/* SPDX-License-Identifier: MIT */
/*
 * Copyright © 2014-2019 Intel Corporation
 */

#ifndef _INTEL_GUC_REG_H_
#define _INTEL_GUC_REG_H_

#include <linux/compiler.h>
#include <linux/types.h>

#include "i915_reg.h"

/* Definitions of GuC H/W registers, bits, etc */

#define GUC_STATUS                      _MMIO(0xc000)
#define   GS_RESET_SHIFT                0
#define   GS_MIA_IN_RESET                 (0x01 << GS_RESET_SHIFT)
#define   GS_BOOTROM_SHIFT              1
#define   GS_BOOTROM_MASK                 (0x7F << GS_BOOTROM_SHIFT)
#define   GS_BOOTROM_RSA_FAILED           (0x50 << GS_BOOTROM_SHIFT)
#define   GS_BOOTROM_JUMP_PASSED          (0x76 << GS_BOOTROM_SHIFT)
#define   GS_UKERNEL_SHIFT              8
#define   GS_UKERNEL_MASK                 (0xFF << GS_UKERNEL_SHIFT)
#define   GS_UKERNEL_LAPIC_DONE           (0x30 << GS_UKERNEL_SHIFT)
#define   GS_UKERNEL_DPC_ERROR            (0x60 << GS_UKERNEL_SHIFT)
#define   GS_UKERNEL_EXCEPTION            (0x70 << GS_UKERNEL_SHIFT)
#define   GS_UKERNEL_READY                (0xF0 << GS_UKERNEL_SHIFT)
#define   GS_MIA_SHIFT                  16
#define   GS_MIA_MASK                     (0x07 << GS_MIA_SHIFT)
#define   GS_MIA_CORE_STATE               (0x01 << GS_MIA_SHIFT)
#define   GS_MIA_HALT_REQUESTED           (0x02 << GS_MIA_SHIFT)
#define   GS_MIA_ISR_ENTRY                (0x04 << GS_MIA_SHIFT)
#define   GS_AUTH_STATUS_SHIFT          30
#define   GS_AUTH_STATUS_MASK             (0x03 << GS_AUTH_STATUS_SHIFT)
#define   GS_AUTH_STATUS_BAD              (0x01 << GS_AUTH_STATUS_SHIFT)
#define   GS_AUTH_STATUS_GOOD             (0x02 << GS_AUTH_STATUS_SHIFT)

#define SOFT_SCRATCH(n)                 _MMIO(0xc180 + (n) * 4)
#define SOFT_SCRATCH_COUNT              16

#define GEN11_SOFT_SCRATCH(n)           _MMIO(0x190240 + (n) * 4)
#define GEN11_SOFT_SCRATCH_COUNT        4

#define UOS_RSA_SCRATCH(i)              _MMIO(0xc200 + (i) * 4)
#define UOS_RSA_SCRATCH_COUNT           64

#define DMA_ADDR_0_LOW                  _MMIO(0xc300)
#define DMA_ADDR_0_HIGH                 _MMIO(0xc304)
#define DMA_ADDR_1_LOW                  _MMIO(0xc308)
#define DMA_ADDR_1_HIGH                 _MMIO(0xc30c)
#define   DMA_ADDRESS_SPACE_WOPCM         (7 << 16)
#define   DMA_ADDRESS_SPACE_GTT           (8 << 16)
#define DMA_COPY_SIZE                   _MMIO(0xc310)
#define DMA_CTRL                        _MMIO(0xc314)
#define   HUC_UKERNEL                     (1<<9)
#define   UOS_MOVE                        (1<<4)
#define   START_DMA                       (1<<0)
#define DMA_GUC_WOPCM_OFFSET            _MMIO(0xc340)
#define   GUC_WOPCM_OFFSET_VALID          (1<<0)
#define   HUC_LOADING_AGENT_VCR           (0<<1)
#define   HUC_LOADING_AGENT_GUC           (1<<1)
#define   GUC_WOPCM_OFFSET_SHIFT        14
#define   GUC_WOPCM_OFFSET_MASK           (0x3ffff << GUC_WOPCM_OFFSET_SHIFT)
#define GUC_MAX_IDLE_COUNT              _MMIO(0xC3E4)

#define HUC_STATUS2             _MMIO(0xD3B0)
#define   HUC_FW_VERIFIED       (1<<7)

#define GEN11_HUC_KERNEL_LOAD_INFO      _MMIO(0xC1DC)
#define   HUC_LOAD_SUCCESSFUL             (1 << 0)

