summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/ath/ath9k/hif_usb.h
blob: 5985aa15ca931386d58e06fea36402f10835936d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
/*
 * 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;
};

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

#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);
void ath9k_hif_usb_dealloc_urbs(struct hif_device_usb *hif_dev);

#endif /* HTC_USB_H */