summaryrefslogtreecommitdiff
path: root/drivers/isdn/gigaset/gigaset.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/isdn/gigaset/gigaset.h')
-rw-r--r--drivers/isdn/gigaset/gigaset.h830
1 files changed, 0 insertions, 830 deletions
diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h
deleted file mode 100644
index 166537e2dfca..000000000000
--- a/drivers/isdn/gigaset/gigaset.h
+++ /dev/null
@@ -1,830 +0,0 @@
-/*
- * Siemens Gigaset 307x driver
- * Common header file for all connection variants
- *
- * Written by Stefan Eilers
- * and Hansjoerg Lipp <hjlipp@web.de>
- *
- * =====================================================================
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- * =====================================================================
- */
-
-#ifndef GIGASET_H
-#define GIGASET_H
-
-/* define global prefix for pr_ macros in linux/kernel.h */
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/compiler.h>
-#include <linux/types.h>
-#include <linux/ctype.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
-#include <linux/ppp_defs.h>
-#include <linux/timer.h>
-#include <linux/interrupt.h>
-#include <linux/tty.h>
-#include <linux/tty_driver.h>
-#include <linux/list.h>
-#include <linux/atomic.h>
-
-#define GIG_VERSION {0, 5, 0, 0}
-#define GIG_COMPAT {0, 4, 0, 0}
-
-#define MAX_REC_PARAMS 10 /* Max. number of params in response string */
-#define MAX_RESP_SIZE 511 /* Max. size of a response string */
-
-#define MAX_EVENTS 64 /* size of event queue */
-
-#define RBUFSIZE 8192
-
-#define GIG_TICK 100 /* in milliseconds */
-
-/* timeout values (unit: 1 sec) */
-#define INIT_TIMEOUT 1
-
-/* timeout values (unit: 0.1 sec) */
-#define RING_TIMEOUT 3 /* for additional parameters to RING */
-#define BAS_TIMEOUT 20 /* for response to Base USB ops */
-#define ATRDY_TIMEOUT 3 /* for HD_READY_SEND_ATDATA */
-
-#define BAS_RETRY 3 /* max. retries for base USB ops */
-
-#define MAXACT 3
-
-extern int gigaset_debuglevel; /* "needs" cast to (enum debuglevel) */
-
-/* debug flags, combine by adding/bitwise OR */
-enum debuglevel {
- DEBUG_INTR = 0x00008, /* interrupt processing */
- DEBUG_CMD = 0x00020, /* sent/received LL commands */
- DEBUG_STREAM = 0x00040, /* application data stream I/O events */
- DEBUG_STREAM_DUMP = 0x00080, /* application data stream content */
- DEBUG_LLDATA = 0x00100, /* sent/received LL data */
- DEBUG_EVENT = 0x00200, /* event processing */
- DEBUG_HDLC = 0x00800, /* M10x HDLC processing */
- DEBUG_CHANNEL = 0x01000, /* channel allocation/deallocation */
- DEBUG_TRANSCMD = 0x02000, /* AT-COMMANDS+RESPONSES */
- DEBUG_MCMD = 0x04000, /* COMMANDS THAT ARE SENT VERY OFTEN */
- DEBUG_INIT = 0x08000, /* (de)allocation+initialization of data
- structures */
- DEBUG_SUSPEND = 0x10000, /* suspend/resume processing */
- DEBUG_OUTPUT = 0x20000, /* output to device */
- DEBUG_ISO = 0x40000, /* isochronous transfers */
- DEBUG_IF = 0x80000, /* character device operations */
- DEBUG_USBREQ = 0x100000, /* USB communication (except payload
- data) */
- DEBUG_LOCKCMD = 0x200000, /* AT commands and responses when
- MS_LOCKED */
-
- DEBUG_ANY = 0x3fffff, /* print message if any of the others is
