// SPDX-License-Identifier: MIT
/*
 * Copyright (C) 2021 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: AMD
 *
 */

#include "dm_services.h"
#include "irq_service_dcn303.h"
#include "../dce110/irq_service_dce110.h"

#include "sienna_cichlid_ip_offset.h"
#include "dcn/dcn_3_0_3_offset.h"
#include "dcn/dcn_3_0_3_sh_mask.h"

#include "ivsrcid/dcn/irqsrcs_dcn_1_0.h"

static enum dc_irq_source to_dal_irq_source_dcn303(struct irq_service *irq_service,
                                                   uint32_t src_id,
                                                   uint32_t ext_id)
{
        switch (src_id) {
        case DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP:
                return DC_IRQ_SOURCE_VBLANK1;
        case DCN_1_0__SRCID__DC_D2_OTG_VSTARTUP:
                return DC_IRQ_SOURCE_VBLANK2;
        case DCN_1_0__SRCID__OTG1_VERTICAL_INTERRUPT0_CONTROL:
                return DC_IRQ_SOURCE_DC1_VLINE0;
        case DCN_1_0__SRCID__OTG2_VERTICAL_INTERRUPT0_CONTROL:
                return DC_IRQ_SOURCE_DC2_VLINE0;
        case DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT:
                return DC_IRQ_SOURCE_PFLIP1;
        case DCN_1_0__SRCID__HUBP1_FLIP_INTERRUPT:
                return DC_IRQ_SOURCE_PFLIP2;
        case DCN_1_0__SRCID__OTG0_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
                return DC_IRQ_SOURCE_VUPDATE1;
        case DCN_1_0__SRCID__OTG1_IHC_V_UPDATE_NO_LOCK_INTERRUPT:
                return DC_IRQ_SOURCE_VUPDATE2;

        case DCN_1_0__SRCID__DC_HPD1_INT:
                /* generic src_id for all HPD and HPDRX interrupts */
                switch (ext_id) {
                case DCN_1_0__CTXID__DC_HPD1_INT:
                        return DC_IRQ_SOURCE_HPD1;
                case DCN_1_0__CTXID__DC_HPD2_INT:
                        return DC_IRQ_SOURCE_HPD2;
                case DCN_1_0__CTXID__DC_HPD1_RX_INT:
                        return DC_IRQ_SOURCE_HPD1RX;
                case DCN_1_0__CTXID__DC_HPD2_RX_INT:
                        return DC_IRQ_SOURCE_HPD2RX;
                default:
                        return DC_IRQ_SOURCE_INVALID;
                }
                break;

        default:
                return DC_IRQ_SOURCE_INVALID;
        }
}

static struct irq_source_info_funcs hpd_irq_info_funcs  = {
                .set = NULL,
                .ack = hpd0_ack
};

static struct irq_source_info_funcs hpd_rx_irq_info_funcs = {
                .set = NULL,
                .ack = NULL
};

static struct irq_source_info_funcs pflip_irq_info_funcs = {
                .set = NULL,
                .ack = NULL
};

static struct irq_source_info_funcs vupdate_no_lock_irq_info_funcs = {
        .set = NULL,
        .ack = NULL
};

static struct irq_source_info_funcs vblank_irq_info_funcs = {
                .set = NULL,
                .ack = NULL
};

static struct irq_source_info_funcs vline0_irq_info_funcs = {
        .set = NULL,
        .ack = NULL
};

#undef BASE_INNER
#define BASE_INNER(seg) DCN_BASE__INST0_SEG ## seg

/* compile time expand base address. */
#define BASE(seg) BASE_INNER(seg)

#define SRI(reg_name, block, id)\
                BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
                mm ## block ## id ## _ ## reg_name


#define IRQ_REG_ENTRY(block, reg_num, reg1, mask1, reg2, mask2)\
                .enable_reg = SRI(reg1, block, reg_num),\
                .enable_mask = block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\
                .enable_value = {\
                                block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\
                                ~block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK \
                },\
                .ack_reg = SRI(reg2, block, reg_num),\
                .ack_mask = block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK,\
                .ack_value = block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK \



#define hpd_int_entry(reg_num)\
                [DC_IRQ_SOURCE_HPD1 + reg_num] = {\
                                IRQ_REG_ENTRY(HPD, reg_num,\
                                                DC_HPD_INT_CONTROL, DC_HPD_INT_EN,\
                                                DC_HPD_INT_CONTROL, DC_HPD_INT_ACK),\
                                                .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\
                                                .funcs = &hpd_irq_info_funcs\
}

#define hpd_rx_int_entry(reg_num)\
                [DC_IRQ_SOURCE_HPD1RX + reg_num] = {\
                                IRQ_REG_ENTRY(HPD, reg_num,\
                                                DC_HPD_INT_CONTROL, DC_HPD_RX_INT_EN,\
                                                DC_HPD_INT_CONTROL, DC_HPD_RX_INT_ACK),\
                                                .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\
                                                .funcs = &hpd_rx_irq_info_funcs\
}
#define pflip_int_entry(reg_num)\
                [DC_IRQ_SOURCE_PFLIP1 + reg_num] = {\
                                IRQ_REG_ENTRY(HUBPREQ, reg_num,\
                                                DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_INT_MASK,\
                                                DCSURF_SURFACE_FLIP_INTERRUPT, SURFACE_FLIP_CLEAR),\
                                                .funcs = &pflip_irq_info_funcs\
}

