dptf.c File Reference

#include <acpi/acpigen.h>
#include <acpi/acpigen_pci.h>
#include <console/console.h>
#include <device/device.h>
#include <intelblocks/pmc_ipc.h>
#include <soc/pci_devs.h>
#include "chip.h"
#include "dptf.h"

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Macros
#define	DEFAULT_CHARGER_STR   "Battery Charger"
#define	DEFAULT_TPCH_STR   "Intel PCH FIVR Participant"
#define	DEFAULT_POWER_STR   "Power Participant"
#define	DEFAULT_BATTERY_STR   "Battery Participant"
#define	PMC_IPC_COMMAND_FIVR_SIZE   0x8

Enumerations
enum	dptf_generic_participant_type {   DPTF_GENERIC_PARTICIPANT_TYPE_TSR = 0x3 , DPTF_GENERIC_PARTICIPANT_TYPE_TPCH = 0x5 , DPTF_GENERIC_PARTICIPANT_TYPE_CHARGER = 0xB , DPTF_GENERIC_PARTICIPANT_TYPE_BATTERY = 0xC ,   DPTF_GENERIC_PARTICIPANT_TYPE_POWER = 0x11 }

Functions
static bool	is_participant_used (const struct drivers_intel_dptf_config *config, enum dptf_participant participant)
static const char *	dptf_acpi_name (const struct device *dev)
static int	get_STA_value (const struct drivers_intel_dptf_config *config, enum dptf_participant participant)
static void	dptf_write_hid (bool is_eisa, const char *hid)
static void	dptf_write_generic_participant (const char *name, enum dptf_generic_participant_type ptype, const char *str, int sta_val, const struct dptf_platform_info *platform_info)
static void	write_tcpu (const struct device *pci_dev, const struct drivers_intel_dptf_config *config)
static void	write_fan (const struct drivers_intel_dptf_config *config, const struct dptf_platform_info *platform_info)
static void	write_imok (void)
static void	write_oem_variables (const struct drivers_intel_dptf_config *config)
static void	write_generic_devices (const struct drivers_intel_dptf_config *config, const struct dptf_platform_info *platform_info)
static const char *	get_pmc_ipcs_method (void)
static void	write_tpch_write_method (const char *tpch_write_method_name, unsigned int ipc_subcmd_ctrl_value)
static void	write_ppkg_package (const uint8_t i)
static void	write_pkgc_method (void)
static void	write_tpch_read_method (const char *tpch_read_method_name, unsigned int ipc_subcmd_ctrl_value)
static void	write_create_tpch (const struct dptf_platform_info *platform_info)
static void	write_tpch_methods (const struct dptf_platform_info *platform_info)
static void	write_create_tpwr (const struct drivers_intel_dptf_config *config, const struct dptf_platform_info *platform_info)
static void	write_tpwr_methods (const struct drivers_intel_dptf_config *config, const struct dptf_platform_info *platform_info)
static void	write_create_tbat (const struct dptf_platform_info *platform_info)
static void	write_tbat_methods (const struct dptf_platform_info *platform_info)
static void	write_open_dptf_device (const struct device *dev, const struct dptf_platform_info *platform_info)
static void	write_device_definitions (const struct device *dev)
static void	write_policies (const struct drivers_intel_dptf_config *config)
static void	write_controls (const struct drivers_intel_dptf_config *config)
static void	write_options (const struct drivers_intel_dptf_config *config)
static void	dptf_fill_ssdt (const struct device *dev)
static void	dptf_enable_dev (struct device *dev)

Variables
static struct device_operations	dptf_ops
struct chip_operations	drivers_intel_dptf_ops

Macro Definition Documentation

DEFAULT_BATTERY_STR

#define DEFAULT_BATTERY_STR   "Battery Participant"

Definition at line 24 of file dptf.c.

DEFAULT_CHARGER_STR

#define DEFAULT_CHARGER_STR   "Battery Charger"

Definition at line 21 of file dptf.c.

