drivers/misc/mei/hw-txe-regs.h - pub/scm/linux/kernel/git/lee/backlight - Git at Google

 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /*
  * Copyright (c) 2013-2014, Intel Corporation. All rights reserved.
  * Intel Management Engine Interface (Intel MEI) Linux driver
  */
 #ifndef _MEI_HW_TXE_REGS_H_
 #define _MEI_HW_TXE_REGS_H_

 #include "hw.h"

 #define SEC_ALIVENESS_TIMER_TIMEOUT        (5 * MSEC_PER_SEC)
 #define SEC_ALIVENESS_WAIT_TIMEOUT         (1 * MSEC_PER_SEC)
 #define SEC_RESET_WAIT_TIMEOUT             (1 * MSEC_PER_SEC)
 #define SEC_READY_WAIT_TIMEOUT             (5 * MSEC_PER_SEC)
 #define START_MESSAGE_RESPONSE_WAIT_TIMEOUT (5 * MSEC_PER_SEC)
 #define RESET_CANCEL_WAIT_TIMEOUT          (1 * MSEC_PER_SEC)

 enum {
 	SEC_BAR,
 	BRIDGE_BAR,

 	NUM_OF_MEM_BARS
 };

 /* SeC FW Status Register
  *
  * FW uses this register in order to report its status to host.
  * This register resides in PCI-E config space.
  */
 #define PCI_CFG_TXE_FW_STS0   0x40
 #  define PCI_CFG_TXE_FW_STS0_WRK_ST_MSK    0x0000000F
 #  define PCI_CFG_TXE_FW_STS0_OP_ST_MSK     0x000001C0
 #  define PCI_CFG_TXE_FW_STS0_FW_INIT_CMPLT 0x00000200
 #  define PCI_CFG_TXE_FW_STS0_ERR_CODE_MSK  0x0000F000
 #  define PCI_CFG_TXE_FW_STS0_OP_MODE_MSK   0x000F0000
 #  define PCI_CFG_TXE_FW_STS0_RST_CNT_MSK   0x00F00000
 #define PCI_CFG_TXE_FW_STS1   0x48

 #define IPC_BASE_ADDR	0x80400 /* SeC IPC Base Address */

 /* IPC Input Doorbell Register */
 #define SEC_IPC_INPUT_DOORBELL_REG       (0x0000 + IPC_BASE_ADDR)

 /* IPC Input Status Register
  * This register indicates whether or not processing of
  * the most recent command has been completed by the SEC
  * New commands and payloads should not be written by the Host
  * until this indicates that the previous command has been processed.
  */
 #define SEC_IPC_INPUT_STATUS_REG         (0x0008 + IPC_BASE_ADDR)
 #  define SEC_IPC_INPUT_STATUS_RDY    BIT(0)

 /* IPC Host Interrupt Status Register */
 #define SEC_IPC_HOST_INT_STATUS_REG      (0x0010 + IPC_BASE_ADDR)
 #define   SEC_IPC_HOST_INT_STATUS_OUT_DB             BIT(0)
 #define   SEC_IPC_HOST_INT_STATUS_IN_RDY             BIT(1)
 #define   SEC_IPC_HOST_INT_STATUS_HDCP_M0_RCVD       BIT(5)
 #define   SEC_IPC_HOST_INT_STATUS_ILL_MEM_ACCESS     BIT(17)
 #define   SEC_IPC_HOST_INT_STATUS_AES_HKEY_ERR       BIT(18)
 #define   SEC_IPC_HOST_INT_STATUS_DES_HKEY_ERR       BIT(19)
 #define   SEC_IPC_HOST_INT_STATUS_TMRMTB_OVERFLOW    BIT(21)

 /* Convenient mask for pending interrupts */
 #define   SEC_IPC_HOST_INT_STATUS_PENDING \
 		(SEC_IPC_HOST_INT_STATUS_OUT_DB| \
 		SEC_IPC_HOST_INT_STATUS_IN_RDY)

