101 lines
2.6 KiB
C
101 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2012-2020, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*/
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#ifndef _F_QDSS_H
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#define _F_QDSS_H
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#include <linux/kernel.h>
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#include <linux/ipc_logging.h>
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#include <linux/usb/ch9.h>
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#include <linux/usb/gadget.h>
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#include <linux/usb/composite.h>
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#include <linux/usb/usb_qdss.h>
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enum qti_port_type {
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QTI_PORT_RMNET,
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QTI_PORT_DPL,
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QTI_NUM_PORTS
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};
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struct usb_qdss_bam_connect_info {
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u32 usb_bam_pipe_idx;
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u32 peer_pipe_idx;
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unsigned long usb_bam_handle;
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struct sps_mem_buffer *data_fifo;
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unsigned long qdss_bam_iova;
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phys_addr_t qdss_bam_phys;
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u32 qdss_bam_size;
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};
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struct gqdss {
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struct usb_function function;
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struct usb_ep *ctrl_out;
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struct usb_ep *ctrl_in;
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struct usb_ep *data;
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int (*send_encap_cmd)(enum qti_port_type qport, void *buf, size_t len);
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void (*notify_modem)(void *g, enum qti_port_type qport, int cbits);
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};
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/* struct f_qdss - USB qdss function driver private structure */
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struct f_qdss {
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struct gqdss port;
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struct usb_qdss_bam_connect_info bam_info;
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struct usb_gadget *gadget;
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short int port_num;
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u8 ctrl_iface_id;
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u8 data_iface_id;
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int usb_connected;
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bool debug_inface_enabled;
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struct usb_request *endless_req;
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struct usb_qdss_ch ch;
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struct list_head ctrl_read_pool;
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struct list_head ctrl_write_pool;
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/* for mdm channel SW path */
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struct list_head data_write_pool;
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struct work_struct connect_w;
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struct work_struct disconnect_w;
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spinlock_t lock;
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unsigned int data_enabled:1;
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unsigned int ctrl_in_enabled:1;
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unsigned int ctrl_out_enabled:1;
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struct workqueue_struct *wq;
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};
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static void *_qdss_ipc_log;
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#define NUM_PAGES 10 /* # of pages for ipc logging */
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#ifdef CONFIG_DYNAMIC_DEBUG
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#define qdss_log(fmt, ...) do { \
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ipc_log_string(_qdss_ipc_log, "%s: " fmt, __func__, ##__VA_ARGS__); \
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dynamic_pr_debug("%s: " fmt, __func__, ##__VA_ARGS__); \
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} while (0)
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#else
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#define qdss_log(fmt, ...) \
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ipc_log_string(_qdss_ipc_log, "%s: " fmt, __func__, ##__VA_ARGS__)
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#endif
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struct usb_qdss_opts {
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struct usb_function_instance func_inst;
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struct f_qdss *usb_qdss;
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char *channel_name;
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};
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int uninit_data(struct usb_ep *ep);
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int set_qdss_data_connection(struct f_qdss *qdss, int enable);
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int alloc_sps_req(struct usb_ep *data_ep);
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#endif
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