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1247 lines
31 KiB
1247 lines
31 KiB
/* |
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* Copyright (c) 2007-2011 Atheros Communications Inc. |
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* Copyright (c) 2011-2012 Qualcomm Atheros, Inc. |
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* |
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* Permission to use, copy, modify, and/or distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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|
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#include <linux/module.h> |
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#include <linux/usb.h> |
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|
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#include "debug.h" |
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#include "core.h" |
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|
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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 ATH6KL_USB_RX_BUFFER_SIZE 4096 |
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|
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/* tx/rx pipes for usb */ |
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enum ATH6KL_USB_PIPE_ID { |
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ATH6KL_USB_PIPE_TX_CTRL = 0, |
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ATH6KL_USB_PIPE_TX_DATA_LP, |
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ATH6KL_USB_PIPE_TX_DATA_MP, |
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ATH6KL_USB_PIPE_TX_DATA_HP, |
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ATH6KL_USB_PIPE_RX_CTRL, |
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ATH6KL_USB_PIPE_RX_DATA, |
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ATH6KL_USB_PIPE_RX_DATA2, |
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ATH6KL_USB_PIPE_RX_INT, |
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ATH6KL_USB_PIPE_MAX |
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}; |
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|
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#define ATH6KL_USB_PIPE_INVALID ATH6KL_USB_PIPE_MAX |
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|
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struct ath6kl_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 ath6kl_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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|
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#define ATH6KL_USB_PIPE_FLAG_TX (1 << 0) |
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|
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/* usb device object */ |
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struct ath6kl_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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|
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struct usb_device *udev; |
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struct usb_interface *interface; |
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struct ath6kl_usb_pipe pipes[ATH6KL_USB_PIPE_MAX]; |
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u8 *diag_cmd_buffer; |
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u8 *diag_resp_buffer; |
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struct ath6kl *ar; |
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}; |
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|
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/* usb urb object */ |
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struct ath6kl_urb_context { |
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struct list_head link; |
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struct ath6kl_usb_pipe *pipe; |
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struct sk_buff *skb; |
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struct ath6kl *ar; |
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}; |
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|
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/* USB endpoint definitions */ |
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#define ATH6KL_USB_EP_ADDR_APP_CTRL_IN 0x81 |
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#define ATH6KL_USB_EP_ADDR_APP_DATA_IN 0x82 |
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#define ATH6KL_USB_EP_ADDR_APP_DATA2_IN 0x83 |
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#define ATH6KL_USB_EP_ADDR_APP_INT_IN 0x84 |
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|
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#define ATH6KL_USB_EP_ADDR_APP_CTRL_OUT 0x01 |
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#define ATH6KL_USB_EP_ADDR_APP_DATA_LP_OUT 0x02 |
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#define ATH6KL_USB_EP_ADDR_APP_DATA_MP_OUT 0x03 |
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#define ATH6KL_USB_EP_ADDR_APP_DATA_HP_OUT 0x04 |
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|
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/* diagnostic command defnitions */ |
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#define ATH6KL_USB_CONTROL_REQ_SEND_BMI_CMD 1 |
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#define ATH6KL_USB_CONTROL_REQ_RECV_BMI_RESP 2 |
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#define ATH6KL_USB_CONTROL_REQ_DIAG_CMD 3 |
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#define ATH6KL_USB_CONTROL_REQ_DIAG_RESP 4 |
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|
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#define ATH6KL_USB_CTRL_DIAG_CC_READ 0 |
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#define ATH6KL_USB_CTRL_DIAG_CC_WRITE 1 |
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|
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struct ath6kl_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 _pad[1]; |
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} __packed; |
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|
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struct ath6kl_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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|
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struct ath6kl_usb_ctrl_diag_resp_read { |
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__le32 value; |
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} __packed; |
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|
