xref: /linux/drivers/gpu/drm/xe/xe_pcode_api.h (revision c17ee635fd3a482b2ad2bf5e269755c2eae5f25e)

/* SPDX-License-Identifier: MIT */
/*
 * Copyright © 2022 Intel Corporation
 */

/* Internal to xe_pcode */

#include "regs/xe_reg_defs.h"

#define PCODE_MAILBOX			XE_REG(0x138124)
#define   PCODE_READY			REG_BIT(31)
#define   PCODE_MB_PARAM2		REG_GENMASK(23, 16)
#define   PCODE_MB_PARAM1		REG_GENMASK(15, 8)
#define   PCODE_MB_COMMAND		REG_GENMASK(7, 0)
#define   PCODE_ERROR_MASK		0xFF
#define     PCODE_SUCCESS		0x0
#define     PCODE_ILLEGAL_CMD		0x1
#define     PCODE_TIMEOUT		0x2
#define     PCODE_ILLEGAL_DATA		0x3
#define     PCODE_ILLEGAL_SUBCOMMAND	0x4
#define     PCODE_LOCKED		0x6
#define     PCODE_GT_RATIO_OUT_OF_RANGE	0x10
#define     PCODE_REJECTED		0x11

#define PCODE_DATA0			XE_REG(0x138128)
#define PCODE_DATA1			XE_REG(0x13812C)

/* Min Freq QOS Table */
#define   PCODE_WRITE_MIN_FREQ_TABLE	0x8
#define   PCODE_READ_MIN_FREQ_TABLE	0x9
#define   PCODE_FREQ_RING_RATIO_SHIFT	16

/* PCODE Init */
#define   DGFX_PCODE_STATUS		0x7E
#define     DGFX_GET_INIT_STATUS	0x0
#define     DGFX_INIT_STATUS_COMPLETE	0x1
#define     DGFX_LINK_DOWNGRADE_STATUS	REG_BIT(31)

#define   PCODE_POWER_SETUP			0x7C
#define     POWER_SETUP_SUBCOMMAND_READ_I1	0x4
#define     POWER_SETUP_SUBCOMMAND_WRITE_I1	0x5
#define	    POWER_SETUP_I1_WATTS		REG_BIT(31)
#define	    POWER_SETUP_I1_SHIFT		6	/* 10.6 fixed point format */
#define	    POWER_SETUP_I1_DATA_MASK		REG_GENMASK(15, 0)

#define	READ_PSYSGPU_POWER_LIMIT		0x6
#define	WRITE_PSYSGPU_POWER_LIMIT		0x7
#define	READ_PACKAGE_POWER_LIMIT		0x8
#define	WRITE_PACKAGE_POWER_LIMIT		0x9
#define	READ_PL_FROM_FW				0x1
#define	READ_PL_FROM_PCODE			0x0

#define   PCODE_THERMAL_INFO			0x25
#define     READ_THERMAL_LIMITS			0x0
#define     READ_THERMAL_CONFIG			0x1
#define     READ_THERMAL_DATA			0x2
#define       PCIE_SENSOR_GROUP_ID		0x2
#define       PCIE_SENSOR_MASK			REG_GENMASK(31, 16)

#define   PCODE_LATE_BINDING			0x5C
#define     GET_CAPABILITY_STATUS		0x0
#define       V1_FAN_SUPPORTED			REG_BIT(0)
#define       VR_PARAMS_SUPPORTED		REG_BIT(3)
#define       V1_FAN_PROVISIONED		REG_BIT(16)
#define       VR_PARAMS_PROVISIONED		REG_BIT(19)
#define     GET_VERSION_LOW			0x1
#define     GET_VERSION_HIGH			0x2
#define       MAJOR_VERSION_MASK		REG_GENMASK(31, 16)
#define       MINOR_VERSION_MASK		REG_GENMASK(15, 0)
#define       HOTFIX_VERSION_MASK		REG_GENMASK(31, 16)
#define       BUILD_VERSION_MASK		REG_GENMASK(15, 0)
#define       FAN_TABLE				1
#define       VR_CONFIG				2

#define   PCODE_FREQUENCY_CONFIG		0x6e
/* Frequency Config Sub Commands (param1) */
#define     PCODE_MBOX_FC_SC_READ_FUSED_P0	0x0
#define     PCODE_MBOX_FC_SC_READ_FUSED_PN	0x1
/* Domain IDs (param2) */
#define     PCODE_MBOX_DOMAIN_HBM		0x2

#define   FAN_SPEED_CONTROL			0x7D
#define     FSC_READ_NUM_FANS			0x4

#define PCODE_SCRATCH(x)		XE_REG(0x138320 + ((x) * 4))
/* PCODE_SCRATCH0 */
#define   BREADCRUMB_VERSION		REG_GENMASK(31, 29)
#define   AUXINFO_REG_OFFSET		REG_GENMASK(17, 15)
#define   OVERFLOW_REG_OFFSET		REG_GENMASK(14, 12)
#define   HISTORY_TRACKING		REG_BIT(11)
#define   OVERFLOW_SUPPORT		REG_BIT(10)
#define   AUXINFO_SUPPORT		REG_BIT(9)
#define   FDO_MODE			REG_BIT(4)
#define   BOOT_STATUS			REG_GENMASK(3, 1)
#define      CRITICAL_FAILURE		4
#define      NON_CRITICAL_FAILURE	7

/* Auxiliary info bits */
#define   AUXINFO_HISTORY_OFFSET	REG_GENMASK(31, 29)

#define BMG_PCIE_CAP			XE_REG(0x138340)
#define   LINK_DOWNGRADE		REG_GENMASK(1, 0)
#define     DOWNGRADE_CAPABLE		2