- activated */
-};
-
-#ifdef CONFIG_GIGASET_DEBUG
-
-#define gig_dbg(level, format, arg...) \
- do { \
- if (unlikely(((enum debuglevel)gigaset_debuglevel) & (level))) \
- printk(KERN_DEBUG KBUILD_MODNAME ": " format "\n", \
- ## arg); \
- } while (0)
-#define DEBUG_DEFAULT (DEBUG_TRANSCMD | DEBUG_CMD | DEBUG_USBREQ)
-
-#else
-
-#define gig_dbg(level, format, arg...) do {} while (0)
-#define DEBUG_DEFAULT 0
-
-#endif
-
-void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg,
- size_t len, const unsigned char *buf);
-
-/* connection state */
-#define ZSAU_NONE 0
-#define ZSAU_PROCEEDING 1
-#define ZSAU_CALL_DELIVERED 2
-#define ZSAU_ACTIVE 3
-#define ZSAU_DISCONNECT_IND 4
-#define ZSAU_NULL 5
-#define ZSAU_DISCONNECT_REQ 6
-#define ZSAU_UNKNOWN -1
-
-/* USB control transfer requests */
-#define OUT_VENDOR_REQ (USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT)
-#define IN_VENDOR_REQ (USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT)
-
-/* interrupt pipe messages */
-#define HD_B1_FLOW_CONTROL 0x80
-#define HD_B2_FLOW_CONTROL 0x81
-#define HD_RECEIVEATDATA_ACK (0x35) /* 3070 */
-#define HD_READY_SEND_ATDATA (0x36) /* 3070 */
-#define HD_OPEN_ATCHANNEL_ACK (0x37) /* 3070 */
-#define HD_CLOSE_ATCHANNEL_ACK (0x38) /* 3070 */
-#define HD_DEVICE_INIT_OK (0x11) /* ISurf USB + 3070 */
-#define HD_OPEN_B1CHANNEL_ACK (0x51) /* ISurf USB + 3070 */
-#define HD_OPEN_B2CHANNEL_ACK (0x52) /* ISurf USB + 3070 */
-#define HD_CLOSE_B1CHANNEL_ACK (0x53) /* ISurf USB + 3070 */
-#define HD_CLOSE_B2CHANNEL_ACK (0x54) /* ISurf USB + 3070 */
-#define HD_SUSPEND_END (0x61) /* ISurf USB */
-#define HD_RESET_INTERRUPT_PIPE_ACK (0xFF) /* ISurf USB + 3070 */
-
-/* control requests */
-#define HD_OPEN_B1CHANNEL (0x23) /* ISurf USB + 3070 */
-#define HD_CLOSE_B1CHANNEL (0x24) /* ISurf USB + 3070 */
-#define HD_OPEN_B2CHANNEL (0x25) /* ISurf USB + 3070 */
-#define HD_CLOSE_B2CHANNEL (0x26) /* ISurf USB + 3070 */
-#define HD_RESET_INTERRUPT_PIPE (0x27) /* ISurf USB + 3070 */
-#define HD_DEVICE_INIT_ACK (0x34) /* ISurf USB + 3070 */
-#define HD_WRITE_ATMESSAGE (0x12) /* 3070 */
-#define HD_READ_ATMESSAGE (0x13) /* 3070 */
-#define HD_OPEN_ATCHANNEL (0x28) /* 3070 */
-#define HD_CLOSE_ATCHANNEL (0x29) /* 3070 */
-
-/* number of B channels supported by base driver */
-#define BAS_CHANNELS 2
-
-/* USB frames for isochronous transfer */
-#define BAS_FRAMETIME 1 /* number of milliseconds between frames */
-#define BAS_NUMFRAMES 8 /* number of frames per URB */
-#define BAS_MAXFRAME 16 /* allocated bytes per frame */
-#define BAS_NORMFRAME 8 /* send size without flow control */
-#define BAS_HIGHFRAME 10 /* " " with positive flow control */
-#define BAS_LOWFRAME 5 /* " " with negative flow control */
-#define BAS_CORRFRAMES 4 /* flow control multiplicator */
-
-#define BAS_INBUFSIZE (BAS_MAXFRAME * BAS_NUMFRAMES) /* size of isoc in buf
- * per URB */
-#define BAS_OUTBUFSIZE 4096 /* size of common isoc out buffer */
-#define BAS_OUTBUFPAD BAS_MAXFRAME /* size of pad area for isoc out buf */
-
-#define BAS_INURBS 3
-#define BAS_OUTURBS 3
-
-/* variable commands in struct bc_state */
-#define AT_ISO 0
-#define AT_DIAL 1
-#define AT_MSN 2
-#define AT_BC 3
