| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #ifndef SOC_INTEL_COMMON_BLOCK_ACPI_H |
| #define SOC_INTEL_COMMON_BLOCK_ACPI_H |
| |
| #include <acpi/acpi.h> |
| #include <device/device.h> |
| #include <intelblocks/cpulib.h> |
| #include <soc/pm.h> |
| #include <stdint.h> |
| |
| /* CPU Types */ |
| enum core_type { |
| CPUID_RESERVED_1 = 0x10, |
| CPUID_CORE_TYPE_INTEL_ATOM = 0x20, |
| CPUID_RESERVED_2 = 0x30, |
| CPUID_CORE_TYPE_INTEL_CORE = 0x40, |
| CPUID_UNKNOWN = 0xff, |
| }; |
| |
| /* Gets the scaling factor for small and big core */ |
| void soc_get_scaling_factor(u16 *big_core_scal_factor, u16 *small_core_scal_factor); |
| |
| /* Generates ACPI code to define _CPC control method */ |
| void acpigen_write_CPPC_hybrid_method(int core_id); |
| |
| /* Forward declare the power state struct here */ |
| struct chipset_power_state; |
| |
| /* Forward declare the global nvs structure here */ |
| struct global_nvs; |
| |
| /* Return ACPI name for this device */ |
| const char *soc_acpi_name(const struct device *dev); |
| |
| /* Read the scis from soc specific register. Returns int scis value */ |
| uint32_t soc_read_sci_irq_select(void); |
| |
| /* Write the scis from soc specific register. */ |
| void soc_write_sci_irq_select(uint32_t scis); |
| |
| /* _CST MWAIT resource used by cstate_map. */ |
| #define MWAIT_RES(state, sub_state) \ |
| { \ |
| .addrl = (((state) << 4) | (sub_state)), \ |
| .space_id = ACPI_ADDRESS_SPACE_FIXED, \ |
| .bit_width = ACPI_FFIXEDHW_VENDOR_INTEL, \ |
| .bit_offset = ACPI_FFIXEDHW_CLASS_MWAIT, \ |
| .access_size = ACPI_FFIXEDHW_FLAG_HW_COORD, \ |
| } |
| |
| /* |
| * get_cstate_map returns a table of processor specific acpi_cstate_t entries |
| * and number of entries in the table |
| */ |
| const acpi_cstate_t *soc_get_cstate_map(size_t *num_entries); |
| |
| /* |
| * get_tstate_map returns a table of processor specific acpi_tstate_t entries |
| * and number of entries in the table |
| */ |
| acpi_tstate_t *soc_get_tss_table(int *entries); |
| |
| /* |
| * Chipset specific quirks for the wake enable bits. |
| */ |
| void acpi_fill_soc_wake(uint32_t *pm1_en, uint32_t *gpe0_en, |
| const struct chipset_power_state *ps); |
| |
| /* Chipset specific settings for filling up dmar table */ |
| unsigned long sa_write_acpi_tables(const struct device *dev, |
| unsigned long current, |
| struct acpi_rsdp *rsdp); |
| |
| /* Return the polarity flag for SCI IRQ */ |
| int soc_madt_sci_irq_polarity(int sci); |
| |
| /* Generate P-state tables */ |
| void generate_p_state_entries(int core, int cores_per_package); |
| |
| /* Generate T-state tables */ |
| void generate_t_state_entries(int core, int cores_per_package); |
| |
| /* |
| * soc specific power states generation. We need this to be defined by soc |
| * as the state generations varies in chipsets e.g. APL generates T and P |
| * states while SKL generates * P state only depending on a devicetree config |
| */ |
| void soc_power_states_generation(int core_id, int cores_per_package); |
| |
| /* |
| * Common function to calculate the power ratio for power state generation |
| */ |
| int common_calculate_power_ratio(int tdp, int p1_ratio, int ratio); |
| |
| struct madt_ioapic_info { |
| u8 id; |
| u32 addr; |
| u32 gsi_base; |
| }; |
| |
| /* |
| * Returns a table of MADT ioapic_info entries and the number of entries |
| * If the SOC doesn't implement this hook a default ioapic setting is used. |
| */ |
| const struct madt_ioapic_info *soc_get_ioapic_info(size_t *entries); |
| |
| struct soc_pmc_lpm { |
| unsigned int num_substates; |
| unsigned int num_req_regs; |
| unsigned int lpm_ipc_offset; |
| unsigned int req_reg_stride; |
| uint8_t lpm_enable_mask; |
| }; |
| |
| /* Generate an Intel Power Engine ACPI device */ |
| void generate_acpi_power_engine(void); |
| |
| /* Generate an Intel Power Engine ACPI device that supports exposing LPM |
| substate requirements */ |
| void generate_acpi_power_engine_with_lpm(const struct soc_pmc_lpm *lpm); |
| |
| /* Fill SSDT for SGX status, EPC base and length */ |
| void sgx_fill_ssdt(void); |
| |
| /* |
| * This function returns the CPU type (big or small) of the CPU that it is executing |
| * on. It is designed to be called after MP initialization. If the SoC selects |
| * SOC_INTEL_COMMON_BLOCK_ACPI_CPU_HYBRID, then this function must be implemented, |
| * and will be called from set_cpu_type(). |
| */ |
| enum core_type get_soc_cpu_type(void); |
| |
| /* Check if CPU supports Nominal frequency or not */ |
| bool soc_is_nominal_freq_supported(void); |
| #endif /* _SOC_INTEL_COMMON_BLOCK_ACPI_H_ */ |