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11#ifndef PCAN_USB_CORE_H
12#define PCAN_USB_CORE_H
13
14
15#define PCAN_USB_VENDOR_ID 0x0c72
16
17
18#define PCAN_USB_PRODUCT_ID 0x000c
19#define PCAN_USBPRO_PRODUCT_ID 0x000d
20#define PCAN_USBPROFD_PRODUCT_ID 0x0011
21#define PCAN_USBFD_PRODUCT_ID 0x0012
22#define PCAN_USBCHIP_PRODUCT_ID 0x0013
23#define PCAN_USBX6_PRODUCT_ID 0x0014
24
25#define PCAN_USB_DRIVER_NAME "peak_usb"
26
27
28#define PCAN_USB_MAX_RX_URBS 4
29#define PCAN_USB_MAX_TX_URBS 10
30
31
32#define PCAN_USB_MAX_CHANNEL 2
33
34
35#define PCAN_USB_MAX_CMD_LEN 32
36
37struct peak_usb_device;
38
39
40struct peak_usb_adapter {
41 char *name;
42 u32 device_id;
43 u32 ctrlmode_supported;
44 struct can_clock clock;
45 const struct can_bittiming_const * const bittiming_const;
46 const struct can_bittiming_const * const data_bittiming_const;
47 unsigned int ctrl_count;
48
49 const struct ethtool_ops *ethtool_ops;
50
51 int (*intf_probe)(struct usb_interface *intf);
52
53 int (*dev_init)(struct peak_usb_device *dev);
54 void (*dev_exit)(struct peak_usb_device *dev);
55 void (*dev_free)(struct peak_usb_device *dev);
56 int (*dev_open)(struct peak_usb_device *dev);
57 int (*dev_close)(struct peak_usb_device *dev);
58 int (*dev_set_bittiming)(struct peak_usb_device *dev,
59 struct can_bittiming *bt);
60 int (*dev_set_data_bittiming)(struct peak_usb_device *dev,
61 struct can_bittiming *bt);
62 int (*dev_set_bus)(struct peak_usb_device *dev, u8 onoff);
63 int (*dev_get_device_id)(struct peak_usb_device *dev, u32 *device_id);
64 int (*dev_decode_buf)(struct peak_usb_device *dev, struct urb *urb);
65 int (*dev_encode_msg)(struct peak_usb_device *dev, struct sk_buff *skb,
66 u8 *obuf, size_t *size);
67 int (*dev_start)(struct peak_usb_device *dev);
68 int (*dev_stop)(struct peak_usb_device *dev);
69 int (*dev_restart_async)(struct peak_usb_device *dev, struct urb *urb,
70 u8 *buf);
71 int (*do_get_berr_counter)(const struct net_device *netdev,
72 struct can_berr_counter *bec);
73 u8 ep_msg_in;
74 u8 ep_msg_out[PCAN_USB_MAX_CHANNEL];
75 u8 ts_used_bits;
76 u8 us_per_ts_shift;
77 u32 us_per_ts_scale;
78
79 int rx_buffer_size;
80 int tx_buffer_size;
81 int sizeof_dev_private;
82};
83
84extern const struct peak_usb_adapter pcan_usb;
85extern const struct peak_usb_adapter pcan_usb_pro;
86extern const struct peak_usb_adapter pcan_usb_fd;
87extern const struct peak_usb_adapter pcan_usb_chip;
88extern const struct peak_usb_adapter pcan_usb_pro_fd;
89extern const struct peak_usb_adapter pcan_usb_x6;
90
91struct peak_time_ref {
92 ktime_t tv_host_0, tv_host;
93 u32 ts_dev_1, ts_dev_2;
94 u64 ts_total;
95 u32 tick_count;
96 const struct peak_usb_adapter *adapter;
97};
98
99struct peak_tx_urb_context {
100 struct peak_usb_device *dev;
101 u32 echo_index;
102 u8 data_len;
103 struct urb *urb;
104};
105
106#define PCAN_USB_STATE_CONNECTED 0x00000001
107#define PCAN_USB_STATE_STARTED 0x00000002
108
109
110struct peak_usb_device {
111 struct can_priv can;
112 const struct peak_usb_adapter *adapter;
113 unsigned int ctrl_idx;
114 u32 state;
115
116 struct usb_device *udev;
117 struct net_device *netdev;
118
119 atomic_t active_tx_urbs;
120 struct usb_anchor tx_submitted;
121 struct peak_tx_urb_context tx_contexts[PCAN_USB_MAX_TX_URBS];
122
123 u8 *cmd_buf;
124 struct usb_anchor rx_submitted;
125
126 u32 device_number;
127 u8 device_rev;
128
129 u8 ep_msg_in;
130 u8 ep_msg_out;
131
132 struct peak_usb_device *prev_siblings;
133 struct peak_usb_device *next_siblings;
134};
135
136void pcan_dump_mem(char *prompt, void *p, int l);
137
138
139void peak_usb_init_time_ref(struct peak_time_ref *time_ref,
140 const struct peak_usb_adapter *adapter);
141void peak_usb_update_ts_now(struct peak_time_ref *time_ref, u32 ts_now);
142void peak_usb_set_ts_now(struct peak_time_ref *time_ref, u32 ts_now);
143void peak_usb_get_ts_time(struct peak_time_ref *time_ref, u32 ts, ktime_t *tv);
144int peak_usb_netif_rx(struct sk_buff *skb,
145 struct peak_time_ref *time_ref, u32 ts_low);
146void peak_usb_async_complete(struct urb *urb);
147void peak_usb_restart_complete(struct peak_usb_device *dev);
148
149#endif
150