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Release 4.11 drivers/net/wireless/ath/ath9k/hif_usb.h

/*
 * Copyright (c) 2010-2011 Atheros Communications Inc.
 *
 * 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 HTC_USB_H

#define HTC_USB_H

/* old firmware images */

#define FIRMWARE_AR7010_1_1     "htc_7010.fw"

#define FIRMWARE_AR9271         "htc_9271.fw"

/* supported Major FW version */

#define MAJOR_VERSION_REQ 1

#define MINOR_VERSION_REQ 3
/* minimal and maximal supported Minor FW version. */

#define FIRMWARE_MINOR_IDX_MAX  4

#define FIRMWARE_MINOR_IDX_MIN  3

#define HTC_FW_PATH	"ath9k_htc"


#define HTC_9271_MODULE_FW  HTC_FW_PATH "/htc_9271-" \
                        __stringify(MAJOR_VERSION_REQ) \
                        "." __stringify(FIRMWARE_MINOR_IDX_MAX) ".0.fw"

#define HTC_7010_MODULE_FW  HTC_FW_PATH "/htc_7010-" \
                        __stringify(MAJOR_VERSION_REQ) \
                        "." __stringify(FIRMWARE_MINOR_IDX_MAX) ".0.fw"

extern int htc_use_dev_fw;


#define IS_AR7010_DEVICE(_v) (((_v) == AR9280_USB) || ((_v) == AR9287_USB))


#define AR9271_FIRMWARE       0x501000

#define AR9271_FIRMWARE_TEXT  0x903000

#define AR7010_FIRMWARE_TEXT  0x906000


#define FIRMWARE_DOWNLOAD       0x30

#define FIRMWARE_DOWNLOAD_COMP  0x31


#define ATH_USB_RX_STREAM_MODE_TAG 0x4e00

#define ATH_USB_TX_STREAM_MODE_TAG 0x697e

/* FIXME: Verify these numbers (with Windows) */

#define MAX_TX_URB_NUM  8

#define MAX_TX_BUF_NUM  256

#define MAX_TX_BUF_SIZE 32768

#define MAX_TX_AGGR_NUM 20


#define MAX_RX_URB_NUM  8

#define MAX_RX_BUF_SIZE 16384

#define MAX_PKT_NUM_IN_TRANSFER 10


#define MAX_REG_OUT_URB_NUM  1

#define MAX_REG_IN_URB_NUM   64


#define MAX_REG_IN_BUF_SIZE 64

/* USB Endpoint definition */

#define USB_WLAN_TX_PIPE  1

#define USB_WLAN_RX_PIPE  2

#define USB_REG_IN_PIPE   3

#define USB_REG_OUT_PIPE  4


#define USB_MSG_TIMEOUT 1000 
/* (ms) */


#define HIF_USB_MAX_RXPIPES 2

#define HIF_USB_MAX_TXPIPES 4


struct tx_buf {
	
u8 *buf;
	
u16 len;
	
u16 offset;
	
struct urb *urb;
	
struct sk_buff_head skb_queue;
	
struct hif_device_usb *hif_dev;
	
struct list_head list;
};


#define HIF_USB_TX_STOP  BIT(0)

#define HIF_USB_TX_FLUSH BIT(1)


struct hif_usb_tx {
	
u8 flags;
	
u8 tx_buf_cnt;
	
u16 tx_skb_cnt;
	
struct sk_buff_head tx_skb_queue;
	
struct list_head tx_buf;
	
struct list_head tx_pending;
	
spinlock_t tx_lock;
};


struct cmd_buf {
	
struct sk_buff *skb;
	
struct hif_device_usb *hif_dev;
};


#define HIF_USB_START BIT(0)

#define HIF_USB_READY BIT(1)


struct hif_device_usb {
	
struct usb_device *udev;
	
struct usb_interface *interface;
	
const struct usb_device_id *usb_device_id;
	
const void *fw_data;
	
size_t fw_size;
	
struct completion fw_done;
	
struct htc_target *htc_handle;
	
struct hif_usb_tx tx;
	
struct usb_anchor regout_submitted;
	
struct usb_anchor rx_submitted;
	
struct usb_anchor reg_in_submitted;
	
struct usb_anchor mgmt_submitted;
	
struct sk_buff *remain_skb;
	
char fw_name[32];
	
int fw_minor_index;
	
int rx_remain_len;
	
int rx_pkt_len;
	
int rx_transfer_len;
	
int rx_pad_len;
	
spinlock_t rx_lock;
	
u8 flags; /* HIF_USB_* */
};

int ath9k_hif_usb_init(void);
void ath9k_hif_usb_exit(void);

#endif /* HTC_USB_H */

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