INTEL SoC from APL onwards. It is also
+ used to get various SoC events and parameters
+ directly via debugfs files. Various tools may use
+ this interface for SoC state monitoring.
endif # X86_PLATFORM_DEVICES
obj-$(CONFIG_ASUS_LAPTOP) += asus-laptop.o
obj-$(CONFIG_ASUS_WMI) += asus-wmi.o
obj-$(CONFIG_ASUS_NB_WMI) += asus-nb-wmi.o
+obj-$(CONFIG_ASUS_WIRELESS) += asus-wireless.o
obj-$(CONFIG_EEEPC_LAPTOP) += eeepc-laptop.o
obj-$(CONFIG_EEEPC_WMI) += eeepc-wmi.o
obj-$(CONFIG_MSI_LAPTOP) += msi-laptop.o
obj-$(CONFIG_TOSHIBA_BT_RFKILL) += toshiba_bluetooth.o
obj-$(CONFIG_TOSHIBA_HAPS) += toshiba_haps.o
obj-$(CONFIG_TOSHIBA_WMI) += toshiba-wmi.o
+obj-$(CONFIG_INTEL_HID_EVENT) += intel-hid.o
obj-$(CONFIG_INTEL_SCU_IPC) += intel_scu_ipc.o
obj-$(CONFIG_INTEL_SCU_IPC_UTIL) += intel_scu_ipcutil.o
obj-$(CONFIG_INTEL_MFLD_THERMAL) += intel_mid_thermal.o
obj-$(CONFIG_ALIENWARE_WMI) += alienware-wmi.o
obj-$(CONFIG_INTEL_PMC_IPC) += intel_pmc_ipc.o
obj-$(CONFIG_SURFACE_PRO3_BUTTON) += surfacepro3_button.o
+obj-$(CONFIG_INTEL_PUNIT_IPC) += intel_punit_ipc.o
+obj-$(CONFIG_INTEL_TELEMETRY) += intel_telemetry_core.o \
+ intel_telemetry_pltdrv.o \
+ intel_telemetry_debugfs.o
gmux_data->gpe = -1;
}
+ apple_gmux_data = gmux_data;
+ init_completion(&gmux_data->powerchange_done);
+ gmux_enable_interrupts(gmux_data);
+
if (vga_switcheroo_register_handler(&gmux_handler)) {
ret = -ENODEV;
goto err_register_handler;
}
- init_completion(&gmux_data->powerchange_done);
- apple_gmux_data = gmux_data;
- gmux_enable_interrupts(gmux_data);
-
return 0;
err_register_handler:
+ gmux_disable_interrupts(gmux_data);
+ apple_gmux_data = NULL;
if (gmux_data->gpe >= 0)
acpi_disable_gpe(NULL, gmux_data->gpe);
err_enable_gpe:
--- /dev/null
+/*
+ * Asus Wireless Radio Control Driver
+ *
+ * Copyright (C) 2015-2016 Endless Mobile, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/acpi.h>
+#include <linux/input.h>
+#include <linux/pci_ids.h>
+
+struct asus_wireless_data {
+ struct input_dev *idev;
+};
+
+static void asus_wireless_notify(struct acpi_device *adev, u32 event)
+{
+ struct asus_wireless_data *data = acpi_driver_data(adev);
+
+ dev_dbg(&adev->dev, "event=%#x\n", event);
+ if (event != 0x88) {
+ dev_notice(&adev->dev, "Unknown ASHS event: %#x\n", event);
+ return;
+ }
+ input_report_key(data->idev, KEY_RFKILL, 1);
+ input_report_key(data->idev, KEY_RFKILL, 0);
+ input_sync(data->idev);
+}
+
+static int asus_wireless_add(struct acpi_device *adev)
+{
+ struct asus_wireless_data *data;
+
+ data = devm_kzalloc(&adev->dev, sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+ adev->driver_data = data;
+
+ data->idev = devm_input_allocate_device(&adev->dev);
+ if (!data->idev)
+ return -ENOMEM;
+ data->idev->name = "Asus Wireless Radio Control";
+ data->idev->phys = "asus-wireless/input0";
+ data->idev->id.bustype = BUS_HOST;
+ data->idev->id.vendor = PCI_VENDOR_ID_ASUSTEK;
+ set_bit(EV_KEY, data->idev->evbit);
+ set_bit(KEY_RFKILL, data->idev->keybit);
+ return input_register_device(data->idev);
+}
+
+static int asus_wireless_remove(struct acpi_device *adev)
+{
+ return 0;
+}
+
+static const struct acpi_device_id device_ids[] = {
+ {"ATK4001", 0},
+ {"ATK4002", 0},
+ {"", 0},
+};
+MODULE_DEVICE_TABLE(acpi, device_ids);
+
+static struct acpi_driver asus_wireless_driver = {
+ .name = "Asus Wireless Radio Control Driver",
+ .class = "hotkey",
+ .ids = device_ids,
+ .ops = {
+ .add = asus_wireless_add,
+ .remove = asus_wireless_remove,
+ .notify = asus_wireless_notify,
+ },
+};
+module_acpi_driver(asus_wireless_driver);
+
+MODULE_DESCRIPTION("Asus Wireless Radio Control Driver");
+MODULE_AUTHOR("João Paulo Rechi Vita <jprvita@gmail.com>");
+MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Asus Generic WMI Driver");
MODULE_LICENSE("GPL");
-#define to_platform_driver(drv) \
- (container_of((drv), struct platform_driver, driver))
-
#define to_asus_wmi_driver(pdrv) \
(container_of((pdrv), struct asus_wmi_driver, platform_driver))
* Dell WMI hotkeys
*
* Copyright (C) 2008 Red Hat <mjg@redhat.com>
+ * Copyright (C) 2014-2015 Pali Rohár <pali.rohar@gmail.com>
*
* Portions based on wistron_btns.c:
* Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
#include <acpi/video.h>
MODULE_AUTHOR("Matthew Garrett <mjg@redhat.com>");
+MODULE_AUTHOR("Pali Rohár <pali.rohar@gmail.com>");
MODULE_DESCRIPTION("Dell laptop WMI hotkeys driver");
MODULE_LICENSE("GPL");
#define DELL_EVENT_GUID "9DBB5994-A997-11DA-B012-B622A1EF5492"
+#define DELL_DESCRIPTOR_GUID "8D9DDCBC-A997-11DA-B012-B622A1EF5492"
+
+static u32 dell_wmi_interface_version;
MODULE_ALIAS("wmi:"DELL_EVENT_GUID);
+MODULE_ALIAS("wmi:"DELL_DESCRIPTOR_GUID);
/*
* Certain keys are flagged as KE_IGNORE. All of these are either
static const struct dell_bios_hotkey_table *dell_bios_hotkey_table;
+/* Uninitialized entries here are KEY_RESERVED == 0. */
static const u16 bios_to_linux_keycode[256] __initconst = {
-
- KEY_MEDIA, KEY_NEXTSONG, KEY_PLAYPAUSE, KEY_PREVIOUSSONG,
- KEY_STOPCD, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
- KEY_WWW, KEY_UNKNOWN, KEY_VOLUMEDOWN, KEY_MUTE,
- KEY_VOLUMEUP, KEY_UNKNOWN, KEY_BATTERY, KEY_EJECTCD,
- KEY_UNKNOWN, KEY_SLEEP, KEY_PROG1, KEY_BRIGHTNESSDOWN,
- KEY_BRIGHTNESSUP, KEY_UNKNOWN, KEY_KBDILLUMTOGGLE,
- KEY_UNKNOWN, KEY_SWITCHVIDEOMODE, KEY_UNKNOWN, KEY_UNKNOWN,
- KEY_SWITCHVIDEOMODE, KEY_UNKNOWN, KEY_UNKNOWN, KEY_PROG2,
- KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
- KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_MICMUTE,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, KEY_PROG3
+ [0] = KEY_MEDIA,
+ [1] = KEY_NEXTSONG,
+ [2] = KEY_PLAYPAUSE,
+ [3] = KEY_PREVIOUSSONG,
+ [4] = KEY_STOPCD,
+ [5] = KEY_UNKNOWN,
+ [6] = KEY_UNKNOWN,
+ [7] = KEY_UNKNOWN,
+ [8] = KEY_WWW,
+ [9] = KEY_UNKNOWN,
+ [10] = KEY_VOLUMEDOWN,
+ [11] = KEY_MUTE,
+ [12] = KEY_VOLUMEUP,
+ [13] = KEY_UNKNOWN,
+ [14] = KEY_BATTERY,
+ [15] = KEY_EJECTCD,
+ [16] = KEY_UNKNOWN,
+ [17] = KEY_SLEEP,
+ [18] = KEY_PROG1,
+ [19] = KEY_BRIGHTNESSDOWN,
+ [20] = KEY_BRIGHTNESSUP,
+ [21] = KEY_UNKNOWN,
+ [22] = KEY_KBDILLUMTOGGLE,
+ [23] = KEY_UNKNOWN,
+ [24] = KEY_SWITCHVIDEOMODE,
+ [25] = KEY_UNKNOWN,
+ [26] = KEY_UNKNOWN,
+ [27] = KEY_SWITCHVIDEOMODE,
+ [28] = KEY_UNKNOWN,
+ [29] = KEY_UNKNOWN,
+ [30] = KEY_PROG2,
+ [31] = KEY_UNKNOWN,
+ [32] = KEY_UNKNOWN,
+ [33] = KEY_UNKNOWN,
+ [34] = KEY_UNKNOWN,
+ [35] = KEY_UNKNOWN,
+ [36] = KEY_UNKNOWN,
+ [37] = KEY_UNKNOWN,
+ [38] = KEY_MICMUTE,
+ [255] = KEY_PROG3,
};
static struct input_dev *dell_wmi_input_dev;
key = sparse_keymap_entry_from_scancode(dell_wmi_input_dev,
reported_key);
if (!key) {
- pr_info("Unknown key %x pressed\n", reported_key);
+ pr_info("Unknown key with scancode 0x%x pressed\n",
+ reported_key);
return;
}
buffer_end = buffer_entry + buffer_size;
+ /*
+ * BIOS/ACPI on devices with WMI interface version 0 does not clear
+ * buffer before filling it. So next time when BIOS/ACPI send WMI event
+ * which is smaller as previous then it contains garbage in buffer from
+ * previous event.
+ *
+ * BIOS/ACPI on devices with WMI interface version 1 clears buffer and
+ * sometimes send more events in buffer at one call.
+ *
+ * So to prevent reading garbage from buffer we will process only first
+ * one event on devices with WMI interface version 0.
+ */
+ if (dell_wmi_interface_version == 0 && buffer_entry < buffer_end)
+ if (buffer_end > buffer_entry + buffer_entry[0] + 1)
+ buffer_end = buffer_entry + buffer_entry[0] + 1;
+
while (buffer_entry < buffer_end) {
len = buffer_entry[0];
for (i = 0; i < hotkey_num; i++) {
const struct dell_bios_keymap_entry *bios_entry =
&dell_bios_hotkey_table->keymap[i];
- u16 keycode = bios_entry->keycode < 256 ?
- bios_to_linux_keycode[bios_entry->keycode] :
- KEY_RESERVED;
+
+ /* Uninitialized entries are 0 aka KEY_RESERVED. */
+ u16 keycode = (bios_entry->keycode <
+ ARRAY_SIZE(bios_to_linux_keycode)) ?
+ bios_to_linux_keycode[bios_entry->keycode] :
+ KEY_RESERVED;
+
+ /*
+ * Log if we find an entry in the DMI table that we don't
+ * understand. If this happens, we should figure out what
+ * the entry means and add it to bios_to_linux_keycode.
+ */
+ if (keycode == KEY_RESERVED) {
+ pr_info("firmware scancode 0x%x maps to unrecognized keycode 0x%x\n",
+ bios_entry->scancode, bios_entry->keycode);
+ continue;
+ }
if (keycode == KEY_KBDILLUMTOGGLE)
keymap[i].type = KE_IGNORE;
}
}
+/*
+ * Descriptor buffer is 128 byte long and contains:
+ *
+ * Name Offset Length Value
+ * Vendor Signature 0 4 "DELL"
+ * Object Signature 4 4 " WMI"
+ * WMI Interface Version 8 4 <version>
+ * WMI buffer length 12 4 4096
+ */
+static int __init dell_wmi_check_descriptor_buffer(void)
+{
+ struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
+ union acpi_object *obj;
+ acpi_status status;
+ u32 *buffer;
+
+ status = wmi_query_block(DELL_DESCRIPTOR_GUID, 0, &out);
+ if (ACPI_FAILURE(status)) {
+ pr_err("Cannot read Dell descriptor buffer - %d\n", status);
+ return status;
+ }
+
+ obj = (union acpi_object *)out.pointer;
+ if (!obj) {
+ pr_err("Dell descriptor buffer is empty\n");
+ return -EINVAL;
+ }
+
+ if (obj->type != ACPI_TYPE_BUFFER) {
+ pr_err("Cannot read Dell descriptor buffer\n");
+ kfree(obj);
+ return -EINVAL;
+ }
+
+ if (obj->buffer.length != 128) {
+ pr_err("Dell descriptor buffer has invalid length (%d)\n",
+ obj->buffer.length);
+ if (obj->buffer.length < 16) {
+ kfree(obj);
+ return -EINVAL;
+ }
+ }
+
+ buffer = (u32 *)obj->buffer.pointer;
+
+ if (buffer[0] != 0x4C4C4544 && buffer[1] != 0x494D5720)
+ pr_warn("Dell descriptor buffer has invalid signature (%*ph)\n",
+ 8, buffer);
+
+ if (buffer[2] != 0 && buffer[2] != 1)
+ pr_warn("Dell descriptor buffer has unknown version (%d)\n",
+ buffer[2]);
+
+ if (buffer[3] != 4096)
+ pr_warn("Dell descriptor buffer has invalid buffer length (%d)\n",
+ buffer[3]);
+
+ dell_wmi_interface_version = buffer[2];
+
+ pr_info("Detected Dell WMI interface version %u\n",
+ dell_wmi_interface_version);
+
+ kfree(obj);
+ return 0;
+}
+
static int __init dell_wmi_init(void)
{
int err;
acpi_status status;
- if (!wmi_has_guid(DELL_EVENT_GUID)) {
- pr_warn("No known WMI GUID found\n");
+ if (!wmi_has_guid(DELL_EVENT_GUID) ||
+ !wmi_has_guid(DELL_DESCRIPTOR_GUID)) {
+ pr_warn("Dell WMI GUID were not found\n");
return -ENODEV;
}
+ err = dell_wmi_check_descriptor_buffer();
+ if (err)
+ return err;
+
dmi_walk(find_hk_type, NULL);
err = dell_wmi_input_setup();
DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo G50-30"),
},
},
+ {
+ .ident = "Lenovo ideapad Y700-17ISK",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo ideapad Y700-17ISK"),
+ },
+ },
{
.ident = "Lenovo Yoga 2 11 / 13 / Pro",
.matches = {
--- /dev/null
+/*
+ * Intel HID event driver for Windows 8
+ *
+ * Copyright (C) 2015 Alex Hung <alex.hung@canonical.com>
+ * Copyright (C) 2015 Andrew Lutomirski <luto@kernel.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/platform_device.h>
+#include <linux/input/sparse-keymap.h>
+#include <linux/acpi.h>
+#include <acpi/acpi_bus.h>
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Alex Hung");
+
+static const struct acpi_device_id intel_hid_ids[] = {
+ {"INT33D5", 0},
+ {"", 0},
+};
+
+/* In theory, these are HID usages. */
+static const struct key_entry intel_hid_keymap[] = {
+ /* 1: LSuper (Page 0x07, usage 0xE3) -- unclear what to do */
+ /* 2: Toggle SW_ROTATE_LOCK -- easy to implement if seen in wild */
+ { KE_KEY, 3, { KEY_NUMLOCK } },
+ { KE_KEY, 4, { KEY_HOME } },
+ { KE_KEY, 5, { KEY_END } },
+ { KE_KEY, 6, { KEY_PAGEUP } },
+ { KE_KEY, 4, { KEY_PAGEDOWN } },
+ { KE_KEY, 4, { KEY_HOME } },
+ { KE_KEY, 8, { KEY_RFKILL } },
+ { KE_KEY, 9, { KEY_POWER } },
+ { KE_KEY, 11, { KEY_SLEEP } },
+ /* 13 has two different meanings in the spec -- ignore it. */
+ { KE_KEY, 14, { KEY_STOPCD } },
+ { KE_KEY, 15, { KEY_PLAYPAUSE } },
+ { KE_KEY, 16, { KEY_MUTE } },
+ { KE_KEY, 17, { KEY_VOLUMEUP } },
+ { KE_KEY, 18, { KEY_VOLUMEDOWN } },
+ { KE_KEY, 19, { KEY_BRIGHTNESSUP } },
+ { KE_KEY, 20, { KEY_BRIGHTNESSDOWN } },
+ /* 27: wake -- needs special handling */
+ { KE_END },
+};
+
+struct intel_hid_priv {
+ struct input_dev *input_dev;
+};
+
+static int intel_hid_set_enable(struct device *device, int enable)
+{
+ union acpi_object arg0 = { ACPI_TYPE_INTEGER };
+ struct acpi_object_list args = { 1, &arg0 };
+ acpi_status status;
+
+ arg0.integer.value = enable;
+ status = acpi_evaluate_object(ACPI_HANDLE(device), "HDSM", &args, NULL);
+ if (!ACPI_SUCCESS(status)) {
+ dev_warn(device, "failed to %sable hotkeys\n",
+ enable ? "en" : "dis");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int intel_hid_pl_suspend_handler(struct device *device)
+{
+ intel_hid_set_enable(device, 0);
+ return 0;
+}
+
+static int intel_hid_pl_resume_handler(struct device *device)
+{
+ intel_hid_set_enable(device, 1);
+ return 0;
+}
+
+static const struct dev_pm_ops intel_hid_pl_pm_ops = {
+ .suspend = intel_hid_pl_suspend_handler,
+ .resume = intel_hid_pl_resume_handler,
+};
+
+static int intel_hid_input_setup(struct platform_device *device)
+{
+ struct intel_hid_priv *priv = dev_get_drvdata(&device->dev);
+ int ret;
+
+ priv->input_dev = input_allocate_device();
+ if (!priv->input_dev)
+ return -ENOMEM;
+
+ ret = sparse_keymap_setup(priv->input_dev, intel_hid_keymap, NULL);
+ if (ret)
+ goto err_free_device;
+
+ priv->input_dev->dev.parent = &device->dev;
+ priv->input_dev->name = "Intel HID events";
+ priv->input_dev->id.bustype = BUS_HOST;
+ set_bit(KEY_RFKILL, priv->input_dev->keybit);
+
+ ret = input_register_device(priv->input_dev);
+ if (ret)
+ goto err_free_device;
+
+ return 0;
+
+err_free_device:
+ input_free_device(priv->input_dev);
+ return ret;
+}
+
+static void intel_hid_input_destroy(struct platform_device *device)
+{
+ struct intel_hid_priv *priv = dev_get_drvdata(&device->dev);
+
+ input_unregister_device(priv->input_dev);
+}
+
+static void notify_handler(acpi_handle handle, u32 event, void *context)
+{
+ struct platform_device *device = context;
+ struct intel_hid_priv *priv = dev_get_drvdata(&device->dev);
+ unsigned long long ev_index;
+ acpi_status status;
+
+ /* The platform spec only defines one event code: 0xC0. */
+ if (event != 0xc0) {
+ dev_warn(&device->dev, "received unknown event (0x%x)\n",
+ event);
+ return;
+ }
+
+ status = acpi_evaluate_integer(handle, "HDEM", NULL, &ev_index);
+ if (!ACPI_SUCCESS(status)) {
+ dev_warn(&device->dev, "failed to get event index\n");
+ return;
+ }
+
+ if (!sparse_keymap_report_event(priv->input_dev, ev_index, 1, true))
+ dev_info(&device->dev, "unknown event index 0x%llx\n",
+ ev_index);
+}
+
+static int intel_hid_probe(struct platform_device *device)
+{
+ acpi_handle handle = ACPI_HANDLE(&device->dev);
+ struct intel_hid_priv *priv;
+ unsigned long long mode;
+ acpi_status status;
+ int err;
+
+ status = acpi_evaluate_integer(handle, "HDMM", NULL, &mode);
+ if (!ACPI_SUCCESS(status)) {
+ dev_warn(&device->dev, "failed to read mode\n");
+ return -ENODEV;
+ }
+
+ if (mode != 0) {
+ /*
+ * This driver only implements "simple" mode. There appear
+ * to be no other modes, but we should be paranoid and check
+ * for compatibility.
+ */
+ dev_info(&device->dev, "platform is not in simple mode\n");
+ return -ENODEV;
+ }
+
+ priv = devm_kzalloc(&device->dev,
+ sizeof(struct intel_hid_priv *), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+ dev_set_drvdata(&device->dev, priv);
+
+ err = intel_hid_input_setup(device);
+ if (err) {
+ pr_err("Failed to setup Intel HID hotkeys\n");
+ return err;
+ }
+
+ status = acpi_install_notify_handler(handle,
+ ACPI_DEVICE_NOTIFY,
+ notify_handler,
+ device);
+ if (ACPI_FAILURE(status)) {
+ err = -EBUSY;
+ goto err_remove_input;
+ }
+
+ err = intel_hid_set_enable(&device->dev, 1);
+ if (err)
+ goto err_remove_notify;
+
+ return 0;
+
+err_remove_notify:
+ acpi_remove_notify_handler(handle, ACPI_DEVICE_NOTIFY, notify_handler);
+
+err_remove_input:
+ intel_hid_input_destroy(device);
+
+ return err;
+}
+
+static int intel_hid_remove(struct platform_device *device)
+{
+ acpi_handle handle = ACPI_HANDLE(&device->dev);
+
+ acpi_remove_notify_handler(handle, ACPI_DEVICE_NOTIFY, notify_handler);
+ intel_hid_input_destroy(device);
+ intel_hid_set_enable(&device->dev, 0);
+ acpi_remove_notify_handler(handle, ACPI_DEVICE_NOTIFY, notify_handler);
+
+ /*
+ * Even if we failed to shut off the event stream, we can still
+ * safely detach from the device.