-#define AT_PROTO 4
-#define AT_TYPE 5
-#define AT_CLIP 6
-/* total number */
-#define AT_NUM 7
-
-/* variables in struct at_state_t */
-/* - numeric */
-#define VAR_ZSAU 0
-#define VAR_ZDLE 1
-#define VAR_ZCTP 2
-/* total number */
-#define VAR_NUM 3
-/* - string */
-#define STR_NMBR 0
-#define STR_ZCPN 1
-#define STR_ZCON 2
-#define STR_ZBC 3
-#define STR_ZHLC 4
-/* total number */
-#define STR_NUM 5
-
-/* event types */
-#define EV_TIMEOUT -105
-#define EV_IF_VER -106
-#define EV_PROC_CIDMODE -107
-#define EV_SHUTDOWN -108
-#define EV_START -110
-#define EV_STOP -111
-#define EV_IF_LOCK -112
-#define EV_ACCEPT -114
-#define EV_DIAL -115
-#define EV_HUP -116
-#define EV_BC_OPEN -117
-#define EV_BC_CLOSED -118
-
-/* input state */
-#define INS_command 0x0001 /* receiving messages (not payload data) */
-#define INS_DLE_char 0x0002 /* DLE flag received (in DLE mode) */
-#define INS_byte_stuff 0x0004
-#define INS_have_data 0x0008
-#define INS_DLE_command 0x0020 /* DLE message start (<DLE> X) received */
-#define INS_flag_hunt 0x0040
-
-/* channel state */
-#define CHS_D_UP 0x01
-#define CHS_B_UP 0x02
-#define CHS_NOTIFY_LL 0x04
-
-#define ICALL_REJECT 0
-#define ICALL_ACCEPT 1
-#define ICALL_IGNORE 2
-
-/* device state */
-#define MS_UNINITIALIZED 0
-#define MS_INIT 1
-#define MS_LOCKED 2
-#define MS_SHUTDOWN 3
-#define MS_RECOVER 4
-#define MS_READY 5
-
-/* mode */
-#define M_UNKNOWN 0
-#define M_CONFIG 1
-#define M_UNIMODEM 2
-#define M_CID 3
-
-/* start mode */
-#define SM_LOCKED 0
-#define SM_ISDN 1 /* default */
-
-/* layer 2 protocols (AT^SBPR=...) */
-#define L2_BITSYNC 0
-#define L2_HDLC 1
-#define L2_VOICE 2
-
-struct gigaset_ops;
-struct gigaset_driver;
-
-struct usb_cardstate;
-struct ser_cardstate;
-struct bas_cardstate;
-
-struct bc_state;
-struct usb_bc_state;
-struct ser_bc_state;
-struct bas_bc_state;
-
-struct reply_t {
- int resp_code; /* RSP_XXXX */
- int min_ConState; /* <0 => ignore */
- int max_ConState; /* <0 => ignore */
- int parameter; /* e.g. ZSAU_XXXX <0: ignore*/
- int new_ConState; /* <0 => ignore */
- int timeout; /* >0 => *HZ; <=0 => TOUT_XXXX*/
- int action[MAXACT]; /* ACT_XXXX */
- char *command; /* NULL==none */
-};
-
-extern struct reply_t gigaset_tab_cid[];
-extern struct reply_t gigaset_tab_nocid[];
-
-struct inbuf_t {
- struct cardstate *cs;
- int inputstate;
- int head, tail;
- unsigned char data[RBUFSIZE];
-};
-
-/* isochronous write buffer structure
- * circular buffer with pad area for extraction of complete USB frames
- * - data[read..nextread-1] is valid data already submitted to the USB subsystem
- * - data[nextread..write-1] is valid data yet to be sent
- * - data[write] is the next byte to write to
- * - in byte-oriented L2 procotols, it is completely free
- * - in bit-oriented L2 procotols, it may contain a partial byte of valid data
- * - data[write+1..read-1] is free
- * - wbits is the number of valid data bits in data[write], starting at the LSB
- * - writesem is the semaphore for writing to the buffer:
- * if writesem <= 0, data[write..read-1] is currently being written to
- * - idle contains the byte value to repeat when the end of valid data is
- * reached; if nextread==write (buffer contains no data to send), either the