DEFAULT_POWER_STR

#define DEFAULT_POWER_STR   "Power Participant"

Definition at line 23 of file dptf.c.

DEFAULT_TPCH_STR

#define DEFAULT_TPCH_STR   "Intel PCH FIVR Participant"

Definition at line 22 of file dptf.c.

PMC_IPC_COMMAND_FIVR_SIZE

#define PMC_IPC_COMMAND_FIVR_SIZE   0x8

Definition at line 26 of file dptf.c.

Enumeration Type Documentation

dptf_generic_participant_type

enum dptf_generic_participant_type

Enumerator
DPTF_GENERIC_PARTICIPANT_TYPE_TSR
DPTF_GENERIC_PARTICIPANT_TYPE_TPCH
DPTF_GENERIC_PARTICIPANT_TYPE_CHARGER
DPTF_GENERIC_PARTICIPANT_TYPE_BATTERY
DPTF_GENERIC_PARTICIPANT_TYPE_POWER

Definition at line 13 of file dptf.c.

Function Documentation

dptf_acpi_name()

static const char* dptf_acpi_name ( const struct device *  dev )

static

Definition at line 60 of file dptf.c.

dptf_enable_dev()

static void dptf_enable_dev ( struct device *  dev )

static

Definition at line 541 of file dptf.c.

References dptf_ops, and device::ops.

dptf_fill_ssdt()

static void dptf_fill_ssdt ( const struct device *  dev )

static

Definition at line 522 of file dptf.c.

References BIOS_INFO, device::chip_ops, config, config_of(), dev_path(), DPTF_DEVICE_PATH, chip_operations::name, printk, write_controls(), write_device_definitions(), write_options(), and write_policies().

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dptf_write_generic_participant()

static void dptf_write_generic_participant ( const char *  name, enum dptf_generic_participant_type  ptype, const char *  str, int  sta_val, const struct dptf_platform_info *  platform_info  )

static

Definition at line 82 of file dptf.c.

References acpigen_pop_len(), acpigen_write_device(), acpigen_write_name(), acpigen_write_name_integer(), acpigen_write_name_string(), acpigen_write_STA(), dptf_write_hid(), dptf_platform_info::generic_hid, name, and dptf_platform_info::use_eisa_hids.

Referenced by write_generic_devices().

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dptf_write_hid()

static void dptf_write_hid ( bool  is_eisa, const char *  hid  )

static

Definition at line 73 of file dptf.c.

References acpigen_emit_eisaid(), and acpigen_write_string().

Referenced by dptf_write_generic_participant(), write_create_tbat(), write_create_tpch(), write_create_tpwr(), write_fan(), and write_open_dptf_device().

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get_pmc_ipcs_method()

static const char* get_pmc_ipcs_method ( void  )

static

Definition at line 207 of file dptf.c.

References acpi_device_path_join(), BIOS_ERR, NULL, PCH_DEVFN_PMC, pcidev_path_on_root(), and printk.

Referenced by write_tpch_read_method(), and write_tpch_write_method().

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get_STA_value()

static int get_STA_value ( const struct drivers_intel_dptf_config *  config, enum dptf_participant  participant  )

static

Definition at line 65 of file dptf.c.

References ACPI_STATUS_DEVICE_ALL_OFF, ACPI_STATUS_DEVICE_ALL_ON, config, and is_participant_used().

Referenced by write_fan(), write_generic_devices(), and write_tcpu().

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is_participant_used()

static bool is_participant_used ( const struct drivers_intel_dptf_config *  config, enum dptf_participant  participant  )

static

Definition at line 32 of file dptf.c.

References config, DPTF_FAN, DPTF_MAX_ACTIVE_POLICIES, DPTF_MAX_CRITICAL_POLICIES, DPTF_MAX_PASSIVE_POLICIES, and DPTF_NONE.

Referenced by get_STA_value(), and write_options().