+ */
+ return 0;
+}
+
+static struct platform_driver intel_hid_pl_driver = {
+ .driver = {
+ .name = "intel-hid",
+ .acpi_match_table = intel_hid_ids,
+ .pm = &intel_hid_pl_pm_ops,
+ },
+ .probe = intel_hid_probe,
+ .remove = intel_hid_remove,
+};
+MODULE_DEVICE_TABLE(acpi, intel_hid_ids);
+
+/*
+ * Unfortunately, some laptops provide a _HID="INT33D5" device with
+ * _CID="PNP0C02". This causes the pnpacpi scan driver to claim the
+ * ACPI node, so no platform device will be created. The pnpacpi
+ * driver rejects this device in subsequent processing, so no physical
+ * node is created at all.
+ *
+ * As a workaround until the ACPI core figures out how to handle
+ * this corner case, manually ask the ACPI platform device code to
+ * claim the ACPI node.
+ */
+static acpi_status __init
+check_acpi_dev(acpi_handle handle, u32 lvl, void *context, void **rv)
+{
+ const struct acpi_device_id *ids = context;
+ struct acpi_device *dev;
+
+ if (acpi_bus_get_device(handle, &dev) != 0)
+ return AE_OK;
+
+ if (acpi_match_device_ids(dev, ids) == 0)
+ if (acpi_create_platform_device(dev))
+ dev_info(&dev->dev,
+ "intel-hid: created platform device\n");
+
+ return AE_OK;
+}
+
+static int __init intel_hid_init(void)
+{
+ acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
+ ACPI_UINT32_MAX, check_acpi_dev, NULL,
+ (void *)intel_hid_ids, NULL);
+
+ return platform_driver_register(&intel_hid_pl_driver);
+}
+module_init(intel_hid_init);
+
+static void __exit intel_hid_exit(void)
+{
+ platform_driver_unregister(&intel_hid_pl_driver);
+}
+module_exit(intel_hid_exit);
#define PLAT_RESOURCE_IPC_INDEX 0
#define PLAT_RESOURCE_IPC_SIZE 0x1000
#define PLAT_RESOURCE_GCR_SIZE 0x1000
-#define PLAT_RESOURCE_PUNIT_DATA_INDEX 1
-#define PLAT_RESOURCE_PUNIT_INTER_INDEX 2
+#define PLAT_RESOURCE_BIOS_DATA_INDEX 1
+#define PLAT_RESOURCE_BIOS_IFACE_INDEX 2
+#define PLAT_RESOURCE_TELEM_SSRAM_INDEX 3
+#define PLAT_RESOURCE_ISP_DATA_INDEX 4
+#define PLAT_RESOURCE_ISP_IFACE_INDEX 5
+#define PLAT_RESOURCE_GTD_DATA_INDEX 6
+#define PLAT_RESOURCE_GTD_IFACE_INDEX 7
#define PLAT_RESOURCE_ACPI_IO_INDEX 0
/*
#define TCO_BASE_OFFSET 0x60
#define TCO_REGS_SIZE 16
#define PUNIT_DEVICE_NAME "intel_punit_ipc"
+#define TELEMETRY_DEVICE_NAME "intel_telemetry"
+#define TELEM_SSRAM_SIZE 240
+#define TELEM_PMC_SSRAM_OFFSET 0x1B00
+#define TELEM_PUNIT_SSRAM_OFFSET 0x1A00
static const int iTCO_version = 3;
int gcr_size;
/* punit */
- resource_size_t punit_base;
- int punit_size;
- resource_size_t punit_base2;
- int punit_size2;
struct platform_device *punit_dev;
+
+ /* Telemetry */
+ resource_size_t telem_pmc_ssram_base;
+ resource_size_t telem_punit_ssram_base;
+ int telem_pmc_ssram_size;
+ int telem_punit_ssram_size;
+ u8 telem_res_inval;
+ struct platform_device *telemetry_dev;
} ipcdev;
static char *ipc_err_sources[] = {
.attrs = intel_ipc_attrs,
};
-#define PUNIT_RESOURCE_INTER 1
-static struct resource punit_res[] = {
- /* Punit */
+static struct resource punit_res_array[] = {
+ /* Punit BIOS */
+ {
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .flags = IORESOURCE_MEM,
+ },
+ /* Punit ISP */
+ {
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .flags = IORESOURCE_MEM,
+ },
+ /* Punit GTD */
{
.flags = IORESOURCE_MEM,
},
.version = 3,
};
+#define TELEMETRY_RESOURCE_PUNIT_SSRAM 0
+#define TELEMETRY_RESOURCE_PMC_SSRAM 1
+static struct resource telemetry_res[] = {
+ /*Telemetry*/
+ {
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .flags = IORESOURCE_MEM,
+ },
+};
+
static int ipc_create_punit_device(void)
{
struct platform_device *pdev;
- struct resource *res;
int ret;
pdev = platform_device_alloc(PUNIT_DEVICE_NAME, -1);
}
pdev->dev.parent = ipcdev.dev;
-
- res = punit_res;
- res->start = ipcdev.punit_base;
- res->end = res->start + ipcdev.punit_size - 1;
-
- res = punit_res + PUNIT_RESOURCE_INTER;
- res->start = ipcdev.punit_base2;
- res->end = res->start + ipcdev.punit_size2 - 1;
-
- ret = platform_device_add_resources(pdev, punit_res,
- ARRAY_SIZE(punit_res));
+ ret = platform_device_add_resources(pdev, punit_res_array,
+ ARRAY_SIZE(punit_res_array));
if (ret) {
dev_err(ipcdev.dev, "Failed to add platform punit resources\n");
goto err;
return ret;
}
+static int ipc_create_telemetry_device(void)
+{
+ struct platform_device *pdev;
+ struct resource *res;
+ int ret;
+
+ pdev = platform_device_alloc(TELEMETRY_DEVICE_NAME, -1);
+ if (!pdev) {
+ dev_err(ipcdev.dev,
+ "Failed to allocate telemetry platform device\n");
+ return -ENOMEM;
+ }
+
+ pdev->dev.parent = ipcdev.dev;
+
+ res = telemetry_res + TELEMETRY_RESOURCE_PUNIT_SSRAM;
+ res->start = ipcdev.telem_punit_ssram_base;
+ res->end = res->start + ipcdev.telem_punit_ssram_size - 1;
+
+ res = telemetry_res + TELEMETRY_RESOURCE_PMC_SSRAM;
+ res->start = ipcdev.telem_pmc_ssram_base;
+ res->end = res->start + ipcdev.telem_pmc_ssram_size - 1;
+
+ ret = platform_device_add_resources(pdev, telemetry_res,
+ ARRAY_SIZE(telemetry_res));
+ if (ret) {
+ dev_err(ipcdev.dev,
+ "Failed to add telemetry platform resources\n");
+ goto err;
+ }
+
+ ret = platform_device_add(pdev);
+ if (ret) {
+ dev_err(ipcdev.dev,
+ "Failed to add telemetry platform device\n");
+ goto err;
+ }
+ ipcdev.telemetry_dev = pdev;
+
+ return 0;
+err:
+ platform_device_put(pdev);
+ return ret;
+}
+
static int ipc_create_pmc_devices(void)
{
int ret;
dev_err(ipcdev.dev, "Failed to add punit platform device\n");
platform_device_unregister(ipcdev.tco_dev);
}
+
+ if (!ipcdev.telem_res_inval) {
+ ret = ipc_create_telemetry_device();
+ if (ret)
+ dev_warn(ipcdev.dev,
+ "Failed to add telemetry platform device\n");
+ }
+
return ret;
}
static int ipc_plat_get_res(struct platform_device *pdev)
{
- struct resource *res;
+ struct resource *res, *punit_res;
void __iomem *addr;
int size;
size = resource_size(res);
ipcdev.acpi_io_base = res->start;
ipcdev.acpi_io_size = size;
- dev_info(&pdev->dev, "io res: %llx %x\n",
- (long long)res->start, (int)resource_size(res));
+ dev_info(&pdev->dev, "io res: %pR\n", res);
+ /* This is index 0 to cover BIOS data register */
+ punit_res = punit_res_array;
res = platform_get_resource(pdev, IORESOURCE_MEM,
- PLAT_RESOURCE_PUNIT_DATA_INDEX);
+ PLAT_RESOURCE_BIOS_DATA_INDEX);
if (!res) {
- dev_err(&pdev->dev, "Failed to get punit resource\n");
+ dev_err(&pdev->dev, "Failed to get res of punit BIOS data\n");
return -ENXIO;
}
- size = resource_size(res);
- ipcdev.punit_base = res->start;
- ipcdev.punit_size = size;
- dev_info(&pdev->dev, "punit data res: %llx %x\n",
- (long long)res->start, (int)resource_size(res));
+ *punit_res = *res;
+ dev_info(&pdev->dev, "punit BIOS data res: %pR\n", res);
res = platform_get_resource(pdev, IORESOURCE_MEM,
- PLAT_RESOURCE_PUNIT_INTER_INDEX);
+ PLAT_RESOURCE_BIOS_IFACE_INDEX);
if (!res) {
- dev_err(&pdev->dev, "Failed to get punit inter resource\n");
+ dev_err(&pdev->dev, "Failed to get res of punit BIOS iface\n");
return -ENXIO;
}
- size = resource_size(res);
- ipcdev.punit_base2 = res->start;
- ipcdev.punit_size2 = size;
- dev_info(&pdev->dev, "punit interface res: %llx %x\n",
- (long long)res->start, (int)resource_size(res));
+ /* This is index 1 to cover BIOS interface register */
+ *++punit_res = *res;
+ dev_info(&pdev->dev, "punit BIOS interface res: %pR\n", res);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM,
+ PLAT_RESOURCE_ISP_DATA_INDEX);
+ if (!res) {
+ dev_err(&pdev->dev, "Failed to get res of punit ISP data\n");
+ return -ENXIO;
+ }
+ /* This is index 2 to cover ISP data register */
+ *++punit_res = *res;
+ dev_info(&pdev->dev, "punit ISP data res: %pR\n", res);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM,
+ PLAT_RESOURCE_ISP_IFACE_INDEX);
+ if (!res) {
+ dev_err(&pdev->dev, "Failed to get res of punit ISP iface\n");
+ return -ENXIO;
+ }
+ /* This is index 3 to cover ISP interface register */
+ *++punit_res = *res;
+ dev_info(&pdev->dev, "punit ISP interface res: %pR\n", res);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM,
+ PLAT_RESOURCE_GTD_DATA_INDEX);
+ if (!res) {
+ dev_err(&pdev->dev, "Failed to get res of punit GTD data\n");
+ return -ENXIO;
+ }
+ /* This is index 4 to cover GTD data register */
+ *++punit_res = *res;
+ dev_info(&pdev->dev, "punit GTD data res: %pR\n", res);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM,
+ PLAT_RESOURCE_GTD_IFACE_INDEX);
+ if (!res) {
+ dev_err(&pdev->dev, "Failed to get res of punit GTD iface\n");
+ return -ENXIO;
+ }
+ /* This is index 5 to cover GTD interface register */
+ *++punit_res = *res;
+ dev_info(&pdev->dev, "punit GTD interface res: %pR\n", res);
res = platform_get_resource(pdev, IORESOURCE_MEM,
PLAT_RESOURCE_IPC_INDEX);
ipcdev.gcr_base = res->start + size;
ipcdev.gcr_size = PLAT_RESOURCE_GCR_SIZE;
- dev_info(&pdev->dev, "ipc res: %llx %x\n",
- (long long)res->start, (int)resource_size(res));
+ dev_info(&pdev->dev, "ipc res: %pR\n", res);
+
+ ipcdev.telem_res_inval = 0;
+ res = platform_get_resource(pdev, IORESOURCE_MEM,
+ PLAT_RESOURCE_TELEM_SSRAM_INDEX);
+ if (!res) {
+ dev_err(&pdev->dev, "Failed to get telemetry ssram resource\n");
+ ipcdev.telem_res_inval = 1;
+ } else {
+ ipcdev.telem_punit_ssram_base = res->start +
+ TELEM_PUNIT_SSRAM_OFFSET;
+ ipcdev.telem_punit_ssram_size = TELEM_SSRAM_SIZE;
+ ipcdev.telem_pmc_ssram_base = res->start +
+ TELEM_PMC_SSRAM_OFFSET;
+ ipcdev.telem_pmc_ssram_size = TELEM_SSRAM_SIZE;
+ dev_info(&pdev->dev, "telemetry ssram res: %pR\n", res);
+ }
return 0;
}
err_irq:
platform_device_unregister(ipcdev.tco_dev);
platform_device_unregister(ipcdev.punit_dev);
+ platform_device_unregister(ipcdev.telemetry_dev);
err_device:
iounmap(ipcdev.ipc_base);
res = platform_get_resource(pdev, IORESOURCE_MEM,
free_irq(ipcdev.irq, &ipcdev);
platform_device_unregister(ipcdev.tco_dev);
platform_device_unregister(ipcdev.punit_dev);
+ platform_device_unregister(ipcdev.telemetry_dev);
iounmap(ipcdev.ipc_base);
res = platform_get_resource(pdev, IORESOURCE_MEM,
PLAT_RESOURCE_IPC_INDEX);
--- /dev/null
+/*
+ * Driver for the Intel P-Unit Mailbox IPC mechanism
+ *
+ * (C) Copyright 2015 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * The heart of the P-Unit is the Foxton microcontroller and its firmware,
+ * which provide mailbox interface for power management usage.
+ */
+
+#include <linux/module.h>
+#include <linux/acpi.h>
+#include <linux/delay.h>
+#include <linux/bitops.h>
+#include <linux/device.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <asm/intel_punit_ipc.h>
+
+/* IPC Mailbox registers */
+#define OFFSET_DATA_LOW 0x0
+#define OFFSET_DATA_HIGH 0x4
+/* bit field of interface register */
+#define CMD_RUN BIT(31)
+#define CMD_ERRCODE_MASK GENMASK(7, 0)
+#define CMD_PARA1_SHIFT 8
+#define CMD_PARA2_SHIFT 16
+
+#define CMD_TIMEOUT_SECONDS 1
+
+enum {
+ BASE_DATA = 0,
+ BASE_IFACE,
+ BASE_MAX,
+};
+
+typedef struct {
+ struct device *dev;
+ struct mutex lock;
+ int irq;
+ struct completion cmd_complete;
+ /* base of interface and data registers */
+ void __iomem *base[RESERVED_IPC][BASE_MAX];
+ IPC_TYPE type;
+} IPC_DEV;
+
+static IPC_DEV *punit_ipcdev;
+
+static inline u32 ipc_read_status(IPC_DEV *ipcdev, IPC_TYPE type)
+{
+ return readl(ipcdev->base[type][BASE_IFACE]);
+}
+
+static inline void ipc_write_cmd(IPC_DEV *ipcdev, IPC_TYPE type, u32 cmd)
+{
+ writel(cmd, ipcdev->base[type][BASE_IFACE]);
+}
+
+static inline u32 ipc_read_data_low(IPC_DEV *ipcdev, IPC_TYPE type)
+{
+ return readl(ipcdev->base[type][BASE_DATA] + OFFSET_DATA_LOW);
+}
+
+static inline u32 ipc_read_data_high(IPC_DEV *ipcdev, IPC_TYPE type)
+{
+ return readl(ipcdev->base[type][BASE_DATA] + OFFSET_DATA_HIGH);
+}
+
+static inline void ipc_write_data_low(IPC_DEV *ipcdev, IPC_TYPE type, u32 data)
+{
+ writel(data, ipcdev->base[type][BASE_DATA] + OFFSET_DATA_LOW);
+}
+
+static inline void ipc_write_data_high(IPC_DEV *ipcdev, IPC_TYPE type, u32 data)
+{
+ writel(data, ipcdev->base[type][BASE_DATA] + OFFSET_DATA_HIGH);
+}
+
+static const char *ipc_err_string(int error)
+{
+ if (error == IPC_PUNIT_ERR_SUCCESS)
+ return "no error";
+ else if (error == IPC_PUNIT_ERR_INVALID_CMD)
+ return "invalid command";
+ else if (error == IPC_PUNIT_ERR_INVALID_PARAMETER)
+ return "invalid parameter";
+ else if (error == IPC_PUNIT_ERR_CMD_TIMEOUT)
+ return "command timeout";
+ else if (error == IPC_PUNIT_ERR_CMD_LOCKED)
+ return "command locked";
+ else if (error == IPC_PUNIT_ERR_INVALID_VR_ID)
+ return "invalid vr id";
+ else if (error == IPC_PUNIT_ERR_VR_ERR)
+ return "vr error";
+ else
+ return "unknown error";
+}
+
+static int intel_punit_ipc_check_status(IPC_DEV *ipcdev, IPC_TYPE type)
+{
+ int loops = CMD_TIMEOUT_SECONDS * USEC_PER_SEC;
+ int errcode;
+ int status;
+
+ if (ipcdev->irq) {
+ if (!wait_for_completion_timeout(&ipcdev->cmd_complete,
+ CMD_TIMEOUT_SECONDS * HZ)) {
+ dev_err(ipcdev->dev, "IPC timed out\n");
+ return -ETIMEDOUT;
+ }
+ } else {
+ while ((ipc_read_status(ipcdev, type) & CMD_RUN) && --loops)
+ udelay(1);
+ if (!loops) {
+ dev_err(ipcdev->dev, "IPC timed out\n");
+ return -ETIMEDOUT;
+ }
+ }
+
+ status = ipc_read_status(ipcdev, type);
+ errcode = status & CMD_ERRCODE_MASK;
+ if (errcode) {
+ dev_err(ipcdev->dev, "IPC failed: %s, IPC_STS=0x%x\n",
+ ipc_err_string(errcode), status);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+/**
+ * intel_punit_ipc_simple_command() - Simple IPC command
+ * @cmd: IPC command code.
+ * @para1: First 8bit parameter, set 0 if not used.
+ * @para2: Second 8bit parameter, set 0 if not used.
+ *
+ * Send a IPC command to P-Unit when there is no data transaction
+ *
+ * Return: IPC error code or 0 on success.
+ */
+int intel_punit_ipc_simple_command(int cmd, int para1, int para2)
+{
+ IPC_DEV *ipcdev = punit_ipcdev;
+ IPC_TYPE type;
+ u32 val;
+ int ret;
+
+ mutex_lock(&ipcdev->lock);
+
+ reinit_completion(&ipcdev->cmd_complete);
+ type = (cmd & IPC_PUNIT_CMD_TYPE_MASK) >> IPC_TYPE_OFFSET;
+
+ val = cmd & ~IPC_PUNIT_CMD_TYPE_MASK;
+ val |= CMD_RUN | para2 << CMD_PARA2_SHIFT | para1 << CMD_PARA1_SHIFT;
+ ipc_write_cmd(ipcdev, type, val);
+ ret = intel_punit_ipc_check_status(ipcdev, type);
+
+ mutex_unlock(&ipcdev->lock);
+
+ return ret;
+}
+EXPORT_SYMBOL(intel_punit_ipc_simple_command);
+
+/**
+ * intel_punit_ipc_command() - IPC command with data and pointers
+ * @cmd: IPC command code.
+ * @para1: First 8bit parameter, set 0 if not used.
+ * @para2: Second 8bit parameter, set 0 if not used.
+ * @in: Input data, 32bit for BIOS cmd, two 32bit for GTD and ISPD.
+ * @out: Output data.
+ *
+ * Send a IPC command to P-Unit with data transaction
+ *
+ * Return: IPC error code or 0 on success.