 /* IPC Host Interrupt Mask Register */
 #define SEC_IPC_HOST_INT_MASK_REG        (0x0014 + IPC_BASE_ADDR)

 #  define SEC_IPC_HOST_INT_MASK_OUT_DB	BIT(0) /* Output Doorbell Int Mask */
 #  define SEC_IPC_HOST_INT_MASK_IN_RDY	BIT(1) /* Input Ready Int Mask */

 /* IPC Input Payload RAM */
 #define SEC_IPC_INPUT_PAYLOAD_REG        (0x0100 + IPC_BASE_ADDR)
 /* IPC Shared Payload RAM */
 #define IPC_SHARED_PAYLOAD_REG           (0x0200 + IPC_BASE_ADDR)

 /* SeC Address Translation Table Entry 2 - Ctrl
  *
  * This register resides also in SeC's PCI-E Memory space.
  */
 #define SATT2_CTRL_REG                   0x1040
 #  define SATT2_CTRL_VALID_MSK            BIT(0)
 #  define SATT2_CTRL_BR_BASE_ADDR_REG_SHIFT 8
 #  define SATT2_CTRL_BRIDGE_HOST_EN_MSK   BIT(12)

 /* SATT Table Entry 2 SAP Base Address Register */
 #define SATT2_SAP_BA_REG                 0x1044
 /* SATT Table Entry 2 SAP Size Register. */
 #define SATT2_SAP_SIZE_REG               0x1048
  /* SATT Table Entry 2 SAP Bridge Address - LSB Register */
 #define SATT2_BRG_BA_LSB_REG             0x104C

 /* Host High-level Interrupt Status Register */
 #define HHISR_REG                        0x2020
 /* Host High-level Interrupt Enable Register
  *
  * Resides in PCI memory space. This is the top hierarchy for
  * interrupts from SeC to host, aggregating both interrupts that
  * arrive through HICR registers as well as interrupts
  * that arrive via IPC.
  */
 #define HHIER_REG                        0x2024
 #define   IPC_HHIER_SEC	BIT(0)
 #define   IPC_HHIER_BRIDGE	BIT(1)
 #define   IPC_HHIER_MSK	(IPC_HHIER_SEC | IPC_HHIER_BRIDGE)

 /* Host High-level Interrupt Mask Register.
  *
  * Resides in PCI memory space.
  * This is the top hierarchy for masking interrupts from SeC to host.
  */
 #define HHIMR_REG                        0x2028
 #define   IPC_HHIMR_SEC       BIT(0)
 #define   IPC_HHIMR_BRIDGE    BIT(1)

 /* Host High-level IRQ Status Register */
 #define HHIRQSR_REG                      0x202C

 /* Host Interrupt Cause Register 0 - SeC IPC Readiness
  *
  * This register is both an ICR to Host from PCI Memory Space
  * and it is also exposed in the SeC memory space.
  * This register is used by SeC's IPC driver in order
  * to synchronize with host about IPC interface state.
  */
 #define HICR_SEC_IPC_READINESS_REG       0x2040
 #define   HICR_SEC_IPC_READINESS_HOST_RDY  BIT(0)
 #define   HICR_SEC_IPC_READINESS_SEC_RDY   BIT(1)
 #define   HICR_SEC_IPC_READINESS_SYS_RDY     \
 	  (HICR_SEC_IPC_READINESS_HOST_RDY | \
 	   HICR_SEC_IPC_READINESS_SEC_RDY)
 #define   HICR_SEC_IPC_READINESS_RDY_CLR   BIT(2)

 /* Host Interrupt Cause Register 1 - Aliveness Response */
 /* This register is both an ICR to Host from PCI Memory Space
  * and it is also exposed in the SeC memory space.
  * The register may be used by SeC to ACK a host request for aliveness.
  */
 #define HICR_HOST_ALIVENESS_RESP_REG     0x2044
 #define   HICR_HOST_ALIVENESS_RESP_ACK    BIT(0)