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/* function declarations */ |
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static void ath6kl_usb_recv_complete(struct urb *urb); |
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|
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#define ATH6KL_USB_IS_BULK_EP(attr) (((attr) & 3) == 0x02) |
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#define ATH6KL_USB_IS_INT_EP(attr) (((attr) & 3) == 0x03) |
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#define ATH6KL_USB_IS_ISOC_EP(attr) (((attr) & 3) == 0x01) |
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#define ATH6KL_USB_IS_DIR_IN(addr) ((addr) & 0x80) |
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|
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/* pipe/urb operations */ |
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static struct ath6kl_urb_context * |
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ath6kl_usb_alloc_urb_from_pipe(struct ath6kl_usb_pipe *pipe) |
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{ |
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struct ath6kl_urb_context *urb_context = NULL; |
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unsigned long flags; |
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|
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/* bail if this pipe is not initialized */ |
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if (!pipe->ar_usb) |
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return NULL; |
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spin_lock_irqsave(&pipe->ar_usb->cs_lock, flags); |
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if (!list_empty(&pipe->urb_list_head)) { |
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urb_context = |
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list_first_entry(&pipe->urb_list_head, |
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struct ath6kl_urb_context, link); |
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list_del(&urb_context->link); |
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pipe->urb_cnt--; |
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} |
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spin_unlock_irqrestore(&pipe->ar_usb->cs_lock, flags); |
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|
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return urb_context; |
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} |
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|
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static void ath6kl_usb_free_urb_to_pipe(struct ath6kl_usb_pipe *pipe, |
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struct ath6kl_urb_context *urb_context) |
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{ |
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unsigned long flags; |
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|
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/* bail if this pipe is not initialized */ |
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if (!pipe->ar_usb) |
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return; |
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|
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spin_lock_irqsave(&pipe->ar_usb->cs_lock, flags); |
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pipe->urb_cnt++; |
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|
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list_add(&urb_context->link, &pipe->urb_list_head); |
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spin_unlock_irqrestore(&pipe->ar_usb->cs_lock, flags); |
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} |
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|
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static void ath6kl_usb_cleanup_recv_urb(struct ath6kl_urb_context *urb_context) |
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{ |
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dev_kfree_skb(urb_context->skb); |
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urb_context->skb = NULL; |
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|
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ath6kl_usb_free_urb_to_pipe(urb_context->pipe, urb_context); |
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} |
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|
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static inline struct ath6kl_usb *ath6kl_usb_priv(struct ath6kl *ar) |
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{ |
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return ar->hif_priv; |
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} |
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|
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/* pipe resource allocation/cleanup */ |
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static int ath6kl_usb_alloc_pipe_resources(struct ath6kl_usb_pipe *pipe, |
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int urb_cnt) |
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{ |
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struct ath6kl_urb_context *urb_context; |
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int status = 0, i; |
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|
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INIT_LIST_HEAD(&pipe->urb_list_head); |
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init_usb_anchor(&pipe->urb_submitted); |
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|
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for (i = 0; i < urb_cnt; i++) { |
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urb_context = kzalloc(sizeof(struct ath6kl_urb_context), |
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GFP_KERNEL); |
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if (urb_context == NULL) { |
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status = -ENOMEM; |
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goto fail_alloc_pipe_resources; |
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} |
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urb_context->pipe = pipe; |
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|
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/* |
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* we are only allocate the urb contexts here, the actual URB |
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* is allocated from the kernel as needed to do a transaction |
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*/ |