+ */
+int intel_punit_ipc_command(u32 cmd, u32 para1, u32 para2, u32 *in, u32 *out)
+{
+ IPC_DEV *ipcdev = punit_ipcdev;
+ IPC_TYPE type;
+ u32 val;
+ int ret;
+
+ mutex_lock(&ipcdev->lock);
+
+ reinit_completion(&ipcdev->cmd_complete);
+ type = (cmd & IPC_PUNIT_CMD_TYPE_MASK) >> IPC_TYPE_OFFSET;
+
+ if (in) {
+ ipc_write_data_low(ipcdev, type, *in);
+ if (type == GTDRIVER_IPC || type == ISPDRIVER_IPC)
+ ipc_write_data_high(ipcdev, type, *++in);
+ }
+
+ val = cmd & ~IPC_PUNIT_CMD_TYPE_MASK;
+ val |= CMD_RUN | para2 << CMD_PARA2_SHIFT | para1 << CMD_PARA1_SHIFT;
+ ipc_write_cmd(ipcdev, type, val);
+
+ ret = intel_punit_ipc_check_status(ipcdev, type);
+ if (ret)
+ goto out;
+
+ if (out) {
+ *out = ipc_read_data_low(ipcdev, type);
+ if (type == GTDRIVER_IPC || type == ISPDRIVER_IPC)
+ *++out = ipc_read_data_high(ipcdev, type);
+ }
+
+out:
+ mutex_unlock(&ipcdev->lock);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(intel_punit_ipc_command);
+
+static irqreturn_t intel_punit_ioc(int irq, void *dev_id)
+{
+ IPC_DEV *ipcdev = dev_id;
+
+ complete(&ipcdev->cmd_complete);
+ return IRQ_HANDLED;
+}
+
+static int intel_punit_get_bars(struct platform_device *pdev)
+{
+ struct resource *res;
+ void __iomem *addr;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ addr = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(addr))
+ return PTR_ERR(addr);
+ punit_ipcdev->base[BIOS_IPC][BASE_DATA] = addr;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ addr = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(addr))
+ return PTR_ERR(addr);
+ punit_ipcdev->base[BIOS_IPC][BASE_IFACE] = addr;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 2);
+ addr = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(addr))
+ return PTR_ERR(addr);
+ punit_ipcdev->base[ISPDRIVER_IPC][BASE_DATA] = addr;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 3);
+ addr = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(addr))
+ return PTR_ERR(addr);
+ punit_ipcdev->base[ISPDRIVER_IPC][BASE_IFACE] = addr;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 4);
+ addr = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(addr))
+ return PTR_ERR(addr);
+ punit_ipcdev->base[GTDRIVER_IPC][BASE_DATA] = addr;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 5);
+ addr = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(addr))
+ return PTR_ERR(addr);
+ punit_ipcdev->base[GTDRIVER_IPC][BASE_IFACE] = addr;
+
+ return 0;
+}
+
+static int intel_punit_ipc_probe(struct platform_device *pdev)
+{
+ int irq, ret;
+
+ punit_ipcdev = devm_kzalloc(&pdev->dev,
+ sizeof(*punit_ipcdev), GFP_KERNEL);
+ if (!punit_ipcdev)
+ return -ENOMEM;
+
+ platform_set_drvdata(pdev, punit_ipcdev);
+
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0) {
+ punit_ipcdev->irq = 0;
+ dev_warn(&pdev->dev, "Invalid IRQ, using polling mode\n");
+ } else {
+ ret = devm_request_irq(&pdev->dev, irq, intel_punit_ioc,
+ IRQF_NO_SUSPEND, "intel_punit_ipc",
+ &punit_ipcdev);
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to request irq: %d\n", irq);
+ return ret;
+ }
+ punit_ipcdev->irq = irq;
+ }
+
+ ret = intel_punit_get_bars(pdev);
+ if (ret)
+ goto out;
+
+ punit_ipcdev->dev = &pdev->dev;
+ mutex_init(&punit_ipcdev->lock);
+ init_completion(&punit_ipcdev->cmd_complete);
+
+out:
+ return ret;
+}
+
+static int intel_punit_ipc_remove(struct platform_device *pdev)
+{
+ return 0;
+}
+
+static const struct acpi_device_id punit_ipc_acpi_ids[] = {
+ { "INT34D4", 0 },
+ { }
+};
+
+static struct platform_driver intel_punit_ipc_driver = {
+ .probe = intel_punit_ipc_probe,
+ .remove = intel_punit_ipc_remove,
+ .driver = {
+ .name = "intel_punit_ipc",
+ .acpi_match_table = ACPI_PTR(punit_ipc_acpi_ids),
+ },
+};
+
+static int __init intel_punit_ipc_init(void)
+{
+ return platform_driver_register(&intel_punit_ipc_driver);
+}
+
+static void __exit intel_punit_ipc_exit(void)
+{
+ platform_driver_unregister(&intel_punit_ipc_driver);
+}
+
+MODULE_AUTHOR("Zha Qipeng <qipeng.zha@intel.com>");
+MODULE_DESCRIPTION("Intel P-Unit IPC driver");
+MODULE_LICENSE("GPL v2");
+
+/* Some modules are dependent on this, so init earlier */
+fs_initcall(intel_punit_ipc_init);
+module_exit(intel_punit_ipc_exit);
--- /dev/null
+/*
+ * Intel SoC Core Telemetry Driver
+ * Copyright (C) 2015, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * Telemetry Framework provides platform related PM and performance statistics.
+ * This file provides the core telemetry API implementation.
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/device.h>
+
+#include <asm/intel_telemetry.h>
+
+#define DRIVER_NAME "intel_telemetry_core"
+
+struct telemetry_core_config {
+ struct telemetry_plt_config *plt_config;
+ struct telemetry_core_ops *telem_ops;
+};
+
+static struct telemetry_core_config telm_core_conf;
+
+static int telemetry_def_update_events(struct telemetry_evtconfig pss_evtconfig,
+ struct telemetry_evtconfig ioss_evtconfig)
+{
+ return 0;
+}
+
+static int telemetry_def_set_sampling_period(u8 pss_period, u8 ioss_period)
+{
+ return 0;
+}
+
+static int telemetry_def_get_sampling_period(u8 *pss_min_period,
+ u8 *pss_max_period,
+ u8 *ioss_min_period,
+ u8 *ioss_max_period)
+{
+ return 0;
+}
+
+static int telemetry_def_get_eventconfig(
+ struct telemetry_evtconfig *pss_evtconfig,
+ struct telemetry_evtconfig *ioss_evtconfig,
+ int pss_len, int ioss_len)
+{
+ return 0;
+}
+
+static int telemetry_def_get_trace_verbosity(enum telemetry_unit telem_unit,
+ u32 *verbosity)
+{
+ return 0;
+}
+
+
+static int telemetry_def_set_trace_verbosity(enum telemetry_unit telem_unit,
+ u32 verbosity)
+{
+ return 0;
+}
+
+static int telemetry_def_raw_read_eventlog(enum telemetry_unit telem_unit,
+ struct telemetry_evtlog *evtlog,
+ int len, int log_all_evts)
+{
+ return 0;
+}
+
+static int telemetry_def_read_eventlog(enum telemetry_unit telem_unit,
+ struct telemetry_evtlog *evtlog,
+ int len, int log_all_evts)
+{
+ return 0;
+}
+
+static int telemetry_def_add_events(u8 num_pss_evts, u8 num_ioss_evts,
+ u32 *pss_evtmap, u32 *ioss_evtmap)
+{
+ return 0;
+}
+
+static int telemetry_def_reset_events(void)
+{
+ return 0;
+}
+
+static struct telemetry_core_ops telm_defpltops = {
+ .set_sampling_period = telemetry_def_set_sampling_period,
+ .get_sampling_period = telemetry_def_get_sampling_period,
+ .get_trace_verbosity = telemetry_def_get_trace_verbosity,
+ .set_trace_verbosity = telemetry_def_set_trace_verbosity,
+ .raw_read_eventlog = telemetry_def_raw_read_eventlog,
+ .get_eventconfig = telemetry_def_get_eventconfig,
+ .read_eventlog = telemetry_def_read_eventlog,
+ .update_events = telemetry_def_update_events,
+ .reset_events = telemetry_def_reset_events,
+ .add_events = telemetry_def_add_events,
+};
+
+/**
+ * telemetry_update_events() - Update telemetry Configuration
+ * @pss_evtconfig: PSS related config. No change if num_evts = 0.
+ * @pss_evtconfig: IOSS related config. No change if num_evts = 0.
+ *
+ * This API updates the IOSS & PSS Telemetry configuration. Old config
+ * is overwritten. Call telemetry_reset_events when logging is over
+ * All sample period values should be in the form of:
+ * bits[6:3] -> value; bits [0:2]-> Exponent; Period = (Value *16^Exponent)
+ *
+ * Return: 0 success, < 0 for failure
+ */
+int telemetry_update_events(struct telemetry_evtconfig pss_evtconfig,
+ struct telemetry_evtconfig ioss_evtconfig)
+{
+ return telm_core_conf.telem_ops->update_events(pss_evtconfig,
+ ioss_evtconfig);
+}
+EXPORT_SYMBOL_GPL(telemetry_update_events);
+
+
+/**
+ * telemetry_set_sampling_period() - Sets the IOSS & PSS sampling period
+ * @pss_period: placeholder for PSS Period to be set.
+ * Set to 0 if not required to be updated
+ * @ioss_period: placeholder for IOSS Period to be set
+ * Set to 0 if not required to be updated
+ *
+ * All values should be in the form of:
+ * bits[6:3] -> value; bits [0:2]-> Exponent; Period = (Value *16^Exponent)
+ *
+ * Return: 0 success, < 0 for failure
+ */
+int telemetry_set_sampling_period(u8 pss_period, u8 ioss_period)
+{
+ return telm_core_conf.telem_ops->set_sampling_period(pss_period,
+ ioss_period);
+}
+EXPORT_SYMBOL_GPL(telemetry_set_sampling_period);
+
+/**
+ * telemetry_get_sampling_period() - Get IOSS & PSS min & max sampling period
+ * @pss_min_period: placeholder for PSS Min Period supported
+ * @pss_max_period: placeholder for PSS Max Period supported
+ * @ioss_min_period: placeholder for IOSS Min Period supported
+ * @ioss_max_period: placeholder for IOSS Max Period supported
+ *
+ * All values should be in the form of:
+ * bits[6:3] -> value; bits [0:2]-> Exponent; Period = (Value *16^Exponent)
+ *
+ * Return: 0 success, < 0 for failure
+ */
+int telemetry_get_sampling_period(u8 *pss_min_period, u8 *pss_max_period,
+ u8 *ioss_min_period, u8 *ioss_max_period)
+{
+ return telm_core_conf.telem_ops->get_sampling_period(pss_min_period,
+ pss_max_period,
+ ioss_min_period,
+ ioss_max_period);
+}
+EXPORT_SYMBOL_GPL(telemetry_get_sampling_period);
+
+
+/**
+ * telemetry_reset_events() - Restore the IOSS & PSS configuration to default
+ *
+ * Return: 0 success, < 0 for failure
+ */
+int telemetry_reset_events(void)
+{
+ return telm_core_conf.telem_ops->reset_events();
+}
+EXPORT_SYMBOL_GPL(telemetry_reset_events);
+
+/**
+ * telemetry_get_eventconfig() - Returns the pss and ioss events enabled
+ * @pss_evtconfig: Pointer to PSS related configuration.
+ * @pss_evtconfig: Pointer to IOSS related configuration.
+ * @pss_len: Number of u32 elements allocated for pss_evtconfig array
+ * @ioss_len: Number of u32 elements allocated for ioss_evtconfig array
+ *
+ * Return: 0 success, < 0 for failure
+ */
+int telemetry_get_eventconfig(struct telemetry_evtconfig *pss_evtconfig,
+ struct telemetry_evtconfig *ioss_evtconfig,
+ int pss_len, int ioss_len)
+{
+ return telm_core_conf.telem_ops->get_eventconfig(pss_evtconfig,
+ ioss_evtconfig,
+ pss_len, ioss_len);
+}
+EXPORT_SYMBOL_GPL(telemetry_get_eventconfig);
+
+/**
+ * telemetry_add_events() - Add IOSS & PSS configuration to existing settings.
+ * @num_pss_evts: Number of PSS Events (<29) in pss_evtmap. Can be 0.
+ * @num_ioss_evts: Number of IOSS Events (<29) in ioss_evtmap. Can be 0.
+ * @pss_evtmap: Array of PSS Event-IDs to Enable
+ * @ioss_evtmap: Array of PSS Event-IDs to Enable
+ *
+ * Events are appended to Old Configuration. In case of total events > 28, it
+ * returns error. Call telemetry_reset_events to reset after eventlog done
+ *
+ * Return: 0 success, < 0 for failure
+ */
+int telemetry_add_events(u8 num_pss_evts, u8 num_ioss_evts,
+ u32 *pss_evtmap, u32 *ioss_evtmap)
+{
+ return telm_core_conf.telem_ops->add_events(num_pss_evts,
+ num_ioss_evts, pss_evtmap,
+ ioss_evtmap);
+}
+EXPORT_SYMBOL_GPL(telemetry_add_events);
+
+/**
+ * telemetry_read_events() - Fetches samples as specified by evtlog.telem_evt_id
+ * @telem_unit: Specify whether IOSS or PSS Read
+ * @evtlog: Array of telemetry_evtlog structs to fill data
+ * evtlog.telem_evt_id specifies the ids to read
+ * @len: Length of array of evtlog
+ *
+ * Return: number of eventlogs read for success, < 0 for failure
+ */
+int telemetry_read_events(enum telemetry_unit telem_unit,
+ struct telemetry_evtlog *evtlog, int len)
+{
+ return telm_core_conf.telem_ops->read_eventlog(telem_unit, evtlog,
+ len, 0);
+}
+EXPORT_SYMBOL_GPL(telemetry_read_events);
+
+/**
+ * telemetry_raw_read_events() - Fetch samples specified by evtlog.telem_evt_id
+ * @telem_unit: Specify whether IOSS or PSS Read
+ * @evtlog: Array of telemetry_evtlog structs to fill data
+ * evtlog.telem_evt_id specifies the ids to read
+ * @len: Length of array of evtlog
+ *
+ * The caller must take care of locking in this case.
+ *
+ * Return: number of eventlogs read for success, < 0 for failure
+ */
+int telemetry_raw_read_events(enum telemetry_unit telem_unit,
+ struct telemetry_evtlog *evtlog, int len)
+{
+ return telm_core_conf.telem_ops->raw_read_eventlog(telem_unit, evtlog,
+ len, 0);
+}
+EXPORT_SYMBOL_GPL(telemetry_raw_read_events);
+
+/**
+ * telemetry_read_eventlog() - Fetch the Telemetry log from PSS or IOSS
+ * @telem_unit: Specify whether IOSS or PSS Read
+ * @evtlog: Array of telemetry_evtlog structs to fill data
+ * @len: Length of array of evtlog
+ *
+ * Return: number of eventlogs read for success, < 0 for failure
+ */
+int telemetry_read_eventlog(enum telemetry_unit telem_unit,
+ struct telemetry_evtlog *evtlog, int len)
+{
+ return telm_core_conf.telem_ops->read_eventlog(telem_unit, evtlog,
+ len, 1);
+}
+EXPORT_SYMBOL_GPL(telemetry_read_eventlog);
+
+/**
+ * telemetry_raw_read_eventlog() - Fetch the Telemetry log from PSS or IOSS
+ * @telem_unit: Specify whether IOSS or PSS Read
+ * @evtlog: Array of telemetry_evtlog structs to fill data
+ * @len: Length of array of evtlog
+ *
+ * The caller must take care of locking in this case.
+ *
+ * Return: number of eventlogs read for success, < 0 for failure
+ */
+int telemetry_raw_read_eventlog(enum telemetry_unit telem_unit,
+ struct telemetry_evtlog *evtlog, int len)
+{
+ return telm_core_conf.telem_ops->raw_read_eventlog(telem_unit, evtlog,
+ len, 1);
+}
+EXPORT_SYMBOL_GPL(telemetry_raw_read_eventlog);
+
+
+/**
+ * telemetry_get_trace_verbosity() - Get the IOSS & PSS Trace verbosity
+ * @telem_unit: Specify whether IOSS or PSS Read
+ * @verbosity: Pointer to return Verbosity
+ *
+ * Return: 0 success, < 0 for failure
+ */
+int telemetry_get_trace_verbosity(enum telemetry_unit telem_unit,
+ u32 *verbosity)
+{
+ return telm_core_conf.telem_ops->get_trace_verbosity(telem_unit,
+ verbosity);
+}
+EXPORT_SYMBOL_GPL(telemetry_get_trace_verbosity);
+
+
+/**
+ * telemetry_set_trace_verbosity() - Update the IOSS & PSS Trace verbosity
+ * @telem_unit: Specify whether IOSS or PSS Read
+ * @verbosity: Verbosity to set
+ *
+ * Return: 0 success, < 0 for failure
+ */
+int telemetry_set_trace_verbosity(enum telemetry_unit telem_unit, u32 verbosity)
+{
+ return telm_core_conf.telem_ops->set_trace_verbosity(telem_unit,
+ verbosity);
+}
+EXPORT_SYMBOL_GPL(telemetry_set_trace_verbosity);
+
+/**
+ * telemetry_set_pltdata() - Set the platform specific Data
+ * @ops: Pointer to ops structure
+ * @pltconfig: Platform config data
+ *
+ * Usage by other than telemetry pltdrv module is invalid
+ *
+ * Return: 0 success, < 0 for failure
+ */
+int telemetry_set_pltdata(struct telemetry_core_ops *ops,
+ struct telemetry_plt_config *pltconfig)
+{
+ if (ops)
+ telm_core_conf.telem_ops = ops;
+
+ if (pltconfig)
+ telm_core_conf.plt_config = pltconfig;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(telemetry_set_pltdata);
+
+/**
+ * telemetry_clear_pltdata() - Clear the platform specific Data
+ *
+ * Usage by other than telemetry pltdrv module is invalid
+ *
+ * Return: 0 success, < 0 for failure
+ */
+int telemetry_clear_pltdata(void)
+{
+ telm_core_conf.telem_ops = &telm_defpltops;
+ telm_core_conf.plt_config = NULL;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(telemetry_clear_pltdata);
+
+/**
+ * telemetry_pltconfig_valid() - Checkif platform config is valid
+ *
+ * Usage by other than telemetry module is invalid
+ *
+ * Return: 0 success, < 0 for failure
+ */
+int telemetry_pltconfig_valid(void)
+{
+ if (telm_core_conf.plt_config)
+ return 0;
+
+ else
+ return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(telemetry_pltconfig_valid);
+
+static inline int telemetry_get_pssevtname(enum telemetry_unit telem_unit,
+ const char **name, int len)
+{
+ struct telemetry_unit_config psscfg;
+ int i;
+
+ if (!telm_core_conf.plt_config)
+ return -EINVAL;
+
+ psscfg = telm_core_conf.plt_config->pss_config;
+
+ if (len > psscfg.ssram_evts_used)
+ len = psscfg.ssram_evts_used;
+
+ for (i = 0; i < len; i++)
+ name[i] = psscfg.telem_evts[i].name;
+
+ return 0;
+}
+
+static inline int telemetry_get_iossevtname(enum telemetry_unit telem_unit,
+ const char **name, int len)
+{
+ struct telemetry_unit_config iosscfg;
+ int i;
+
+ if (!(telm_core_conf.plt_config))
+ return -EINVAL;
+
+ iosscfg = telm_core_conf.plt_config->ioss_config;
+
+ if (len > iosscfg.ssram_evts_used)
+ len = iosscfg.ssram_evts_used;
+
+ for (i = 0; i < len; i++)
+ name[i] = iosscfg.telem_evts[i].name;
+
+ return 0;
+
+}
+
+/**
+ * telemetry_get_evtname() - Checkif platform config is valid
+ * @telem_unit: Telemetry Unit to check
+ * @name: Array of character pointers to contain name
+ * @len: length of array name provided by user
+ *
+ * Usage by other than telemetry debugfs module is invalid
+ *
+ * Return: 0 success, < 0 for failure
+ */
+int telemetry_get_evtname(enum telemetry_unit telem_unit,
+ const char **name, int len)
+{
+ int ret = -EINVAL;
+
+ if (telem_unit == TELEM_PSS)
+ ret = telemetry_get_pssevtname(telem_unit, name, len);
+
+ else if (telem_unit == TELEM_IOSS)
+ ret = telemetry_get_iossevtname(telem_unit, name, len);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(telemetry_get_evtname);
+
+static int __init telemetry_module_init(void)
+{
+ pr_info(pr_fmt(DRIVER_NAME) " Init\n");
+
+ telm_core_conf.telem_ops = &telm_defpltops;
+ return 0;
+}
+
+static void __exit telemetry_module_exit(void)
+{
+}
+
+module_init(telemetry_module_init);
+module_exit(telemetry_module_exit);
+
+MODULE_AUTHOR("Souvik Kumar Chakravarty <souvik.k.chakravarty@intel.com>");
+MODULE_DESCRIPTION("Intel SoC Telemetry Interface");
+MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * Intel SOC Telemetry debugfs Driver: Currently supports APL
+ * Copyright (c) 2015, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * This file provides the debugfs interfaces for telemetry.
