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117 lines
3.0 KiB
117 lines
3.0 KiB
/* SPDX-License-Identifier: ISC */ |
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/* |
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* Copyright (c) 2004-2011 Atheros Communications Inc. |
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* Copyright (c) 2011-2012 Qualcomm Atheros, Inc. |
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* Copyright (c) 2016-2017 Erik Stromdahl <[email protected]> |
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*/ |
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#ifndef _USB_H_ |
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#define _USB_H_ |
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/* constants */ |
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#define TX_URB_COUNT 32 |
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#define RX_URB_COUNT 32 |
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#define ATH10K_USB_RX_BUFFER_SIZE 4096 |
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#define ATH10K_USB_PIPE_INVALID ATH10K_USB_PIPE_MAX |
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/* USB endpoint definitions */ |
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#define ATH10K_USB_EP_ADDR_APP_CTRL_IN 0x81 |
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#define ATH10K_USB_EP_ADDR_APP_DATA_IN 0x82 |
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#define ATH10K_USB_EP_ADDR_APP_DATA2_IN 0x83 |
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#define ATH10K_USB_EP_ADDR_APP_INT_IN 0x84 |
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#define ATH10K_USB_EP_ADDR_APP_CTRL_OUT 0x01 |
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#define ATH10K_USB_EP_ADDR_APP_DATA_LP_OUT 0x02 |
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#define ATH10K_USB_EP_ADDR_APP_DATA_MP_OUT 0x03 |
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#define ATH10K_USB_EP_ADDR_APP_DATA_HP_OUT 0x04 |
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/* diagnostic command defnitions */ |
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#define ATH10K_USB_CONTROL_REQ_SEND_BMI_CMD 1 |
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#define ATH10K_USB_CONTROL_REQ_RECV_BMI_RESP 2 |
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#define ATH10K_USB_CONTROL_REQ_DIAG_CMD 3 |
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#define ATH10K_USB_CONTROL_REQ_DIAG_RESP 4 |
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#define ATH10K_USB_CTRL_DIAG_CC_READ 0 |
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#define ATH10K_USB_CTRL_DIAG_CC_WRITE 1 |
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#define ATH10K_USB_IS_BULK_EP(attr) (((attr) & 3) == 0x02) |
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#define ATH10K_USB_IS_INT_EP(attr) (((attr) & 3) == 0x03) |
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#define ATH10K_USB_IS_ISOC_EP(attr) (((attr) & 3) == 0x01) |
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#define ATH10K_USB_IS_DIR_IN(addr) ((addr) & 0x80) |
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struct ath10k_usb_ctrl_diag_cmd_write { |
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__le32 cmd; |
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__le32 address; |
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__le32 value; |
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__le32 padding; |
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} __packed; |
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struct ath10k_usb_ctrl_diag_cmd_read { |
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__le32 cmd; |
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__le32 address; |
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} __packed; |
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struct ath10k_usb_ctrl_diag_resp_read { |
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u8 value[4]; |
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} __packed; |
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/* tx/rx pipes for usb */ |
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enum ath10k_usb_pipe_id { |
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ATH10K_USB_PIPE_TX_CTRL = 0, |
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ATH10K_USB_PIPE_TX_DATA_LP, |
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ATH10K_USB_PIPE_TX_DATA_MP, |
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ATH10K_USB_PIPE_TX_DATA_HP, |
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ATH10K_USB_PIPE_RX_CTRL, |
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ATH10K_USB_PIPE_RX_DATA, |
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ATH10K_USB_PIPE_RX_DATA2, |
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ATH10K_USB_PIPE_RX_INT, |
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ATH10K_USB_PIPE_MAX |
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}; |
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struct ath10k_usb_pipe { |
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struct list_head urb_list_head; |
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struct usb_anchor urb_submitted; |
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u32 urb_alloc; |
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u32 urb_cnt; |
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u32 urb_cnt_thresh; |
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unsigned int usb_pipe_handle; |
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u32 flags; |
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u8 ep_address; |
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u8 logical_pipe_num; |
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struct ath10k_usb *ar_usb; |
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u16 max_packet_size; |
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struct work_struct io_complete_work; |
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struct sk_buff_head io_comp_queue; |
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struct usb_endpoint_descriptor *ep_desc; |
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}; |
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#define ATH10K_USB_PIPE_FLAG_TX BIT(0) |
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/* usb device object */ |
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struct ath10k_usb { |
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/* protects pipe->urb_list_head and pipe->urb_cnt */ |
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spinlock_t cs_lock; |
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struct usb_device *udev; |
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struct usb_interface *interface; |
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struct ath10k_usb_pipe pipes[ATH10K_USB_PIPE_MAX]; |
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u8 *diag_cmd_buffer; |
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u8 *diag_resp_buffer; |
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struct ath10k *ar; |
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}; |
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/* usb urb object */ |
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struct ath10k_urb_context { |
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struct list_head link; |
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struct ath10k_usb_pipe *pipe; |
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struct sk_buff *skb; |
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struct ath10k *ar; |
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}; |
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static inline struct ath10k_usb *ath10k_usb_priv(struct ath10k *ar) |
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{ |
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return (struct ath10k_usb *)ar->drv_priv; |
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} |
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#endif
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