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pipe->urb_alloc++; |
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ath6kl_usb_free_urb_to_pipe(pipe, urb_context); |
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} |
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ath6kl_dbg(ATH6KL_DBG_USB, |
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"ath6kl usb: alloc resources lpipe:%d hpipe:0x%X urbs:%d\n", |
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pipe->logical_pipe_num, pipe->usb_pipe_handle, |
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pipe->urb_alloc); |
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|
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fail_alloc_pipe_resources: |
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return status; |
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} |
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|
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static void ath6kl_usb_free_pipe_resources(struct ath6kl_usb_pipe *pipe) |
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{ |
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struct ath6kl_urb_context *urb_context; |
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|
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if (pipe->ar_usb == NULL) { |
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/* nothing allocated for this pipe */ |
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return; |
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} |
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ath6kl_dbg(ATH6KL_DBG_USB, |
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"ath6kl usb: free resources lpipe:%d" |
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"hpipe:0x%X urbs:%d avail:%d\n", |
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pipe->logical_pipe_num, pipe->usb_pipe_handle, |
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pipe->urb_alloc, pipe->urb_cnt); |
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|
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if (pipe->urb_alloc != pipe->urb_cnt) { |
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ath6kl_dbg(ATH6KL_DBG_USB, |
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"ath6kl usb: urb leak! lpipe:%d" |
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"hpipe:0x%X urbs:%d avail:%d\n", |
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pipe->logical_pipe_num, pipe->usb_pipe_handle, |
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pipe->urb_alloc, pipe->urb_cnt); |
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} |
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|
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while (true) { |
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urb_context = ath6kl_usb_alloc_urb_from_pipe(pipe); |
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if (urb_context == NULL) |
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break; |
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kfree(urb_context); |
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} |
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} |
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|
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static void ath6kl_usb_cleanup_pipe_resources(struct ath6kl_usb *ar_usb) |
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{ |
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int i; |
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|
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for (i = 0; i < ATH6KL_USB_PIPE_MAX; i++) |
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ath6kl_usb_free_pipe_resources(&ar_usb->pipes[i]); |
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} |
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|
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static u8 ath6kl_usb_get_logical_pipe_num(struct ath6kl_usb *ar_usb, |
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u8 ep_address, int *urb_count) |
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{ |
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u8 pipe_num = ATH6KL_USB_PIPE_INVALID; |
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|
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switch (ep_address) { |
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case ATH6KL_USB_EP_ADDR_APP_CTRL_IN: |
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pipe_num = ATH6KL_USB_PIPE_RX_CTRL; |
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*urb_count = RX_URB_COUNT; |
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break; |
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case ATH6KL_USB_EP_ADDR_APP_DATA_IN: |
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pipe_num = ATH6KL_USB_PIPE_RX_DATA; |
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*urb_count = RX_URB_COUNT; |
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break; |
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case ATH6KL_USB_EP_ADDR_APP_INT_IN: |
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pipe_num = ATH6KL_USB_PIPE_RX_INT; |
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*urb_count = RX_URB_COUNT; |
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break; |
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case ATH6KL_USB_EP_ADDR_APP_DATA2_IN: |
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pipe_num = ATH6KL_USB_PIPE_RX_DATA2; |
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*urb_count = RX_URB_COUNT; |
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break; |
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case ATH6KL_USB_EP_ADDR_APP_CTRL_OUT: |
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pipe_num = ATH6KL_USB_PIPE_TX_CTRL; |
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*urb_count = TX_URB_COUNT; |
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break; |
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case ATH6KL_USB_EP_ADDR_APP_DATA_LP_OUT: |
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pipe_num = ATH6KL_USB_PIPE_TX_DATA_LP; |
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*urb_count = TX_URB_COUNT; |
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break; |
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case ATH6KL_USB_EP_ADDR_APP_DATA_MP_OUT: |
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pipe_num = ATH6KL_USB_PIPE_TX_DATA_MP; |
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*urb_count = TX_URB_COUNT; |
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break; |
