4 #define VS_DATA_PACKET_HEADER 0xff
5 #define VS_CONTROL_PACKET_HEADER 0xfe
6 #define VS_QUERY_PACKET_HEADER 0xfd
7 #define VS_QUERY_RESPONSE_PACKET_HEADER 0xfc
10 #define VSV_SET_MODEM_CTL 1 /* to service processor only */
11 #define VSV_MODEM_CTL_UPDATE 2 /* from service processor only */
12 #define VSV_CLOSE_PROTOCOL 3
15 #define VSV_SEND_VERSION_NUMBER 1
16 #define VSV_SEND_MODEM_CTL_STATUS 2
18 /* yes, these masks are not consecutive. */
19 #define HVSI_TSDTR 0x01
20 #define HVSI_TSCD 0x20
22 #define HVSI_MAX_OUTGOING_DATA 12
23 #define HVSI_VERSION 1
29 } __attribute__((packed));
32 struct hvsi_header hdr;
33 uint8_t data[HVSI_MAX_OUTGOING_DATA];
34 } __attribute__((packed));
37 struct hvsi_header hdr;
39 /* optional depending on verb: */
42 } __attribute__((packed));
45 struct hvsi_header hdr;
47 } __attribute__((packed));
49 struct hvsi_query_response {
50 struct hvsi_header hdr;
57 } __attribute__((packed));
59 /* hvsi lib struct definitions */
60 #define HVSI_INBUF_SIZE 255
63 unsigned int inbuf_len; /* data in input buffer */
64 unsigned char inbuf[HVSI_INBUF_SIZE];
65 unsigned int inbuf_cur; /* Cursor in input buffer */
66 unsigned int inbuf_pktlen; /* packet lenght from cursor */
67 atomic_t seqno; /* packet sequence number */
68 unsigned int opened:1; /* driver opened */
69 unsigned int established:1; /* protocol established */
70 unsigned int is_console:1; /* used as a kernel console device */
71 unsigned int mctrl_update:1; /* modem control updated */
72 unsigned short mctrl; /* modem control */
73 struct tty_struct *tty; /* tty structure */
74 int (*get_chars)(uint32_t termno, char *buf, int count);
75 int (*put_chars)(uint32_t termno, const char *buf, int count);
79 /* hvsi lib functions */
81 extern void hvsilib_init(struct hvsi_priv *pv,
82 int (*get_chars)(uint32_t termno, char *buf, int count),
83 int (*put_chars)(uint32_t termno, const char *buf,
85 int termno, int is_console);
86 extern int hvsilib_open(struct hvsi_priv *pv, struct hvc_struct *hp);
87 extern void hvsilib_close(struct hvsi_priv *pv, struct hvc_struct *hp);
88 extern int hvsilib_read_mctrl(struct hvsi_priv *pv);
89 extern int hvsilib_write_mctrl(struct hvsi_priv *pv, int dtr);
90 extern void hvsilib_establish(struct hvsi_priv *pv);
91 extern int hvsilib_get_chars(struct hvsi_priv *pv, char *buf, int count);
92 extern int hvsilib_put_chars(struct hvsi_priv *pv, const char *buf, int count);