linux/drivers/accel/qaic/qaic.h

/* SPDX-License-Identifier: GPL-2.0-only
 *
 * Copyright (c) 2019-2021, The Linux Foundation. All rights reserved.
 * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
 */

#ifndef _QAIC_H_
#define _QAIC_H_

#include <linux/interrupt.h>
#include <linux/kref.h>
#include <linux/mhi.h>
#include <linux/mutex.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
#include <linux/srcu.h>
#include <linux/wait.h>
#include <linux/workqueue.h>
#include <drm/drm_device.h>
#include <drm/drm_gem.h>

#define QAIC_DBC_BASE …
#define QAIC_DBC_SIZE …

#define QAIC_NO_PARTITION …

#define QAIC_DBC_OFF(i) …

#define to_qaic_bo(obj) …
#define to_qaic_drm_device(dev) …
#define to_drm(qddev) …
#define to_accel_kdev(qddev) …
#define to_qaic_device(dev) …

enum __packed dev_states { … };

extern bool datapath_polling;

struct qaic_user { … };

struct dma_bridge_chan { … };

struct qaic_device { … };

struct qaic_drm_device { … };

struct qaic_bo { … };

struct bo_slice { … };

int get_dbc_req_elem_size(void);
int get_dbc_rsp_elem_size(void);
int get_cntl_version(struct qaic_device *qdev, struct qaic_user *usr, u16 *major, u16 *minor);
int qaic_manage_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv);
void qaic_mhi_ul_xfer_cb(struct mhi_device *mhi_dev, struct mhi_result *mhi_result);

void qaic_mhi_dl_xfer_cb(struct mhi_device *mhi_dev, struct mhi_result *mhi_result);

int qaic_control_open(struct qaic_device *qdev);
void qaic_control_close(struct qaic_device *qdev);
void qaic_release_usr(struct qaic_device *qdev, struct qaic_user *usr);

irqreturn_t dbc_irq_threaded_fn(int irq, void *data);
irqreturn_t dbc_irq_handler(int irq, void *data);
int disable_dbc(struct qaic_device *qdev, u32 dbc_id, struct qaic_user *usr);
void enable_dbc(struct qaic_device *qdev, u32 dbc_id, struct qaic_user *usr);
void wakeup_dbc(struct qaic_device *qdev, u32 dbc_id);
void release_dbc(struct qaic_device *qdev, u32 dbc_id);
void qaic_data_get_fifo_info(struct dma_bridge_chan *dbc, u32 *head, u32 *tail);

void wake_all_cntl(struct qaic_device *qdev);
void qaic_dev_reset_clean_local_state(struct qaic_device *qdev);

struct drm_gem_object *qaic_gem_prime_import(struct drm_device *dev, struct dma_buf *dma_buf);

int qaic_create_bo_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv);
int qaic_mmap_bo_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv);
int qaic_attach_slice_bo_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv);
int qaic_execute_bo_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv);
int qaic_partial_execute_bo_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv);
int qaic_wait_bo_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv);
int qaic_perf_stats_bo_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv);
int qaic_detach_slice_bo_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv);
void irq_polling_work(struct work_struct *work);

#endif /* _QAIC_H_ */