+ * /sys/kernel/debug/telemetry/pss_info: Shows Primary Control Sub-Sys Counters
+ * /sys/kernel/debug/telemetry/ioss_info: Shows IO Sub-System Counters
+ * /sys/kernel/debug/telemetry/soc_states: Shows SoC State
+ * /sys/kernel/debug/telemetry/pss_trace_verbosity: Read and Change Tracing
+ * Verbosity via firmware
+ * /sys/kernel/debug/telemetry/ioss_race_verbosity: Write and Change Tracing
+ * Verbosity via firmware
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
+#include <linux/pci.h>
+#include <linux/suspend.h>
+
+#include <asm/cpu_device_id.h>
+#include <asm/intel_pmc_ipc.h>
+#include <asm/intel_punit_ipc.h>
+#include <asm/intel_telemetry.h>
+
+#define DRIVER_NAME "telemetry_soc_debugfs"
+#define DRIVER_VERSION "1.0.0"
+
+/* ApolloLake SoC Event-IDs */
+#define TELEM_APL_PSS_PSTATES_ID 0x2802
+#define TELEM_APL_PSS_IDLE_ID 0x2806
+#define TELEM_APL_PCS_IDLE_BLOCKED_ID 0x2C00
+#define TELEM_APL_PCS_S0IX_BLOCKED_ID 0x2C01
+#define TELEM_APL_PSS_WAKEUP_ID 0x2C02
+#define TELEM_APL_PSS_LTR_BLOCKING_ID 0x2C03
+
+#define TELEM_APL_S0IX_TOTAL_OCC_ID 0x4000
+#define TELEM_APL_S0IX_SHLW_OCC_ID 0x4001
+#define TELEM_APL_S0IX_DEEP_OCC_ID 0x4002
+#define TELEM_APL_S0IX_TOTAL_RES_ID 0x4800
+#define TELEM_APL_S0IX_SHLW_RES_ID 0x4801
+#define TELEM_APL_S0IX_DEEP_RES_ID 0x4802
+#define TELEM_APL_D0IX_ID 0x581A
+#define TELEM_APL_D3_ID 0x5819
+#define TELEM_APL_PG_ID 0x5818
+
+#define TELEM_INFO_SRAMEVTS_MASK 0xFF00
+#define TELEM_INFO_SRAMEVTS_SHIFT 0x8
+#define TELEM_SSRAM_READ_TIMEOUT 10
+
+#define TELEM_MASK_BIT 1
+#define TELEM_MASK_BYTE 0xFF
+#define BYTES_PER_LONG 8
+#define TELEM_APL_MASK_PCS_STATE 0xF
+
+/* Max events in bitmap to check for */
+#define TELEM_PSS_IDLE_EVTS 25
+#define TELEM_PSS_IDLE_BLOCKED_EVTS 20
+#define TELEM_PSS_S0IX_BLOCKED_EVTS 20
+#define TELEM_PSS_S0IX_WAKEUP_EVTS 20
+#define TELEM_PSS_LTR_BLOCKING_EVTS 20
+#define TELEM_IOSS_DX_D0IX_EVTS 25
+#define TELEM_IOSS_PG_EVTS 30
+
+#define TELEM_EVT_LEN(x) (sizeof(x)/sizeof((x)[0]))
+
+#define TELEM_DEBUGFS_CPU(model, data) \
+ { X86_VENDOR_INTEL, 6, model, X86_FEATURE_MWAIT, (unsigned long)&data}
+
+#define TELEM_CHECK_AND_PARSE_EVTS(EVTID, EVTNUM, BUF, EVTLOG, EVTDAT, MASK) { \
+ if (evtlog[index].telem_evtid == (EVTID)) { \
+ for (idx = 0; idx < (EVTNUM); idx++) \
+ (BUF)[idx] = ((EVTLOG) >> (EVTDAT)[idx].bit_pos) & \
+ (MASK); \
+ continue; \
+ } \
+}
+
+#define TELEM_CHECK_AND_PARSE_CTRS(EVTID, CTR) { \
+ if (evtlog[index].telem_evtid == (EVTID)) { \
+ (CTR) = evtlog[index].telem_evtlog; \
+ continue; \
+ } \
+}
+
+static u8 suspend_prep_ok;
+static u32 suspend_shlw_ctr_temp, suspend_deep_ctr_temp;
+static u64 suspend_shlw_res_temp, suspend_deep_res_temp;
+
+struct telemetry_susp_stats {
+ u32 shlw_swake_ctr;
+ u32 deep_swake_ctr;
+ u64 shlw_swake_res;
+ u64 deep_swake_res;
+ u32 shlw_ctr;
+ u32 deep_ctr;
+ u64 shlw_res;
+ u64 deep_res;
+};
+
+/* Bitmap definitions for default counters in APL */
+struct telem_pss_idle_stateinfo {
+ const char *name;
+ u32 bit_pos;
+};
+
+static struct telem_pss_idle_stateinfo telem_apl_pss_idle_data[] = {
+ {"IA_CORE0_C1E", 0},
+ {"IA_CORE1_C1E", 1},
+ {"IA_CORE2_C1E", 2},
+ {"IA_CORE3_C1E", 3},
+ {"IA_CORE0_C6", 16},
+ {"IA_CORE1_C6", 17},
+ {"IA_CORE2_C6", 18},
+ {"IA_CORE3_C6", 19},
+ {"IA_MODULE0_C7", 32},
+ {"IA_MODULE1_C7", 33},
+ {"GT_RC6", 40},
+ {"IUNIT_PROCESSING_IDLE", 41},
+ {"FAR_MEM_IDLE", 43},
+ {"DISPLAY_IDLE", 44},
+ {"IUNIT_INPUT_SYSTEM_IDLE", 45},
+ {"PCS_STATUS", 60},
+};
+
+struct telem_pcs_blkd_info {
+ const char *name;
+ u32 bit_pos;
+};
+
+static struct telem_pcs_blkd_info telem_apl_pcs_idle_blkd_data[] = {
+ {"COMPUTE", 0},
+ {"MISC", 8},
+ {"MODULE_ACTIONS_PENDING", 16},
+ {"LTR", 24},
+ {"DISPLAY_WAKE", 32},
+ {"ISP_WAKE", 40},
+ {"PSF0_ACTIVE", 48},
+};
+
+static struct telem_pcs_blkd_info telem_apl_pcs_s0ix_blkd_data[] = {
+ {"LTR", 0},
+ {"IRTL", 8},
+ {"WAKE_DEADLINE_PENDING", 16},
+ {"DISPLAY", 24},
+ {"ISP", 32},
+ {"CORE", 40},
+ {"PMC", 48},
+ {"MISC", 56},
+};
+
+struct telem_pss_ltr_info {
+ const char *name;
+ u32 bit_pos;
+};
+
+static struct telem_pss_ltr_info telem_apl_pss_ltr_data[] = {
+ {"CORE_ACTIVE", 0},
+ {"MEM_UP", 8},
+ {"DFX", 16},
+ {"DFX_FORCE_LTR", 24},
+ {"DISPLAY", 32},
+ {"ISP", 40},
+ {"SOUTH", 48},
+};
+
+struct telem_pss_wakeup_info {
+ const char *name;
+ u32 bit_pos;
+};
+
+static struct telem_pss_wakeup_info telem_apl_pss_wakeup[] = {
+ {"IP_IDLE", 0},
+ {"DISPLAY_WAKE", 8},
+ {"VOLTAGE_REG_INT", 16},
+ {"DROWSY_TIMER (HOTPLUG)", 24},
+ {"CORE_WAKE", 32},
+ {"MISC_S0IX", 40},
+ {"MISC_ABORT", 56},
+};
+
+struct telem_ioss_d0ix_stateinfo {
+ const char *name;
+ u32 bit_pos;
+};
+
+static struct telem_ioss_d0ix_stateinfo telem_apl_ioss_d0ix_data[] = {
+ {"CSE", 0},
+ {"SCC2", 1},
+ {"GMM", 2},
+ {"XDCI", 3},
+ {"XHCI", 4},
+ {"ISH", 5},
+ {"AVS", 6},
+ {"PCIE0P1", 7},
+ {"PECI0P0", 8},
+ {"LPSS", 9},
+ {"SCC", 10},
+ {"PWM", 11},
+ {"PCIE1_P3", 12},
+ {"PCIE1_P2", 13},
+ {"PCIE1_P1", 14},
+ {"PCIE1_P0", 15},
+ {"CNV", 16},
+ {"SATA", 17},
+ {"PRTC", 18},
+};
+
+struct telem_ioss_pg_info {
+ const char *name;
+ u32 bit_pos;
+};
+
+static struct telem_ioss_pg_info telem_apl_ioss_pg_data[] = {
+ {"LPSS", 0},
+ {"SCC", 1},
+ {"P2SB", 2},
+ {"SCC2", 3},
+ {"GMM", 4},
+ {"PCIE0", 5},
+ {"XDCI", 6},
+ {"xHCI", 7},
+ {"CSE", 8},
+ {"SPI", 9},
+ {"AVSPGD4", 10},
+ {"AVSPGD3", 11},
+ {"AVSPGD2", 12},
+ {"AVSPGD1", 13},
+ {"ISH", 14},
+ {"EXI", 15},
+ {"NPKVRC", 16},
+ {"NPKVNN", 17},
+ {"CUNIT", 18},
+ {"FUSE_CTRL", 19},
+ {"PCIE1", 20},
+ {"CNV", 21},
+ {"LPC", 22},
+ {"SATA", 23},
+ {"SMB", 24},
+ {"PRTC", 25},
+};
+
+
+struct telemetry_debugfs_conf {
+ struct telemetry_susp_stats suspend_stats;
+ struct dentry *telemetry_dbg_dir;
+
+ /* Bitmap Data */
+ struct telem_ioss_d0ix_stateinfo *ioss_d0ix_data;
+ struct telem_pss_idle_stateinfo *pss_idle_data;
+ struct telem_pcs_blkd_info *pcs_idle_blkd_data;
+ struct telem_pcs_blkd_info *pcs_s0ix_blkd_data;
+ struct telem_pss_wakeup_info *pss_wakeup;
+ struct telem_pss_ltr_info *pss_ltr_data;
+ struct telem_ioss_pg_info *ioss_pg_data;
+ u8 pcs_idle_blkd_evts;
+ u8 pcs_s0ix_blkd_evts;
+ u8 pss_wakeup_evts;
+ u8 pss_idle_evts;
+ u8 pss_ltr_evts;
+ u8 ioss_d0ix_evts;
+ u8 ioss_pg_evts;
+
+ /* IDs */
+ u16 pss_ltr_blocking_id;
+ u16 pcs_idle_blkd_id;
+ u16 pcs_s0ix_blkd_id;
+ u16 s0ix_total_occ_id;
+ u16 s0ix_shlw_occ_id;
+ u16 s0ix_deep_occ_id;
+ u16 s0ix_total_res_id;
+ u16 s0ix_shlw_res_id;
+ u16 s0ix_deep_res_id;
+ u16 pss_wakeup_id;
+ u16 ioss_d0ix_id;
+ u16 pstates_id;
+ u16 pss_idle_id;
+ u16 ioss_d3_id;
+ u16 ioss_pg_id;
+};
+
+static struct telemetry_debugfs_conf *debugfs_conf;
+
+static struct telemetry_debugfs_conf telem_apl_debugfs_conf = {
+ .pss_idle_data = telem_apl_pss_idle_data,
+ .pcs_idle_blkd_data = telem_apl_pcs_idle_blkd_data,
+ .pcs_s0ix_blkd_data = telem_apl_pcs_s0ix_blkd_data,
+ .pss_ltr_data = telem_apl_pss_ltr_data,
+ .pss_wakeup = telem_apl_pss_wakeup,
+ .ioss_d0ix_data = telem_apl_ioss_d0ix_data,
+ .ioss_pg_data = telem_apl_ioss_pg_data,
+
+ .pss_idle_evts = TELEM_EVT_LEN(telem_apl_pss_idle_data),
+ .pcs_idle_blkd_evts = TELEM_EVT_LEN(telem_apl_pcs_idle_blkd_data),
+ .pcs_s0ix_blkd_evts = TELEM_EVT_LEN(telem_apl_pcs_s0ix_blkd_data),
+ .pss_ltr_evts = TELEM_EVT_LEN(telem_apl_pss_ltr_data),
+ .pss_wakeup_evts = TELEM_EVT_LEN(telem_apl_pss_wakeup),
+ .ioss_d0ix_evts = TELEM_EVT_LEN(telem_apl_ioss_d0ix_data),
+ .ioss_pg_evts = TELEM_EVT_LEN(telem_apl_ioss_pg_data),
+
+ .pstates_id = TELEM_APL_PSS_PSTATES_ID,
+ .pss_idle_id = TELEM_APL_PSS_IDLE_ID,
+ .pcs_idle_blkd_id = TELEM_APL_PCS_IDLE_BLOCKED_ID,
+ .pcs_s0ix_blkd_id = TELEM_APL_PCS_S0IX_BLOCKED_ID,
+ .pss_wakeup_id = TELEM_APL_PSS_WAKEUP_ID,
+ .pss_ltr_blocking_id = TELEM_APL_PSS_LTR_BLOCKING_ID,
+ .s0ix_total_occ_id = TELEM_APL_S0IX_TOTAL_OCC_ID,
+ .s0ix_shlw_occ_id = TELEM_APL_S0IX_SHLW_OCC_ID,
+ .s0ix_deep_occ_id = TELEM_APL_S0IX_DEEP_OCC_ID,
+ .s0ix_total_res_id = TELEM_APL_S0IX_TOTAL_RES_ID,
+ .s0ix_shlw_res_id = TELEM_APL_S0IX_SHLW_RES_ID,
+ .s0ix_deep_res_id = TELEM_APL_S0IX_DEEP_RES_ID,
+ .ioss_d0ix_id = TELEM_APL_D0IX_ID,
+ .ioss_d3_id = TELEM_APL_D3_ID,
+ .ioss_pg_id = TELEM_APL_PG_ID,
+};
+
+static const struct x86_cpu_id telemetry_debugfs_cpu_ids[] = {
+ TELEM_DEBUGFS_CPU(0x5c, telem_apl_debugfs_conf),
+ {}
+};
+
+MODULE_DEVICE_TABLE(x86cpu, telemetry_debugfs_cpu_ids);
+
+static int telemetry_debugfs_check_evts(void)
+{
+ if ((debugfs_conf->pss_idle_evts > TELEM_PSS_IDLE_EVTS) ||
+ (debugfs_conf->pcs_idle_blkd_evts > TELEM_PSS_IDLE_BLOCKED_EVTS) ||
+ (debugfs_conf->pcs_s0ix_blkd_evts > TELEM_PSS_S0IX_BLOCKED_EVTS) ||
+ (debugfs_conf->pss_ltr_evts > TELEM_PSS_LTR_BLOCKING_EVTS) ||
+ (debugfs_conf->pss_wakeup_evts > TELEM_PSS_S0IX_WAKEUP_EVTS) ||
+ (debugfs_conf->ioss_d0ix_evts > TELEM_IOSS_DX_D0IX_EVTS) ||
+ (debugfs_conf->ioss_pg_evts > TELEM_IOSS_PG_EVTS))
+ return -EINVAL;
+
+ return 0;
+}
+
+static int telem_pss_states_show(struct seq_file *s, void *unused)
+{
+ struct telemetry_evtlog evtlog[TELEM_MAX_OS_ALLOCATED_EVENTS];
+ struct telemetry_debugfs_conf *conf = debugfs_conf;
+ const char *name[TELEM_MAX_OS_ALLOCATED_EVENTS];
+ u32 pcs_idle_blkd[TELEM_PSS_IDLE_BLOCKED_EVTS],
+ pcs_s0ix_blkd[TELEM_PSS_S0IX_BLOCKED_EVTS],
+ pss_s0ix_wakeup[TELEM_PSS_S0IX_WAKEUP_EVTS],
+ pss_ltr_blkd[TELEM_PSS_LTR_BLOCKING_EVTS],
+ pss_idle[TELEM_PSS_IDLE_EVTS];
+ int index, idx, ret, err = 0;
+ u64 pstates = 0;
+
+ ret = telemetry_read_eventlog(TELEM_PSS, evtlog,
+ TELEM_MAX_OS_ALLOCATED_EVENTS);
+ if (ret < 0)
+ return ret;
+
+ err = telemetry_get_evtname(TELEM_PSS, name,
+ TELEM_MAX_OS_ALLOCATED_EVENTS);
+ if (err < 0)
+ return err;
+
+ seq_puts(s, "\n----------------------------------------------------\n");
+ seq_puts(s, "\tPSS TELEM EVENTLOG (Residency = field/19.2 us\n");
+ seq_puts(s, "----------------------------------------------------\n");
+ for (index = 0; index < ret; index++) {
+ seq_printf(s, "%-32s %llu\n",
+ name[index], evtlog[index].telem_evtlog);
+
+ /* Fetch PSS IDLE State */
+ if (evtlog[index].telem_evtid == conf->pss_idle_id) {
+ pss_idle[conf->pss_idle_evts - 1] =
+ (evtlog[index].telem_evtlog >>
+ conf->pss_idle_data[conf->pss_idle_evts - 1].bit_pos) &
+ TELEM_APL_MASK_PCS_STATE;
+ }
+
+
+ TELEM_CHECK_AND_PARSE_EVTS(conf->pss_idle_id,
+ conf->pss_idle_evts - 1,
+ pss_idle, evtlog[index].telem_evtlog,
+ conf->pss_idle_data, TELEM_MASK_BIT);
+
+ TELEM_CHECK_AND_PARSE_EVTS(conf->pcs_idle_blkd_id,
+ conf->pcs_idle_blkd_evts,
+ pcs_idle_blkd,
+ evtlog[index].telem_evtlog,
+ conf->pcs_idle_blkd_data,
+ TELEM_MASK_BYTE);
+
+ TELEM_CHECK_AND_PARSE_EVTS(conf->pcs_s0ix_blkd_id,
+ conf->pcs_s0ix_blkd_evts,
+ pcs_s0ix_blkd,
+ evtlog[index].telem_evtlog,
+ conf->pcs_s0ix_blkd_data,
+ TELEM_MASK_BYTE);
+
+
+ TELEM_CHECK_AND_PARSE_EVTS(conf->pss_wakeup_id,
+ conf->pss_wakeup_evts,
+ pss_s0ix_wakeup,
+ evtlog[index].telem_evtlog,
+ conf->pss_wakeup, TELEM_MASK_BYTE);
+
+ TELEM_CHECK_AND_PARSE_EVTS(conf->pss_ltr_blocking_id,
+ conf->pss_ltr_evts, pss_ltr_blkd,
+ evtlog[index].telem_evtlog,
+ conf->pss_ltr_data, TELEM_MASK_BYTE);
+
+ if (evtlog[index].telem_evtid == debugfs_conf->pstates_id)
+ pstates = evtlog[index].telem_evtlog;
+ }
+
+ seq_puts(s, "\n--------------------------------------\n");
+ seq_puts(s, "PStates\n");
+ seq_puts(s, "--------------------------------------\n");
+ seq_puts(s, "Domain\t\t\t\tFreq(Mhz)\n");
+ seq_printf(s, " IA\t\t\t\t %llu\n GT\t\t\t\t %llu\n",
+ (pstates & TELEM_MASK_BYTE)*100,
+ ((pstates >> 8) & TELEM_MASK_BYTE)*50/3);
+
+ seq_printf(s, " IUNIT\t\t\t\t %llu\n SA\t\t\t\t %llu\n",
+ ((pstates >> 16) & TELEM_MASK_BYTE)*25,
+ ((pstates >> 24) & TELEM_MASK_BYTE)*50/3);
+
+ seq_puts(s, "\n--------------------------------------\n");
+ seq_puts(s, "PSS IDLE Status\n");
+ seq_puts(s, "--------------------------------------\n");
+ seq_puts(s, "Device\t\t\t\t\tIDLE\n");
+ for (index = 0; index < debugfs_conf->pss_idle_evts; index++) {
+ seq_printf(s, "%-32s\t%u\n",
+ debugfs_conf->pss_idle_data[index].name,
+ pss_idle[index]);
+ }
+
+ seq_puts(s, "\n--------------------------------------\n");
+ seq_puts(s, "PSS Idle blkd Status (~1ms saturating bucket)\n");
+ seq_puts(s, "--------------------------------------\n");
+ seq_puts(s, "Blocker\t\t\t\t\tCount\n");
+ for (index = 0; index < debugfs_conf->pcs_idle_blkd_evts; index++) {
+ seq_printf(s, "%-32s\t%u\n",
+ debugfs_conf->pcs_idle_blkd_data[index].name,
+ pcs_idle_blkd[index]);
+ }
+
+ seq_puts(s, "\n--------------------------------------\n");
+ seq_puts(s, "PSS S0ix blkd Status (~1ms saturating bucket)\n");
+ seq_puts(s, "--------------------------------------\n");
+ seq_puts(s, "Blocker\t\t\t\t\tCount\n");
+ for (index = 0; index < debugfs_conf->pcs_s0ix_blkd_evts; index++) {
+ seq_printf(s, "%-32s\t%u\n",
+ debugfs_conf->pcs_s0ix_blkd_data[index].name,
+ pcs_s0ix_blkd[index]);
+ }
+
+ seq_puts(s, "\n--------------------------------------\n");
+ seq_puts(s, "LTR Blocking Status (~1ms saturating bucket)\n");
+ seq_puts(s, "--------------------------------------\n");
+ seq_puts(s, "Blocker\t\t\t\t\tCount\n");
+ for (index = 0; index < debugfs_conf->pss_ltr_evts; index++) {
+ seq_printf(s, "%-32s\t%u\n",
+ debugfs_conf->pss_ltr_data[index].name,
+ pss_s0ix_wakeup[index]);
+ }
+
+ seq_puts(s, "\n--------------------------------------\n");
+ seq_puts(s, "Wakes Status (~1ms saturating bucket)\n");
+ seq_puts(s, "--------------------------------------\n");
+ seq_puts(s, "Wakes\t\t\t\t\tCount\n");
+ for (index = 0; index < debugfs_conf->pss_wakeup_evts; index++) {
+ seq_printf(s, "%-32s\t%u\n",
+ debugfs_conf->pss_wakeup[index].name,
+ pss_ltr_blkd[index]);
+ }
+
+ return 0;
+}
+
+static int telem_pss_state_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, telem_pss_states_show, inode->i_private);
+}
+
+static const struct file_operations telem_pss_ops = {
+ .open = telem_pss_state_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+
+static int telem_ioss_states_show(struct seq_file *s, void *unused)
+{
+ struct telemetry_evtlog evtlog[TELEM_MAX_OS_ALLOCATED_EVENTS];
+ const char *name[TELEM_MAX_OS_ALLOCATED_EVENTS];
+ int index, ret, err;
+
+ ret = telemetry_read_eventlog(TELEM_IOSS, evtlog,
+ TELEM_MAX_OS_ALLOCATED_EVENTS);
+ if (ret < 0)
+ return ret;
+
+ err = telemetry_get_evtname(TELEM_IOSS, name,
+ TELEM_MAX_OS_ALLOCATED_EVENTS);
+ if (err < 0)
+ return err;
+
+ seq_puts(s, "--------------------------------------\n");
+ seq_puts(s, "\tI0SS TELEMETRY EVENTLOG\n");
+ seq_puts(s, "--------------------------------------\n");
+ for (index = 0; index < ret; index++) {
+ seq_printf(s, "%-32s 0x%llx\n",
+ name[index], evtlog[index].telem_evtlog);
+ }
+
+ return 0;
+}
+
+static int telem_ioss_state_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, telem_ioss_states_show, inode->i_private);
+}
+
+static const struct file_operations telem_ioss_ops = {
+ .open = telem_ioss_state_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int telem_soc_states_show(struct seq_file *s, void *unused)
+{
+ u32 d3_sts[TELEM_IOSS_DX_D0IX_EVTS], d0ix_sts[TELEM_IOSS_DX_D0IX_EVTS];
+ u32 pg_sts[TELEM_IOSS_PG_EVTS], pss_idle[TELEM_PSS_IDLE_EVTS];
+ struct telemetry_evtlog evtlog[TELEM_MAX_OS_ALLOCATED_EVENTS];
+ u32 s0ix_total_ctr = 0, s0ix_shlw_ctr = 0, s0ix_deep_ctr = 0;
+ u64 s0ix_total_res = 0, s0ix_shlw_res = 0, s0ix_deep_res = 0;
+ struct telemetry_debugfs_conf *conf = debugfs_conf;
+ struct pci_dev *dev = NULL;
+ int index, idx, ret;
+ u32 d3_state;
+ u16 pmcsr;
+