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case ATH6KL_USB_EP_ADDR_APP_DATA_HP_OUT: |
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pipe_num = ATH6KL_USB_PIPE_TX_DATA_HP; |
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*urb_count = TX_URB_COUNT; |
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break; |
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default: |
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/* note: there may be endpoints not currently used */ |
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break; |
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} |
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|
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return pipe_num; |
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} |
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|
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static int ath6kl_usb_setup_pipe_resources(struct ath6kl_usb *ar_usb) |
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{ |
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struct usb_interface *interface = ar_usb->interface; |
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struct usb_host_interface *iface_desc = interface->cur_altsetting; |
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struct usb_endpoint_descriptor *endpoint; |
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struct ath6kl_usb_pipe *pipe; |
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int i, urbcount, status = 0; |
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u8 pipe_num; |
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|
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ath6kl_dbg(ATH6KL_DBG_USB, "setting up USB Pipes using interface\n"); |
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|
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/* walk descriptors and setup pipes */ |
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for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { |
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endpoint = &iface_desc->endpoint[i].desc; |
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|
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if (ATH6KL_USB_IS_BULK_EP(endpoint->bmAttributes)) { |
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ath6kl_dbg(ATH6KL_DBG_USB, |
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"%s Bulk Ep:0x%2.2X maxpktsz:%d\n", |
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ATH6KL_USB_IS_DIR_IN |
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(endpoint->bEndpointAddress) ? |
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"RX" : "TX", endpoint->bEndpointAddress, |
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le16_to_cpu(endpoint->wMaxPacketSize)); |
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} else if (ATH6KL_USB_IS_INT_EP(endpoint->bmAttributes)) { |
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ath6kl_dbg(ATH6KL_DBG_USB, |
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"%s Int Ep:0x%2.2X maxpktsz:%d interval:%d\n", |
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ATH6KL_USB_IS_DIR_IN |
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(endpoint->bEndpointAddress) ? |
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"RX" : "TX", endpoint->bEndpointAddress, |
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le16_to_cpu(endpoint->wMaxPacketSize), |
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endpoint->bInterval); |
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} else if (ATH6KL_USB_IS_ISOC_EP(endpoint->bmAttributes)) { |
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/* TODO for ISO */ |
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ath6kl_dbg(ATH6KL_DBG_USB, |
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"%s ISOC Ep:0x%2.2X maxpktsz:%d interval:%d\n", |
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ATH6KL_USB_IS_DIR_IN |
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(endpoint->bEndpointAddress) ? |
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"RX" : "TX", endpoint->bEndpointAddress, |
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le16_to_cpu(endpoint->wMaxPacketSize), |
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endpoint->bInterval); |
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} |
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urbcount = 0; |
|
|
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pipe_num = |
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ath6kl_usb_get_logical_pipe_num(ar_usb, |
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endpoint->bEndpointAddress, |
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&urbcount); |
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if (pipe_num == ATH6KL_USB_PIPE_INVALID) |
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continue; |
|
|
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pipe = &ar_usb->pipes[pipe_num]; |
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if (pipe->ar_usb != NULL) { |
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/* hmmm..pipe was already setup */ |
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continue; |
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} |
|
|
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pipe->ar_usb = ar_usb; |
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pipe->logical_pipe_num = pipe_num; |
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pipe->ep_address = endpoint->bEndpointAddress; |
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pipe->max_packet_size = le16_to_cpu(endpoint->wMaxPacketSize); |
|
|
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if (ATH6KL_USB_IS_BULK_EP(endpoint->bmAttributes)) { |
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if (ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) { |
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pipe->usb_pipe_handle = |
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usb_rcvbulkpipe(ar_usb->udev, |
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pipe->ep_address); |
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} else { |
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pipe->usb_pipe_handle = |
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usb_sndbulkpipe(ar_usb->udev, |
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pipe->ep_address); |
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} |
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} else if (ATH6KL_USB_IS_INT_EP(endpoint->bmAttributes)) { |