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write_controls()

static void write_controls ( const struct drivers_intel_dptf_config *  config )

static

Definition at line 489 of file dptf.c.

References config, DPTF_MAX_CHARGER_PERF_STATES, DPTF_MAX_FAN_PERF_STATES, dptf_write_charger_perf(), dptf_write_fan_perf(), and dptf_write_power_limits().

Referenced by dptf_fill_ssdt().

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write_create_tbat()

static void write_create_tbat ( const struct dptf_platform_info *  platform_info )

static

Definition at line 403 of file dptf.c.

References ACPI_STATUS_DEVICE_ALL_ON, acpigen_write_device(), acpigen_write_device_end(), acpigen_write_name(), acpigen_write_name_integer(), acpigen_write_name_string(), acpigen_write_STA(), DEFAULT_BATTERY_STR, DPTF_GENERIC_PARTICIPANT_TYPE_BATTERY, dptf_write_hid(), NULL, dptf_platform_info::tbat_device_hid, and dptf_platform_info::use_eisa_hids.

Referenced by write_tbat_methods().

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write_create_tpch()

static void write_create_tpch ( const struct dptf_platform_info *  platform_info )

static

Definition at line 305 of file dptf.c.

References ACPI_STATUS_DEVICE_ALL_ON, acpigen_write_device(), acpigen_write_name(), acpigen_write_name_integer(), acpigen_write_name_string(), acpigen_write_STA(), DEFAULT_TPCH_STR, DPTF_GENERIC_PARTICIPANT_TYPE_TPCH, dptf_write_hid(), dptf_platform_info::tpch_device_hid, and dptf_platform_info::use_eisa_hids.

Referenced by write_tpch_methods().

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write_create_tpwr()

static void write_create_tpwr ( const struct drivers_intel_dptf_config *  config, const struct dptf_platform_info *  platform_info  )

static

Definition at line 375 of file dptf.c.

References ACPI_STATUS_DEVICE_ALL_ON, acpigen_emit_byte(), acpigen_pop_len(), acpigen_write_device(), acpigen_write_device_end(), acpigen_write_integer(), acpigen_write_method_serialized(), acpigen_write_name(), acpigen_write_name_integer(), acpigen_write_name_string(), acpigen_write_STA(), config, DEFAULT_POWER_STR, DPTF_GENERIC_PARTICIPANT_TYPE_POWER, dptf_write_hid(), NULL, RETURN_OP, dptf_platform_info::tpwr_device_hid, and dptf_platform_info::use_eisa_hids.

Referenced by write_tpwr_methods().

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write_device_definitions()

static void write_device_definitions ( const struct device *  dev )

static

Definition at line 436 of file dptf.c.

References acpigen_pop_len(), BIOS_ERR, device::bus, config, CONFIG, config_of(), bus::dev, DEVICE_PATH_PCI, get_dptf_platform_info(), NULL, device::path, printk, device_path::type, write_fan(), write_generic_devices(), write_imok(), write_oem_variables(), write_open_dptf_device(), write_tbat_methods(), write_tcpu(), write_tpch_methods(), and write_tpwr_methods().

Referenced by dptf_fill_ssdt().

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write_fan()

static void write_fan ( const struct drivers_intel_dptf_config *  config, const struct dptf_platform_info *  platform_info  )

static

Definition at line 119 of file dptf.c.

References acpigen_pop_len(), acpigen_write_device(), acpigen_write_name(), acpigen_write_name_integer(), acpigen_write_STA(), config, DPTF_FAN, dptf_write_hid(), dptf_platform_info::fan_hid, get_STA_value(), and dptf_platform_info::use_eisa_hids.

Referenced by write_device_definitions().

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write_generic_devices()

static void write_generic_devices ( const struct drivers_intel_dptf_config *  config, const struct dptf_platform_info *  platform_info  )

static

Definition at line 187 of file dptf.c.

