diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/usb.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/usb.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/usb.h b/drivers/net/wireless/ath/ath10k/usb.h new file mode 100644 index 000000000..f60a3cc7d --- /dev/null +++ b/drivers/net/wireless/ath/ath10k/usb.h @@ -0,0 +1,128 @@ +/* + * Copyright (c) 2004-2011 Atheros Communications Inc. + * Copyright (c) 2011-2012 Qualcomm Atheros, Inc. + * Copyright (c) 2016-2017 Erik Stromdahl <erik.stromdahl@gmail.com> + * + * 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. + */ + +#ifndef _USB_H_ +#define _USB_H_ + +/* constants */ +#define TX_URB_COUNT 32 +#define RX_URB_COUNT 32 +#define ATH10K_USB_RX_BUFFER_SIZE 4096 + +#define ATH10K_USB_PIPE_INVALID ATH10K_USB_PIPE_MAX + +/* USB endpoint definitions */ +#define ATH10K_USB_EP_ADDR_APP_CTRL_IN 0x81 +#define ATH10K_USB_EP_ADDR_APP_DATA_IN 0x82 +#define ATH10K_USB_EP_ADDR_APP_DATA2_IN 0x83 +#define ATH10K_USB_EP_ADDR_APP_INT_IN 0x84 + +#define ATH10K_USB_EP_ADDR_APP_CTRL_OUT 0x01 +#define ATH10K_USB_EP_ADDR_APP_DATA_LP_OUT 0x02 +#define ATH10K_USB_EP_ADDR_APP_DATA_MP_OUT 0x03 +#define ATH10K_USB_EP_ADDR_APP_DATA_HP_OUT 0x04 + +/* diagnostic command defnitions */ +#define ATH10K_USB_CONTROL_REQ_SEND_BMI_CMD 1 +#define ATH10K_USB_CONTROL_REQ_RECV_BMI_RESP 2 +#define ATH10K_USB_CONTROL_REQ_DIAG_CMD 3 +#define ATH10K_USB_CONTROL_REQ_DIAG_RESP 4 + +#define ATH10K_USB_CTRL_DIAG_CC_READ 0 +#define ATH10K_USB_CTRL_DIAG_CC_WRITE 1 + +#define ATH10K_USB_IS_BULK_EP(attr) (((attr) & 3) == 0x02) +#define ATH10K_USB_IS_INT_EP(attr) (((attr) & 3) == 0x03) +#define ATH10K_USB_IS_ISOC_EP(attr) (((attr) & 3) == 0x01) +#define ATH10K_USB_IS_DIR_IN(addr) ((addr) & 0x80) + +struct ath10k_usb_ctrl_diag_cmd_write { + __le32 cmd; + __le32 address; + __le32 value; + __le32 padding; +} __packed; + +struct ath10k_usb_ctrl_diag_cmd_read { + __le32 cmd; + __le32 address; +} __packed; + +struct ath10k_usb_ctrl_diag_resp_read { + u8 value[4]; +} __packed; + +/* tx/rx pipes for usb */ +enum ath10k_usb_pipe_id { + ATH10K_USB_PIPE_TX_CTRL = 0, + ATH10K_USB_PIPE_TX_DATA_LP, + ATH10K_USB_PIPE_TX_DATA_MP, + ATH10K_USB_PIPE_TX_DATA_HP, + ATH10K_USB_PIPE_RX_CTRL, + ATH10K_USB_PIPE_RX_DATA, + ATH10K_USB_PIPE_RX_DATA2, + ATH10K_USB_PIPE_RX_INT, + ATH10K_USB_PIPE_MAX +}; + +struct ath10k_usb_pipe { + struct list_head urb_list_head; + struct usb_anchor urb_submitted; + u32 urb_alloc; + u32 urb_cnt; + u32 urb_cnt_thresh; + unsigned int usb_pipe_handle; + u32 flags; + u8 ep_address; + u8 logical_pipe_num; + struct ath10k_usb *ar_usb; + u16 max_packet_size; + struct work_struct io_complete_work; + struct sk_buff_head io_comp_queue; + struct usb_endpoint_descriptor *ep_desc; +}; + +#define ATH10K_USB_PIPE_FLAG_TX BIT(0) + +/* usb device object */ +struct ath10k_usb { + /* protects pipe->urb_list_head and pipe->urb_cnt */ + spinlock_t cs_lock; + + struct usb_device *udev; + struct usb_interface *interface; + struct ath10k_usb_pipe pipes[ATH10K_USB_PIPE_MAX]; + u8 *diag_cmd_buffer; + u8 *diag_resp_buffer; + struct ath10k *ar; +}; + +/* usb urb object */ +struct ath10k_urb_context { + struct list_head link; + struct ath10k_usb_pipe *pipe; + struct sk_buff *skb; + struct ath10k *ar; +}; + +static inline struct ath10k_usb *ath10k_usb_priv(struct ath10k *ar) +{ + return (struct ath10k_usb *)ar->drv_priv; +} + +#endif |