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if (ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) { |
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pipe->usb_pipe_handle = |
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usb_rcvintpipe(ar_usb->udev, |
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pipe->ep_address); |
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} else { |
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pipe->usb_pipe_handle = |
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usb_sndintpipe(ar_usb->udev, |
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pipe->ep_address); |
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} |
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} else if (ATH6KL_USB_IS_ISOC_EP(endpoint->bmAttributes)) { |
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/* TODO for ISO */ |
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if (ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) { |
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pipe->usb_pipe_handle = |
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usb_rcvisocpipe(ar_usb->udev, |
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pipe->ep_address); |
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} else { |
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pipe->usb_pipe_handle = |
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usb_sndisocpipe(ar_usb->udev, |
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pipe->ep_address); |
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} |
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} |
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|
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pipe->ep_desc = endpoint; |
|
|
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if (!ATH6KL_USB_IS_DIR_IN(pipe->ep_address)) |
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pipe->flags |= ATH6KL_USB_PIPE_FLAG_TX; |
|
|
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status = ath6kl_usb_alloc_pipe_resources(pipe, urbcount); |
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if (status != 0) |
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break; |
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} |
|
|
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return status; |
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} |
|
|
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/* pipe operations */ |
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static void ath6kl_usb_post_recv_transfers(struct ath6kl_usb_pipe *recv_pipe, |
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int buffer_length) |
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{ |
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struct ath6kl_urb_context *urb_context; |
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struct urb *urb; |
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int usb_status; |
|
|
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while (true) { |
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urb_context = ath6kl_usb_alloc_urb_from_pipe(recv_pipe); |
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if (urb_context == NULL) |
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break; |
|
|
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urb_context->skb = dev_alloc_skb(buffer_length); |
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if (urb_context->skb == NULL) |
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goto err_cleanup_urb; |
|
|
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urb = usb_alloc_urb(0, GFP_ATOMIC); |
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if (urb == NULL) |
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goto err_cleanup_urb; |
|
|
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usb_fill_bulk_urb(urb, |
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recv_pipe->ar_usb->udev, |
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recv_pipe->usb_pipe_handle, |
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urb_context->skb->data, |
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buffer_length, |
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ath6kl_usb_recv_complete, urb_context); |
|
|
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ath6kl_dbg(ATH6KL_DBG_USB_BULK, |
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"ath6kl usb: bulk recv submit:%d, 0x%X (ep:0x%2.2X), %d bytes buf:0x%p\n", |
|
recv_pipe->logical_pipe_num, |
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recv_pipe->usb_pipe_handle, recv_pipe->ep_address, |
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buffer_length, urb_context->skb); |
|
|
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usb_anchor_urb(urb, &recv_pipe->urb_submitted); |
|
usb_status = usb_submit_urb(urb, GFP_ATOMIC); |
|
|
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if (usb_status) { |
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ath6kl_dbg(ATH6KL_DBG_USB_BULK, |
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"ath6kl usb : usb bulk recv failed %d\n", |
|
usb_status); |
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usb_unanchor_urb(urb); |
|
usb_free_urb(urb); |
|
goto err_cleanup_urb; |
|
} |
|
usb_free_urb(urb); |
|
} |
|
return; |
|
|
|
err_cleanup_urb: |
|
ath6kl_usb_cleanup_recv_urb(urb_context); |
|
return; |
|
} |
|
|
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static void ath6kl_usb_flush_all(struct ath6kl_usb *ar_usb) |
|
{ |
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int i; |
|
|
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for (i = 0; i < ATH6KL_USB_PIPE_MAX; i++) { |
|
if (ar_usb->pipes[i].ar_usb != NULL) |
|
usb_kill_anchored_urbs(&ar_usb->pipes[i].urb_submitted); |
|
} |
|
|
|
/* |
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* Flushing any pending I/O may schedule work this call will block |
|
* until all scheduled work runs to completion. |
|
*/ |
|
flush_scheduled_work(); |
|
} |
|
|
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static void ath6kl_usb_start_recv_pipes(struct ath6kl_usb *ar_usb) |
|
{ |
|
/* |
|
* note: control pipe is no longer used |
|
* ar_usb->pipes[ATH6KL_USB_PIPE_RX_CTRL].urb_cnt_thresh = |
|
* ar_usb->pipes[ATH6KL_USB_PIPE_RX_CTRL].urb_alloc/2; |
|
* ath6kl_usb_post_recv_transfers(&ar_usb-> |
|
* pipes[ATH6KL_USB_PIPE_RX_CTRL], |
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* ATH6KL_USB_RX_BUFFER_SIZE); |
|
*/ |
|
|
|
ar_usb->pipes[ATH6KL_USB_PIPE_RX_DATA].urb_cnt_thresh = 1; |
|
|