References ACPI_NAME_BUFFER_SIZE, config, DEFAULT_CHARGER_STR, DPTF_CHARGER, DPTF_GENERIC_PARTICIPANT_TYPE_CHARGER, DPTF_GENERIC_PARTICIPANT_TYPE_TSR, DPTF_MAX_TSR, DPTF_TEMP_SENSOR_0, dptf_write_generic_participant(), get_STA_value(), name, NULL, and snprintf().

Referenced by write_device_definitions().

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write_imok()

static void write_imok ( void  )

static

Definition at line 131 of file dptf.c.

References acpigen_emit_byte(), acpigen_write_method(), acpigen_write_method_end(), ARG0_OP, and RETURN_OP.

Referenced by write_device_definitions().

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write_oem_variables()

static void write_oem_variables ( const struct drivers_intel_dptf_config *  config )

static

Definition at line 140 of file dptf.c.

References acpigen_emit_byte(), acpigen_emit_namestring(), acpigen_write_dword(), acpigen_write_method_end(), acpigen_write_method_serialized(), acpigen_write_name(), acpigen_write_package(), acpigen_write_package_end(), acpigen_write_store(), ARG0_OP, ARG1_OP, config, DEREF_OP, DPTF_OEM_VARIABLE_COUNT, INDEX_OP, RETURN_OP, and ZERO_OP.

Referenced by write_device_definitions().

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write_open_dptf_device()

static void write_open_dptf_device ( const struct device *  dev, const struct dptf_platform_info *  platform_info  )

static

Definition at line 424 of file dptf.c.

References acpi_device_name(), ACPI_STATUS_DEVICE_ALL_ON, acpigen_write_device(), acpigen_write_name(), acpigen_write_name_integer(), acpigen_write_scope(), acpigen_write_STA(), dptf_platform_info::dptf_device_hid, dptf_write_hid(), and dptf_platform_info::use_eisa_hids.

Referenced by write_device_definitions().

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write_options()

static void write_options ( const struct drivers_intel_dptf_config *  config )

static

Definition at line 497 of file dptf.c.

References acpigen_pop_len(), config, DPTF_FAN, DPTF_TEMP_SENSOR_0, DPTF_TEMP_SENSOR_4, dptf_write_fan_options(), dptf_write_scope(), dptf_write_STR(), dptf_write_tsr_hysteresis(), and is_participant_used().

Referenced by dptf_fill_ssdt().

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write_pkgc_method()

static void write_pkgc_method ( void  )

static

Definition at line 262 of file dptf.c.

References acpigen_write_method_end(), acpigen_write_method_serialized(), acpigen_write_name(), acpigen_write_package(), acpigen_write_package_end(), acpigen_write_return_namestr(), acpigen_write_zero(), and write_ppkg_package().

Referenced by write_tpch_methods().

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write_policies()

static void write_policies ( const struct drivers_intel_dptf_config *  config )

static

Definition at line 472 of file dptf.c.

References config, DPTF_MAX_ACTIVE_POLICIES, DPTF_MAX_CRITICAL_POLICIES, DPTF_MAX_PASSIVE_POLICIES, dptf_write_active_policies(), dptf_write_critical_policies(), dptf_write_enabled_policies(), and dptf_write_passive_policies().

Referenced by dptf_fill_ssdt().

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write_ppkg_package()

static void write_ppkg_package ( const uint8_t  i )

static

Definition at line 240 of file dptf.c.

References acpigen_emit_byte(), acpigen_emit_namestring(), acpigen_write_integer(), acpigen_write_store(), ARG0_OP, DEREF_OP, INDEX_OP, and ZERO_OP.

Referenced by write_pkgc_method().

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write_tbat_methods()

static void write_tbat_methods ( const struct dptf_platform_info *  platform_info )

static

Definition at line 417 of file dptf.c.

References write_create_tbat().

Referenced by write_device_definitions().

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write_tcpu()

static void write_tcpu ( const struct device *  pci_dev, const struct drivers_intel_dptf_config *  config  )

static

Definition at line 106 of file dptf.c.

