1// Copyright 2018 The Fuchsia Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#include <ddk/debug.h> 6#include <ddk/device.h> 7#include <ddk/protocol/platform-bus.h> 8#include <ddk/protocol/platform-defs.h> 9 10#include <soc/aml-s905d2/s905d2-gpio.h> 11#include <soc/aml-s905d2/s905d2-hw.h> 12 13#include <limits.h> 14 15#include "astro.h" 16 17static const pbus_mmio_t astro_canvas_mmios[] = { 18 { 19 .base = S905D2_DMC_BASE, 20 .length = S905D2_DMC_LENGTH, 21 }, 22}; 23 24static const pbus_bti_t astro_canvas_btis[] = { 25 { 26 .iommu_index = 0, 27 .bti_id = BTI_CANVAS, 28 }, 29}; 30 31static const pbus_dev_t canvas_dev = { 32 .name = "canvas", 33 .vid = PDEV_VID_AMLOGIC, 34 .pid = PDEV_PID_GENERIC, 35 .did = PDEV_DID_AMLOGIC_CANVAS, 36 .mmios = astro_canvas_mmios, 37 .mmio_count = countof(astro_canvas_mmios), 38 .btis = astro_canvas_btis, 39 .bti_count = countof(astro_canvas_btis), 40}; 41 42zx_status_t aml_canvas_init(aml_bus_t* bus) { 43 zx_status_t status = pbus_protocol_device_add(&bus->pbus, ZX_PROTOCOL_AMLOGIC_CANVAS, 44 &canvas_dev); 45 if (status != ZX_OK) { 46 zxlogf(ERROR, "%s: pbus_protocol_device_add canvas failed: %d\n", __FUNCTION__, status); 47 return status; 48 } 49 return ZX_OK; 50}