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ath6kl_usb_post_recv_transfers(&ar_usb->pipes[ATH6KL_USB_PIPE_RX_DATA], |
|
ATH6KL_USB_RX_BUFFER_SIZE); |
|
} |
|
|
|
/* hif usb rx/tx completion functions */ |
|
static void ath6kl_usb_recv_complete(struct urb *urb) |
|
{ |
|
struct ath6kl_urb_context *urb_context = urb->context; |
|
struct ath6kl_usb_pipe *pipe = urb_context->pipe; |
|
struct sk_buff *skb = NULL; |
|
int status = 0; |
|
|
|
ath6kl_dbg(ATH6KL_DBG_USB_BULK, |
|
"%s: recv pipe: %d, stat:%d, len:%d urb:0x%p\n", __func__, |
|
pipe->logical_pipe_num, urb->status, urb->actual_length, |
|
urb); |
|
|
|
if (urb->status != 0) { |
|
status = -EIO; |
|
switch (urb->status) { |
|
case -ECONNRESET: |
|
case -ENOENT: |
|
case -ESHUTDOWN: |
|
/* |
|
* no need to spew these errors when device |
|
* removed or urb killed due to driver shutdown |
|
*/ |
|
status = -ECANCELED; |
|
break; |
|
default: |
|
ath6kl_dbg(ATH6KL_DBG_USB_BULK, |
|
"%s recv pipe: %d (ep:0x%2.2X), failed:%d\n", |
|
__func__, pipe->logical_pipe_num, |
|
pipe->ep_address, urb->status); |
|
break; |
|
} |
|
goto cleanup_recv_urb; |
|
} |
|
|
|
if (urb->actual_length == 0) |
|
goto cleanup_recv_urb; |
|
|
|
skb = urb_context->skb; |
|
|
|
/* we are going to pass it up */ |
|
urb_context->skb = NULL; |
|
skb_put(skb, urb->actual_length); |
|
|
|
/* note: queue implements a lock */ |
|
skb_queue_tail(&pipe->io_comp_queue, skb); |
|
schedule_work(&pipe->io_complete_work); |
|
|
|
cleanup_recv_urb: |
|
ath6kl_usb_cleanup_recv_urb(urb_context); |
|
|
|
if (status == 0 && |
|
pipe->urb_cnt >= pipe->urb_cnt_thresh) { |
|
/* our free urbs are piling up, post more transfers */ |
|
ath6kl_usb_post_recv_transfers(pipe, ATH6KL_USB_RX_BUFFER_SIZE); |
|
} |
|
} |
|
|
|
static void ath6kl_usb_usb_transmit_complete(struct urb *urb) |
|
{ |
|
struct ath6kl_urb_context *urb_context = urb->context; |
|
struct ath6kl_usb_pipe *pipe = urb_context->pipe; |
|
struct sk_buff *skb; |
|
|
|
ath6kl_dbg(ATH6KL_DBG_USB_BULK, |
|
"%s: pipe: %d, stat:%d, len:%d\n", |
|
__func__, pipe->logical_pipe_num, urb->status, |
|
urb->actual_length); |
|
|
|
if (urb->status != 0) { |
|
ath6kl_dbg(ATH6KL_DBG_USB_BULK, |
|
"%s: pipe: %d, failed:%d\n", |
|
__func__, pipe->logical_pipe_num, urb->status); |
|
} |
|
|
|
skb = urb_context->skb; |
|
urb_context->skb = NULL; |
|
ath6kl_usb_free_urb_to_pipe(urb_context->pipe, urb_context); |
|
|
|
/* note: queue implements a lock */ |
|
skb_queue_tail(&pipe->io_comp_queue, skb); |
|
schedule_work(&pipe->io_complete_work); |
|
} |
|
|
|
static void ath6kl_usb_io_comp_work(struct work_struct *work) |
|
{ |
|
struct ath6kl_usb_pipe *pipe = container_of(work, |
|
struct ath6kl_usb_pipe, |
|
io_complete_work); |
|
struct ath6kl_usb *ar_usb; |
|
struct sk_buff *skb; |
|
|
|
ar_usb = pipe->ar_usb; |
|
|
|
while ((skb = skb_dequeue(&pipe->io_comp_queue))) { |
|
if (pipe->flags & ATH6KL_USB_PIPE_FLAG_TX) { |
|
ath6kl_dbg(ATH6KL_DBG_USB_BULK, |
|
"ath6kl usb xmit callback buf:0x%p\n", skb); |
|
ath6kl_core_tx_complete(ar_usb->ar, skb); |
|
} else { |
|
ath6kl_dbg(ATH6KL_DBG_USB_BULK, |
|
"ath6kl usb recv callback buf:0x%p\n", skb); |
|
ath6kl_core_rx_complete(ar_usb->ar, skb, |
|
pipe->logical_pipe_num); |
|
} |
|
} |
|
} |
|
|
|
#define ATH6KL_USB_MAX_DIAG_CMD (sizeof(struct ath6kl_usb_ctrl_diag_cmd_write)) |
|
#define ATH6KL_USB_MAX_DIAG_RESP (sizeof(struct ath6kl_usb_ctrl_diag_resp_read)) |
|
|
|
static void ath6kl_usb_destroy(struct ath6kl_usb *ar_usb) |
|
{ |
|
ath6kl_usb_flush_all(ar_usb); |
|
|
|
ath6kl_usb_cleanup_pipe_resources(ar_usb); |
|
|
|
usb_set_intfdata(ar_usb->interface, NULL); |
|
|
|
kfree(ar_usb->diag_cmd_buffer); |
|
kfree(ar_usb->diag_resp_buffer); |
|
|
|
kfree(ar_usb); |
|
} |
|
|
|
static struct ath6kl_usb *ath6kl_usb_create(struct usb_interface *interface) |
|
{ |
|
struct usb_device *dev = interface_to_usbdev(interface); |
|
struct ath6kl_usb *ar_usb; |
|
struct ath6kl_usb_pipe *pipe; |
|
int status = 0; |
|
int i; |
|
|
|
ar_usb = kzalloc(sizeof(struct ath6kl_usb), GFP_KERNEL); |
|
if (ar_usb == NULL) |
|
goto fail_ath6kl_usb_create; |
|
|
|
usb_set_intfdata(interface, ar_usb); |
|
spin_lock_init(&(ar_usb->cs_lock)); |
|
ar_usb->udev = dev; |
|
ar_usb->interface = interface; |
|
|
|
for (i = 0; i < ATH6KL_USB_PIPE_MAX; i++) { |
|
pipe = &ar_usb->pipes[i]; |
|
INIT_WORK(&pipe->io_complete_work, |
|
ath6kl_usb_io_comp_work); |
|
skb_queue_head_init(&pipe->io_comp_queue); |
|
} |
|
|
|
ar_usb->diag_cmd_buffer = kzalloc(ATH6KL_USB_MAX_DIAG_CMD, GFP_KERNEL); |
|
if (ar_usb->diag_cmd_buffer == NULL) { |
|
status = -ENOMEM; |
|
goto fail_ath6kl_usb_create; |
|
} |
|
|
|
ar_usb->diag_resp_buffer = kzalloc(ATH6KL_USB_MAX_DIAG_RESP, |
|
GFP_KERNEL); |
|
if (ar_usb->diag_resp_buffer == NULL) { |
|
status = -ENOMEM; |
|
goto fail_ath6kl_usb_create; |
|
} |
|
|
|
status = ath6kl_usb_setup_pipe_resources(ar_usb); |
|
|
|
fail_ath6kl_usb_create: |
|
if (status != 0) { |
|
ath6kl_usb_destroy(ar_usb); |
|
ar_usb = NULL; |
|
} |
|
return ar_usb; |
|
} |
|
|
|
static void ath6kl_usb_device_detached(struct usb_interface *interface) |
|
{ |
|
struct ath6kl_usb *ar_usb; |
|
|
|
ar_usb = usb_get_intfdata(interface); |
|
if (ar_usb == NULL) |
|
return; |
|
|
|
ath6kl_stop_txrx(ar_usb->ar); |
|
|
|
/* Delay to wait for the target to reboot */ |
|
mdelay(20); |
|
ath6kl_core_cleanup(ar_usb->ar); |
|
ath6kl_usb_destroy(ar_usb); |
|
} |
|
|
|
/* exported hif usb APIs for htc pipe */ |
|
static void hif_start(struct ath6kl *ar) |
|
{ |
|
struct ath6kl_usb *device = ath6kl_usb_priv(ar); |
|
int i; |
|
|
|
ath6kl_usb_start_recv_pipes(device); |
|
|
|
/* set the TX resource avail threshold for each TX pipe */ |
|
for (i = ATH6KL_USB_PIPE_TX_CTRL; |
|
i <= ATH6KL_USB_PIPE_TX_DATA_HP; i++) { |
|
device->pipes[i].urb_cnt_thresh = |
|
device->pipes[i].urb_alloc / 2; |
|
} |
|
} |
|
|
|
static int ath6kl_usb_send(struct ath6kl *ar, u8 PipeID, |
|
struct sk_buff *hdr_skb, struct sk_buff *skb) |
|
{ |
|
struct ath6kl_usb *device = ath6kl_usb_priv(ar); |
|
struct ath6kl_usb_pipe *pipe = &device->pipes[PipeID]; |
|
struct ath6kl_urb_context *urb_context; |
|
int usb_status, status = 0; |
|
struct urb *urb; |
|
u8 *data; |
|
u32 len; |
|
|
|
ath6kl_dbg(ATH6KL_DBG_USB_BULK, "+%s pipe : %d, buf:0x%p\n", |
|
__func__, PipeID, skb); |
|
|
|
urb_context = ath6kl_usb_alloc_urb_from_pipe(pipe); |
|
|
|
if (urb_context == NULL) { |
|
/* |
|
* TODO: it is possible to run out of urbs if |
|
* 2 endpoints map to the same pipe ID |
|
*/ |
|
ath6kl_dbg(ATH6KL_DBG_USB_BULK, |
|
"%s pipe:%d no urbs left. URB Cnt : %d\n", |
|
__func__, PipeID, pipe->urb_cnt); |
|
status = -ENOMEM; |
|
goto fail_hif_send; |
|
} |
|
|
|
urb_context->skb = skb; |
|
|
|
data = skb->data; |
|