- * BAS_OUTBUFPAD bytes immediately before data[write] (if
- * write>=BAS_OUTBUFPAD) or those of the pad area (if write<BAS_OUTBUFPAD)
- * are also filled with that value
- */
-struct isowbuf_t {
- int read;
- int nextread;
- int write;
- atomic_t writesem;
- int wbits;
- unsigned char data[BAS_OUTBUFSIZE + BAS_OUTBUFPAD];
- unsigned char idle;
-};
-
-/* isochronous write URB context structure
- * data to be stored along with the URB and retrieved when it is returned
- * as completed by the USB subsystem
- * - urb: pointer to the URB itself
- * - bcs: pointer to the B Channel control structure
- * - limit: end of write buffer area covered by this URB
- * - status: URB completion status
- */
-struct isow_urbctx_t {
- struct urb *urb;
- struct bc_state *bcs;
- int limit;
- int status;
-};
-
-/* AT state structure
- * data associated with the state of an ISDN connection, whether or not
- * it is currently assigned a B channel
- */
-struct at_state_t {
- struct list_head list;
- int waiting;
- int getstring;
- unsigned timer_index;
- unsigned long timer_expires;
- int timer_active;
- unsigned int ConState; /* State of connection */
- struct reply_t *replystruct;
- int cid;
- int int_var[VAR_NUM]; /* see VAR_XXXX */
- char *str_var[STR_NUM]; /* see STR_XXXX */
- unsigned pending_commands; /* see PC_XXXX */
- unsigned seq_index;
-
- struct cardstate *cs;
- struct bc_state *bcs;
-};
-
-struct event_t {
- int type;
- void *ptr, *arg;
- int parameter;
- int cid;
- struct at_state_t *at_state;
-};
-
-/* This buffer holds all information about the used B-Channel */
-struct bc_state {
- struct sk_buff *tx_skb; /* Current transfer buffer to modem */
- struct sk_buff_head squeue; /* B-Channel send Queue */
-
- /* Variables for debugging .. */
- int corrupted; /* Counter for corrupted packages */
- int trans_down; /* Counter of packages (downstream) */
- int trans_up; /* Counter of packages (upstream) */
-
- struct at_state_t at_state;
-
- /* receive buffer */
- unsigned rx_bufsize; /* max size accepted by application */
- struct sk_buff *rx_skb;
- __u16 rx_fcs;
- int inputstate; /* see INS_XXXX */
-
- int channel;
-
- struct cardstate *cs;
-
- unsigned chstate; /* bitmap (CHS_*) */
- int ignore;
- unsigned proto2; /* layer 2 protocol (L2_*) */
- char *commands[AT_NUM]; /* see AT_XXXX */
-
-#ifdef CONFIG_GIGASET_DEBUG
- int emptycount;
-#endif
- int busy;
- int use_count;
-
- /* private data of hardware drivers */
- union {
- struct ser_bc_state *ser; /* serial hardware driver */
- struct usb_bc_state *usb; /* usb hardware driver (m105) */
- struct bas_bc_state *bas; /* usb hardware driver (base) */
- } hw;
-
- void *ap; /* associated LL application */
- int apconnstate; /* LL application connection state */
- spinlock_t aplock;
-};
-
-struct cardstate {
- struct gigaset_driver *driver;
- unsigned minor_index;
- struct device *dev;
- struct device *tty_dev;
- unsigned flags;
-
- const struct gigaset_ops *ops;
-
- /* Stuff to handle communication */
- wait_queue_head_t waitqueue;
- int waiting;
- int mode; /* see M_XXXX */
- int mstate; /* Modem state: see MS_XXXX */
- /* only changed by the event layer */
- int cmd_result;