/* vupdate_no_lock_int_entry maps to DC_IRQ_SOURCE_VUPDATEx, to match semantic
 * of DCE's DC_IRQ_SOURCE_VUPDATEx.
 */
#define vupdate_no_lock_int_entry(reg_num)\
        [DC_IRQ_SOURCE_VUPDATE1 + reg_num] = {\
                IRQ_REG_ENTRY(OTG, reg_num,\
                        OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_INT_EN,\
                        OTG_GLOBAL_SYNC_STATUS, VUPDATE_NO_LOCK_EVENT_CLEAR),\
                .funcs = &vupdate_no_lock_irq_info_funcs\
        }

#define vblank_int_entry(reg_num)\
        [DC_IRQ_SOURCE_VBLANK1 + reg_num] = {\
                IRQ_REG_ENTRY(OTG, reg_num,\
                        OTG_GLOBAL_SYNC_STATUS, VSTARTUP_INT_EN,\
                        OTG_GLOBAL_SYNC_STATUS, VSTARTUP_EVENT_CLEAR),\
                .funcs = &vblank_irq_info_funcs\
        }

#define vline0_int_entry(reg_num)\
        [DC_IRQ_SOURCE_DC1_VLINE0 + reg_num] = {\
                IRQ_REG_ENTRY(OTG, reg_num,\
                        OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_INT_ENABLE,\
                        OTG_VERTICAL_INTERRUPT0_CONTROL, OTG_VERTICAL_INTERRUPT0_CLEAR),\
                .funcs = &vline0_irq_info_funcs\
        }

#define dummy_irq_entry() { .funcs = &dummy_irq_info_funcs }

#define i2c_int_entry(reg_num) \
                [DC_IRQ_SOURCE_I2C_DDC ## reg_num] = dummy_irq_entry()

#define dp_sink_int_entry(reg_num) \
                [DC_IRQ_SOURCE_DPSINK ## reg_num] = dummy_irq_entry()

#define gpio_pad_int_entry(reg_num) \
                [DC_IRQ_SOURCE_GPIOPAD ## reg_num] = dummy_irq_entry()

#define dc_underflow_int_entry(reg_num) \
                [DC_IRQ_SOURCE_DC ## reg_num ## UNDERFLOW] = dummy_irq_entry()

static struct irq_source_info_funcs dummy_irq_info_funcs = {
                .set = dal_irq_service_dummy_set,
                .ack = dal_irq_service_dummy_ack
};

static const struct irq_source_info irq_source_info_dcn303[DAL_IRQ_SOURCES_NUMBER] = {
                [DC_IRQ_SOURCE_INVALID] = dummy_irq_entry(),
                hpd_int_entry(0),
                hpd_int_entry(1),
                hpd_rx_int_entry(0),
                hpd_rx_int_entry(1),
                i2c_int_entry(1),
                i2c_int_entry(2),
                dp_sink_int_entry(1),
                dp_sink_int_entry(2),
                [DC_IRQ_SOURCE_TIMER] = dummy_irq_entry(),
                pflip_int_entry(0),
                pflip_int_entry(1),
                [DC_IRQ_SOURCE_PFLIP_UNDERLAY0] = dummy_irq_entry(),
                gpio_pad_int_entry(0),
                gpio_pad_int_entry(1),
                gpio_pad_int_entry(2),
                gpio_pad_int_entry(3),
                gpio_pad_int_entry(4),
                gpio_pad_int_entry(5),
                gpio_pad_int_entry(6),
                gpio_pad_int_entry(7),
                gpio_pad_int_entry(8),
                gpio_pad_int_entry(9),
                gpio_pad_int_entry(10),
                gpio_pad_int_entry(11),
                gpio_pad_int_entry(12),
                gpio_pad_int_entry(13),
                gpio_pad_int_entry(14),
                gpio_pad_int_entry(15),
                gpio_pad_int_entry(16),
                gpio_pad_int_entry(17),
                gpio_pad_int_entry(18),
                gpio_pad_int_entry(19),
                gpio_pad_int_entry(20),
                gpio_pad_int_entry(21),
                gpio_pad_int_entry(22),
                gpio_pad_int_entry(23),
                gpio_pad_int_entry(24),
                gpio_pad_int_entry(25),
                gpio_pad_int_entry(26),
                gpio_pad_int_entry(27),
                gpio_pad_int_entry(28),
                gpio_pad_int_entry(29),
                gpio_pad_int_entry(30),
                dc_underflow_int_entry(1),
                dc_underflow_int_entry(2),
                [DC_IRQ_SOURCE_DMCU_SCP] = dummy_irq_entry(),
                [DC_IRQ_SOURCE_VBIOS_SW] = dummy_irq_entry(),
                vupdate_no_lock_int_entry(0),
                vupdate_no_lock_int_entry(1),
                vblank_int_entry(0),
                vblank_int_entry(1),
                vline0_int_entry(0),
                vline0_int_entry(1),
};

static const struct irq_service_funcs irq_service_funcs_dcn303 = {
                .to_dal_irq_source = to_dal_irq_source_dcn303
};

static void dcn303_irq_construct(struct irq_service *irq_service, struct irq_service_init_data *init_data)
{
        dal_irq_service_construct(irq_service, init_data);

        irq_service->info = irq_source_info_dcn303;
        irq_service->funcs = &irq_service_funcs_dcn303;
}

struct irq_service *dal_irq_service_dcn303_create(struct irq_service_init_data *init_data)
{
        struct irq_service *irq_service = kzalloc_obj(*irq_service);

        if (!irq_service)
                return NULL;

        dcn303_irq_construct(irq_service, init_data);
        return irq_service;
}