len = skb->len; |
|
|
|
urb = usb_alloc_urb(0, GFP_ATOMIC); |
|
if (urb == NULL) { |
|
status = -ENOMEM; |
|
ath6kl_usb_free_urb_to_pipe(urb_context->pipe, |
|
urb_context); |
|
goto fail_hif_send; |
|
} |
|
|
|
usb_fill_bulk_urb(urb, |
|
device->udev, |
|
pipe->usb_pipe_handle, |
|
data, |
|
len, |
|
ath6kl_usb_usb_transmit_complete, urb_context); |
|
|
|
if ((len % pipe->max_packet_size) == 0) { |
|
/* hit a max packet boundary on this pipe */ |
|
urb->transfer_flags |= URB_ZERO_PACKET; |
|
} |
|
|
|
ath6kl_dbg(ATH6KL_DBG_USB_BULK, |
|
"athusb bulk send submit:%d, 0x%X (ep:0x%2.2X), %d bytes\n", |
|
pipe->logical_pipe_num, pipe->usb_pipe_handle, |
|
pipe->ep_address, len); |
|
|
|
usb_anchor_urb(urb, &pipe->urb_submitted); |
|
usb_status = usb_submit_urb(urb, GFP_ATOMIC); |
|
|
|
if (usb_status) { |
|
ath6kl_dbg(ATH6KL_DBG_USB_BULK, |
|
"ath6kl usb : usb bulk transmit failed %d\n", |
|
usb_status); |
|
usb_unanchor_urb(urb); |
|
ath6kl_usb_free_urb_to_pipe(urb_context->pipe, |
|
urb_context); |
|
status = -EINVAL; |
|
} |
|
usb_free_urb(urb); |
|
|
|
fail_hif_send: |
|
return status; |
|
} |
|
|
|
static void hif_stop(struct ath6kl *ar) |
|
{ |
|
struct ath6kl_usb *device = ath6kl_usb_priv(ar); |
|
|
|
ath6kl_usb_flush_all(device); |
|
} |
|
|
|
static void ath6kl_usb_get_default_pipe(struct ath6kl *ar, |
|
u8 *ul_pipe, u8 *dl_pipe) |
|
{ |
|
*ul_pipe = ATH6KL_USB_PIPE_TX_CTRL; |
|
*dl_pipe = ATH6KL_USB_PIPE_RX_CTRL; |
|
} |
|
|
|
static int ath6kl_usb_map_service_pipe(struct ath6kl *ar, u16 svc_id, |
|
u8 *ul_pipe, u8 *dl_pipe) |
|
{ |
|
int status = 0; |
|
|
|
switch (svc_id) { |
|
case HTC_CTRL_RSVD_SVC: |
|
case WMI_CONTROL_SVC: |
|
*ul_pipe = ATH6KL_USB_PIPE_TX_CTRL; |
|
/* due to large control packets, shift to data pipe */ |
|
*dl_pipe = ATH6KL_USB_PIPE_RX_DATA; |
|
break; |
|
case WMI_DATA_BE_SVC: |
|
case WMI_DATA_BK_SVC: |
|
*ul_pipe = ATH6KL_USB_PIPE_TX_DATA_LP; |
|
/* |
|
* Disable rxdata2 directly, it will be enabled |
|
* if FW enable rxdata2 |
|
*/ |
|
*dl_pipe = ATH6KL_USB_PIPE_RX_DATA; |
|
break; |
|
case WMI_DATA_VI_SVC: |
|
|
|
if (test_bit(ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT, |
|
ar->fw_capabilities)) |
|
*ul_pipe = ATH6KL_USB_PIPE_TX_DATA_LP; |
|
else |
|
*ul_pipe = ATH6KL_USB_PIPE_TX_DATA_MP; |
|
/* |
|
* Disable rxdata2 directly, it will be enabled |
|
* if FW enable rxdata2 |
|
*/ |
|
*dl_pipe = ATH6KL_USB_PIPE_RX_DATA; |
|
break; |
|
case WMI_DATA_VO_SVC: |
|
|
|
if (test_bit(ATH6KL_FW_CAPABILITY_MAP_LP_ENDPOINT, |
|
ar->fw_capabilities)) |
|
*ul_pipe = ATH6KL_USB_PIPE_TX_DATA_LP; |
|
else |
|
*ul_pipe = ATH6KL_USB_PIPE_TX_DATA_MP; |
|
/* |
|
* Disable rxdata2 directly, it will be enabled |
|
* if FW enable rxdata2 |
|
*/ |
|
*dl_pipe = ATH6KL_USB_PIPE_RX_DATA; |
|
break; |
|
default: |
|
status = -EPERM; |
|
break; |
|
} |
|
|
|
return status; |
|
} |
|
|
|
static u16 ath6kl_usb_get_free_queue_number(struct ath6kl *ar, u8 pipe_id) |
|
{ |
|
struct ath6kl_usb *device = ath6kl_usb_priv(ar); |
|
|
|
return device->pipes[pipe_id].urb_cnt; |
|
} |
|
|
|
static void hif_detach_htc(struct ath6kl *ar) |
|
{ |
|
struct ath6kl_usb *device = ath6kl_usb_priv(ar); |
|
|
|
ath6kl_usb_flush_all(device); |
|
} |
|
|
|
static int ath6kl_usb_submit_ctrl_out(struct ath6kl_usb *ar_usb, |
|
u8 req, u16 value, u16 index, void *data, |
|
u32 size) |
|
{ |
|
u8 *buf = NULL; |
|
int ret; |
|
|
|
if (size > 0) { |
|
buf = kmemdup(data, size, GFP_KERNEL); |
|
if (buf == NULL) |
|
return -ENOMEM; |
|
} |
|
|
|
/* note: if successful returns number of bytes transfered */ |
|
ret = usb_control_msg(ar_usb->udev, |
|
usb_sndctrlpipe(ar_usb->udev, 0), |
|
req, |
|
USB_DIR_OUT | USB_TYPE_VENDOR | |
|
USB_RECIP_DEVICE, value, index, buf, |
|
size, 1000); |
|
|
|
if (ret < 0) { |
|
ath6kl_warn("Failed to submit usb control message: %d\n", ret); |
|
kfree(buf); |
|
return ret; |
|
} |
|
|
|
kfree(buf); |
|
|
|
return 0; |
|
} |
|
|
|
static int ath6kl_usb_submit_ctrl_in(struct ath6kl_usb *ar_usb, |
|
u8 req, u16 value, u16 index, void *data, |
|
u32 size) |
|
{ |
|
u8 *buf = NULL; |
|
int ret; |
|
|
|
if (size > 0) { |
|
buf = kmalloc(size, GFP_KERNEL); |
|
if (buf == NULL) |
|
return -ENOMEM; |
|
} |
|
|
|
/* note: if successful returns number of bytes transfered */ |
|
ret = usb_control_msg(ar_usb->udev, |
|
usb_rcvctrlpipe(ar_usb->udev, 0), |
|
req, |
|
USB_DIR_IN | USB_TYPE_VENDOR | |
|
USB_RECIP_DEVICE, value, index, buf, |
|
size, 2 * HZ); |
|
|
|
if (ret < 0) { |
|
ath6kl_warn("Failed to read usb control message: %d\n", ret); |
|
kfree(buf); |
|
return ret; |
|
} |
|
|
|
memcpy((u8 *) data, buf, size); |
|
|
|
kfree(buf); |
|
|
|
return 0; |
|
} |
|
|
|
static int ath6kl_usb_ctrl_msg_exchange(struct ath6kl_usb *ar_usb, |
|
u8 req_val, u8 *req_buf, u32 req_len, |
|
u8 resp_val, u8 *resp_buf, u32 *resp_len) |
|
{ |
|
int ret; |
|
|
|
/* send command */ |
|
ret = ath6kl_usb_submit_ctrl_out(ar_usb, req_val, 0, 0, |
|
req_buf, req_len); |
|
|
|
if (ret != 0) |
|
return ret; |
|
|
|
if (resp_buf == NULL) { |
|
/* no expected response */ |
|
return ret; |
|
} |
|
|
|
/* get response */ |
|
ret = ath6kl_usb_submit_ctrl_in(ar_usb, resp_val, 0, 0, |
|
resp_buf, *resp_len); |
|
|
|
return ret; |
|
} |
|
|
|
static int ath6kl_usb_diag_read32(struct ath6kl *ar, u32 address, u32 *data) |
|
{ |
|
struct ath6kl_usb *ar_usb = ar->hif_priv; |
|
struct ath6kl_usb_ctrl_diag_resp_read *resp; |
|
struct ath6kl_usb_ctrl_diag_cmd_read *cmd; |
|
u32 resp_len; |
|
int ret; |
|
|
|
cmd = (struct ath6kl_usb_ctrl_diag_cmd_read *) ar_usb->diag_cmd_buffer; |
|
|
|
memset(cmd, 0, sizeof(*cmd)); |
|
cmd->cmd = ATH6KL_USB_CTRL_DIAG_CC_READ; |
|
cmd->address = cpu_to_le32(address); |
|
resp_len = sizeof(*resp); |
|
|
|
ret = ath6kl_usb_ctrl_msg_exchange(ar_usb, |
|
ATH6KL_USB_CONTROL_REQ_DIAG_CMD, |
|
(u8 *) cmd, |
|
sizeof(struct ath6kl_usb_ctrl_diag_cmd_write), |
|
ATH6KL_USB_CONTROL_REQ_DIAG_RESP, |
|
ar_usb->diag_resp_buffer, &resp_len); |
|
|
|
if (ret) { |
|
ath6kl_warn("diag read32 failed: %d\n", ret); |
|
return ret; |
|
} |
|
|
|
resp = (struct ath6kl_usb_ctrl_diag_resp_read *) |
|
ar_usb->diag_resp_buffer; |
|
|
|
*data = le32_to_cpu(resp->value); |
|
|
|
return ret; |
|
} |
|
|
|
static int ath6kl_usb_diag_write32(struct ath6kl *ar, u32 address, __le32 data) |
|
{ |
|
struct ath6kl_usb *ar_usb = ar->hif_priv; |
|
struct ath6kl_usb_ctrl_diag_cmd_write *cmd; |
|
int ret; |
|
|
|
cmd = (struct ath6kl_usb_ctrl_diag_cmd_write *) ar_usb->diag_cmd_buffer; |
|
|
|
memset(cmd, 0, sizeof(struct ath6kl_usb_ctrl_diag_cmd_write)); |
|
cmd->cmd = cpu_to_le32(ATH6KL_USB_CTRL_DIAG_CC_WRITE); |
|
cmd->address = cpu_to_le32(address); |
|
cmd->value = data; |
|
|
|
ret = ath6kl_usb_ctrl_msg_exchange(ar_usb, |
