2 * Copyright (c) 2004-2011 Atheros Communications Inc.
3 * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
4 * Copyright (c) 2016-2017 Erik Stromdahl <erik.stromdahl@gmail.com>
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23 #define TX_URB_COUNT 32
24 #define RX_URB_COUNT 32
25 #define ATH10K_USB_RX_BUFFER_SIZE 4096
27 #define ATH10K_USB_PIPE_INVALID ATH10K_USB_PIPE_MAX
29 /* USB endpoint definitions */
30 #define ATH10K_USB_EP_ADDR_APP_CTRL_IN 0x81
31 #define ATH10K_USB_EP_ADDR_APP_DATA_IN 0x82
32 #define ATH10K_USB_EP_ADDR_APP_DATA2_IN 0x83
33 #define ATH10K_USB_EP_ADDR_APP_INT_IN 0x84
35 #define ATH10K_USB_EP_ADDR_APP_CTRL_OUT 0x01
36 #define ATH10K_USB_EP_ADDR_APP_DATA_LP_OUT 0x02
37 #define ATH10K_USB_EP_ADDR_APP_DATA_MP_OUT 0x03
38 #define ATH10K_USB_EP_ADDR_APP_DATA_HP_OUT 0x04
40 /* diagnostic command defnitions */
41 #define ATH10K_USB_CONTROL_REQ_SEND_BMI_CMD 1
42 #define ATH10K_USB_CONTROL_REQ_RECV_BMI_RESP 2
43 #define ATH10K_USB_CONTROL_REQ_DIAG_CMD 3
44 #define ATH10K_USB_CONTROL_REQ_DIAG_RESP 4
46 #define ATH10K_USB_CTRL_DIAG_CC_READ 0
47 #define ATH10K_USB_CTRL_DIAG_CC_WRITE 1
49 #define ATH10K_USB_IS_BULK_EP(attr) (((attr) & 3) == 0x02)
50 #define ATH10K_USB_IS_INT_EP(attr) (((attr) & 3) == 0x03)
51 #define ATH10K_USB_IS_ISOC_EP(attr) (((attr) & 3) == 0x01)
52 #define ATH10K_USB_IS_DIR_IN(addr) ((addr) & 0x80)
54 struct ath10k_usb_ctrl_diag_cmd_write {
61 struct ath10k_usb_ctrl_diag_cmd_read {
66 struct ath10k_usb_ctrl_diag_resp_read {
70 /* tx/rx pipes for usb */
71 enum ath10k_usb_pipe_id {
72 ATH10K_USB_PIPE_TX_CTRL = 0,
73 ATH10K_USB_PIPE_TX_DATA_LP,
74 ATH10K_USB_PIPE_TX_DATA_MP,
75 ATH10K_USB_PIPE_TX_DATA_HP,
76 ATH10K_USB_PIPE_RX_CTRL,
77 ATH10K_USB_PIPE_RX_DATA,
78 ATH10K_USB_PIPE_RX_DATA2,
79 ATH10K_USB_PIPE_RX_INT,
83 struct ath10k_usb_pipe {
84 struct list_head urb_list_head;
85 struct usb_anchor urb_submitted;
89 unsigned int usb_pipe_handle;
93 struct ath10k_usb *ar_usb;
95 struct work_struct io_complete_work;
96 struct sk_buff_head io_comp_queue;
97 struct usb_endpoint_descriptor *ep_desc;
100 #define ATH10K_USB_PIPE_FLAG_TX BIT(0)
102 /* usb device object */
104 /* protects pipe->urb_list_head and pipe->urb_cnt */
107 struct usb_device *udev;
108 struct usb_interface *interface;
109 struct ath10k_usb_pipe pipes[ATH10K_USB_PIPE_MAX];
111 u8 *diag_resp_buffer;
116 struct ath10k_urb_context {
117 struct list_head link;
118 struct ath10k_usb_pipe *pipe;
123 static inline struct ath10k_usb *ath10k_usb_priv(struct ath10k *ar)
125 return (struct ath10k_usb *)ar->drv_priv;