 /* Host Interrupt Cause Register 2 - SeC IPC Output Doorbell */
 #define HICR_SEC_IPC_OUTPUT_DOORBELL_REG 0x2048

 /* Host Interrupt Status Register.
  *
  * Resides in PCI memory space.
  * This is the main register involved in generating interrupts
  * from SeC to host via HICRs.
  * The interrupt generation rules are as follows:
  * An interrupt will be generated whenever for any i,
  * there is a transition from a state where at least one of
  * the following conditions did not hold, to a state where
  * ALL the following conditions hold:
  * A) HISR.INT[i]_STS == 1.
  * B) HIER.INT[i]_EN == 1.
  */
 #define HISR_REG                         0x2060
 #define   HISR_INT_0_STS      BIT(0)
 #define   HISR_INT_1_STS      BIT(1)
 #define   HISR_INT_2_STS      BIT(2)
 #define   HISR_INT_3_STS      BIT(3)
 #define   HISR_INT_4_STS      BIT(4)
 #define   HISR_INT_5_STS      BIT(5)
 #define   HISR_INT_6_STS      BIT(6)
 #define   HISR_INT_7_STS      BIT(7)
 #define   HISR_INT_STS_MSK \
 	(HISR_INT_0_STS | HISR_INT_1_STS | HISR_INT_2_STS)

 /* Host Interrupt Enable Register. Resides in PCI memory space. */
 #define HIER_REG                         0x2064
 #define   HIER_INT_0_EN      BIT(0)
 #define   HIER_INT_1_EN      BIT(1)
 #define   HIER_INT_2_EN      BIT(2)
 #define   HIER_INT_3_EN      BIT(3)
 #define   HIER_INT_4_EN      BIT(4)
 #define   HIER_INT_5_EN      BIT(5)
 #define   HIER_INT_6_EN      BIT(6)
 #define   HIER_INT_7_EN      BIT(7)

 #define   HIER_INT_EN_MSK \
 	 (HIER_INT_0_EN | HIER_INT_1_EN | HIER_INT_2_EN)


 /* SEC Memory Space IPC output payload.
  *
  * This register is part of the output payload which SEC provides to host.
  */
 #define BRIDGE_IPC_OUTPUT_PAYLOAD_REG    0x20C0

 /* SeC Interrupt Cause Register - Host Aliveness Request
  * This register is both an ICR to SeC and it is also exposed
  * in the host-visible PCI memory space.
  * The register is used by host to request SeC aliveness.
  */
 #define SICR_HOST_ALIVENESS_REQ_REG      0x214C
 #define   SICR_HOST_ALIVENESS_REQ_REQUESTED    BIT(0)


 /* SeC Interrupt Cause Register - Host IPC Readiness
  *
  * This register is both an ICR to SeC and it is also exposed
  * in the host-visible PCI memory space.
  * This register is used by the host's SeC driver uses in order
  * to synchronize with SeC about IPC interface state.
  */
 #define SICR_HOST_IPC_READINESS_REQ_REG  0x2150


 #define SICR_HOST_IPC_READINESS_HOST_RDY  BIT(0)
 #define SICR_HOST_IPC_READINESS_SEC_RDY   BIT(1)
 #define SICR_HOST_IPC_READINESS_SYS_RDY     \
 	(SICR_HOST_IPC_READINESS_HOST_RDY | \
 	 SICR_HOST_IPC_READINESS_SEC_RDY)
 #define SICR_HOST_IPC_READINESS_RDY_CLR   BIT(2)

 /* SeC Interrupt Cause Register - SeC IPC Output Status
  *
  * This register indicates whether or not processing of the most recent
  * command has been completed by the Host.
  * New commands and payloads should not be written by SeC until this
  * register indicates that the previous command has been processed.
  */
 #define SICR_SEC_IPC_OUTPUT_STATUS_REG   0x2154
 #  define SEC_IPC_OUTPUT_STATUS_RDY BIT(0)