+ ret = telemetry_read_eventlog(TELEM_IOSS, evtlog,
+ TELEM_MAX_OS_ALLOCATED_EVENTS);
+ if (ret < 0)
+ return ret;
+
+ for (index = 0; index < ret; index++) {
+ TELEM_CHECK_AND_PARSE_EVTS(conf->ioss_d3_id,
+ conf->ioss_d0ix_evts,
+ d3_sts, evtlog[index].telem_evtlog,
+ conf->ioss_d0ix_data,
+ TELEM_MASK_BIT);
+
+ TELEM_CHECK_AND_PARSE_EVTS(conf->ioss_pg_id, conf->ioss_pg_evts,
+ pg_sts, evtlog[index].telem_evtlog,
+ conf->ioss_pg_data, TELEM_MASK_BIT);
+
+ TELEM_CHECK_AND_PARSE_EVTS(conf->ioss_d0ix_id,
+ conf->ioss_d0ix_evts,
+ d0ix_sts, evtlog[index].telem_evtlog,
+ conf->ioss_d0ix_data,
+ TELEM_MASK_BIT);
+
+ TELEM_CHECK_AND_PARSE_CTRS(conf->s0ix_total_occ_id,
+ s0ix_total_ctr);
+
+ TELEM_CHECK_AND_PARSE_CTRS(conf->s0ix_shlw_occ_id,
+ s0ix_shlw_ctr);
+
+ TELEM_CHECK_AND_PARSE_CTRS(conf->s0ix_deep_occ_id,
+ s0ix_deep_ctr);
+
+ TELEM_CHECK_AND_PARSE_CTRS(conf->s0ix_total_res_id,
+ s0ix_total_res);
+
+ TELEM_CHECK_AND_PARSE_CTRS(conf->s0ix_shlw_res_id,
+ s0ix_shlw_res);
+
+ TELEM_CHECK_AND_PARSE_CTRS(conf->s0ix_deep_res_id,
+ s0ix_deep_res);
+ }
+
+ seq_puts(s, "\n---------------------------------------------------\n");
+ seq_puts(s, "S0IX Type\t\t\t Occurrence\t\t Residency(us)\n");
+ seq_puts(s, "---------------------------------------------------\n");
+
+ seq_printf(s, "S0IX Shallow\t\t\t %10u\t %10llu\n",
+ s0ix_shlw_ctr -
+ conf->suspend_stats.shlw_ctr -
+ conf->suspend_stats.shlw_swake_ctr,
+ (u64)((s0ix_shlw_res -
+ conf->suspend_stats.shlw_res -
+ conf->suspend_stats.shlw_swake_res)*10/192));
+
+ seq_printf(s, "S0IX Deep\t\t\t %10u\t %10llu\n",
+ s0ix_deep_ctr -
+ conf->suspend_stats.deep_ctr -
+ conf->suspend_stats.deep_swake_ctr,
+ (u64)((s0ix_deep_res -
+ conf->suspend_stats.deep_res -
+ conf->suspend_stats.deep_swake_res)*10/192));
+
+ seq_printf(s, "Suspend(With S0ixShallow)\t %10u\t %10llu\n",
+ conf->suspend_stats.shlw_ctr,
+ (u64)(conf->suspend_stats.shlw_res*10)/192);
+
+ seq_printf(s, "Suspend(With S0ixDeep)\t\t %10u\t %10llu\n",
+ conf->suspend_stats.deep_ctr,
+ (u64)(conf->suspend_stats.deep_res*10)/192);
+
+ seq_printf(s, "Suspend(With Shallow-Wakes)\t %10u\t %10llu\n",
+ conf->suspend_stats.shlw_swake_ctr +
+ conf->suspend_stats.deep_swake_ctr,
+ (u64)((conf->suspend_stats.shlw_swake_res +
+ conf->suspend_stats.deep_swake_res)*10/192));
+
+ seq_printf(s, "S0IX+Suspend Total\t\t %10u\t %10llu\n", s0ix_total_ctr,
+ (u64)(s0ix_total_res*10/192));
+ seq_puts(s, "\n-------------------------------------------------\n");
+ seq_puts(s, "\t\tDEVICE STATES\n");
+ seq_puts(s, "-------------------------------------------------\n");
+
+ for_each_pci_dev(dev) {
+ pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr);
+ d3_state = ((pmcsr & PCI_PM_CTRL_STATE_MASK) ==
+ (__force int)PCI_D3hot) ? 1 : 0;
+
+ seq_printf(s, "pci %04x %04X %s %20.20s: ",
+ dev->vendor, dev->device, dev_name(&dev->dev),
+ dev_driver_string(&dev->dev));
+ seq_printf(s, " d3:%x\n", d3_state);
+ }
+
+ seq_puts(s, "\n--------------------------------------\n");
+ seq_puts(s, "D3/D0i3 Status\n");
+ seq_puts(s, "--------------------------------------\n");
+ seq_puts(s, "Block\t\t D3\t D0i3\n");
+ for (index = 0; index < conf->ioss_d0ix_evts; index++) {
+ seq_printf(s, "%-10s\t %u\t %u\n",
+ conf->ioss_d0ix_data[index].name,
+ d3_sts[index], d0ix_sts[index]);
+ }
+
+ seq_puts(s, "\n--------------------------------------\n");
+ seq_puts(s, "South Complex PowerGate Status\n");
+ seq_puts(s, "--------------------------------------\n");
+ seq_puts(s, "Device\t\t PG\n");
+ for (index = 0; index < conf->ioss_pg_evts; index++) {
+ seq_printf(s, "%-10s\t %u\n",
+ conf->ioss_pg_data[index].name,
+ pg_sts[index]);
+ }
+
+ evtlog->telem_evtid = conf->pss_idle_id;
+ ret = telemetry_read_events(TELEM_PSS, evtlog, 1);
+ if (ret < 0)
+ return ret;
+
+ seq_puts(s, "\n-----------------------------------------\n");
+ seq_puts(s, "North Idle Status\n");
+ seq_puts(s, "-----------------------------------------\n");
+ for (idx = 0; idx < conf->pss_idle_evts - 1; idx++) {
+ pss_idle[idx] = (evtlog->telem_evtlog >>
+ conf->pss_idle_data[idx].bit_pos) &
+ TELEM_MASK_BIT;
+ }
+
+ pss_idle[idx] = (evtlog->telem_evtlog >>
+ conf->pss_idle_data[idx].bit_pos) &
+ TELEM_APL_MASK_PCS_STATE;
+
+ for (index = 0; index < conf->pss_idle_evts; index++) {
+ seq_printf(s, "%-30s %u\n",
+ conf->pss_idle_data[index].name,
+ pss_idle[index]);
+ }
+
+ seq_puts(s, "\nPCS_STATUS Code\n");
+ seq_puts(s, "0:C0 1:C1 2:C1_DN_WT_DEV 3:C2 4:C2_WT_DE_MEM_UP\n");
+ seq_puts(s, "5:C2_WT_DE_MEM_DOWN 6:C2_UP_WT_DEV 7:C2_DN 8:C2_VOA\n");
+ seq_puts(s, "9:C2_VOA_UP 10:S0IX_PRE 11:S0IX\n");
+
+ return 0;
+}
+
+static int telem_soc_state_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, telem_soc_states_show, inode->i_private);
+}
+
+static const struct file_operations telem_socstate_ops = {
+ .open = telem_soc_state_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int telem_pss_trc_verb_show(struct seq_file *s, void *unused)
+{
+ u32 verbosity;
+ int err;
+
+ err = telemetry_get_trace_verbosity(TELEM_PSS, &verbosity);
+ if (err) {
+ pr_err("Get PSS Trace Verbosity Failed with Error %d\n", err);
+ return -EFAULT;
+ }
+
+ seq_printf(s, "PSS Trace Verbosity %u\n", verbosity);
+ return 0;
+}
+
+static ssize_t telem_pss_trc_verb_write(struct file *file,
+ const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ u32 verbosity;
+ int err;
+
+ if (kstrtou32_from_user(userbuf, count, 0, &verbosity))
+ return -EFAULT;
+
+ err = telemetry_set_trace_verbosity(TELEM_PSS, verbosity);
+ if (err) {
+ pr_err("Changing PSS Trace Verbosity Failed. Error %d\n", err);
+ count = err;
+ }
+
+ return count;
+}
+
+static int telem_pss_trc_verb_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, telem_pss_trc_verb_show, inode->i_private);
+}
+
+static const struct file_operations telem_pss_trc_verb_ops = {
+ .open = telem_pss_trc_verb_open,
+ .read = seq_read,
+ .write = telem_pss_trc_verb_write,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+
+static int telem_ioss_trc_verb_show(struct seq_file *s, void *unused)
+{
+ u32 verbosity;
+ int err;
+
+ err = telemetry_get_trace_verbosity(TELEM_IOSS, &verbosity);
+ if (err) {
+ pr_err("Get IOSS Trace Verbosity Failed with Error %d\n", err);
+ return -EFAULT;
+ }
+
+ seq_printf(s, "IOSS Trace Verbosity %u\n", verbosity);
+ return 0;
+}
+
+static ssize_t telem_ioss_trc_verb_write(struct file *file,
+ const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ u32 verbosity;
+ int err;
+
+ if (kstrtou32_from_user(userbuf, count, 0, &verbosity))
+ return -EFAULT;
+
+ err = telemetry_set_trace_verbosity(TELEM_IOSS, verbosity);
+ if (err) {
+ pr_err("Changing IOSS Trace Verbosity Failed. Error %d\n", err);
+ count = err;
+ }
+
+ return count;
+}
+
+static int telem_ioss_trc_verb_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, telem_ioss_trc_verb_show, inode->i_private);
+}
+
+static const struct file_operations telem_ioss_trc_verb_ops = {
+ .open = telem_ioss_trc_verb_open,
+ .read = seq_read,
+ .write = telem_ioss_trc_verb_write,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+#ifdef CONFIG_PM_SLEEP
+static int pm_suspend_prep_cb(void)
+{
+ struct telemetry_evtlog evtlog[TELEM_MAX_OS_ALLOCATED_EVENTS];
+ struct telemetry_debugfs_conf *conf = debugfs_conf;
+ int ret, index;
+
+ ret = telemetry_raw_read_eventlog(TELEM_IOSS, evtlog,
+ TELEM_MAX_OS_ALLOCATED_EVENTS);
+ if (ret < 0) {
+ suspend_prep_ok = 0;
+ goto out;
+ }
+
+ for (index = 0; index < ret; index++) {
+
+ TELEM_CHECK_AND_PARSE_CTRS(conf->s0ix_shlw_occ_id,
+ suspend_shlw_ctr_temp);
+
+ TELEM_CHECK_AND_PARSE_CTRS(conf->s0ix_deep_occ_id,
+ suspend_deep_ctr_temp);
+
+ TELEM_CHECK_AND_PARSE_CTRS(conf->s0ix_shlw_res_id,
+ suspend_shlw_res_temp);
+
+ TELEM_CHECK_AND_PARSE_CTRS(conf->s0ix_deep_res_id,
+ suspend_deep_res_temp);
+ }
+ suspend_prep_ok = 1;
+out:
+ return NOTIFY_OK;
+}
+
+static int pm_suspend_exit_cb(void)
+{
+ struct telemetry_evtlog evtlog[TELEM_MAX_OS_ALLOCATED_EVENTS];
+ static u32 suspend_shlw_ctr_exit, suspend_deep_ctr_exit;
+ static u64 suspend_shlw_res_exit, suspend_deep_res_exit;
+ struct telemetry_debugfs_conf *conf = debugfs_conf;
+ int ret, index;
+
+ if (!suspend_prep_ok)
+ goto out;
+
+ ret = telemetry_raw_read_eventlog(TELEM_IOSS, evtlog,
+ TELEM_MAX_OS_ALLOCATED_EVENTS);
+ if (ret < 0)
+ goto out;
+
+ for (index = 0; index < ret; index++) {
+ TELEM_CHECK_AND_PARSE_CTRS(conf->s0ix_shlw_occ_id,
+ suspend_shlw_ctr_exit);
+
+ TELEM_CHECK_AND_PARSE_CTRS(conf->s0ix_deep_occ_id,
+ suspend_deep_ctr_exit);
+
+ TELEM_CHECK_AND_PARSE_CTRS(conf->s0ix_shlw_res_id,
+ suspend_shlw_res_exit);
+
+ TELEM_CHECK_AND_PARSE_CTRS(conf->s0ix_deep_res_id,
+ suspend_deep_res_exit);
+ }
+
+ if ((suspend_shlw_ctr_exit < suspend_shlw_ctr_temp) ||
+ (suspend_deep_ctr_exit < suspend_deep_ctr_temp) ||
+ (suspend_shlw_res_exit < suspend_shlw_res_temp) ||
+ (suspend_deep_res_exit < suspend_deep_res_temp)) {
+ pr_err("Wrong s0ix counters detected\n");
+ goto out;
+ }
+
+ suspend_shlw_ctr_exit -= suspend_shlw_ctr_temp;
+ suspend_deep_ctr_exit -= suspend_deep_ctr_temp;
+ suspend_shlw_res_exit -= suspend_shlw_res_temp;
+ suspend_deep_res_exit -= suspend_deep_res_temp;
+
+ if (suspend_shlw_ctr_exit == 1) {
+ conf->suspend_stats.shlw_ctr +=
+ suspend_shlw_ctr_exit;
+
+ conf->suspend_stats.shlw_res +=
+ suspend_shlw_res_exit;
+ }
+ /* Shallow Wakes Case */
+ else if (suspend_shlw_ctr_exit > 1) {
+ conf->suspend_stats.shlw_swake_ctr +=
+ suspend_shlw_ctr_exit;
+
+ conf->suspend_stats.shlw_swake_res +=
+ suspend_shlw_res_exit;
+ }
+
+ if (suspend_deep_ctr_exit == 1) {
+ conf->suspend_stats.deep_ctr +=
+ suspend_deep_ctr_exit;
+
+ conf->suspend_stats.deep_res +=
+ suspend_deep_res_exit;
+ }
+
+ /* Shallow Wakes Case */
+ else if (suspend_deep_ctr_exit > 1) {
+ conf->suspend_stats.deep_swake_ctr +=
+ suspend_deep_ctr_exit;
+
+ conf->suspend_stats.deep_swake_res +=
+ suspend_deep_res_exit;
+ }
+
+out:
+ suspend_prep_ok = 0;
+ return NOTIFY_OK;
+}
+
+static int pm_notification(struct notifier_block *this,
+ unsigned long event, void *ptr)
+{
+ switch (event) {
+ case PM_SUSPEND_PREPARE:
+ return pm_suspend_prep_cb();
+ case PM_POST_SUSPEND:
+ return pm_suspend_exit_cb();
+ }
+
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block pm_notifier = {
+ .notifier_call = pm_notification,
+};
+#endif /* CONFIG_PM_SLEEP */
+
+static int __init telemetry_debugfs_init(void)
+{
+ const struct x86_cpu_id *id;
+ int err = -ENOMEM;
+ struct dentry *f;
+
+ /* Only APL supported for now */
+ id = x86_match_cpu(telemetry_debugfs_cpu_ids);
+ if (!id)
+ return -ENODEV;
+
+ debugfs_conf = (struct telemetry_debugfs_conf *)id->driver_data;
+
+ err = telemetry_pltconfig_valid();
+ if (err < 0)
+ return -ENODEV;
+
+ err = telemetry_debugfs_check_evts();
+ if (err < 0)
+ return -EINVAL;
+
+
+#ifdef CONFIG_PM_SLEEP
+ register_pm_notifier(&pm_notifier);
+#endif /* CONFIG_PM_SLEEP */
+
+ debugfs_conf->telemetry_dbg_dir = debugfs_create_dir("telemetry", NULL);
+ if (!debugfs_conf->telemetry_dbg_dir)
+ return -ENOMEM;
+
+ f = debugfs_create_file("pss_info", S_IFREG | S_IRUGO,
+ debugfs_conf->telemetry_dbg_dir, NULL,
+ &telem_pss_ops);
+ if (!f) {
+ pr_err("pss_sample_info debugfs register failed\n");
+ goto out;
+ }
+
+ f = debugfs_create_file("ioss_info", S_IFREG | S_IRUGO,
+ debugfs_conf->telemetry_dbg_dir, NULL,
+ &telem_ioss_ops);
+ if (!f) {
+ pr_err("ioss_sample_info debugfs register failed\n");
+ goto out;
+ }
+
+ f = debugfs_create_file("soc_states", S_IFREG | S_IRUGO,
+ debugfs_conf->telemetry_dbg_dir,
+ NULL, &telem_socstate_ops);
+ if (!f) {
+ pr_err("ioss_sample_info debugfs register failed\n");
+ goto out;
+ }
+
+ f = debugfs_create_file("pss_trace_verbosity", S_IFREG | S_IRUGO,
+ debugfs_conf->telemetry_dbg_dir, NULL,
+ &telem_pss_trc_verb_ops);
+ if (!f) {
+ pr_err("pss_trace_verbosity debugfs register failed\n");
+ goto out;
+ }
+
+ f = debugfs_create_file("ioss_trace_verbosity", S_IFREG | S_IRUGO,
+ debugfs_conf->telemetry_dbg_dir, NULL,
+ &telem_ioss_trc_verb_ops);
+ if (!f) {
+ pr_err("ioss_trace_verbosity debugfs register failed\n");
+ goto out;
+ }
+
+ return 0;
+
+out:
+ debugfs_remove_recursive(debugfs_conf->telemetry_dbg_dir);
+ debugfs_conf->telemetry_dbg_dir = NULL;
+
+ return err;
+}
+
+static void __exit telemetry_debugfs_exit(void)
+{
+ debugfs_remove_recursive(debugfs_conf->telemetry_dbg_dir);
+ debugfs_conf->telemetry_dbg_dir = NULL;
+}
+
+late_initcall(telemetry_debugfs_init);
+module_exit(telemetry_debugfs_exit);
+
+MODULE_AUTHOR("Souvik Kumar Chakravarty <souvik.k.chakravarty@intel.com>");
+MODULE_DESCRIPTION("Intel SoC Telemetry debugfs Interface");
+MODULE_VERSION(DRIVER_VERSION);
+MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * Intel SOC Telemetry Platform Driver: Currently supports APL
+ * Copyright (c) 2015, Intel Corporation.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * This file provides the platform specific telemetry implementation for APL.
+ * It used the PUNIT and PMC IPC interfaces for configuring the counters.
+ * The accumulated results are fetched from SRAM.
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
+#include <linux/pci.h>
+#include <linux/suspend.h>
+#include <linux/platform_device.h>
+
+#include <asm/cpu_device_id.h>
+#include <asm/intel_pmc_ipc.h>
+#include <asm/intel_punit_ipc.h>
+#include <asm/intel_telemetry.h>
+
+#define DRIVER_NAME "intel_telemetry"
+#define DRIVER_VERSION "1.0.0"
+
+#define TELEM_TRC_VERBOSITY_MASK 0x3
+
+#define TELEM_MIN_PERIOD(x) ((x) & 0x7F0000)
+#define TELEM_MAX_PERIOD(x) ((x) & 0x7F000000)
+#define TELEM_SAMPLE_PERIOD_INVALID(x) ((x) & (BIT(7)))
+#define TELEM_CLEAR_SAMPLE_PERIOD(x) ((x) &= ~0x7F)
+
+#define TELEM_SAMPLING_DEFAULT_PERIOD 0xD
+
+#define TELEM_MAX_EVENTS_SRAM 28
+#define TELEM_MAX_OS_ALLOCATED_EVENTS 20
+#define TELEM_SSRAM_STARTTIME_OFFSET 8
+#define TELEM_SSRAM_EVTLOG_OFFSET 16
+
+#define IOSS_TELEM_EVENT_READ 0x0
+#define IOSS_TELEM_EVENT_WRITE 0x1
+#define IOSS_TELEM_INFO_READ 0x2
+#define IOSS_TELEM_TRACE_CTL_READ 0x5
+#define IOSS_TELEM_TRACE_CTL_WRITE 0x6
+#define IOSS_TELEM_EVENT_CTL_READ 0x7
+#define IOSS_TELEM_EVENT_CTL_WRITE 0x8
+#define IOSS_TELEM_EVT_CTRL_WRITE_SIZE 0x4
+#define IOSS_TELEM_READ_WORD 0x1
+#define IOSS_TELEM_WRITE_FOURBYTES 0x4
+#define IOSS_TELEM_EVT_WRITE_SIZE 0x3
+
+#define TELEM_INFO_SRAMEVTS_MASK 0xFF00
+#define TELEM_INFO_SRAMEVTS_SHIFT 0x8
+#define TELEM_SSRAM_READ_TIMEOUT 10
+
+#define TELEM_INFO_NENABLES_MASK 0xFF
+#define TELEM_EVENT_ENABLE 0x8000
+
+#define TELEM_MASK_BIT 1
+#define TELEM_MASK_BYTE 0xFF
+#define BYTES_PER_LONG 8
+#define TELEM_MASK_PCS_STATE 0xF
+
+#define TELEM_DISABLE(x) ((x) &= ~(BIT(31)))
+#define TELEM_CLEAR_EVENTS(x) ((x) |= (BIT(30)))
+#define TELEM_ENABLE_SRAM_EVT_TRACE(x) ((x) &= ~(BIT(30) | BIT(24)))
+#define TELEM_ENABLE_PERIODIC(x) ((x) |= (BIT(23) | BIT(31) | BIT(7)))
+#define TELEM_EXTRACT_VERBOSITY(x, y) ((y) = (((x) >> 27) & 0x3))
+#define TELEM_CLEAR_VERBOSITY_BITS(x) ((x) &= ~(BIT(27) | BIT(28)))
+#define TELEM_SET_VERBOSITY_BITS(x, y) ((x) |= ((y) << 27))
+
+#define TELEM_CPU(model, data) \
+ { X86_VENDOR_INTEL, 6, model, X86_FEATURE_MWAIT, (unsigned long)&data }
+
+enum telemetry_action {
+ TELEM_UPDATE = 0,
+ TELEM_ADD,
+ TELEM_RESET,
+ TELEM_ACTION_NONE
+};
+
+struct telem_ssram_region {
+ u64 timestamp;
+ u64 start_time;
+ u64 events[TELEM_MAX_EVENTS_SRAM];
+};
+
+static struct telemetry_plt_config *telm_conf;
+
+/*
+ * The following counters are programmed by default during setup.
