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/platform-defs.h>
8 #include <ddk/protocol/platform/bus.h>
9 #include <soc/aml-s912/s912-hw.h>
10 #include "vim.h"
11
12 static const pbus_mmio_t vim_canvas_mmios[] = {
13 {
14 .base = S912_DMC_REG_BASE,
15 .length = S912_DMC_REG_LENGTH,
16 },
17 };
18
19 static const pbus_bti_t vim_canvas_btis[] = {
20 {
21 .iommu_index = 0,
22 .bti_id = BTI_CANVAS,
23 },
24 };
25
26 static const pbus_dev_t canvas_dev = {
27 .name = "canvas",
28 .vid = PDEV_VID_AMLOGIC,
29 .pid = PDEV_PID_GENERIC,
30 .did = PDEV_DID_AMLOGIC_CANVAS,
31 .mmio_list = vim_canvas_mmios,
32 .mmio_count = countof(vim_canvas_mmios),
33 .bti_list = vim_canvas_btis,
34 .bti_count = countof(vim_canvas_btis),
35 };
36
vim2_canvas_init(vim_bus_t * bus)37 zx_status_t vim2_canvas_init(vim_bus_t* bus) {
38 zx_status_t status = pbus_protocol_device_add(&bus->pbus, ZX_PROTOCOL_AMLOGIC_CANVAS,
39 &canvas_dev);
40 if (status != ZX_OK) {
41 zxlogf(ERROR, "vim2_canvas_init: pbus_protocol_device_add Canvas failed: %d\n", status);
42 return status;
43 }
44 return ZX_OK;
45 }
46