 /*  MEI IPC Message payload size 64 bytes */
 #define PAYLOAD_SIZE        64

 /* MAX size for SATT range 32MB */
 #define SATT_RANGE_MAX     (32 << 20)


 #endif /* _MEI_HW_TXE_REGS_H_ */
	/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
	/*
	* Copyright (c) 2013-2014, Intel Corporation. All rights reserved.
	* Intel Management Engine Interface (Intel MEI) Linux driver
	*/
	#ifndef _MEI_HW_TXE_REGS_H_
	#define _MEI_HW_TXE_REGS_H_

	#include "hw.h"

	#define SEC_ALIVENESS_TIMER_TIMEOUT (5 * MSEC_PER_SEC)
	#define SEC_ALIVENESS_WAIT_TIMEOUT (1 * MSEC_PER_SEC)
	#define SEC_RESET_WAIT_TIMEOUT (1 * MSEC_PER_SEC)
	#define SEC_READY_WAIT_TIMEOUT (5 * MSEC_PER_SEC)
	#define START_MESSAGE_RESPONSE_WAIT_TIMEOUT (5 * MSEC_PER_SEC)
	#define RESET_CANCEL_WAIT_TIMEOUT (1 * MSEC_PER_SEC)

	enum {
	SEC_BAR,
	BRIDGE_BAR,

	NUM_OF_MEM_BARS
	};

	/* SeC FW Status Register
	*
	* FW uses this register in order to report its status to host.
	* This register resides in PCI-E config space.
	*/
	#define PCI_CFG_TXE_FW_STS0 0x40
	# define PCI_CFG_TXE_FW_STS0_WRK_ST_MSK 0x0000000F
	# define PCI_CFG_TXE_FW_STS0_OP_ST_MSK 0x000001C0
	# define PCI_CFG_TXE_FW_STS0_FW_INIT_CMPLT 0x00000200
	# define PCI_CFG_TXE_FW_STS0_ERR_CODE_MSK 0x0000F000
	# define PCI_CFG_TXE_FW_STS0_OP_MODE_MSK 0x000F0000
	# define PCI_CFG_TXE_FW_STS0_RST_CNT_MSK 0x00F00000
	#define PCI_CFG_TXE_FW_STS1 0x48

	#define IPC_BASE_ADDR 0x80400 /* SeC IPC Base Address */

	/* IPC Input Doorbell Register */
	#define SEC_IPC_INPUT_DOORBELL_REG (0x0000 + IPC_BASE_ADDR)

	/* IPC Input Status Register
	* This register indicates whether or not processing of
	* the most recent command has been completed by the SEC
	* New commands and payloads should not be written by the Host
	* until this indicates that the previous command has been processed.
	*/
	#define SEC_IPC_INPUT_STATUS_REG (0x0008 + IPC_BASE_ADDR)
	# define SEC_IPC_INPUT_STATUS_RDY BIT(0)

	/* IPC Host Interrupt Status Register */
	#define SEC_IPC_HOST_INT_STATUS_REG (0x0010 + IPC_BASE_ADDR)
	#define SEC_IPC_HOST_INT_STATUS_OUT_DB BIT(0)
	#define SEC_IPC_HOST_INT_STATUS_IN_RDY BIT(1)
	#define SEC_IPC_HOST_INT_STATUS_HDCP_M0_RCVD BIT(5)
	#define SEC_IPC_HOST_INT_STATUS_ILL_MEM_ACCESS BIT(17)
	#define SEC_IPC_HOST_INT_STATUS_AES_HKEY_ERR BIT(18)
	#define SEC_IPC_HOST_INT_STATUS_DES_HKEY_ERR BIT(19)
	#define SEC_IPC_HOST_INT_STATUS_TMRMTB_OVERFLOW BIT(21)

	/* Convenient mask for pending interrupts */
	#define SEC_IPC_HOST_INT_STATUS_PENDING \
	(SEC_IPC_HOST_INT_STATUS_OUT_DB\| \
	SEC_IPC_HOST_INT_STATUS_IN_RDY)