+ * Only 20 allocated to kernel driver
+ */
+static struct telemetry_evtmap
+ telemetry_apl_ioss_default_events[TELEM_MAX_OS_ALLOCATED_EVENTS] = {
+ {"SOC_S0IX_TOTAL_RES", 0x4800},
+ {"SOC_S0IX_TOTAL_OCC", 0x4000},
+ {"SOC_S0IX_SHALLOW_RES", 0x4801},
+ {"SOC_S0IX_SHALLOW_OCC", 0x4001},
+ {"SOC_S0IX_DEEP_RES", 0x4802},
+ {"SOC_S0IX_DEEP_OCC", 0x4002},
+ {"PMC_POWER_GATE", 0x5818},
+ {"PMC_D3_STATES", 0x5819},
+ {"PMC_D0I3_STATES", 0x581A},
+ {"PMC_S0IX_WAKE_REASON_GPIO", 0x6000},
+ {"PMC_S0IX_WAKE_REASON_TIMER", 0x6001},
+ {"PMC_S0IX_WAKE_REASON_VNNREQ", 0x6002},
+ {"PMC_S0IX_WAKE_REASON_LOWPOWER", 0x6003},
+ {"PMC_S0IX_WAKE_REASON_EXTERNAL", 0x6004},
+ {"PMC_S0IX_WAKE_REASON_MISC", 0x6005},
+ {"PMC_S0IX_BLOCKING_IPS_D3_D0I3", 0x6006},
+ {"PMC_S0IX_BLOCKING_IPS_PG", 0x6007},
+ {"PMC_S0IX_BLOCKING_MISC_IPS_PG", 0x6008},
+ {"PMC_S0IX_BLOCK_IPS_VNN_REQ", 0x6009},
+ {"PMC_S0IX_BLOCK_IPS_CLOCKS", 0x600B},
+};
+
+
+static struct telemetry_evtmap
+ telemetry_apl_pss_default_events[TELEM_MAX_OS_ALLOCATED_EVENTS] = {
+ {"IA_CORE0_C6_RES", 0x0400},
+ {"IA_CORE0_C6_CTR", 0x0000},
+ {"IA_MODULE0_C7_RES", 0x0410},
+ {"IA_MODULE0_C7_CTR", 0x000E},
+ {"IA_C0_RES", 0x0805},
+ {"PCS_LTR", 0x2801},
+ {"PSTATES", 0x2802},
+ {"SOC_S0I3_RES", 0x0409},
+ {"SOC_S0I3_CTR", 0x000A},
+ {"PCS_S0I3_CTR", 0x0009},
+ {"PCS_C1E_RES", 0x041A},
+ {"PCS_IDLE_STATUS", 0x2806},
+ {"IA_PERF_LIMITS", 0x280B},
+ {"GT_PERF_LIMITS", 0x280C},
+ {"PCS_WAKEUP_S0IX_CTR", 0x0030},
+ {"PCS_IDLE_BLOCKED", 0x2C00},
+ {"PCS_S0IX_BLOCKED", 0x2C01},
+ {"PCS_S0IX_WAKE_REASONS", 0x2C02},
+ {"PCS_LTR_BLOCKING", 0x2C03},
+ {"PC2_AND_MEM_SHALLOW_IDLE_RES", 0x1D40},
+};
+
+/* APL specific Data */
+static struct telemetry_plt_config telem_apl_config = {
+ .pss_config = {
+ .telem_evts = telemetry_apl_pss_default_events,
+ },
+ .ioss_config = {
+ .telem_evts = telemetry_apl_ioss_default_events,
+ },
+};
+
+static const struct x86_cpu_id telemetry_cpu_ids[] = {
+ TELEM_CPU(0x5c, telem_apl_config),
+ {}
+};
+
+MODULE_DEVICE_TABLE(x86cpu, telemetry_cpu_ids);
+
+static inline int telem_get_unitconfig(enum telemetry_unit telem_unit,
+ struct telemetry_unit_config **unit_config)
+{
+ if (telem_unit == TELEM_PSS)
+ *unit_config = &(telm_conf->pss_config);
+ else if (telem_unit == TELEM_IOSS)
+ *unit_config = &(telm_conf->ioss_config);
+ else
+ return -EINVAL;
+
+ return 0;
+
+}
+
+static int telemetry_check_evtid(enum telemetry_unit telem_unit,
+ u32 *evtmap, u8 len,
+ enum telemetry_action action)
+{
+ struct telemetry_unit_config *unit_config;
+ int ret;
+
+ ret = telem_get_unitconfig(telem_unit, &unit_config);
+ if (ret < 0)
+ return ret;
+
+ switch (action) {
+ case TELEM_RESET:
+ if (len > TELEM_MAX_EVENTS_SRAM)
+ return -EINVAL;
+
+ break;
+
+ case TELEM_UPDATE:
+ if (len > TELEM_MAX_EVENTS_SRAM)
+ return -EINVAL;
+
+ if ((len > 0) && (evtmap == NULL))
+ return -EINVAL;
+
+ break;
+
+ case TELEM_ADD:
+ if ((len + unit_config->ssram_evts_used) >
+ TELEM_MAX_EVENTS_SRAM)
+ return -EINVAL;
+
+ if ((len > 0) && (evtmap == NULL))
+ return -EINVAL;
+
+ break;
+
+ default:
+ pr_err("Unknown Telemetry action Specified %d\n", action);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+
+static inline int telemetry_plt_config_ioss_event(u32 evt_id, int index)
+{
+ u32 write_buf;
+ int ret;
+
+ write_buf = evt_id | TELEM_EVENT_ENABLE;
+ write_buf <<= BITS_PER_BYTE;
+ write_buf |= index;
+
+ ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
+ IOSS_TELEM_EVENT_WRITE, (u8 *)&write_buf,
+ IOSS_TELEM_EVT_WRITE_SIZE, NULL, 0);
+
+ return ret;
+}
+
+static inline int telemetry_plt_config_pss_event(u32 evt_id, int index)
+{
+ u32 write_buf;
+ int ret;
+
+ write_buf = evt_id | TELEM_EVENT_ENABLE;
+ ret = intel_punit_ipc_command(IPC_PUNIT_BIOS_WRITE_TELE_EVENT,
+ index, 0, &write_buf, NULL);
+
+ return ret;
+}
+
+static int telemetry_setup_iossevtconfig(struct telemetry_evtconfig evtconfig,
+ enum telemetry_action action)
+{
+ u8 num_ioss_evts, ioss_period;
+ int ret, index, idx;
+ u32 *ioss_evtmap;
+ u32 telem_ctrl;
+
+ num_ioss_evts = evtconfig.num_evts;
+ ioss_period = evtconfig.period;
+ ioss_evtmap = evtconfig.evtmap;
+
+ /* Get telemetry EVENT CTL */
+ ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
+ IOSS_TELEM_EVENT_CTL_READ, NULL, 0,
+ &telem_ctrl, IOSS_TELEM_READ_WORD);
+ if (ret) {
+ pr_err("IOSS TELEM_CTRL Read Failed\n");
+ return ret;
+ }
+
+ /* Disable Telemetry */
+ TELEM_DISABLE(telem_ctrl);
+
+ ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
+ IOSS_TELEM_EVENT_CTL_WRITE,
+ (u8 *)&telem_ctrl,
+ IOSS_TELEM_EVT_CTRL_WRITE_SIZE,
+ NULL, 0);
+ if (ret) {
+ pr_err("IOSS TELEM_CTRL Event Disable Write Failed\n");
+ return ret;
+ }
+
+
+ /* Reset Everything */
+ if (action == TELEM_RESET) {
+ /* Clear All Events */
+ TELEM_CLEAR_EVENTS(telem_ctrl);
+
+ ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
+ IOSS_TELEM_EVENT_CTL_WRITE,
+ (u8 *)&telem_ctrl,
+ IOSS_TELEM_EVT_CTRL_WRITE_SIZE,
+ NULL, 0);
+ if (ret) {
+ pr_err("IOSS TELEM_CTRL Event Disable Write Failed\n");
+ return ret;
+ }
+ telm_conf->ioss_config.ssram_evts_used = 0;
+
+ /* Configure Events */
+ for (idx = 0; idx < num_ioss_evts; idx++) {
+ if (telemetry_plt_config_ioss_event(
+ telm_conf->ioss_config.telem_evts[idx].evt_id,
+ idx)) {
+ pr_err("IOSS TELEM_RESET Fail for data: %x\n",
+ telm_conf->ioss_config.telem_evts[idx].evt_id);
+ continue;
+ }
+ telm_conf->ioss_config.ssram_evts_used++;
+ }
+ }
+
+ /* Re-Configure Everything */
+ if (action == TELEM_UPDATE) {
+ /* Clear All Events */
+ TELEM_CLEAR_EVENTS(telem_ctrl);
+
+ ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
+ IOSS_TELEM_EVENT_CTL_WRITE,
+ (u8 *)&telem_ctrl,
+ IOSS_TELEM_EVT_CTRL_WRITE_SIZE,
+ NULL, 0);
+ if (ret) {
+ pr_err("IOSS TELEM_CTRL Event Disable Write Failed\n");
+ return ret;
+ }
+ telm_conf->ioss_config.ssram_evts_used = 0;
+
+ /* Configure Events */
+ for (index = 0; index < num_ioss_evts; index++) {
+ telm_conf->ioss_config.telem_evts[index].evt_id =
+ ioss_evtmap[index];
+
+ if (telemetry_plt_config_ioss_event(
+ telm_conf->ioss_config.telem_evts[index].evt_id,
+ index)) {
+ pr_err("IOSS TELEM_UPDATE Fail for Evt%x\n",
+ ioss_evtmap[index]);
+ continue;
+ }
+ telm_conf->ioss_config.ssram_evts_used++;
+ }
+ }
+
+ /* Add some Events */
+ if (action == TELEM_ADD) {
+ /* Configure Events */
+ for (index = telm_conf->ioss_config.ssram_evts_used, idx = 0;
+ idx < num_ioss_evts; index++, idx++) {
+ telm_conf->ioss_config.telem_evts[index].evt_id =
+ ioss_evtmap[idx];
+
+ if (telemetry_plt_config_ioss_event(
+ telm_conf->ioss_config.telem_evts[index].evt_id,
+ index)) {
+ pr_err("IOSS TELEM_ADD Fail for Event %x\n",
+ ioss_evtmap[idx]);
+ continue;
+ }
+ telm_conf->ioss_config.ssram_evts_used++;
+ }
+ }
+
+ /* Enable Periodic Telemetry Events and enable SRAM trace */
+ TELEM_CLEAR_SAMPLE_PERIOD(telem_ctrl);
+ TELEM_ENABLE_SRAM_EVT_TRACE(telem_ctrl);
+ TELEM_ENABLE_PERIODIC(telem_ctrl);
+ telem_ctrl |= ioss_period;
+
+ ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
+ IOSS_TELEM_EVENT_CTL_WRITE,
+ (u8 *)&telem_ctrl,
+ IOSS_TELEM_EVT_CTRL_WRITE_SIZE, NULL, 0);
+ if (ret) {
+ pr_err("IOSS TELEM_CTRL Event Enable Write Failed\n");
+ return ret;
+ }
+
+ telm_conf->ioss_config.curr_period = ioss_period;
+
+ return 0;
+}
+
+
+static int telemetry_setup_pssevtconfig(struct telemetry_evtconfig evtconfig,
+ enum telemetry_action action)
+{
+ u8 num_pss_evts, pss_period;
+ int ret, index, idx;
+ u32 *pss_evtmap;
+ u32 telem_ctrl;
+
+ num_pss_evts = evtconfig.num_evts;
+ pss_period = evtconfig.period;
+ pss_evtmap = evtconfig.evtmap;
+
+ /* PSS Config */
+ /* Get telemetry EVENT CTL */
+ ret = intel_punit_ipc_command(IPC_PUNIT_BIOS_READ_TELE_EVENT_CTRL,
+ 0, 0, NULL, &telem_ctrl);
+ if (ret) {
+ pr_err("PSS TELEM_CTRL Read Failed\n");
+ return ret;
+ }
+
+ /* Disable Telemetry */
+ TELEM_DISABLE(telem_ctrl);
+ ret = intel_punit_ipc_command(IPC_PUNIT_BIOS_WRITE_TELE_EVENT_CTRL,
+ 0, 0, &telem_ctrl, NULL);
+ if (ret) {
+ pr_err("PSS TELEM_CTRL Event Disable Write Failed\n");
+ return ret;
+ }
+
+ /* Reset Everything */
+ if (action == TELEM_RESET) {
+ /* Clear All Events */
+ TELEM_CLEAR_EVENTS(telem_ctrl);
+
+ ret = intel_punit_ipc_command(
+ IPC_PUNIT_BIOS_WRITE_TELE_EVENT_CTRL,
+ 0, 0, &telem_ctrl, NULL);
+ if (ret) {
+ pr_err("PSS TELEM_CTRL Event Disable Write Failed\n");
+ return ret;
+ }
+ telm_conf->pss_config.ssram_evts_used = 0;
+ /* Configure Events */
+ for (idx = 0; idx < num_pss_evts; idx++) {
+ if (telemetry_plt_config_pss_event(
+ telm_conf->pss_config.telem_evts[idx].evt_id,
+ idx)) {
+ pr_err("PSS TELEM_RESET Fail for Event %x\n",
+ telm_conf->pss_config.telem_evts[idx].evt_id);
+ continue;
+ }
+ telm_conf->pss_config.ssram_evts_used++;
+ }
+ }
+
+ /* Re-Configure Everything */
+ if (action == TELEM_UPDATE) {
+ /* Clear All Events */
+ TELEM_CLEAR_EVENTS(telem_ctrl);
+
+ ret = intel_punit_ipc_command(
+ IPC_PUNIT_BIOS_WRITE_TELE_EVENT_CTRL,
+ 0, 0, &telem_ctrl, NULL);
+ if (ret) {
+ pr_err("PSS TELEM_CTRL Event Disable Write Failed\n");
+ return ret;
+ }
+ telm_conf->pss_config.ssram_evts_used = 0;
+
+ /* Configure Events */
+ for (index = 0; index < num_pss_evts; index++) {
+ telm_conf->pss_config.telem_evts[index].evt_id =
+ pss_evtmap[index];
+
+ if (telemetry_plt_config_pss_event(
+ telm_conf->pss_config.telem_evts[index].evt_id,
+ index)) {
+ pr_err("PSS TELEM_UPDATE Fail for Event %x\n",
+ pss_evtmap[index]);
+ continue;
+ }
+ telm_conf->pss_config.ssram_evts_used++;
+ }
+ }
+
+ /* Add some Events */
+ if (action == TELEM_ADD) {
+ /* Configure Events */
+ for (index = telm_conf->pss_config.ssram_evts_used, idx = 0;
+ idx < num_pss_evts; index++, idx++) {
+
+ telm_conf->pss_config.telem_evts[index].evt_id =
+ pss_evtmap[idx];
+
+ if (telemetry_plt_config_pss_event(
+ telm_conf->pss_config.telem_evts[index].evt_id,
+ index)) {
+ pr_err("PSS TELEM_ADD Fail for Event %x\n",
+ pss_evtmap[idx]);
+ continue;
+ }
+ telm_conf->pss_config.ssram_evts_used++;
+ }
+ }
+
+ /* Enable Periodic Telemetry Events and enable SRAM trace */
+ TELEM_CLEAR_SAMPLE_PERIOD(telem_ctrl);
+ TELEM_ENABLE_SRAM_EVT_TRACE(telem_ctrl);
+ TELEM_ENABLE_PERIODIC(telem_ctrl);
+ telem_ctrl |= pss_period;
+
+ ret = intel_punit_ipc_command(IPC_PUNIT_BIOS_WRITE_TELE_EVENT_CTRL,
+ 0, 0, &telem_ctrl, NULL);
+ if (ret) {
+ pr_err("PSS TELEM_CTRL Event Enable Write Failed\n");
+ return ret;
+ }
+
+ telm_conf->pss_config.curr_period = pss_period;
+
+ return 0;
+}
+
+static int telemetry_setup_evtconfig(struct telemetry_evtconfig pss_evtconfig,
+ struct telemetry_evtconfig ioss_evtconfig,
+ enum telemetry_action action)
+{
+ int ret;
+
+ mutex_lock(&(telm_conf->telem_lock));
+
+ if ((action == TELEM_UPDATE) && (telm_conf->telem_in_use)) {
+ ret = -EBUSY;
+ goto out;
+ }
+
+ ret = telemetry_check_evtid(TELEM_PSS, pss_evtconfig.evtmap,
+ pss_evtconfig.num_evts, action);
+ if (ret)
+ goto out;
+
+ ret = telemetry_check_evtid(TELEM_IOSS, ioss_evtconfig.evtmap,
+ ioss_evtconfig.num_evts, action);
+ if (ret)
+ goto out;
+
+ if (ioss_evtconfig.num_evts) {
+ ret = telemetry_setup_iossevtconfig(ioss_evtconfig, action);
+ if (ret)
+ goto out;
+ }
+
+ if (pss_evtconfig.num_evts) {
+ ret = telemetry_setup_pssevtconfig(pss_evtconfig, action);
+ if (ret)
+ goto out;
+ }
+
+ if ((action == TELEM_UPDATE) || (action == TELEM_ADD))
+ telm_conf->telem_in_use = true;
+ else
+ telm_conf->telem_in_use = false;
+
+out:
+ mutex_unlock(&(telm_conf->telem_lock));
+ return ret;
+}
+
+static int telemetry_setup(struct platform_device *pdev)
+{
+ struct telemetry_evtconfig pss_evtconfig, ioss_evtconfig;
+ u32 read_buf, events, event_regs;
+ int ret;
+
+ ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY, IOSS_TELEM_INFO_READ,
+ NULL, 0, &read_buf, IOSS_TELEM_READ_WORD);
+ if (ret) {
+ dev_err(&pdev->dev, "IOSS TELEM_INFO Read Failed\n");
+ return ret;
+ }
+
+ /* Get telemetry Info */
+ events = (read_buf & TELEM_INFO_SRAMEVTS_MASK) >>
+ TELEM_INFO_SRAMEVTS_SHIFT;
+ event_regs = read_buf & TELEM_INFO_NENABLES_MASK;
+ if ((events < TELEM_MAX_EVENTS_SRAM) ||
+ (event_regs < TELEM_MAX_EVENTS_SRAM)) {
+ dev_err(&pdev->dev, "IOSS:Insufficient Space for SRAM Trace\n");
+ dev_err(&pdev->dev, "SRAM Events %d; Event Regs %d\n",
+ events, event_regs);
+ return -ENOMEM;
+ }
+
+ telm_conf->ioss_config.min_period = TELEM_MIN_PERIOD(read_buf);
+ telm_conf->ioss_config.max_period = TELEM_MAX_PERIOD(read_buf);
+
+ /* PUNIT Mailbox Setup */
+ ret = intel_punit_ipc_command(IPC_PUNIT_BIOS_READ_TELE_INFO, 0, 0,
+ NULL, &read_buf);
+ if (ret) {
+ dev_err(&pdev->dev, "PSS TELEM_INFO Read Failed\n");
+ return ret;
+ }
+
+ /* Get telemetry Info */
+ events = (read_buf & TELEM_INFO_SRAMEVTS_MASK) >>
+ TELEM_INFO_SRAMEVTS_SHIFT;
+ event_regs = read_buf & TELEM_INFO_SRAMEVTS_MASK;
+ if ((events < TELEM_MAX_EVENTS_SRAM) ||
+ (event_regs < TELEM_MAX_EVENTS_SRAM)) {
+ dev_err(&pdev->dev, "PSS:Insufficient Space for SRAM Trace\n");
+ dev_err(&pdev->dev, "SRAM Events %d; Event Regs %d\n",
+ events, event_regs);
+ return -ENOMEM;
+ }
+
+ telm_conf->pss_config.min_period = TELEM_MIN_PERIOD(read_buf);
+ telm_conf->pss_config.max_period = TELEM_MAX_PERIOD(read_buf);
+
+ pss_evtconfig.evtmap = NULL;
+ pss_evtconfig.num_evts = TELEM_MAX_OS_ALLOCATED_EVENTS;
+ pss_evtconfig.period = TELEM_SAMPLING_DEFAULT_PERIOD;
+
+ ioss_evtconfig.evtmap = NULL;
+ ioss_evtconfig.num_evts = TELEM_MAX_OS_ALLOCATED_EVENTS;
+ ioss_evtconfig.period = TELEM_SAMPLING_DEFAULT_PERIOD;
+
+ ret = telemetry_setup_evtconfig(pss_evtconfig, ioss_evtconfig,
+ TELEM_RESET);
+ if (ret) {
+ dev_err(&pdev->dev, "TELEMTRY Setup Failed\n");
+ return ret;
+ }
+ return 0;
+}
+
+static int telemetry_plt_update_events(struct telemetry_evtconfig pss_evtconfig,
+ struct telemetry_evtconfig ioss_evtconfig)
+{
+ int ret;
+
+ if ((pss_evtconfig.num_evts > 0) &&
+ (TELEM_SAMPLE_PERIOD_INVALID(pss_evtconfig.period))) {
+ pr_err("PSS Sampling Period Out of Range\n");
+ return -EINVAL;
+ }
+
+ if ((ioss_evtconfig.num_evts > 0) &&
+ (TELEM_SAMPLE_PERIOD_INVALID(ioss_evtconfig.period))) {
+ pr_err("IOSS Sampling Period Out of Range\n");
+ return -EINVAL;
+ }
+
+ ret = telemetry_setup_evtconfig(pss_evtconfig, ioss_evtconfig,
+ TELEM_UPDATE);
+ if (ret)
+ pr_err("TELEMTRY Config Failed\n");
+
+ return ret;
+}
+
+
+static int telemetry_plt_set_sampling_period(u8 pss_period, u8 ioss_period)
+{
+ u32 telem_ctrl = 0;
+ int ret;
+
+ mutex_lock(&(telm_conf->telem_lock));
+ if (ioss_period) {
+ if (TELEM_SAMPLE_PERIOD_INVALID(ioss_period)) {
+ pr_err("IOSS Sampling Period Out of Range\n");
+ ret = -EINVAL;
+ goto out;
+ }
+
+ /* Get telemetry EVENT CTL */
+ ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
+ IOSS_TELEM_EVENT_CTL_READ, NULL, 0,
+ &telem_ctrl, IOSS_TELEM_READ_WORD);
+ if (ret) {
+ pr_err("IOSS TELEM_CTRL Read Failed\n");
+ goto out;
+ }
+
+ /* Disable Telemetry */
+ TELEM_DISABLE(telem_ctrl);
+
+ ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
+ IOSS_TELEM_EVENT_CTL_WRITE,
+ (u8 *)&telem_ctrl,
+ IOSS_TELEM_EVT_CTRL_WRITE_SIZE,
+ NULL, 0);
+ if (ret) {
+ pr_err("IOSS TELEM_CTRL Event Disable Write Failed\n");
+ goto out;
+ }
+
+ /* Enable Periodic Telemetry Events and enable SRAM trace */
+ TELEM_CLEAR_SAMPLE_PERIOD(telem_ctrl);
+ TELEM_ENABLE_SRAM_EVT_TRACE(telem_ctrl);
+ TELEM_ENABLE_PERIODIC(telem_ctrl);
+ telem_ctrl |= ioss_period;
+
+ ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
+ IOSS_TELEM_EVENT_CTL_WRITE,
+ (u8 *)&telem_ctrl,
+ IOSS_TELEM_EVT_CTRL_WRITE_SIZE,
+ NULL, 0);
+ if (ret) {
+ pr_err("IOSS TELEM_CTRL Event Enable Write Failed\n");
+ goto out;
