blob: 462ead2c17098f83c6d14a1157f8e10ef26590fd [file] [log] [blame] [edit]
// Copyright 2018 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 <stdlib.h>
#include <ddk/debug.h>
#include <ddk/device.h>
#include <ddk/driver.h>
#include <ddk/platform-defs.h>
#include <ddk/protocol/platform/device.h>
#include "src/devices/bus/drivers/platform/test/test-parent-bind.h"
#define DRIVER_NAME "test-parent"
typedef struct {
zx_device_t* zxdev;
} test_t;
static void test_release(void* ctx) { free(ctx); }
static zx_protocol_device_t test_device_protocol = {
.version = DEVICE_OPS_VERSION,
.release = test_release,
};
static zx_status_t test_bind(void* ctx, zx_device_t* parent) {
pdev_protocol_t pdev;
zx_status_t status;
zxlogf(INFO, "test_bind: %s ", DRIVER_NAME);
status = device_get_protocol(parent, ZX_PROTOCOL_PDEV, &pdev);
if (status != ZX_OK) {
zxlogf(ERROR, "%s: could not get ZX_PROTOCOL_PDEV", DRIVER_NAME);
return status;
}
test_t* test = calloc(1, sizeof(test_t));
if (!test) {
return ZX_ERR_NO_MEMORY;
}
zx_device_prop_t child_props[] = {
{BIND_PLATFORM_DEV_VID, 0, PDEV_VID_TEST},
{BIND_PLATFORM_DEV_PID, 0, PDEV_PID_PBUS_TEST},
{BIND_PLATFORM_DEV_DID, 0, PDEV_DID_TEST_CHILD_1},
};
device_add_args_t child_args = {
.version = DEVICE_ADD_ARGS_VERSION,
.name = "child-1",
.ctx = test,
.ops = &test_device_protocol,
.props = child_props,
.prop_count = countof(child_props),
};
status = device_add(parent, &child_args, &test->zxdev);
if (status != ZX_OK) {
zxlogf(ERROR, "%s: device_add failed: %d", DRIVER_NAME, status);
free(test);
return status;
}
return ZX_OK;
}
static zx_driver_ops_t test_driver_ops = {
.version = DRIVER_OPS_VERSION,
.bind = test_bind,
};
ZIRCON_DRIVER(test_bus, test_driver_ops, "zircon", "0.1");