-
- int channels;
- struct bc_state *bcs; /* Array of struct bc_state */
-
- int onechannel; /* data and commands transmitted in one
- stream (M10x) */
-
- spinlock_t lock;
- struct at_state_t at_state; /* at_state_t for cid == 0 */
- struct list_head temp_at_states;/* list of temporary "struct
- at_state_t"s without B channel */
-
- struct inbuf_t *inbuf;
-
- struct cmdbuf_t *cmdbuf, *lastcmdbuf;
- spinlock_t cmdlock;
- unsigned curlen, cmdbytes;
-
- struct tty_port port;
- struct tasklet_struct if_wake_tasklet;
- unsigned control_state;
-
- unsigned fwver[4];
- int gotfwver;
-
- unsigned running; /* !=0 if events are handled */
- unsigned connected; /* !=0 if hardware is connected */
- unsigned isdn_up; /* !=0 after gigaset_isdn_start() */
-
- unsigned cidmode;
-
- int myid; /* id for communication with LL */
- void *iif; /* LL interface structure */
- unsigned short hw_hdr_len; /* headroom needed in data skbs */
-
- struct reply_t *tabnocid;
- struct reply_t *tabcid;
- int cs_init;
- int ignoreframes; /* frames to ignore after setting up the
- B channel */
- struct mutex mutex; /* locks this structure:
- * connected is not changed,
- * hardware_up is not changed,
- * MState is not changed to or from
- * MS_LOCKED */
-
- struct timer_list timer;
- int retry_count;
- int dle; /* !=0 if DLE mode is active
- (ZDLE=1 received -- M10x only) */
- int cur_at_seq; /* sequence of AT commands being
- processed */
- int curchannel; /* channel those commands are meant
- for */
- int commands_pending; /* flag(s) in xxx.commands_pending have
- been set */
- struct tasklet_struct
- event_tasklet; /* tasklet for serializing AT commands.
- * Scheduled
- * -> for modem reponses (and
- * incoming data for M10x)
- * -> on timeout
- * -> after setting bits in
- * xxx.at_state.pending_command
- * (e.g. command from LL) */
- struct tasklet_struct
- write_tasklet; /* tasklet for serial output
- * (not used in base driver) */
-
- /* event queue */
- struct event_t events[MAX_EVENTS];
- unsigned ev_tail, ev_head;
- spinlock_t ev_lock;
-
- /* current modem response */
- unsigned char respdata[MAX_RESP_SIZE + 1];
- unsigned cbytes;
-
- /* private data of hardware drivers */
- union {
- struct usb_cardstate *usb; /* USB hardware driver (m105) */
- struct ser_cardstate *ser; /* serial hardware driver */
- struct bas_cardstate *bas; /* USB hardware driver (base) */
- } hw;
-};
-
-struct gigaset_driver {
- struct list_head list;
- spinlock_t lock; /* locks minor tables and blocked */
- struct tty_driver *tty;
- unsigned have_tty;
- unsigned minor;
- unsigned minors;
- struct cardstate *cs;
- int blocked;
-
- const struct gigaset_ops *ops;
- struct module *owner;
-};
-
-struct cmdbuf_t {
- struct cmdbuf_t *next, *prev;
- int len, offset;
- struct tasklet_struct *wake_tasklet;
- unsigned char buf[0];
-};
-
-struct bas_bc_state {
- /* isochronous output state */
- int running;
- atomic_t corrbytes;
- spinlock_t isooutlock;
- struct isow_urbctx_t isoouturbs[BAS_OUTURBS];
- struct isow_urbctx_t *isooutdone, *isooutfree, *isooutovfl;
- struct isowbuf_t *isooutbuf;
- unsigned numsub; /* submitted URB counter
- (for diagnostic messages only) */