+ }
+ telm_conf->ioss_config.curr_period = ioss_period;
+ }
+
+ if (pss_period) {
+ if (TELEM_SAMPLE_PERIOD_INVALID(pss_period)) {
+ pr_err("PSS Sampling Period Out of Range\n");
+ ret = -EINVAL;
+ goto out;
+ }
+
+ /* Get telemetry EVENT CTL */
+ ret = intel_punit_ipc_command(
+ IPC_PUNIT_BIOS_READ_TELE_EVENT_CTRL,
+ 0, 0, NULL, &telem_ctrl);
+ if (ret) {
+ pr_err("PSS TELEM_CTRL Read Failed\n");
+ goto out;
+ }
+
+ /* Disable Telemetry */
+ TELEM_DISABLE(telem_ctrl);
+ ret = intel_punit_ipc_command(
+ IPC_PUNIT_BIOS_WRITE_TELE_EVENT_CTRL,
+ 0, 0, &telem_ctrl, NULL);
+ if (ret) {
+ pr_err("PSS TELEM_CTRL Event Disable Write Failed\n");
+ goto out;
+ }
+
+ /* Enable Periodic Telemetry Events and enable SRAM trace */
+ TELEM_CLEAR_SAMPLE_PERIOD(telem_ctrl);
+ TELEM_ENABLE_SRAM_EVT_TRACE(telem_ctrl);
+ TELEM_ENABLE_PERIODIC(telem_ctrl);
+ telem_ctrl |= pss_period;
+
+ ret = intel_punit_ipc_command(
+ IPC_PUNIT_BIOS_WRITE_TELE_EVENT_CTRL,
+ 0, 0, &telem_ctrl, NULL);
+ if (ret) {
+ pr_err("PSS TELEM_CTRL Event Enable Write Failed\n");
+ goto out;
+ }
+ telm_conf->pss_config.curr_period = pss_period;
+ }
+
+out:
+ mutex_unlock(&(telm_conf->telem_lock));
+ return ret;
+}
+
+
+static int telemetry_plt_get_sampling_period(u8 *pss_min_period,
+ u8 *pss_max_period,
+ u8 *ioss_min_period,
+ u8 *ioss_max_period)
+{
+ *pss_min_period = telm_conf->pss_config.min_period;
+ *pss_max_period = telm_conf->pss_config.max_period;
+ *ioss_min_period = telm_conf->ioss_config.min_period;
+ *ioss_max_period = telm_conf->ioss_config.max_period;
+
+ return 0;
+}
+
+
+static int telemetry_plt_reset_events(void)
+{
+ struct telemetry_evtconfig pss_evtconfig, ioss_evtconfig;
+ int ret;
+
+ pss_evtconfig.evtmap = NULL;
+ pss_evtconfig.num_evts = TELEM_MAX_OS_ALLOCATED_EVENTS;
+ pss_evtconfig.period = TELEM_SAMPLING_DEFAULT_PERIOD;
+
+ ioss_evtconfig.evtmap = NULL;
+ ioss_evtconfig.num_evts = TELEM_MAX_OS_ALLOCATED_EVENTS;
+ ioss_evtconfig.period = TELEM_SAMPLING_DEFAULT_PERIOD;
+
+ ret = telemetry_setup_evtconfig(pss_evtconfig, ioss_evtconfig,
+ TELEM_RESET);
+ if (ret)
+ pr_err("TELEMTRY Reset Failed\n");
+
+ return ret;
+}
+
+
+static int telemetry_plt_get_eventconfig(struct telemetry_evtconfig *pss_config,
+ struct telemetry_evtconfig *ioss_config,
+ int pss_len, int ioss_len)
+{
+ u32 *pss_evtmap, *ioss_evtmap;
+ u32 index;
+
+ pss_evtmap = pss_config->evtmap;
+ ioss_evtmap = ioss_config->evtmap;
+
+ mutex_lock(&(telm_conf->telem_lock));
+ pss_config->num_evts = telm_conf->pss_config.ssram_evts_used;
+ ioss_config->num_evts = telm_conf->ioss_config.ssram_evts_used;
+
+ pss_config->period = telm_conf->pss_config.curr_period;
+ ioss_config->period = telm_conf->ioss_config.curr_period;
+
+ if ((pss_len < telm_conf->pss_config.ssram_evts_used) ||
+ (ioss_len < telm_conf->ioss_config.ssram_evts_used)) {
+ mutex_unlock(&(telm_conf->telem_lock));
+ return -EINVAL;
+ }
+
+ for (index = 0; index < telm_conf->pss_config.ssram_evts_used;
+ index++) {
+ pss_evtmap[index] =
+ telm_conf->pss_config.telem_evts[index].evt_id;
+ }
+
+ for (index = 0; index < telm_conf->ioss_config.ssram_evts_used;
+ index++) {
+ ioss_evtmap[index] =
+ telm_conf->ioss_config.telem_evts[index].evt_id;
+ }
+
+ mutex_unlock(&(telm_conf->telem_lock));
+ return 0;
+}
+
+
+static int telemetry_plt_add_events(u8 num_pss_evts, u8 num_ioss_evts,
+ u32 *pss_evtmap, u32 *ioss_evtmap)
+{
+ struct telemetry_evtconfig pss_evtconfig, ioss_evtconfig;
+ int ret;
+
+ pss_evtconfig.evtmap = pss_evtmap;
+ pss_evtconfig.num_evts = num_pss_evts;
+ pss_evtconfig.period = telm_conf->pss_config.curr_period;
+
+ ioss_evtconfig.evtmap = ioss_evtmap;
+ ioss_evtconfig.num_evts = num_ioss_evts;
+ ioss_evtconfig.period = telm_conf->ioss_config.curr_period;
+
+ ret = telemetry_setup_evtconfig(pss_evtconfig, ioss_evtconfig,
+ TELEM_ADD);
+ if (ret)
+ pr_err("TELEMTRY ADD Failed\n");
+
+ return ret;
+}
+
+static int telem_evtlog_read(enum telemetry_unit telem_unit,
+ struct telem_ssram_region *ssram_region, u8 len)
+{
+ struct telemetry_unit_config *unit_config;
+ u64 timestamp_prev, timestamp_next;
+ int ret, index, timeout = 0;
+
+ ret = telem_get_unitconfig(telem_unit, &unit_config);
+ if (ret < 0)
+ return ret;
+
+ if (len > unit_config->ssram_evts_used)
+ len = unit_config->ssram_evts_used;
+
+ do {
+ timestamp_prev = readq(unit_config->regmap);
+ if (!timestamp_prev) {
+ pr_err("Ssram under update. Please Try Later\n");
+ return -EBUSY;
+ }
+
+ ssram_region->start_time = readq(unit_config->regmap +
+ TELEM_SSRAM_STARTTIME_OFFSET);
+
+ for (index = 0; index < len; index++) {
+ ssram_region->events[index] =
+ readq(unit_config->regmap + TELEM_SSRAM_EVTLOG_OFFSET +
+ BYTES_PER_LONG*index);
+ }
+
+ timestamp_next = readq(unit_config->regmap);
+ if (!timestamp_next) {
+ pr_err("Ssram under update. Please Try Later\n");
+ return -EBUSY;
+ }
+
+ if (timeout++ > TELEM_SSRAM_READ_TIMEOUT) {
+ pr_err("Timeout while reading Events\n");
+ return -EBUSY;
+ }
+
+ } while (timestamp_prev != timestamp_next);
+
+ ssram_region->timestamp = timestamp_next;
+
+ return len;
+}
+
+static int telemetry_plt_raw_read_eventlog(enum telemetry_unit telem_unit,
+ struct telemetry_evtlog *evtlog,
+ int len, int log_all_evts)
+{
+ int index, idx1, ret, readlen = len;
+ struct telem_ssram_region ssram_region;
+ struct telemetry_evtmap *evtmap;
+
+ switch (telem_unit) {
+ case TELEM_PSS:
+ evtmap = telm_conf->pss_config.telem_evts;
+ break;
+
+ case TELEM_IOSS:
+ evtmap = telm_conf->ioss_config.telem_evts;
+ break;
+
+ default:
+ pr_err("Unknown Telemetry Unit Specified %d\n", telem_unit);
+ return -EINVAL;
+ }
+
+ if (!log_all_evts)
+ readlen = TELEM_MAX_EVENTS_SRAM;
+
+ ret = telem_evtlog_read(telem_unit, &ssram_region, readlen);
+ if (ret < 0)
+ return ret;
+
+ /* Invalid evt-id array specified via length mismatch */
+ if ((!log_all_evts) && (len > ret))
+ return -EINVAL;
+
+ if (log_all_evts)
+ for (index = 0; index < ret; index++) {
+ evtlog[index].telem_evtlog = ssram_region.events[index];
+ evtlog[index].telem_evtid = evtmap[index].evt_id;
+ }
+ else
+ for (index = 0, readlen = 0; (index < ret) && (readlen < len);
+ index++) {
+ for (idx1 = 0; idx1 < len; idx1++) {
+ /* Elements matched */
+ if (evtmap[index].evt_id ==
+ evtlog[idx1].telem_evtid) {
+ evtlog[idx1].telem_evtlog =
+ ssram_region.events[index];
+ readlen++;
+
+ break;
+ }
+ }
+ }
+
+ return readlen;
+}
+
+static int telemetry_plt_read_eventlog(enum telemetry_unit telem_unit,
+ struct telemetry_evtlog *evtlog, int len, int log_all_evts)
+{
+ int ret;
+
+ mutex_lock(&(telm_conf->telem_lock));
+ ret = telemetry_plt_raw_read_eventlog(telem_unit, evtlog,
+ len, log_all_evts);
+ mutex_unlock(&(telm_conf->telem_lock));
+
+ return ret;
+}
+
+static int telemetry_plt_get_trace_verbosity(enum telemetry_unit telem_unit,
+ u32 *verbosity)
+{
+ u32 temp = 0;
+ int ret;
+
+ if (verbosity == NULL)
+ return -EINVAL;
+
+ mutex_lock(&(telm_conf->telem_trace_lock));
+ switch (telem_unit) {
+ case TELEM_PSS:
+ ret = intel_punit_ipc_command(
+ IPC_PUNIT_BIOS_READ_TELE_TRACE_CTRL,
+ 0, 0, NULL, &temp);
+ if (ret) {
+ pr_err("PSS TRACE_CTRL Read Failed\n");
+ goto out;
+ }
+
+ break;
+
+ case TELEM_IOSS:
+ ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
+ IOSS_TELEM_TRACE_CTL_READ, NULL, 0, &temp,
+ IOSS_TELEM_READ_WORD);
+ if (ret) {
+ pr_err("IOSS TRACE_CTL Read Failed\n");
+ goto out;
+ }
+
+ break;
+
+ default:
+ pr_err("Unknown Telemetry Unit Specified %d\n", telem_unit);
+ ret = -EINVAL;
+ break;
+ }
+ TELEM_EXTRACT_VERBOSITY(temp, *verbosity);
+
+out:
+ mutex_unlock(&(telm_conf->telem_trace_lock));
+ return ret;
+}
+
+static int telemetry_plt_set_trace_verbosity(enum telemetry_unit telem_unit,
+ u32 verbosity)
+{
+ u32 temp = 0;
+ int ret;
+
+ verbosity &= TELEM_TRC_VERBOSITY_MASK;
+
+ mutex_lock(&(telm_conf->telem_trace_lock));
+ switch (telem_unit) {
+ case TELEM_PSS:
+ ret = intel_punit_ipc_command(
+ IPC_PUNIT_BIOS_WRITE_TELE_TRACE_CTRL,
+ 0, 0, &verbosity, NULL);
+ if (ret) {
+ pr_err("PSS TRACE_CTRL Verbosity Set Failed\n");
+ goto out;
+ }
+ break;
+
+ case TELEM_IOSS:
+ ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
+ IOSS_TELEM_TRACE_CTL_READ, NULL, 0, &temp,
+ IOSS_TELEM_READ_WORD);
+ if (ret) {
+ pr_err("IOSS TRACE_CTL Read Failed\n");
+ goto out;
+ }
+
+ TELEM_CLEAR_VERBOSITY_BITS(temp);
+ TELEM_SET_VERBOSITY_BITS(temp, verbosity);
+
+ ret = intel_pmc_ipc_command(PMC_IPC_PMC_TELEMTRY,
+ IOSS_TELEM_TRACE_CTL_WRITE, (u8 *)&temp,
+ IOSS_TELEM_WRITE_FOURBYTES, NULL, 0);
+ if (ret) {
+ pr_err("IOSS TRACE_CTL Verbosity Set Failed\n");
+ goto out;
+ }
+ break;
+
+ default:
+ pr_err("Unknown Telemetry Unit Specified %d\n", telem_unit);
+ ret = -EINVAL;
+ break;
+ }
+
+out:
+ mutex_unlock(&(telm_conf->telem_trace_lock));
+ return ret;
+}
+
+static struct telemetry_core_ops telm_pltops = {
+ .get_trace_verbosity = telemetry_plt_get_trace_verbosity,
+ .set_trace_verbosity = telemetry_plt_set_trace_verbosity,
+ .set_sampling_period = telemetry_plt_set_sampling_period,
+ .get_sampling_period = telemetry_plt_get_sampling_period,
+ .raw_read_eventlog = telemetry_plt_raw_read_eventlog,
+ .get_eventconfig = telemetry_plt_get_eventconfig,
+ .update_events = telemetry_plt_update_events,
+ .read_eventlog = telemetry_plt_read_eventlog,
+ .reset_events = telemetry_plt_reset_events,
+ .add_events = telemetry_plt_add_events,
+};
+
+static int telemetry_pltdrv_probe(struct platform_device *pdev)
+{
+ struct resource *res0 = NULL, *res1 = NULL;
+ const struct x86_cpu_id *id;
+ int size, ret = -ENOMEM;
+
+ id = x86_match_cpu(telemetry_cpu_ids);
+ if (!id)
+ return -ENODEV;
+
+ telm_conf = (struct telemetry_plt_config *)id->driver_data;
+
+ res0 = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res0) {
+ ret = -EINVAL;
+ goto out;
+ }
+ size = resource_size(res0);
+ if (!devm_request_mem_region(&pdev->dev, res0->start, size,
+ pdev->name)) {
+ ret = -EBUSY;
+ goto out;
+ }
+ telm_conf->pss_config.ssram_base_addr = res0->start;
+ telm_conf->pss_config.ssram_size = size;
+
+ res1 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ if (!res1) {
+ ret = -EINVAL;
+ goto out;
+ }
+ size = resource_size(res1);
+ if (!devm_request_mem_region(&pdev->dev, res1->start, size,
+ pdev->name)) {
+ ret = -EBUSY;
+ goto out;
+ }
+
+ telm_conf->ioss_config.ssram_base_addr = res1->start;
+ telm_conf->ioss_config.ssram_size = size;
+
+ telm_conf->pss_config.regmap = ioremap_nocache(
+ telm_conf->pss_config.ssram_base_addr,
+ telm_conf->pss_config.ssram_size);
+ if (!telm_conf->pss_config.regmap) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ telm_conf->ioss_config.regmap = ioremap_nocache(
+ telm_conf->ioss_config.ssram_base_addr,
+ telm_conf->ioss_config.ssram_size);
+ if (!telm_conf->ioss_config.regmap) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ mutex_init(&telm_conf->telem_lock);
+ mutex_init(&telm_conf->telem_trace_lock);
+
+ ret = telemetry_setup(pdev);
+ if (ret)
+ goto out;
+
+ ret = telemetry_set_pltdata(&telm_pltops, telm_conf);
+ if (ret) {
+ dev_err(&pdev->dev, "TELEMTRY Set Pltops Failed.\n");
+ goto out;
+ }
+
+ return 0;
+
+out:
+ if (res0)
+ release_mem_region(res0->start, resource_size(res0));
+ if (res1)
+ release_mem_region(res1->start, resource_size(res1));
+ if (telm_conf->pss_config.regmap)
+ iounmap(telm_conf->pss_config.regmap);
+ if (telm_conf->ioss_config.regmap)
+ iounmap(telm_conf->ioss_config.regmap);
+ dev_err(&pdev->dev, "TELEMTRY Setup Failed.\n");
+
+ return ret;
+}
+
+static int telemetry_pltdrv_remove(struct platform_device *pdev)
+{
+ telemetry_clear_pltdata();
+ iounmap(telm_conf->pss_config.regmap);
+ iounmap(telm_conf->ioss_config.regmap);
+
+ return 0;
+}
+
+static struct platform_driver telemetry_soc_driver = {
+ .probe = telemetry_pltdrv_probe,
+ .remove = telemetry_pltdrv_remove,
+ .driver = {
+ .name = DRIVER_NAME,
+ },
+};
+
+static int __init telemetry_module_init(void)
+{
+ pr_info(DRIVER_NAME ": version %s loaded\n", DRIVER_VERSION);
+ return platform_driver_register(&telemetry_soc_driver);
+}
+
+static void __exit telemetry_module_exit(void)
+{
+ platform_driver_unregister(&telemetry_soc_driver);
+}
+
+device_initcall(telemetry_module_init);
+module_exit(telemetry_module_exit);
+
+MODULE_AUTHOR("Souvik Kumar Chakravarty <souvik.k.chakravarty@intel.com>");
+MODULE_DESCRIPTION("Intel SoC Telemetry Platform Driver");
+MODULE_VERSION(DRIVER_VERSION);
+MODULE_LICENSE("GPL");
case 0x0143:
case 0x014b:
case 0x014c:
+ case 0x0153:
case 0x0163:
result = sony_nc_kbd_backlight_setup(pf_device, handle);
if (result)
case 0x0143:
case 0x014b:
case 0x014c:
+ case 0x0153:
case 0x0163:
sony_nc_kbd_backlight_cleanup(pd, handle);
break;
unsigned int base;
unsigned int mode;
unsigned int timeout;
+ unsigned int has_timeout;
struct device_attribute mode_attr;
struct device_attribute timeout_attr;
};
unsigned int handle)
{
int result;
+ int probe_base = 0;
+ int ctl_base = 0;
int ret = 0;
if (kbdbl_ctl) {
return -EBUSY;
}
- /* verify the kbd backlight presence, these handles are not used for
- * keyboard backlight only
+ /* verify the kbd backlight presence, some of these handles are not used
+ * for keyboard backlight only
*/
- ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100,
- &result);
+ switch (handle) {
+ case 0x0153:
+ probe_base = 0x0;
+ ctl_base = 0x0;
+ break;
+ case 0x0137:
+ probe_base = 0x0B00;
+ ctl_base = 0x0C00;
+ break;
+ default:
+ probe_base = 0x0100;
+ ctl_base = 0x4000;
+ break;
+ }
+
+ ret = sony_call_snc_handle(handle, probe_base, &result);
if (ret)
return ret;
kbdbl_ctl->mode = kbd_backlight;
kbdbl_ctl->timeout = kbd_backlight_timeout;
kbdbl_ctl->handle = handle;
- if (handle == 0x0137)
- kbdbl_ctl->base = 0x0C00;
- else
- kbdbl_ctl->base = 0x4000;
+ kbdbl_ctl->base = ctl_base;
+ /* Some models do not allow timeout control */
+ kbdbl_ctl->has_timeout = handle != 0x0153;
sysfs_attr_init(&kbdbl_ctl->mode_attr.attr);
kbdbl_ctl->mode_attr.attr.name = "kbd_backlight";
kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show;
kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store;
- sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
- kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
- kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
- kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show;
- kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store;
-
ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr);
if (ret)
goto outkzalloc;
- ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
- if (ret)
- goto outmode;
-
__sony_nc_kbd_backlight_mode_set(kbdbl_ctl->mode);
- __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
+
+ if (kbdbl_ctl->has_timeout) {
+ sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr);
+ kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout";
+ kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR;
+ kbdbl_ctl->timeout_attr.show =
+ sony_nc_kbd_backlight_timeout_show;
+ kbdbl_ctl->timeout_attr.store =
+ sony_nc_kbd_backlight_timeout_store;
+
+ ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr);
+ if (ret)
+ goto outmode;
+
+ __sony_nc_kbd_backlight_timeout_set(kbdbl_ctl->timeout);
+ }
+
return 0;
{
if (kbdbl_ctl && handle == kbdbl_ctl->handle) {
device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr);
- device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
+ if (kbdbl_ctl->has_timeout)
+ device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr);
kfree(kbdbl_ctl);
kbdbl_ctl = NULL;
}
/*
* power/home/volume button support for
- * Microsoft Surface Pro 3 tablet.
