cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

hif_usb.h (3811B)

      1/*
      2 * Copyright (c) 2010-2011 Atheros Communications Inc.
      3 *
      4 * Permission to use, copy, modify, and/or distribute this software for any
      5 * purpose with or without fee is hereby granted, provided that the above
      6 * copyright notice and this permission notice appear in all copies.
      7 *
      8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
      9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     15 */
     16
     17#ifndef HTC_USB_H
     18#define HTC_USB_H
     19
     20/* old firmware images */
     21#define FIRMWARE_AR7010_1_1     "htc_7010.fw"
     22#define FIRMWARE_AR9271         "htc_9271.fw"
     23
     24/* supported Major FW version */
     25#define MAJOR_VERSION_REQ 1
     26#define MINOR_VERSION_REQ 3
     27/* minimal and maximal supported Minor FW version. */
     28#define FIRMWARE_MINOR_IDX_MAX  4
     29#define FIRMWARE_MINOR_IDX_MIN  3
     30#define HTC_FW_PATH	"ath9k_htc"
     31
     32#define HTC_9271_MODULE_FW  HTC_FW_PATH "/htc_9271-" \
     33			__stringify(MAJOR_VERSION_REQ) \
     34			"." __stringify(FIRMWARE_MINOR_IDX_MAX) ".0.fw"
     35#define HTC_7010_MODULE_FW  HTC_FW_PATH "/htc_7010-" \
     36			__stringify(MAJOR_VERSION_REQ) \
     37			"." __stringify(FIRMWARE_MINOR_IDX_MAX) ".0.fw"
     38
     39extern int htc_use_dev_fw;
     40
     41#define IS_AR7010_DEVICE(_v) (((_v) == AR9280_USB) || ((_v) == AR9287_USB))
     42
     43#define AR9271_FIRMWARE       0x501000
     44#define AR9271_FIRMWARE_TEXT  0x903000
     45#define AR7010_FIRMWARE_TEXT  0x906000
     46
     47#define FIRMWARE_DOWNLOAD       0x30
     48#define FIRMWARE_DOWNLOAD_COMP  0x31
     49
     50#define ATH_USB_RX_STREAM_MODE_TAG 0x4e00
     51#define ATH_USB_TX_STREAM_MODE_TAG 0x697e
     52
     53/* FIXME: Verify these numbers (with Windows) */
     54#define MAX_TX_URB_NUM  8
     55#define MAX_TX_BUF_NUM  256
     56#define MAX_TX_BUF_SIZE 32768
     57#define MAX_TX_AGGR_NUM 20
     58
     59#define MAX_RX_URB_NUM  8
     60#define MAX_RX_BUF_SIZE 16384
     61#define MAX_PKT_NUM_IN_TRANSFER 10
     62
     63#define MAX_REG_OUT_URB_NUM  1
     64#define MAX_REG_IN_URB_NUM   64
     65
     66#define MAX_REG_IN_BUF_SIZE 64
     67
     68/* USB Endpoint definition */
     69#define USB_WLAN_TX_PIPE  1
     70#define USB_WLAN_RX_PIPE  2
     71#define USB_REG_IN_PIPE   3
     72#define USB_REG_OUT_PIPE  4
     73
     74#define USB_MSG_TIMEOUT 1000 /* (ms) */
     75
     76#define HIF_USB_MAX_RXPIPES 2
     77#define HIF_USB_MAX_TXPIPES 4
     78
     79struct tx_buf {
     80	u8 *buf;
     81	u16 len;
     82	u16 offset;
     83	struct urb *urb;
     84	struct sk_buff_head skb_queue;
     85	struct hif_device_usb *hif_dev;
     86	struct list_head list;
     87};
     88
     89struct rx_buf {
     90	struct sk_buff *skb;
     91	struct hif_device_usb *hif_dev;
     92};
     93
     94#define HIF_USB_TX_STOP  BIT(0)
     95#define HIF_USB_TX_FLUSH BIT(1)
     96
     97struct hif_usb_tx {
     98	u8 flags;
     99	u8 tx_buf_cnt;
    100	u16 tx_skb_cnt;
    101	struct sk_buff_head tx_skb_queue;
    102	struct list_head tx_buf;
    103	struct list_head tx_pending;
    104	spinlock_t tx_lock;
    105};
    106
    107struct cmd_buf {
    108	struct sk_buff *skb;
    109	struct hif_device_usb *hif_dev;
    110};
    111
    112#define HIF_USB_START BIT(0)
    113#define HIF_USB_READY BIT(1)
    114
    115struct hif_device_usb {
    116	struct usb_device *udev;
    117	struct usb_interface *interface;
    118	const struct usb_device_id *usb_device_id;
    119	const void *fw_data;
    120	size_t fw_size;
    121	struct completion fw_done;
    122	struct htc_target *htc_handle;
    123	struct hif_usb_tx tx;
    124	struct usb_anchor regout_submitted;
    125	struct usb_anchor rx_submitted;
    126	struct usb_anchor reg_in_submitted;
    127	struct usb_anchor mgmt_submitted;
    128	struct sk_buff *remain_skb;
    129	char fw_name[32];
    130	int fw_minor_index;
    131	int rx_remain_len;
    132	int rx_pkt_len;
    133	int rx_transfer_len;
    134	int rx_pad_len;
    135	spinlock_t rx_lock;
    136	u8 flags; /* HIF_USB_* */
    137};
    138
    139int ath9k_hif_usb_init(void);
    140void ath9k_hif_usb_exit(void);
    141void ath9k_hif_usb_dealloc_urbs(struct hif_device_usb *hif_dev);
    142
    143#endif /* HTC_USB_H */