	/* IPC Host Interrupt Mask Register */
	#define SEC_IPC_HOST_INT_MASK_REG (0x0014 + IPC_BASE_ADDR)

	# define SEC_IPC_HOST_INT_MASK_OUT_DB BIT(0) /* Output Doorbell Int Mask */
	# define SEC_IPC_HOST_INT_MASK_IN_RDY BIT(1) /* Input Ready Int Mask */

	/* IPC Input Payload RAM */
	#define SEC_IPC_INPUT_PAYLOAD_REG (0x0100 + IPC_BASE_ADDR)
	/* IPC Shared Payload RAM */
	#define IPC_SHARED_PAYLOAD_REG (0x0200 + IPC_BASE_ADDR)

	/* SeC Address Translation Table Entry 2 - Ctrl
	*
	* This register resides also in SeC's PCI-E Memory space.
	*/
	#define SATT2_CTRL_REG 0x1040
	# define SATT2_CTRL_VALID_MSK BIT(0)
	# define SATT2_CTRL_BR_BASE_ADDR_REG_SHIFT 8
	# define SATT2_CTRL_BRIDGE_HOST_EN_MSK BIT(12)

	/* SATT Table Entry 2 SAP Base Address Register */
	#define SATT2_SAP_BA_REG 0x1044
	/* SATT Table Entry 2 SAP Size Register. */
	#define SATT2_SAP_SIZE_REG 0x1048
	/* SATT Table Entry 2 SAP Bridge Address - LSB Register */
	#define SATT2_BRG_BA_LSB_REG 0x104C

	/* Host High-level Interrupt Status Register */
	#define HHISR_REG 0x2020
	/* Host High-level Interrupt Enable Register
	*
	* Resides in PCI memory space. This is the top hierarchy for
	* interrupts from SeC to host, aggregating both interrupts that
	* arrive through HICR registers as well as interrupts
	* that arrive via IPC.
	*/
	#define HHIER_REG 0x2024
	#define IPC_HHIER_SEC BIT(0)
	#define IPC_HHIER_BRIDGE BIT(1)
	#define IPC_HHIER_MSK (IPC_HHIER_SEC \| IPC_HHIER_BRIDGE)

	/* Host High-level Interrupt Mask Register.
	*
	* Resides in PCI memory space.
	* This is the top hierarchy for masking interrupts from SeC to host.
	*/
	#define HHIMR_REG 0x2028
	#define IPC_HHIMR_SEC BIT(0)
	#define IPC_HHIMR_BRIDGE BIT(1)

	/* Host High-level IRQ Status Register */
	#define HHIRQSR_REG 0x202C

	/* Host Interrupt Cause Register 0 - SeC IPC Readiness
	*
	* This register is both an ICR to Host from PCI Memory Space
	* and it is also exposed in the SeC memory space.
	* This register is used by SeC's IPC driver in order
	* to synchronize with host about IPC interface state.
	*/
	#define HICR_SEC_IPC_READINESS_REG 0x2040
	#define HICR_SEC_IPC_READINESS_HOST_RDY BIT(0)
	#define HICR_SEC_IPC_READINESS_SEC_RDY BIT(1)
	#define HICR_SEC_IPC_READINESS_SYS_RDY \
	(HICR_SEC_IPC_READINESS_HOST_RDY \| \
	HICR_SEC_IPC_READINESS_SEC_RDY)
	#define HICR_SEC_IPC_READINESS_RDY_CLR BIT(2)

	/* Host Interrupt Cause Register 1 - Aliveness Response */
	/* This register is both an ICR to Host from PCI Memory Space
	* and it is also exposed in the SeC memory space.
	* The register may be used by SeC to ACK a host request for aliveness.
	*/
	#define HICR_HOST_ALIVENESS_RESP_REG 0x2044
	#define HICR_HOST_ALIVENESS_RESP_ACK BIT(0)

	/* Host Interrupt Cause Register 2 - SeC IPC Output Doorbell */
	#define HICR_SEC_IPC_OUTPUT_DOORBELL_REG 0x2048