#define GUC_WOPCM_SIZE                  _MMIO(0xc050)
#define   GUC_WOPCM_SIZE_LOCKED           (1<<0)
#define   GUC_WOPCM_SIZE_SHIFT          12
#define   GUC_WOPCM_SIZE_MASK             (0xfffff << GUC_WOPCM_SIZE_SHIFT)

#define GEN8_GT_PM_CONFIG               _MMIO(0x138140)
#define GEN9LP_GT_PM_CONFIG             _MMIO(0x138140)
#define GEN9_GT_PM_CONFIG               _MMIO(0x13816c)
#define   GT_DOORBELL_ENABLE              (1<<0)

#define GEN8_GTCR                       _MMIO(0x4274)
#define   GEN8_GTCR_INVALIDATE            (1<<0)

#define GEN12_GUC_TLB_INV_CR            _MMIO(0xcee8)
#define   GEN12_GUC_TLB_INV_CR_INVALIDATE       (1 << 0)

#define GUC_ARAT_C6DIS                  _MMIO(0xA178)

#define GUC_SHIM_CONTROL                _MMIO(0xc064)
#define   GUC_DISABLE_SRAM_INIT_TO_ZEROES       (1<<0)
#define   GUC_ENABLE_READ_CACHE_LOGIC           (1<<1)
#define   GUC_ENABLE_MIA_CACHING                (1<<2)
#define   GUC_GEN10_MSGCH_ENABLE                (1<<4)
#define   GUC_ENABLE_READ_CACHE_FOR_SRAM_DATA   (1<<9)
#define   GUC_ENABLE_READ_CACHE_FOR_WOPCM_DATA  (1<<10)
#define   GUC_ENABLE_MIA_CLOCK_GATING           (1<<15)
#define   GUC_GEN10_SHIM_WC_ENABLE              (1<<21)

#define GUC_SEND_INTERRUPT              _MMIO(0xc4c8)
#define   GUC_SEND_TRIGGER                (1<<0)
#define GEN11_GUC_HOST_INTERRUPT        _MMIO(0x1901f0)

#define GUC_NUM_DOORBELLS               256

/* format of the HW-monitored doorbell cacheline */
struct guc_doorbell_info {
        u32 db_status;
#define GUC_DOORBELL_DISABLED           0
#define GUC_DOORBELL_ENABLED            1

        u32 cookie;
        u32 reserved[14];
} __packed;

#define GEN8_DRBREGL(x)                 _MMIO(0x1000 + (x) * 8)
#define   GEN8_DRB_VALID                  (1<<0)
#define GEN8_DRBREGU(x)                 _MMIO(0x1000 + (x) * 8 + 4)

#define GEN12_DIST_DBS_POPULATED                _MMIO(0xd08)
#define   GEN12_DOORBELLS_PER_SQIDI_SHIFT       16
#define   GEN12_DOORBELLS_PER_SQIDI             (0xff)
#define   GEN12_SQIDIS_DOORBELL_EXIST           (0xffff)

#define DE_GUCRMR                       _MMIO(0x44054)

#define GUC_BCS_RCS_IER                 _MMIO(0xC550)
#define GUC_VCS2_VCS1_IER               _MMIO(0xC554)
#define GUC_WD_VECS_IER                 _MMIO(0xC558)
#define GUC_PM_P24C_IER                 _MMIO(0xC55C)

/* GuC Interrupt Vector */
#define GUC_INTR_GUC2HOST               BIT(15)
#define GUC_INTR_EXEC_ERROR             BIT(14)
#define GUC_INTR_DISPLAY_EVENT          BIT(13)
#define GUC_INTR_SEM_SIG                BIT(12)
#define GUC_INTR_IOMMU2GUC              BIT(11)
#define GUC_INTR_DOORBELL_RANG          BIT(10)
#define GUC_INTR_DMA_DONE               BIT(9)
#define GUC_INTR_FATAL_ERROR            BIT(8)
#define GUC_INTR_NOTIF_ERROR            BIT(7)
#define GUC_INTR_SW_INT_6               BIT(6)
#define GUC_INTR_SW_INT_5               BIT(5)
#define GUC_INTR_SW_INT_4               BIT(4)
#define GUC_INTR_SW_INT_3               BIT(3)
#define GUC_INTR_SW_INT_2               BIT(2)
#define GUC_INTR_SW_INT_1               BIT(1)
#define GUC_INTR_SW_INT_0               BIT(0)

#endif