- struct tasklet_struct sent_tasklet;
-
- /* isochronous input state */
- spinlock_t isoinlock;
- struct urb *isoinurbs[BAS_INURBS];
- unsigned char isoinbuf[BAS_INBUFSIZE * BAS_INURBS];
- struct urb *isoindone; /* completed isoc read URB */
- int isoinstatus; /* status of completed URB */
- int loststatus; /* status of dropped URB */
- unsigned isoinlost; /* number of bytes lost */
- /* state of bit unstuffing algorithm
- (in addition to BC_state.inputstate) */
- unsigned seqlen; /* number of '1' bits not yet
- unstuffed */
- unsigned inbyte, inbits; /* collected bits for next byte */
- /* statistics */
- unsigned goodbytes; /* bytes correctly received */
- unsigned alignerrs; /* frames with incomplete byte at end */
- unsigned fcserrs; /* FCS errors */
- unsigned frameerrs; /* framing errors */
- unsigned giants; /* long frames */
- unsigned runts; /* short frames */
- unsigned aborts; /* HDLC aborts */
- unsigned shared0s; /* '0' bits shared between flags */
- unsigned stolen0s; /* '0' stuff bits also serving as
- leading flag bits */
- struct tasklet_struct rcvd_tasklet;
-};
-
-struct gigaset_ops {
- /* Called from ev-layer.c/interface.c for sending AT commands to the
- device */
- int (*write_cmd)(struct cardstate *cs, struct cmdbuf_t *cb);
-
- /* Called from interface.c for additional device control */
- int (*write_room)(struct cardstate *cs);
- int (*chars_in_buffer)(struct cardstate *cs);
- int (*brkchars)(struct cardstate *cs, const unsigned char buf[6]);
-
- /* Called from ev-layer.c after setting up connection
- * Should call gigaset_bchannel_up(), when finished. */
- int (*init_bchannel)(struct bc_state *bcs);
-
- /* Called from ev-layer.c after hanging up
- * Should call gigaset_bchannel_down(), when finished. */
- int (*close_bchannel)(struct bc_state *bcs);
-
- /* Called by gigaset_initcs() for setting up bcs->hw.xxx */
- int (*initbcshw)(struct bc_state *bcs);
-
- /* Called by gigaset_freecs() for freeing bcs->hw.xxx */
- void (*freebcshw)(struct bc_state *bcs);
-
- /* Called by gigaset_bchannel_down() for resetting bcs->hw.xxx */
- void (*reinitbcshw)(struct bc_state *bcs);
-
- /* Called by gigaset_initcs() for setting up cs->hw.xxx */
- int (*initcshw)(struct cardstate *cs);
-
- /* Called by gigaset_freecs() for freeing cs->hw.xxx */
- void (*freecshw)(struct cardstate *cs);
-
- /* Called from common.c/interface.c for additional serial port
- control */
- int (*set_modem_ctrl)(struct cardstate *cs, unsigned old_state,
- unsigned new_state);
- int (*baud_rate)(struct cardstate *cs, unsigned cflag);
- int (*set_line_ctrl)(struct cardstate *cs, unsigned cflag);
-
- /* Called from LL interface to put an skb into the send-queue.
- * After sending is completed, gigaset_skb_sent() must be called
- * with the skb's link layer header preserved. */
- int (*send_skb)(struct bc_state *bcs, struct sk_buff *skb);
-
- /* Called from ev-layer.c to process a block of data
- * received through the common/control channel. */
- void (*handle_input)(struct inbuf_t *inbuf);
-
-};
-
-/* = Common structures and definitions =======================================
- */
-
-/* Parser states for DLE-Event:
- * <DLE-EVENT>: <DLE_FLAG> "X" <EVENT> <DLE_FLAG> "."