|
ATH6KL_USB_CONTROL_REQ_DIAG_CMD, |
|
(u8 *) cmd, |
|
sizeof(*cmd), |
|
0, NULL, NULL); |
|
if (ret) { |
|
ath6kl_warn("diag_write32 failed: %d\n", ret); |
|
return ret; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int ath6kl_usb_bmi_read(struct ath6kl *ar, u8 *buf, u32 len) |
|
{ |
|
struct ath6kl_usb *ar_usb = ar->hif_priv; |
|
int ret; |
|
|
|
/* get response */ |
|
ret = ath6kl_usb_submit_ctrl_in(ar_usb, |
|
ATH6KL_USB_CONTROL_REQ_RECV_BMI_RESP, |
|
0, 0, buf, len); |
|
if (ret) { |
|
ath6kl_err("Unable to read the bmi data from the device: %d\n", |
|
ret); |
|
return ret; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int ath6kl_usb_bmi_write(struct ath6kl *ar, u8 *buf, u32 len) |
|
{ |
|
struct ath6kl_usb *ar_usb = ar->hif_priv; |
|
int ret; |
|
|
|
/* send command */ |
|
ret = ath6kl_usb_submit_ctrl_out(ar_usb, |
|
ATH6KL_USB_CONTROL_REQ_SEND_BMI_CMD, |
|
0, 0, buf, len); |
|
if (ret) { |
|
ath6kl_err("unable to send the bmi data to the device: %d\n", |
|
ret); |
|
return ret; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int ath6kl_usb_power_on(struct ath6kl *ar) |
|
{ |
|
hif_start(ar); |
|
return 0; |
|
} |
|
|
|
static int ath6kl_usb_power_off(struct ath6kl *ar) |
|
{ |
|
hif_detach_htc(ar); |
|
return 0; |
|
} |
|
|
|
static void ath6kl_usb_stop(struct ath6kl *ar) |
|
{ |
|
hif_stop(ar); |
|
} |
|
|
|
static void ath6kl_usb_cleanup_scatter(struct ath6kl *ar) |
|
{ |
|
/* |
|
* USB doesn't support it. Just return. |
|
*/ |
|
return; |
|
} |
|
|
|
static int ath6kl_usb_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow) |
|
{ |
|
/* |
|
* cfg80211 suspend/WOW currently not supported for USB. |
|
*/ |
|
return 0; |
|
} |
|
|
|
static int ath6kl_usb_resume(struct ath6kl *ar) |
|
{ |
|
/* |
|
* cfg80211 resume currently not supported for USB. |
|
*/ |
|
return 0; |
|
} |
|
|
|
static const struct ath6kl_hif_ops ath6kl_usb_ops = { |
|
.diag_read32 = ath6kl_usb_diag_read32, |
|
.diag_write32 = ath6kl_usb_diag_write32, |
|
.bmi_read = ath6kl_usb_bmi_read, |
|
.bmi_write = ath6kl_usb_bmi_write, |
|
.power_on = ath6kl_usb_power_on, |
|
.power_off = ath6kl_usb_power_off, |
|
.stop = ath6kl_usb_stop, |
|
.pipe_send = ath6kl_usb_send, |
|
.pipe_get_default = ath6kl_usb_get_default_pipe, |
|
.pipe_map_service = ath6kl_usb_map_service_pipe, |
|
.pipe_get_free_queue_number = ath6kl_usb_get_free_queue_number, |
|
.cleanup_scatter = ath6kl_usb_cleanup_scatter, |
|
.suspend = ath6kl_usb_suspend, |
|
.resume = ath6kl_usb_resume, |
|
}; |
|
|
|
/* ath6kl usb driver registered functions */ |
|
static int ath6kl_usb_probe(struct usb_interface *interface, |
|
const struct usb_device_id *id) |
|
{ |
|
struct usb_device *dev = interface_to_usbdev(interface); |
|
struct ath6kl *ar; |
|
struct ath6kl_usb *ar_usb = NULL; |
|
int vendor_id, product_id; |
|
int ret = 0; |
|
|
|
usb_get_dev(dev); |
|
|
|
vendor_id = le16_to_cpu(dev->descriptor.idVendor); |
|
product_id = le16_to_cpu(dev->descriptor.idProduct); |
|
|
|
ath6kl_dbg(ATH6KL_DBG_USB, "vendor_id = %04x\n", vendor_id); |
|
ath6kl_dbg(ATH6KL_DBG_USB, "product_id = %04x\n", product_id); |
|
|
|
if (interface->cur_altsetting) |
|
ath6kl_dbg(ATH6KL_DBG_USB, "USB Interface %d\n", |
|
interface->cur_altsetting->desc.bInterfaceNumber); |
|
|
|
|
|
if (dev->speed == USB_SPEED_HIGH) |
|
ath6kl_dbg(ATH6KL_DBG_USB, "USB 2.0 Host\n"); |
|
else |
|
ath6kl_dbg(ATH6KL_DBG_USB, "USB 1.1 Host\n"); |
|
|
|
ar_usb = ath6kl_usb_create(interface); |
|
|
|
if (ar_usb == NULL) { |
|
ret = -ENOMEM; |
|
goto err_usb_put; |
|
} |
|
|
|
ar = ath6kl_core_create(&ar_usb->udev->dev); |
|
if (ar == NULL) { |
|
ath6kl_err("Failed to alloc ath6kl core\n"); |
|
ret = -ENOMEM; |
|
goto err_usb_destroy; |
|
} |
|
|
|
ar->hif_priv = ar_usb; |
|
ar->hif_type = ATH6KL_HIF_TYPE_USB; |
|
ar->hif_ops = &ath6kl_usb_ops; |
|
ar->mbox_info.block_size = 16; |
|
ar->bmi.max_data_size = 252; |
|
|
|
ar_usb->ar = ar; |
|
|
|
ret = ath6kl_core_init(ar, ATH6KL_HTC_TYPE_PIPE); |
|
if (ret) { |
|
ath6kl_err("Failed to init ath6kl core: %d\n", ret); |
|
goto err_core_free; |
|
} |
|
|
|
return ret; |
|
|
|
err_core_free: |
|
ath6kl_core_destroy(ar); |
|
err_usb_destroy: |
|
ath6kl_usb_destroy(ar_usb); |
|
err_usb_put: |
|
usb_put_dev(dev); |
|
|
|
return ret; |
|
} |
|
|
|
static void ath6kl_usb_remove(struct usb_interface *interface) |
|
{ |
|
usb_put_dev(interface_to_usbdev(interface)); |
|
ath6kl_usb_device_detached(interface); |
|
} |
|
|
|
#ifdef CONFIG_PM |
|
|
|
static int ath6kl_usb_pm_suspend(struct usb_interface *interface, |
|
pm_message_t message) |
|
{ |
|
struct ath6kl_usb *device; |
|
device = usb_get_intfdata(interface); |
|
|
|
ath6kl_usb_flush_all(device); |
|
return 0; |
|
} |
|
|
|
static int ath6kl_usb_pm_resume(struct usb_interface *interface) |
|
{ |
|
struct ath6kl_usb *device; |
|
device = usb_get_intfdata(interface); |
|
|
|
ath6kl_usb_post_recv_transfers(&device->pipes[ATH6KL_USB_PIPE_RX_DATA], |
|
ATH6KL_USB_RX_BUFFER_SIZE); |
|
ath6kl_usb_post_recv_transfers(&device->pipes[ATH6KL_USB_PIPE_RX_DATA2], |
|
ATH6KL_USB_RX_BUFFER_SIZE); |
|
|
|
return 0; |
|
} |
|
|
|
#else |
|
|
|
#define ath6kl_usb_pm_suspend NULL |
|
#define ath6kl_usb_pm_resume NULL |
|
|
|
#endif |
|
|
|
/* table of devices that work with this driver */ |
|
static const struct usb_device_id ath6kl_usb_ids[] = { |
|
{USB_DEVICE(0x0cf3, 0x9375)}, |
|
{USB_DEVICE(0x0cf3, 0x9374)}, |
|
{ /* Terminating entry */ }, |
|
}; |
|
|
|
MODULE_DEVICE_TABLE(usb, ath6kl_usb_ids); |
|
|
|
static struct usb_driver ath6kl_usb_driver = { |
|
.name = "ath6kl_usb", |
|
.probe = ath6kl_usb_probe, |
|
.suspend = ath6kl_usb_pm_suspend, |
|
.resume = ath6kl_usb_pm_resume, |
|
.disconnect = ath6kl_usb_remove, |
|
.id_table = ath6kl_usb_ids, |
|
.supports_autosuspend = true, |
|
.disable_hub_initiated_lpm = 1, |
|
}; |
|
|
|
module_usb_driver(ath6kl_usb_driver); |
|
|
|
MODULE_AUTHOR("Atheros Communications, Inc."); |
|
MODULE_DESCRIPTION("Driver support for Atheros AR600x USB devices"); |
|
MODULE_LICENSE("Dual BSD/GPL"); |
|
MODULE_FIRMWARE(AR6004_HW_1_0_FIRMWARE_FILE); |
|
MODULE_FIRMWARE(AR6004_HW_1_0_BOARD_DATA_FILE); |
|
MODULE_FIRMWARE(AR6004_HW_1_0_DEFAULT_BOARD_DATA_FILE); |
|
MODULE_FIRMWARE(AR6004_HW_1_1_FIRMWARE_FILE); |
|
MODULE_FIRMWARE(AR6004_HW_1_1_BOARD_DATA_FILE); |
|
MODULE_FIRMWARE(AR6004_HW_1_1_DEFAULT_BOARD_DATA_FILE); |
|
MODULE_FIRMWARE(AR6004_HW_1_2_FIRMWARE_FILE); |
|
MODULE_FIRMWARE(AR6004_HW_1_2_BOARD_DATA_FILE); |
|
MODULE_FIRMWARE(AR6004_HW_1_2_DEFAULT_BOARD_DATA_FILE); |
|
MODULE_FIRMWARE(AR6004_HW_1_3_FW_DIR "/" AR6004_HW_1_3_FIRMWARE_FILE); |
|
MODULE_FIRMWARE(AR6004_HW_1_3_BOARD_DATA_FILE); |
|
MODULE_FIRMWARE(AR6004_HW_1_3_DEFAULT_BOARD_DATA_FILE);
|
|
|