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usb_serial.h (187176) usb_serial.h (188413)
1/* $NetBSD: ucomvar.h,v 1.9 2001/01/23 21:56:17 augustss Exp $ */
1/* $NetBSD: ucomvar.h,v 1.9 2001/01/23 21:56:17 augustss Exp $ */
2/* $FreeBSD: head/sys/dev/usb2/serial/usb2_serial.h 187176 2009-01-13 19:03:47Z thompsa $ */
2/* $FreeBSD: head/sys/dev/usb2/serial/usb2_serial.h 188413 2009-02-09 22:05:25Z thompsa $ */
3
4/*-
5 * Copyright (c) 2001-2002, Shunsuke Akiyama <akiyama@jp.FreeBSD.org>.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:

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74
75/* Module interface related macros */
76#define UCOM_MODVER 1
77
78#define UCOM_MINVER 1
79#define UCOM_PREFVER UCOM_MODVER
80#define UCOM_MAXVER 1
81
3
4/*-
5 * Copyright (c) 2001-2002, Shunsuke Akiyama <akiyama@jp.FreeBSD.org>.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:

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74
75/* Module interface related macros */
76#define UCOM_MODVER 1
77
78#define UCOM_MINVER 1
79#define UCOM_PREFVER UCOM_MODVER
80#define UCOM_MAXVER 1
81
82struct usb2_device;
82struct usb2_com_softc;
83struct usb2_com_softc;
84struct usb2_device_request;
83struct thread;
84
85struct thread;
86
85/* NOTE: Only callbacks with "_cfg_" in its name are called
86 * from a config thread, and are allowed to sleep! The other
87 * callbacks are _not_ allowed to sleep!
88 *
87/*
89 * NOTE: There is no guarantee that "usb2_com_cfg_close()" will
90 * be called after "usb2_com_cfg_open()" if the device is detached
91 * while it is open!
92 */
93struct usb2_com_callback {
94 void (*usb2_com_cfg_get_status) (struct usb2_com_softc *, uint8_t *plsr, uint8_t *pmsr);
95 void (*usb2_com_cfg_set_dtr) (struct usb2_com_softc *, uint8_t);
96 void (*usb2_com_cfg_set_rts) (struct usb2_com_softc *, uint8_t);

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114#define ULSR_TXRDY 0x20 /* Transmitter buffer empty */
115#define ULSR_BI 0x10 /* Break detected */
116#define ULSR_FE 0x08 /* Framing error: bad stop bit */
117#define ULSR_PE 0x04 /* Parity error */
118#define ULSR_OE 0x02 /* Overrun, lost incoming byte */
119#define ULSR_RXRDY 0x01 /* Byte ready in Receive Buffer */
120#define ULSR_RCV_MASK 0x1f /* Mask for incoming data or error */
121
88 * NOTE: There is no guarantee that "usb2_com_cfg_close()" will
89 * be called after "usb2_com_cfg_open()" if the device is detached
90 * while it is open!
91 */
92struct usb2_com_callback {
93 void (*usb2_com_cfg_get_status) (struct usb2_com_softc *, uint8_t *plsr, uint8_t *pmsr);
94 void (*usb2_com_cfg_set_dtr) (struct usb2_com_softc *, uint8_t);
95 void (*usb2_com_cfg_set_rts) (struct usb2_com_softc *, uint8_t);