- * <DLE_FLAG>: 0x10
- * <EVENT>: ((a-z)* | (A-Z)* | (0-10)*)+
- */
-#define DLE_FLAG 0x10
-
-/* ===========================================================================
- * Functions implemented in asyncdata.c
- */
-
-/* Called from LL interface to put an skb into the send queue. */
-int gigaset_m10x_send_skb(struct bc_state *bcs, struct sk_buff *skb);
-
-/* Called from ev-layer.c to process a block of data
- * received through the common/control channel. */
-void gigaset_m10x_input(struct inbuf_t *inbuf);
-
-/* ===========================================================================
- * Functions implemented in isocdata.c
- */
-
-/* Called from LL interface to put an skb into the send queue. */
-int gigaset_isoc_send_skb(struct bc_state *bcs, struct sk_buff *skb);
-
-/* Called from ev-layer.c to process a block of data
- * received through the common/control channel. */
-void gigaset_isoc_input(struct inbuf_t *inbuf);
-
-/* Called from bas-gigaset.c to process a block of data
- * received through the isochronous channel */
-void gigaset_isoc_receive(unsigned char *src, unsigned count,
- struct bc_state *bcs);
-
-/* Called from bas-gigaset.c to put a block of data
- * into the isochronous output buffer */
-int gigaset_isoc_buildframe(struct bc_state *bcs, unsigned char *in, int len);
-
-/* Called from bas-gigaset.c to initialize the isochronous output buffer */
-void gigaset_isowbuf_init(struct isowbuf_t *iwb, unsigned char idle);
-
-/* Called from bas-gigaset.c to retrieve a block of bytes for sending */
-int gigaset_isowbuf_getbytes(struct isowbuf_t *iwb, int size);
-
-/* ===========================================================================
- * Functions implemented in LL interface
- */
-
-/* Called from common.c for setting up/shutting down with the ISDN subsystem */
-void gigaset_isdn_regdrv(void);
-void gigaset_isdn_unregdrv(void);
-int gigaset_isdn_regdev(struct cardstate *cs, const char *isdnid);
-void gigaset_isdn_unregdev(struct cardstate *cs);
-
-/* Called from hardware module to indicate completion of an skb */
-void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *skb);
-void gigaset_skb_rcvd(struct bc_state *bcs, struct sk_buff *skb);
-void gigaset_isdn_rcv_err(struct bc_state *bcs);
-
-/* Called from common.c/ev-layer.c to indicate events relevant to the LL */
-void gigaset_isdn_start(struct cardstate *cs);
-void gigaset_isdn_stop(struct cardstate *cs);
-int gigaset_isdn_icall(struct at_state_t *at_state);
-void gigaset_isdn_connD(struct bc_state *bcs);
-void gigaset_isdn_hupD(struct bc_state *bcs);
-void gigaset_isdn_connB(struct bc_state *bcs);
-void gigaset_isdn_hupB(struct bc_state *bcs);
-
-/* ===========================================================================
- * Functions implemented in ev-layer.c
- */
-
-/* tasklet called from common.c to process queued events */
-void gigaset_handle_event(unsigned long data);
-
-/* called from isocdata.c / asyncdata.c
- * when a complete modem response line has been received */
-void gigaset_handle_modem_response(struct cardstate *cs);
-
-/* ===========================================================================
- * Functions implemented in proc.c
- */
-
-/* initialize sysfs for device */
-void gigaset_init_dev_sysfs(struct cardstate *cs);
-void gigaset_free_dev_sysfs(struct cardstate *cs);
-
-/* ===========================================================================
- * Functions implemented in common.c/gigaset.h
- */
-
-void gigaset_bcs_reinit(struct bc_state *bcs);
-void gigaset_at_init(struct at_state_t *at_state, struct bc_state *bcs,
- struct cardstate *cs, int cid);
-int gigaset_get_channel(struct bc_state *bcs);
-struct bc_state *gigaset_get_free_channel(struct cardstate *cs);
-void gigaset_free_channel(struct bc_state *bcs);
-int gigaset_get_channels(struct cardstate *cs);
-void gigaset_free_channels(struct cardstate *cs);
-void gigaset_block_channels(struct cardstate *cs);
-
-/* Allocate and initialize driver structure. */
-struct gigaset_driver *gigaset_initdriver(unsigned minor, unsigned minors,
- const char *procname,
- const char *devname,
- const struct gigaset_ops *ops,
- struct module *owner);
-
-/* Deallocate driver structure. */
-void gigaset_freedriver(struct gigaset_driver *drv);
-
-struct cardstate *gigaset_get_cs_by_tty(struct tty_struct *tty);
-struct cardstate *gigaset_get_cs_by_id(int id);
-void gigaset_blockdriver(struct gigaset_driver *drv);
-
-/* Allocate and initialize card state. Calls hardware dependent
- gigaset_init[b]cs(). */
-struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
- int onechannel, int ignoreframes,
- int cidmode, const char *modulename);
-
-/* Free card state. Calls hardware dependent gigaset_free[b]cs(). */
-void gigaset_freecs(struct cardstate *cs);
-
-/* Tell common.c that hardware and driver are ready. */
-int gigaset_start(struct cardstate *cs);
-
-/* Tell common.c that the device is not present any more. */
-void gigaset_stop(struct cardstate *cs);
-
-/* Tell common.c that the driver is being unloaded. */
-int gigaset_shutdown(struct cardstate *cs);
-
-/* Append event to the queue.
