LXR uboot/drivers/mailbox/sandbox-mbox-test.c

   1/*
   2 * Copyright (c) 2016, NVIDIA CORPORATION.
   3 *
   4 * SPDX-License-Identifier: GPL-2.0
   5 */
   6
   7#include <common.h>
   8#include <dm.h>
   9#include <mailbox.h>
  10#include <asm/io.h>
  11
  12struct sandbox_mbox_test {
  13        struct mbox_chan chan;
  14};
  15
  16int sandbox_mbox_test_get(struct udevice *dev)
  17{
  18        struct sandbox_mbox_test *sbmt = dev_get_priv(dev);
  19
  20        return mbox_get_by_name(dev, "test", &sbmt->chan);
  21}
  22
  23int sandbox_mbox_test_send(struct udevice *dev, uint32_t msg)
  24{
  25        struct sandbox_mbox_test *sbmt = dev_get_priv(dev);
  26
  27        return mbox_send(&sbmt->chan, &msg);
  28}
  29
  30int sandbox_mbox_test_recv(struct udevice *dev, uint32_t *msg)
  31{
  32        struct sandbox_mbox_test *sbmt = dev_get_priv(dev);
  33
  34        return mbox_recv(&sbmt->chan, msg, 100);
  35}
  36
  37int sandbox_mbox_test_free(struct udevice *dev)
  38{
  39        struct sandbox_mbox_test *sbmt = dev_get_priv(dev);
  40
  41        return mbox_free(&sbmt->chan);
  42}
  43
  44static const struct udevice_id sandbox_mbox_test_ids[] = {
  45        { .compatible = "sandbox,mbox-test" },
  46        { }
  47};
  48
  49U_BOOT_DRIVER(sandbox_mbox_test) = {
  50        .name = "sandbox_mbox_test",
  51        .id = UCLASS_MISC,
  52        .of_match = sandbox_mbox_test_ids,
  53        .priv_auto_alloc_size = sizeof(struct sandbox_mbox_test),
  54};
  55