Commit 71f79a3f authored by Erik Kaneda's avatar Erik Kaneda Committed by Rafael J. Wysocki
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ACPICA: ACPI 6.4: PCCT: add support for subtable type 5 

ACPICA commit 208d7e27ebc473feb4182cc8e58f3789c4efaca6

Link: https://github.com/acpica/acpica/commit/208d7e27


Signed-off-by: default avatarErik Kaneda <erik.kaneda@intel.com>
Signed-off-by: default avatarBob Moore <robert.moore@intel.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 9557cb8c

include/acpi/actbl2.h

+20 −1
Original line number Diff line number Diff line
@@ -1209,7 +1209,8 @@ enum acpi_pcct_type { 
	ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2 = 2,	/* ACPI 6.1 */

	ACPI_PCCT_TYPE_EXT_PCC_MASTER_SUBSPACE = 3,	/* ACPI 6.2 */

	ACPI_PCCT_TYPE_EXT_PCC_SLAVE_SUBSPACE = 4,	/* ACPI 6.2 */

	ACPI_PCCT_TYPE_RESERVED = 5	/* 5 and greater are reserved */

	ACPI_PCCT_TYPE_HW_REG_COMM_SUBSPACE = 5,	/* ACPI 6.4 */

	ACPI_PCCT_TYPE_RESERVED = 6	/* 6 and greater are reserved */

};



/*
@@ -1324,6 +1325,24 @@ struct acpi_pcct_ext_pcc_slave { 
	u64 error_status_mask;

};



/* 5: HW Registers based Communications Subspace */



struct acpi_pcct_hw_reg {

	struct acpi_subtable_header header;

	u16 version;

	u64 base_address;

	u64 length;

	struct acpi_generic_address doorbell_register;

	u64 doorbell_preserve;

	u64 doorbell_write;

	struct acpi_generic_address cmd_complete_register;

	u64 cmd_complete_mask;

	struct acpi_generic_address error_status_register;

	u64 error_status_mask;

	u32 nominal_latency;

	u32 min_turnaround_time;

};



/* Values for doorbell flags above */



#define ACPI_PCCT_INTERRUPT_POLARITY    (1)