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113#define ULSR_TXRDY 0x20 /* Transmitter buffer empty */
114#define ULSR_BI 0x10 /* Break detected */
115#define ULSR_FE 0x08 /* Framing error: bad stop bit */
116#define ULSR_PE 0x04 /* Parity error */
117#define ULSR_OE 0x02 /* Overrun, lost incoming byte */
118#define ULSR_RXRDY 0x01 /* Byte ready in Receive Buffer */
119#define ULSR_RCV_MASK 0x1f /* Mask for incoming data or error */
120
122/*
123 * List of serial adapter commands or deferred function calls:
124 */
125enum {
126 USB_COM_CFG_START_TRANSFERS,
127 USB_COM_CFG_OPEN,
128 USB_COM_CFG_CLOSE,
129 USB_COM_CFG_BREAK_ON,
130 USB_COM_CFG_BREAK_OFF,
131 USB_COM_CFG_DTR_ON,
132 USB_COM_CFG_DTR_OFF,
133 USB_COM_CFG_RTS_ON,
134 USB_COM_CFG_RTS_OFF,
135 USB_COM_CFG_STATUS_CHANGE,
136 USB_COM_CFG_PARAM,
137 USB_COM_CFG_MAX,
121struct usb2_com_cfg_task {
122 struct usb2_proc_msg hdr;
123 struct usb2_com_softc *sc;
138};
139
124};
125
140struct usb2_com_command_msg {
141 struct usb2_proc_msg hdr; /* must be first */
142 struct usb2_com_softc *cc_softc;
126struct usb2_com_param_task {
127 struct usb2_proc_msg hdr;
128 struct usb2_com_softc *sc;
129 struct termios termios_copy;
143};
144
145struct usb2_com_super_softc {
130};
131
132struct usb2_com_super_softc {
146 struct usb2_process sc_config_td;
133 struct usb2_process sc_tq;
147};
148
149struct usb2_com_softc {
134};
135
136struct usb2_com_softc {
150 struct usb2_com_command_msg sc_cmds[2*USB_COM_CFG_MAX];
151 struct termios sc_termios_copy;
137 /*
138 * NOTE: To avoid loosing level change information we use two
139 * tasks instead of one for all commands.
140 *
141 * Level changes are transitions like:
142 *
143 * ON->OFF
144 * OFF->ON
145 * OPEN->CLOSE
146 * CLOSE->OPEN
147 */
148 struct usb2_com_cfg_task sc_start_task[2];
149 struct usb2_com_cfg_task sc_open_task[2];
150 struct usb2_com_cfg_task sc_close_task[2];
151 struct usb2_com_cfg_task sc_line_state_task[2];
152 struct usb2_com_cfg_task sc_status_task[2];
153 struct usb2_com_param_task sc_param_task[2];
152 struct cv sc_cv;
153 const struct usb2_com_callback *sc_callback;
154 struct usb2_com_super_softc *sc_super;
155 struct tty *sc_tty;
154 struct cv sc_cv;
155 const struct usb2_com_callback *sc_callback;
156 struct usb2_com_super_softc *sc_super;
157 struct tty *sc_tty;
156 struct mtx *sc_parent_mtx;
158 struct mtx *sc_mtx;
157 void *sc_parent;
158 uint32_t sc_unit;
159 uint32_t sc_local_unit;
160 uint16_t sc_portno;
161 uint8_t sc_flag;
162#define UCOM_FLAG_RTS_IFLOW 0x01 /* use RTS input flow control */
163#define UCOM_FLAG_GONE 0x02 /* the device is gone */
164#define UCOM_FLAG_ATTACHED 0x04 /* set if attached */
165#define UCOM_FLAG_GP_DATA 0x08 /* set if get and put data is possible */
166#define UCOM_FLAG_WR_START 0x10 /* set if write start was issued */
167#define UCOM_FLAG_LL_READY 0x20 /* set if low layer is ready */
168#define UCOM_FLAG_HL_READY 0x40 /* set if high layer is ready */
169 uint8_t sc_lsr;
170 uint8_t sc_msr;
171 uint8_t sc_mcr;
172 uint8_t sc_ttyfreed; /* set when TTY has been freed */
159 void *sc_parent;
160 uint32_t sc_unit;
161 uint32_t sc_local_unit;
162 uint16_t sc_portno;
163 uint8_t sc_flag;
164#define UCOM_FLAG_RTS_IFLOW 0x01 /* use RTS input flow control */
165#define UCOM_FLAG_GONE 0x02 /* the device is gone */
166#define UCOM_FLAG_ATTACHED 0x04 /* set if attached */
167#define UCOM_FLAG_GP_DATA 0x08 /* set if get and put data is possible */
168#define UCOM_FLAG_WR_START 0x10 /* set if write start was issued */
169#define UCOM_FLAG_LL_READY 0x20 /* set if low layer is ready */
170#define UCOM_FLAG_HL_READY 0x40 /* set if high layer is ready */
171 uint8_t sc_lsr;
172 uint8_t sc_msr;
173 uint8_t sc_mcr;
174 uint8_t sc_ttyfreed; /* set when TTY has been freed */
173 uint8_t sc_last_cmd_flag[USB_COM_CFG_MAX];
175 /* programmed line state bits */
176 uint8_t sc_pls_set; /* set bits */
177 uint8_t sc_pls_clr; /* cleared bits */
178 uint8_t sc_pls_curr; /* last state */
179#define UCOM_LS_DTR 0x01
180#define UCOM_LS_RTS 0x02
181#define UCOM_LS_BREAK 0x04
174};
175
182};
183
176int usb2_com_attach(struct usb2_com_super_softc *ssc,
177 struct usb2_com_softc *sc, uint32_t sub_units, void *parent,
178 const struct usb2_com_callback *callback, struct mtx *p_mtx);
179void usb2_com_detach(struct usb2_com_super_softc *ssc,
180 struct usb2_com_softc *sc, uint32_t sub_units);
181void usb2_com_status_change(struct usb2_com_softc *);
182uint8_t usb2_com_get_data(struct usb2_com_softc *sc, struct usb2_page_cache *pc,
183 uint32_t offset, uint32_t len, uint32_t *actlen);
184void usb2_com_put_data(struct usb2_com_softc *sc, struct usb2_page_cache *pc,
185 uint32_t offset, uint32_t len);
186uint8_t usb2_com_cfg_sleep(struct usb2_com_softc *sc, uint32_t timeout);
187uint8_t usb2_com_cfg_is_gone(struct usb2_com_softc *sc);
184#define usb2_com_cfg_do_request(udev,com,req,ptr,flags,timo) \
185 usb2_do_request_proc(udev,&(com)->sc_super->sc_tq,req,ptr,flags,NULL,timo)
188
186
187int usb2_com_attach(struct usb2_com_super_softc *,
188 struct usb2_com_softc *, uint32_t, void *,
189 const struct usb2_com_callback *callback, struct mtx *);
190void usb2_com_detach(struct usb2_com_super_softc *,
191 struct usb2_com_softc *, uint32_t);
192void usb2_com_status_change(struct usb2_com_softc *);
193uint8_t usb2_com_get_data(struct usb2_com_softc *, struct usb2_page_cache *,
194 uint32_t, uint32_t, uint32_t *);
195void usb2_com_put_data(struct usb2_com_softc *, struct usb2_page_cache *,
196 uint32_t, uint32_t);
197uint8_t usb2_com_cfg_is_gone(struct usb2_com_softc *);
189#endif /* _USB2_SERIAL_H_ */
198#endif /* _USB2_SERIAL_H_ */