+ * Microsoft Surface Pro 3/4 tablet.
*
* Copyright (c) 2015 Intel Corporation.
* All rights reserved.
#include <linux/acpi.h>
#include <acpi/button.h>
-#define SURFACE_BUTTON_HID "MSHW0028"
+#define SURFACE_PRO3_BUTTON_HID "MSHW0028"
+#define SURFACE_PRO4_BUTTON_HID "MSHW0040"
#define SURFACE_BUTTON_OBJ_NAME "VGBI"
-#define SURFACE_BUTTON_DEVICE_NAME "Surface Pro 3 Buttons"
+#define SURFACE_BUTTON_DEVICE_NAME "Surface Pro 3/4 Buttons"
#define SURFACE_BUTTON_NOTIFY_PRESS_POWER 0xc6
#define SURFACE_BUTTON_NOTIFY_RELEASE_POWER 0xc7
* acpi_driver.
*/
static const struct acpi_device_id surface_button_device_ids[] = {
- {SURFACE_BUTTON_HID, 0},
+ {SURFACE_PRO3_BUTTON_HID, 0},
+ {SURFACE_PRO4_BUTTON_HID, 0},
{"", 0},
};
MODULE_DEVICE_TABLE(acpi, surface_button_device_ids);
break;
}
input = button->input;
- if (KEY_RESERVED == key_code)
+ if (key_code == KEY_RESERVED)
return;
if (pressed)
pm_wakeup_event(&device->dev, 0);
u32 jogdial;
};
+#ifdef CONFIG_PM
static struct tc1100_data suspend_data;
+#endif
/* --------------------------------------------------------------------------
Device Management
u32 hotkey_mask:1;
u32 hotkey_wlsw:1;
u32 hotkey_tablet:1;
+ u32 kbdlight:1;
u32 light:1;
u32 light_status:1;
u32 bright_acpimode:1;
#endif /* CONFIG_THINKPAD_ACPI_VIDEO */
+/*************************************************************************
+ * Keyboard backlight subdriver
+ */
+
+static int kbdlight_set_level(int level)
+{
+ if (!hkey_handle)
+ return -ENXIO;
+
+ if (!acpi_evalf(hkey_handle, NULL, "MLCS", "dd", level))
+ return -EIO;
+
+ return 0;
+}
+
+static int kbdlight_get_level(void)
+{
+ int status = 0;
+
+ if (!hkey_handle)
+ return -ENXIO;
+
+ if (!acpi_evalf(hkey_handle, &status, "MLCG", "dd", 0))
+ return -EIO;
+
+ if (status < 0)
+ return status;
+
+ return status & 0x3;
+}
+
+static bool kbdlight_is_supported(void)
+{
+ int status = 0;
+
+ if (!hkey_handle)
+ return false;
+
+ if (!acpi_has_method(hkey_handle, "MLCG")) {
+ vdbg_printk(TPACPI_DBG_INIT, "kbdlight MLCG is unavailable\n");
+ return false;
+ }
+
+ if (!acpi_evalf(hkey_handle, &status, "MLCG", "qdd", 0)) {
+ vdbg_printk(TPACPI_DBG_INIT, "kbdlight MLCG failed\n");
+ return false;
+ }
+
+ if (status < 0) {
+ vdbg_printk(TPACPI_DBG_INIT, "kbdlight MLCG err: %d\n", status);
+ return false;
+ }
+
+ vdbg_printk(TPACPI_DBG_INIT, "kbdlight MLCG returned 0x%x\n", status);
+ /*
+ * Guessed test for keyboard backlight:
+ *
+ * Machines with backlight keyboard return:
+ * b010100000010000000XX - ThinkPad X1 Carbon 3rd
+ * b110100010010000000XX - ThinkPad x230
+ * b010100000010000000XX - ThinkPad x240
+ * b010100000010000000XX - ThinkPad W541
+ * (XX is current backlight level)
+ *
+ * Machines without backlight keyboard return:
+ * b10100001000000000000 - ThinkPad x230
+ * b10110001000000000000 - ThinkPad E430
+ * b00000000000000000000 - ThinkPad E450
+ *
+ * Candidate BITs for detection test (XOR):
+ * b01000000001000000000
+ * ^
+ */
+ return status & BIT(9);
+}
+
+static void kbdlight_set_worker(struct work_struct *work)
+{
+ struct tpacpi_led_classdev *data =
+ container_of(work, struct tpacpi_led_classdev, work);
+
+ if (likely(tpacpi_lifecycle == TPACPI_LIFE_RUNNING))
+ kbdlight_set_level(data->new_state);
+}
+
+static void kbdlight_sysfs_set(struct led_classdev *led_cdev,
+ enum led_brightness brightness)
+{
+ struct tpacpi_led_classdev *data =
+ container_of(led_cdev,
+ struct tpacpi_led_classdev,
+ led_classdev);
+ data->new_state = brightness;
+ queue_work(tpacpi_wq, &data->work);
+}
+
+static enum led_brightness kbdlight_sysfs_get(struct led_classdev *led_cdev)
+{
+ int level;
+
+ level = kbdlight_get_level();
+ if (level < 0)
+ return 0;
+
+ return level;
+}
+
+static struct tpacpi_led_classdev tpacpi_led_kbdlight = {
+ .led_classdev = {
+ .name = "tpacpi::kbd_backlight",
+ .max_brightness = 2,
+ .brightness_set = &kbdlight_sysfs_set,
+ .brightness_get = &kbdlight_sysfs_get,
+ .flags = LED_CORE_SUSPENDRESUME,
+ }
+};
+
+static int __init kbdlight_init(struct ibm_init_struct *iibm)
+{
+ int rc;
+
+ vdbg_printk(TPACPI_DBG_INIT, "initializing kbdlight subdriver\n");
+
+ TPACPI_ACPIHANDLE_INIT(hkey);
+ INIT_WORK(&tpacpi_led_kbdlight.work, kbdlight_set_worker);
+
+ if (!kbdlight_is_supported()) {
+ tp_features.kbdlight = 0;
+ vdbg_printk(TPACPI_DBG_INIT, "kbdlight is unsupported\n");
+ return 1;
+ }
+
+ tp_features.kbdlight = 1;
+
+ rc = led_classdev_register(&tpacpi_pdev->dev,
+ &tpacpi_led_kbdlight.led_classdev);
+ if (rc < 0) {
+ tp_features.kbdlight = 0;
+ return rc;
+ }
+
+ return 0;
+}
+
+static void kbdlight_exit(void)
+{
+ if (tp_features.kbdlight)
+ led_classdev_unregister(&tpacpi_led_kbdlight.led_classdev);
+ flush_workqueue(tpacpi_wq);
+}
+
+static int kbdlight_read(struct seq_file *m)
+{
+ int level;
+
+ if (!tp_features.kbdlight) {
+ seq_printf(m, "status:\t\tnot supported\n");
+ } else {
+ level = kbdlight_get_level();
+ if (level < 0)
+ seq_printf(m, "status:\t\terror %d\n", level);
+ else
+ seq_printf(m, "status:\t\t%d\n", level);
+ seq_printf(m, "commands:\t0, 1, 2\n");
+ }
+
+ return 0;
+}
+
+static int kbdlight_write(char *buf)
+{
+ char *cmd;
+ int level = -1;
+
+ if (!tp_features.kbdlight)
+ return -ENODEV;
+
+ while ((cmd = next_cmd(&buf))) {
+ if (strlencmp(cmd, "0") == 0)
+ level = 0;
+ else if (strlencmp(cmd, "1") == 0)
+ level = 1;
+ else if (strlencmp(cmd, "2") == 0)
+ level = 2;
+ else
+ return -EINVAL;
+ }
+
+ if (level == -1)
+ return -EINVAL;
+
+ return kbdlight_set_level(level);
+}
+
+static struct ibm_struct kbdlight_driver_data = {
+ .name = "kbdlight",
+ .read = kbdlight_read,
+ .write = kbdlight_write,
+ .exit = kbdlight_exit,
+};
+
/*************************************************************************
* Light (thinklight) subdriver
*/
.data = &video_driver_data,
},
#endif
+ {
+ .init = kbdlight_init,
+ .data = &kbdlight_driver_data,
+ },
{
.init = light_init,
.data = &light_driver_data,
#include <linux/dmi.h>
#include <linux/uaccess.h>
#include <linux/miscdevice.h>
+#include <linux/rfkill.h>
#include <linux/toshiba.h>
#include <acpi/video.h>
#define HCI_VIDEO_OUT 0x001c
#define HCI_HOTKEY_EVENT 0x001e
#define HCI_LCD_BRIGHTNESS 0x002a
+#define HCI_WIRELESS 0x0056
#define HCI_ACCELEROMETER 0x006d
#define HCI_KBD_ILLUMINATION 0x0095
#define HCI_ECO_MODE 0x0097
#define SCI_KBD_MODE_ON 0x8
#define SCI_KBD_MODE_OFF 0x10
#define SCI_KBD_TIME_MAX 0x3c001a
+#define HCI_WIRELESS_STATUS 0x1
+#define HCI_WIRELESS_WWAN 0x3
+#define HCI_WIRELESS_WWAN_STATUS 0x2000
+#define HCI_WIRELESS_WWAN_POWER 0x4000
#define SCI_USB_CHARGE_MODE_MASK 0xff
#define SCI_USB_CHARGE_DISABLED 0x00
#define SCI_USB_CHARGE_ALTERNATE 0x09
struct led_classdev kbd_led;
struct led_classdev eco_led;
struct miscdevice miscdev;
+ struct rfkill *wwan_rfk;
int force_fan;
int last_key_event;
unsigned int kbd_function_keys_supported:1;
unsigned int panel_power_on_supported:1;
unsigned int usb_three_supported:1;
+ unsigned int wwan_supported:1;
unsigned int sysfs_created:1;
unsigned int special_functions;
+ bool kbd_event_generated;
bool kbd_led_registered;
bool illumination_led_registered;
bool eco_led_registered;
+ bool killswitch;
};
static struct toshiba_acpi_dev *toshiba_acpi;
dev->kbd_illum_supported = 0;
dev->kbd_led_registered = false;
+ dev->kbd_event_generated = false;
if (!sci_open(dev))
return;
return -EIO;
}
+/* Wireless status (RFKill, WLAN, BT, WWAN) */
+static int toshiba_wireless_status(struct toshiba_acpi_dev *dev)
+{
+ u32 in[TCI_WORDS] = { HCI_GET, HCI_WIRELESS, 0, 0, 0, 0 };
+ u32 out[TCI_WORDS];
+ acpi_status status;
+
+ in[3] = HCI_WIRELESS_STATUS;
+ status = tci_raw(dev, in, out);
+
+ if (ACPI_FAILURE(status)) {
+ pr_err("ACPI call to get Wireless status failed\n");
+ return -EIO;
+ }
+
+ if (out[0] == TOS_NOT_SUPPORTED)
+ return -ENODEV;
+
+ if (out[0] != TOS_SUCCESS)
+ return -EIO;
+
+ dev->killswitch = !!(out[2] & HCI_WIRELESS_STATUS);
+
+ return 0;
+}
+
+/* WWAN */
+static void toshiba_wwan_available(struct toshiba_acpi_dev *dev)
+{
+ u32 in[TCI_WORDS] = { HCI_GET, HCI_WIRELESS, 0, 0, 0, 0 };
+ u32 out[TCI_WORDS];
+ acpi_status status;
+
+ dev->wwan_supported = 0;
+
+ /*
+ * WWAN support can be queried by setting the in[3] value to
+ * HCI_WIRELESS_WWAN (0x03).
+ *
+ * If supported, out[0] contains TOS_SUCCESS and out[2] contains
+ * HCI_WIRELESS_WWAN_STATUS (0x2000).
+ *
+ * If not supported, out[0] contains TOS_INPUT_DATA_ERROR (0x8300)
+ * or TOS_NOT_SUPPORTED (0x8000).
+ */
+ in[3] = HCI_WIRELESS_WWAN;
+ status = tci_raw(dev, in, out);
+
+ if (ACPI_FAILURE(status)) {
+ pr_err("ACPI call to get WWAN status failed\n");
+ return;
+ }
+
+ if (out[0] != TOS_SUCCESS)
+ return;
+
+ dev->wwan_supported = (out[2] == HCI_WIRELESS_WWAN_STATUS);
+}
+
+static int toshiba_wwan_set(struct toshiba_acpi_dev *dev, u32 state)
+{
+ u32 in[TCI_WORDS] = { HCI_SET, HCI_WIRELESS, state, 0, 0, 0 };
+ u32 out[TCI_WORDS];
+ acpi_status status;
+
+ in[3] = HCI_WIRELESS_WWAN_STATUS;
+ status = tci_raw(dev, in, out);
+
+ if (ACPI_FAILURE(status)) {
+ pr_err("ACPI call to set WWAN status failed\n");
+ return -EIO;
+ }
+
+ if (out[0] == TOS_NOT_SUPPORTED)
+ return -ENODEV;
+
+ if (out[0] != TOS_SUCCESS)
+ return -EIO;
+
+ /*
+ * Some devices only need to call HCI_WIRELESS_WWAN_STATUS to
+ * (de)activate the device, but some others need the
+ * HCI_WIRELESS_WWAN_POWER call as well.
+ */
+ in[3] = HCI_WIRELESS_WWAN_POWER;
+ status = tci_raw(dev, in, out);
+
+ if (ACPI_FAILURE(status)) {
+ pr_err("ACPI call to set WWAN power failed\n");
+ return -EIO;
+ }
+
+ if (out[0] == TOS_NOT_SUPPORTED)
+ return -ENODEV;
+
+ return out[0] == TOS_SUCCESS ? 0 : -EIO;
+}
+
/* Transflective Backlight */
static int get_tr_backlight_status(struct toshiba_acpi_dev *dev, u32 *status)
{
.update_status = set_lcd_status,
};
+/* Keyboard backlight work */
+static void toshiba_acpi_kbd_bl_work(struct work_struct *work);
+
+static DECLARE_WORK(kbd_bl_work, toshiba_acpi_kbd_bl_work);
+
/*
* Sysfs files
*/
return ret;
toshiba->kbd_mode = mode;
+
+ /*
+ * Some laptop models with the second generation backlit
+ * keyboard (type 2) do not generate the keyboard backlight
+ * changed event (0x92), and thus, the driver will never update
+ * the sysfs entries.
+ *
+ * The event is generated right when changing the keyboard
+ * backlight mode and the *notify function will set the
+ * kbd_event_generated to true.
+ *
+ * In case the event is not generated, schedule the keyboard
+ * backlight work to update the sysfs entries and emulate the
+ * event via genetlink.
+ */
+ if (toshiba->kbd_type == 2 &&
+ !toshiba_acpi->kbd_event_generated)
+ schedule_work(&kbd_bl_work);
}
return count;
.attrs = toshiba_attributes,
};
+static void toshiba_acpi_kbd_bl_work(struct work_struct *work)
+{
+ struct acpi_device *acpi_dev = toshiba_acpi->acpi_dev;
+
+ /* Update the sysfs entries */
+ if (sysfs_update_group(&acpi_dev->dev.kobj,
+ &toshiba_attr_group))
+ pr_err("Unable to update sysfs entries\n");
+
+ /* Emulate the keyboard backlight event */
+ acpi_bus_generate_netlink_event(acpi_dev->pnp.device_class,
+ dev_name(&acpi_dev->dev),
+ 0x92, 0);
+}
+
/*
* Misc device
*/
.llseek = noop_llseek,
};
+/*
+ * WWAN RFKill handlers
+ */
+static int toshiba_acpi_wwan_set_block(void *data, bool blocked)
+{
+ struct toshiba_acpi_dev *dev = data;
+ int ret;
+
+ ret = toshiba_wireless_status(dev);
+ if (ret)
+ return ret;
+
+ if (!dev->killswitch)
+ return 0;
+
+ return toshiba_wwan_set(dev, !blocked);
+}
+
+static void toshiba_acpi_wwan_poll(struct rfkill *rfkill, void *data)
+{
+ struct toshiba_acpi_dev *dev = data;
+
+ if (toshiba_wireless_status(dev))
+ return;
+
+ rfkill_set_hw_state(dev->wwan_rfk, !dev->killswitch);
+}
+
+static const struct rfkill_ops wwan_rfk_ops = {
+ .set_block = toshiba_acpi_wwan_set_block,
+ .poll = toshiba_acpi_wwan_poll,
+};
+
+static int toshiba_acpi_setup_wwan_rfkill(struct toshiba_acpi_dev *dev)
+{
+ int ret = toshiba_wireless_status(dev);
+
+ if (ret)
+ return ret;
+
+ dev->wwan_rfk = rfkill_alloc("Toshiba WWAN",
+ &dev->acpi_dev->dev,
+ RFKILL_TYPE_WWAN,
+ &wwan_rfk_ops,
+ dev);
+ if (!dev->wwan_rfk) {
+ pr_err("Unable to allocate WWAN rfkill device\n");
+ return -ENOMEM;
+ }
+
+ rfkill_set_hw_state(dev->wwan_rfk, !dev->killswitch);
+
+ ret = rfkill_register(dev->wwan_rfk);
+ if (ret) {
+ pr_err("Unable to register WWAN rfkill device\n");
+ rfkill_destroy(dev->wwan_rfk);
+ }
+
+ return ret;
+}
+
/*
* Hotkeys
*/
brightness = __get_lcd_brightness(dev);
if (brightness < 0)
return 0;
+ /*
+ * If transflective backlight is supported and the brightness is zero
+ * (lowest brightness level), the set_lcd_brightness function will
+ * activate the transflective backlight, making the LCD appear to be
+ * turned off, simply increment the brightness level to avoid that.
+ */
+ if (dev->tr_backlight_supported && brightness == 0)
+ brightness++;
ret = set_lcd_brightness(dev, brightness);
if (ret) {
pr_debug("Backlight method is read-only, disabling backlight support\n");
pr_cont(" panel-power-on");
if (dev->usb_three_supported)
pr_cont(" usb3");
+ if (dev->wwan_supported)
+ pr_cont(" wwan");
pr_cont("\n");
}
if (dev->eco_led_registered)
led_classdev_unregister(&dev->eco_led);
+ if (dev->wwan_rfk) {
+ rfkill_unregister(dev->wwan_rfk);
+ rfkill_destroy(dev->wwan_rfk);
+ }
+
if (toshiba_acpi)
toshiba_acpi = NULL;
ret = get_fan_status(dev, &dummy);
dev->fan_supported = !ret;
+ toshiba_wwan_available(dev);
+ if (dev->wwan_supported)
+ toshiba_acpi_setup_wwan_rfkill(dev);
+
print_supported_features(dev);
ret = sysfs_create_group(&dev->acpi_dev->dev.kobj,
static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event)
{
struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev);
- int ret;
switch (event) {
case 0x80: /* Hotkeys and some system events */
pr_info("SATA power event received %x\n", event);
break;
case 0x92: /* Keyboard backlight mode changed */
+ toshiba_acpi->kbd_event_generated = true;
/* Update sysfs entries */
- ret = sysfs_update_group(&acpi_dev->dev.kobj,
- &toshiba_attr_group);
- if (ret)
+ if (sysfs_update_group(&acpi_dev->dev.kobj,
+ &toshiba_attr_group))
pr_err("Unable to update sysfs entries\n");
break;
case 0x85: /* Unknown */
acpi_bus_generate_netlink_event(acpi_dev->pnp.device_class,
dev_name(&acpi_dev->dev),
- event, 0);
+ event, (event == 0x80) ?
+ dev->last_key_event : 0);
}
#ifdef CONFIG_PM_SLEEP
struct toshiba_acpi_dev *dev = acpi_driver_data(to_acpi_device(device));
if (dev->hotkey_dev) {
- int error = toshiba_acpi_enable_hotkeys(dev);
-
- if (error)
+ if (toshiba_acpi_enable_hotkeys(dev))
pr_info("Unable to re-enable hotkeys\n");
}
+ if (dev->wwan_rfk) {
+ if (!toshiba_wireless_status(dev))
+ rfkill_set_hw_state(dev->wwan_rfk, !dev->killswitch);
+ }
+
return 0;
}
#endif
*/
result = acpi_evaluate_integer(handle, "_STA", NULL, &bt_present);
if (ACPI_FAILURE(result)) {
- pr_err("ACPI call to query Bluetooth presence failed");
+ pr_err("ACPI call to query Bluetooth presence failed\n");
return -ENXIO;
} else if (!bt_present) {
pr_info("Bluetooth device not present\n");
projects / cascardo / linux.git / commitdiff