	/* Host Interrupt Status Register.
	*
	* Resides in PCI memory space.
	* This is the main register involved in generating interrupts
	* from SeC to host via HICRs.
	* The interrupt generation rules are as follows:
	* An interrupt will be generated whenever for any i,
	* there is a transition from a state where at least one of
	* the following conditions did not hold, to a state where
	* ALL the following conditions hold:
	* A) HISR.INT[i]_STS == 1.
	* B) HIER.INT[i]_EN == 1.
	*/
	#define HISR_REG 0x2060
	#define HISR_INT_0_STS BIT(0)
	#define HISR_INT_1_STS BIT(1)
	#define HISR_INT_2_STS BIT(2)
	#define HISR_INT_3_STS BIT(3)
	#define HISR_INT_4_STS BIT(4)
	#define HISR_INT_5_STS BIT(5)
	#define HISR_INT_6_STS BIT(6)
	#define HISR_INT_7_STS BIT(7)
	#define HISR_INT_STS_MSK \
	(HISR_INT_0_STS \| HISR_INT_1_STS \| HISR_INT_2_STS)

	/* Host Interrupt Enable Register. Resides in PCI memory space. */
	#define HIER_REG 0x2064
	#define HIER_INT_0_EN BIT(0)
	#define HIER_INT_1_EN BIT(1)
	#define HIER_INT_2_EN BIT(2)
	#define HIER_INT_3_EN BIT(3)
	#define HIER_INT_4_EN BIT(4)
	#define HIER_INT_5_EN BIT(5)
	#define HIER_INT_6_EN BIT(6)
	#define HIER_INT_7_EN BIT(7)

	#define HIER_INT_EN_MSK \
	(HIER_INT_0_EN \| HIER_INT_1_EN \| HIER_INT_2_EN)


	/* SEC Memory Space IPC output payload.
	*
	* This register is part of the output payload which SEC provides to host.
	*/
	#define BRIDGE_IPC_OUTPUT_PAYLOAD_REG 0x20C0

	/* SeC Interrupt Cause Register - Host Aliveness Request
	* This register is both an ICR to SeC and it is also exposed
	* in the host-visible PCI memory space.
	* The register is used by host to request SeC aliveness.
	*/
	#define SICR_HOST_ALIVENESS_REQ_REG 0x214C
	#define SICR_HOST_ALIVENESS_REQ_REQUESTED BIT(0)


	/* SeC Interrupt Cause Register - Host IPC Readiness
	*
	* This register is both an ICR to SeC and it is also exposed
	* in the host-visible PCI memory space.
	* This register is used by the host's SeC driver uses in order
	* to synchronize with SeC about IPC interface state.
	*/
	#define SICR_HOST_IPC_READINESS_REQ_REG 0x2150


	#define SICR_HOST_IPC_READINESS_HOST_RDY BIT(0)
	#define SICR_HOST_IPC_READINESS_SEC_RDY BIT(1)
	#define SICR_HOST_IPC_READINESS_SYS_RDY \
	(SICR_HOST_IPC_READINESS_HOST_RDY \| \
	SICR_HOST_IPC_READINESS_SEC_RDY)
	#define SICR_HOST_IPC_READINESS_RDY_CLR BIT(2)

	/* SeC Interrupt Cause Register - SeC IPC Output Status
	*
	* This register indicates whether or not processing of the most recent
	* command has been completed by the Host.
	* New commands and payloads should not be written by SeC until this
	* register indicates that the previous command has been processed.
	*/
	#define SICR_SEC_IPC_OUTPUT_STATUS_REG 0x2154
	# define SEC_IPC_OUTPUT_STATUS_RDY BIT(0)



	/* MEI IPC Message payload size 64 bytes */
	#define PAYLOAD_SIZE 64

	/* MAX size for SATT range 32MB */
	#define SATT_RANGE_MAX (32 << 20)


	#endif /* _MEI_HW_TXE_REGS_H_ */