- * Returns NULL on failure or a pointer to the event on success.
- * ptr must be kmalloc()ed (and not be freed by the caller).
- */
-struct event_t *gigaset_add_event(struct cardstate *cs,
- struct at_state_t *at_state, int type,
- void *ptr, int parameter, void *arg);
-
-/* Called on CONFIG1 command from frontend. */
-int gigaset_enterconfigmode(struct cardstate *cs);
-
-/* cs->lock must not be locked */
-static inline void gigaset_schedule_event(struct cardstate *cs)
-{
- unsigned long flags;
- spin_lock_irqsave(&cs->lock, flags);
- if (cs->running)
- tasklet_schedule(&cs->event_tasklet);
- spin_unlock_irqrestore(&cs->lock, flags);
-}
-
-/* Tell common.c that B channel has been closed. */
-/* cs->lock must not be locked */
-static inline void gigaset_bchannel_down(struct bc_state *bcs)
-{
- gigaset_add_event(bcs->cs, &bcs->at_state, EV_BC_CLOSED, NULL, 0, NULL);
- gigaset_schedule_event(bcs->cs);
-}
-
-/* Tell common.c that B channel has been opened. */
-/* cs->lock must not be locked */
-static inline void gigaset_bchannel_up(struct bc_state *bcs)
-{
- gigaset_add_event(bcs->cs, &bcs->at_state, EV_BC_OPEN, NULL, 0, NULL);
- gigaset_schedule_event(bcs->cs);
-}
-
-/* set up next receive skb for data mode */
-static inline struct sk_buff *gigaset_new_rx_skb(struct bc_state *bcs)
-{
- struct cardstate *cs = bcs->cs;
- unsigned short hw_hdr_len = cs->hw_hdr_len;
-
- if (bcs->ignore) {
- bcs->rx_skb = NULL;
- } else {
- bcs->rx_skb = dev_alloc_skb(bcs->rx_bufsize + hw_hdr_len);
- if (bcs->rx_skb == NULL)
- dev_warn(cs->dev, "could not allocate skb\n");
- else
- skb_reserve(bcs->rx_skb, hw_hdr_len);
- }
- return bcs->rx_skb;
-}
-
-/* append received bytes to inbuf */
-int gigaset_fill_inbuf(struct inbuf_t *inbuf, const unsigned char *src,
- unsigned numbytes);
-
-/* ===========================================================================
- * Functions implemented in interface.c
- */
-
-/* initialize interface */
-void gigaset_if_initdriver(struct gigaset_driver *drv, const char *procname,
- const char *devname);
-/* release interface */
-void gigaset_if_freedriver(struct gigaset_driver *drv);
-/* add minor */
-void gigaset_if_init(struct cardstate *cs);
-/* remove minor */
-void gigaset_if_free(struct cardstate *cs);
-/* device received data */
-void gigaset_if_receive(struct cardstate *cs,
- unsigned char *buffer, size_t len);
-
-#endif