qdf/linux/src/i_qdf_dev.h

/*
 * Copyright (c) 2019 The Linux Foundation. All rights reserved.
 *
 * Permission to use, copy, modify, and/or distribute this software for
 * any purpose with or without fee is hereby granted, provided that the
 * above copyright notice and this permission notice appear in all
 * copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

/**
 * DOC: qdf_dev
 * QCA driver framework (QDF) device management APIs
 */

#if !defined(__I_QDF_DEV_H)
#define __I_QDF_DEV_H

/* Include Files */
#include <qdf_types.h>
#include "qdf_util.h"
#include <linux/irq.h>

struct qdf_cpu_mask;
struct qdf_devm;
struct qdf_dev;

/**
 * __qdf_dev_alloc_mem() - allocate memory
 * @qdfdev: Device handle
 * @mrptr: Pointer to the allocated memory
 * @reqsize: Allocation request in bytes
 * @mask: Property mask to be associated to the allocated memory
 *
 * This function will acquire memory to be associated with a device
 *
 * Return: QDF_STATUS_SUCCESS on success
 */
static inline QDF_STATUS
__qdf_dev_alloc_mem(struct qdf_dev *qdfdev, struct qdf_devm **mrptr,
		    uint32_t reqsize, uint32_t mask)
{
	*mrptr = devm_kzalloc((struct device *)qdfdev, reqsize, mask);

	if (!*mrptr)
		return QDF_STATUS_E_NOMEM;

	return QDF_STATUS_SUCCESS;
}

/**
 * __qdf_dev_release_mem() - release memory
 * @qdfdev: Device handle
 * @mrptr: Pointer to the allocated memory
 *
 * This function will acquire memory to be associated with a device
 *
 * Return: QDF_STATUS_SUCCESS on success
 */
static inline QDF_STATUS
__qdf_dev_release_mem(struct qdf_dev *qdfdev, struct qdf_devm *mrptr)
{
	devm_kfree((struct device *)qdfdev, mrptr);

	return QDF_STATUS_SUCCESS;
}

/**
 * __qdf_dev_modify_irq() - modify irq
 * @irnum: irq number
 * @cmask: Bitmap to be cleared for the property mask
 * @smask: Bitmap to be set for the property mask
 *
 * This function will modify the properties of the irq associated with a device
 *
 * Return: QDF_STATUS_SUCCESS on success
 */
static inline QDF_STATUS
__qdf_dev_modify_irq_status(uint32_t irnum, unsigned long cmask,
			    unsigned long smask)
{
	irq_modify_status(irnum, cmask, smask);

	return QDF_STATUS_SUCCESS;
}

/**
 * __qdf_dev_set_irq_affinity() - set irq affinity
 * @irnum: irq number
 * @cpmask: cpu affinity bitmap
 *
 * This function will set the affinity level for an irq
 *
 * Return: QDF_STATUS_SUCCESS on success
 */
static inline QDF_STATUS
__qdf_dev_set_irq_affinity(uint32_t irnum, struct qdf_cpu_mask *cpmask)
{
	int ret;

	ret = irq_set_affinity_hint(irnum, (struct cpumask *)cpmask);

	return qdf_status_from_os_return(ret);
}
#endif /* __I_QDF_DEV_H */