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/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2022 Bjoern A. Zeeb
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/types.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <linux/kernel.h> /* pr_debug */
#include <linux/mhi.h>
static MALLOC_DEFINE(M_LKPIMHI, "lkpimhi", "LinuxKPI MHI compat");
struct mhi_controller *
linuxkpi_mhi_alloc_controller(void)
{
struct mhi_controller *mhi_ctrl;
mhi_ctrl = malloc(sizeof(*mhi_ctrl), M_LKPIMHI, M_NOWAIT | M_ZERO);
return (mhi_ctrl);
}
void
linuxkpi_mhi_free_controller(struct mhi_controller *mhi_ctrl)
{
/* What else do we need to check that it is gone? */
free(mhi_ctrl, M_LKPIMHI);
}
int
linuxkpi_mhi_register_controller(struct mhi_controller *mhi_ctrl,
const struct mhi_controller_config *cfg)
{
if (mhi_ctrl == NULL || cfg == NULL)
return (-EINVAL);
#define CHECK_FIELD(_f) \
if (!mhi_ctrl->_f) \
return (-ENXIO);
CHECK_FIELD(cntrl_dev);
CHECK_FIELD(regs);
CHECK_FIELD(irq);
CHECK_FIELD(reg_len);
CHECK_FIELD(nr_irqs);
CHECK_FIELD(runtime_get);
CHECK_FIELD(runtime_put);
CHECK_FIELD(status_cb);
CHECK_FIELD(read_reg);
CHECK_FIELD(write_reg);
#undef CHECK_FIELD
printf("%s: XXX-BZ TODO\n", __func__);
return (0);
}
void
linuxkpi_mhi_unregister_controller(struct mhi_controller *mhi_ctrl)
{
pr_debug("%s: TODO\n", __func__);
}
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