// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <ddk/debug.h>
#include <ddk/device.h>
#include <ddk/metadata.h>
#include <ddk/platform-defs.h>
#include <ddk/protocol/platform/bus.h>
#include <ddktl/metadata/fw.h>
#include <soc/msm8x53/msm8x53-clock.h>
#include <zircon/syscalls/smc.h>

#include "msm8x53.h"

namespace board_msm8x53 {

zx_status_t Msm8x53::PilInit() {
    constexpr pbus_smc_t smcs[] = {
        {
            .service_call_num_base = ARM_SMC_SERVICE_CALL_NUM_SIP_SERVICE_BASE,
            .count = ARM_SMC_SERVICE_CALL_NUM_SIP_SERVICE_LENGTH,
            .exclusive = true,
        }};
    constexpr pbus_clk_t clks[] = {
        {.clk = msm8x53::kCryptoAhbClk},
        {.clk = msm8x53::kCryptoAxiClk},
        {.clk = msm8x53::kCryptoClk},
    };
    constexpr pbus_bti_t btis[] = {
        {
            .iommu_index = 0,
            .bti_id = BTI_PIL,
        }};

    struct {
        const char* name;
        uint8_t id;
    } local_fw_list[] = {
        {"adsp", 1},
    };
    constexpr pbus_mmio_t fw_mmios[] = {
        {
            .base = 0x8840'0000,
            .length = 32 * 1024 * 1024,
        },
    };
    static_assert(countof(local_fw_list) == countof(fw_mmios));

    metadata::Firmware fw_list[countof(local_fw_list)];
    for (size_t i = 0; i < countof(local_fw_list); ++i) {
        strncpy(fw_list[i].name, local_fw_list[i].name, metadata::kMaxNameLen);
        fw_list[i].name[metadata::kMaxNameLen - 1] = 0;
        fw_list[i].id = local_fw_list[i].id;
        fw_list[i].pa = fw_mmios[i].base;
    }

    pbus_metadata_t metadata[] = {
        {
            .type = DEVICE_METADATA_PRIVATE,
            .data_buffer = &fw_list,
            .data_size = sizeof(fw_list),
        }};

    pbus_dev_t dev = {};
    dev.name = "msm8x53-pil";
    dev.vid = PDEV_VID_QUALCOMM;
    dev.did = PDEV_DID_QUALCOMM_PIL;
    dev.smc_list = smcs;
    dev.smc_count = countof(smcs);
    dev.clk_list = clks;
    dev.clk_count = countof(clks);
    dev.bti_list = btis;
    dev.bti_count = countof(btis);
    dev.metadata_list = metadata;
    dev.metadata_count = countof(metadata);
    dev.mmio_list = fw_mmios;
    dev.mmio_count = countof(fw_mmios);

    zx_status_t status;
    if ((status = pbus_.DeviceAdd(&dev)) != ZX_OK) {
        zxlogf(ERROR, "%s: Could not add dev %d\n", __func__, status);
        return status;
    }

    return ZX_OK;
}

} // namespace board_msm8x53