References acpigen_pop_len(), acpigen_write_ADR_pci_device(), acpigen_write_device(), acpigen_write_scope(), acpigen_write_STA(), config, DPTF_CPU, get_STA_value(), pci_dev, and TCPU_SCOPE.

Referenced by write_device_definitions().

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write_tpch_methods()

static void write_tpch_methods ( const struct dptf_platform_info *  platform_info )

static

Definition at line 315 of file dptf.c.

References acpigen_write_device_end(), ARRAY_SIZE, dptf_platform_info::get_fivr_high_clock_method, dptf_platform_info::get_fivr_low_clock_method, dptf_platform_info::get_fivr_ssc_method, dptf_platform_info::get_fivr_switching_fault_status, dptf_platform_info::get_fivr_switching_freq_mhz, PMC_IPC_SUBCMD_EMI_CTRL0_LOGIC, PMC_IPC_SUBCMD_FFFC_FAULT_STATUS, PMC_IPC_SUBCMD_FFFC_RFI_STATUS, PMC_IPC_SUBCMD_RFI_CTRL0_LOGIC, PMC_IPC_SUBCMD_RFI_CTRL4_LOGIC, dptf_platform_info::set_fivr_high_clock_method, dptf_platform_info::set_fivr_low_clock_method, dptf_platform_info::tpch_method_names, type, write_create_tpch(), write_pkgc_method(), write_tpch_read_method(), and write_tpch_write_method().

Referenced by write_device_definitions().

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write_tpch_read_method()

static void write_tpch_read_method ( const char *  tpch_read_method_name, unsigned int  ipc_subcmd_ctrl_value  )

static

Definition at line 278 of file dptf.c.

References acpigen_emit_byte(), acpigen_emit_namestring(), acpigen_write_integer(), acpigen_write_method_end(), acpigen_write_method_serialized(), acpigen_write_store(), acpigen_write_zero(), get_pmc_ipcs_method(), LOCAL0_OP, LOCAL1_OP, PMC_IPC_CMD_CMD_ID_FIVR_READ, PMC_IPC_CMD_COMMAND_FIVR, PMC_IPC_COMMAND_FIVR_SIZE, and RETURN_OP.

Referenced by write_tpch_methods().

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write_tpch_write_method()

static void write_tpch_write_method ( const char *  tpch_write_method_name, unsigned int  ipc_subcmd_ctrl_value  )

static

Definition at line 218 of file dptf.c.

References acpigen_emit_byte(), acpigen_emit_namestring(), acpigen_write_integer(), acpigen_write_method_end(), acpigen_write_method_serialized(), acpigen_write_package(), acpigen_write_package_end(), acpigen_write_zero(), ARG0_OP, get_pmc_ipcs_method(), PMC_IPC_CMD_CMD_ID_FIVR_WRITE, PMC_IPC_CMD_COMMAND_FIVR, PMC_IPC_COMMAND_FIVR_SIZE, and RETURN_OP.

Referenced by write_tpch_methods().

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write_tpwr_methods()

static void write_tpwr_methods ( const struct drivers_intel_dptf_config *  config, const struct dptf_platform_info *  platform_info  )

static

Definition at line 397 of file dptf.c.

References config, and write_create_tpwr().

Referenced by write_device_definitions().

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Variable Documentation

dptf_ops

struct device_operations dptf_ops

static

Initial value:

= {
        .read_resources         = noop_read_resources,
        .set_resources          = noop_set_resources,
        .acpi_name              = dptf_acpi_name,
        .acpi_fill_ssdt         = dptf_fill_ssdt,
}

Definition at line 522 of file dptf.c.

Referenced by dptf_enable_dev().

drivers_intel_dptf_ops

struct chip_operations drivers_intel_dptf_ops

Initial value:

= {
 
        .enable_dev = dptf_enable_dev,
}

Definition at line 541 of file dptf.c.