diff options
Diffstat (limited to 'drivers/isdn/gigaset/gigaset.h')
| -rw-r--r-- | drivers/isdn/gigaset/gigaset.h | 470 |
1 files changed, 266 insertions, 204 deletions
diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h index 729edcdb6dac..d34f0023ac74 100644 --- a/drivers/isdn/gigaset/gigaset.h +++ b/drivers/isdn/gigaset/gigaset.h @@ -1,11 +1,16 @@ -/* Siemens Gigaset 307x driver +/* + * Siemens Gigaset 307x driver * Common header file for all connection variants * * Written by Stefan Eilers <Eilers.Stefan@epost.de> * and Hansjoerg Lipp <hjlipp@web.de> * - * Version: $Id: gigaset.h,v 1.97.4.26 2006/02/04 18:28:16 hjlipp Exp $ - * =========================================================================== + * ===================================================================== + * 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 @@ -15,7 +20,6 @@ #include <linux/kernel.h> #include <linux/compiler.h> #include <linux/types.h> -#include <asm/atomic.h> #include <linux/spinlock.h> #include <linux/isdnif.h> #include <linux/usb.h> @@ -27,21 +31,22 @@ #include <linux/tty.h> #include <linux/tty_driver.h> #include <linux/list.h> +#include <asm/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 512 /* Max. size of a response string */ -#define HW_HDR_LEN 2 /* Header size used to store ack info */ +#define MAX_REC_PARAMS 10 /* Max. number of params in response string */ +#define MAX_RESP_SIZE 512 /* Max. size of a response string */ +#define HW_HDR_LEN 2 /* Header size used to store ack info */ -#define MAX_EVENTS 64 /* size of event queue */ +#define MAX_EVENTS 64 /* size of event queue */ #define RBUFSIZE 8192 -#define SBUFSIZE 4096 /* sk_buff payload size */ +#define SBUFSIZE 4096 /* sk_buff payload size */ -#define MAX_BUF_SIZE (SBUFSIZE - 2) /* Max. size of a data packet from LL */ -#define TRANSBUFSIZE 768 /* bytes per skb for transparent receive */ +#define TRANSBUFSIZE 768 /* bytes per skb for transparent receive */ +#define MAX_BUF_SIZE (SBUFSIZE - 2) /* Max. size of a data packet from LL */ /* compile time options */ #define GIG_MAJOR 0 @@ -67,68 +72,108 @@ #define MAXACT 3 -#define IFNULL(a) if (unlikely(!(a))) -#define IFNULLRET(a) if (unlikely(!(a))) {err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); return; } -#define IFNULLRETVAL(a,b) if (unlikely(!(a))) {err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); return (b); } -#define IFNULLCONT(a) if (unlikely(!(a))) {err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); continue; } -#define IFNULLGOTO(a,b) if (unlikely(!(a))) {err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); goto b; } +#define IFNULL(a) \ + if (unlikely(!(a))) + +#define IFNULLRET(a) \ + if (unlikely(!(a))) { \ + err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); \ + return; \ + } + +#define IFNULLRETVAL(a,b) \ + if (unlikely(!(a))) { \ + err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); \ + return (b); \ + } + +#define IFNULLCONT(a) \ + if (unlikely(!(a))) { \ + err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); \ + continue; \ + } + +#define IFNULLGOTO(a,b) \ + if (unlikely(!(a))) { \ + err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); \ + goto b; \ + } extern int gigaset_debuglevel; /* "needs" cast to (enum debuglevel) */ -/* any combination of these can be given with the 'debug=' parameter to insmod, e.g. - * 'insmod usb_gigaset.o debug=0x2c' will set DEBUG_OPEN, DEBUG_CMD and DEBUG_INTR. */ +/* any combination of these can be given with the 'debug=' parameter to insmod, + * e.g. 'insmod usb_gigaset.o debug=0x2c' will set DEBUG_OPEN, DEBUG_CMD and + * DEBUG_INTR. + */ enum debuglevel { /* up to 24 bits (atomic_t) */ - DEBUG_REG = 0x0002, /* serial port I/O register operations */ + DEBUG_REG = 0x0002,/* serial port I/O register operations */ DEBUG_OPEN = 0x0004, /* open/close serial port */ DEBUG_INTR = 0x0008, /* interrupt processing */ - DEBUG_INTR_DUMP = 0x0010, /* Activating hexdump debug output on interrupt - requests, not available as run-time option */ + DEBUG_INTR_DUMP = 0x0010, /* Activating hexdump debug output on + interrupt requests, not available as + run-time option */ 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_INTR_0 = 0x00200, /* serial port output interrupt processing */ + DEBUG_INTR_0 = 0x00200, /* serial port interrupt processing */ DEBUG_DRIVER = 0x00400, /* driver structure */ DEBUG_HDLC = 0x00800, /* M10x HDLC processing */ DEBUG_WRITE = 0x01000, /* M105 data write */ - 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_TRANSCMD = 0x02000, /* AT-COMMANDS+RESPONSES */ + DEBUG_MCMD = 0x04000, /* COMMANDS THAT ARE SENT VERY OFTEN */ + DEBUG_INIT = 0x08000, /* (de)allocation+initialization of data + structures */ DEBUG_LOCK = 0x10000, /* semaphore operations */ 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_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 */ + DEBUG_ANY = 0x3fffff, /* print message if any of the others is + activated */ }; #ifdef CONFIG_GIGASET_DEBUG #define DEBUG_DEFAULT (DEBUG_INIT | DEBUG_TRANSCMD | DEBUG_CMD | DEBUG_USBREQ) -//#define DEBUG_DEFAULT (DEBUG_LOCK | DEBUG_INIT | DEBUG_TRANSCMD | DEBUG_CMD | DEBUF_IF | DEBUG_DRIVER | DEBUG_OUTPUT | DEBUG_INTR) #else #define DEBUG_DEFAULT 0 #endif -/* redefine syslog macros to prepend module name instead of entire source path */ -/* The space before the comma in ", ##" is needed by gcc 2.95 */ +/* redefine syslog macros to prepend module name instead of entire + * source path */ #undef info -#define info(format, arg...) printk(KERN_INFO "%s: " format "\n", THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg) +#define info(format, arg...) \ + printk(KERN_INFO "%s: " format "\n", \ + THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg) #undef notice -#define notice(format, arg...) printk(KERN_NOTICE "%s: " format "\n", THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg) +#define notice(format, arg...) \ + printk(KERN_NOTICE "%s: " format "\n", \ + THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg) #undef warn -#define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n", THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg) +#define warn(format, arg...) \ + printk(KERN_WARNING "%s: " format "\n", \ + THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg) #undef err -#define err(format, arg...) printk(KERN_ERR "%s: " format "\n", THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg) +#define err(format, arg...) \ + printk(KERN_ERR "%s: " format "\n", \ + THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg) #undef dbg #ifdef CONFIG_GIGASET_DEBUG -#define dbg(level, format, arg...) do { if (unlikely(((enum debuglevel)gigaset_debuglevel) & (level))) \ - printk(KERN_DEBUG "%s: " format "\n", THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" , ## arg); } while (0) +#define dbg(level, format, arg...) \ + do { \ + if (unlikely(((enum debuglevel)gigaset_debuglevel) & (level))) \ + printk(KERN_DEBUG "%s: " format "\n", \ + THIS_MODULE ? THIS_MODULE->name : "gigaset_hw" \ + , ## arg); \ + } while (0) #else #define dbg(level, format, arg...) do {} while (0) #endif @@ -148,13 +193,14 @@ void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg, #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) +#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) /* int-in-events 3070 */ #define HD_B1_FLOW_CONTROL 0x80 #define HD_B2_FLOW_CONTROL 0x81 -#define HD_RECEIVEATDATA_ACK (0x35) // 3070 // att: HD_RECEIVE>>AT<<DATA_ACK +#define HD_RECEIVEATDATA_ACK (0x35) // 3070 + // att: HD_RECEIVE>>AT<<DATA_ACK #define HD_READY_SEND_ATDATA (0x36) // 3070 #define HD_OPEN_ATCHANNEL_ACK (0x37) // 3070 #define HD_CLOSE_ATCHANNEL_ACK (0x38) // 3070 @@ -181,17 +227,18 @@ void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg, #define HD_CLOSE_ATCHANNEL (0x29) // 3070 /* 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 isochronous input buffer per URB */ -#define BAS_OUTBUFSIZE 4096 /* size of common isochronous output buffer */ -#define BAS_OUTBUFPAD BAS_MAXFRAME /* size of pad area for isochronous output buffer */ +#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 @@ -207,40 +254,40 @@ void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg, #define AT_NUM 7 /* variables in struct at_state_t */ -#define VAR_ZSAU 0 -#define VAR_ZDLE 1 -#define VAR_ZVLS 2 -#define VAR_ZCTP 3 -#define VAR_NUM 4 - -#define STR_NMBR 0 -#define STR_ZCPN 1 -#define STR_ZCON 2 -#define STR_ZBC 3 -#define STR_ZHLC 4 -#define STR_NUM 5 - -#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_PROTO_L2 -113 -#define EV_ACCEPT -114 -#define EV_DIAL -115 -#define EV_HUP -116 -#define EV_BC_OPEN -117 -#define EV_BC_CLOSED -118 +#define VAR_ZSAU 0 +#define VAR_ZDLE 1 +#define VAR_ZVLS 2 +#define VAR_ZCTP 3 +#define VAR_NUM 4 + +#define STR_NMBR 0 +#define STR_ZCPN 1 +#define STR_ZCON 2 +#define STR_ZBC 3 +#define STR_ZHLC 4 +#define STR_NUM 5 + +#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_PROTO_L2 -113 +#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 -#define INS_DLE_char 0x0002 -#define INS_byte_stuff 0x0004 -#define INS_have_data 0x0008 -#define INS_skip_frame 0x0010 -#define INS_DLE_command 0x0020 +#define INS_command 0x0001 +#define INS_DLE_char 0x0002 +#define INS_byte_stuff 0x0004 +#define INS_have_data 0x0008 +#define INS_skip_frame 0x0010 +#define INS_DLE_command 0x0020 #define INS_flag_hunt 0x0040 /* channel state */ @@ -248,27 +295,27 @@ void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg, #define CHS_B_UP 0x02 #define CHS_NOTIFY_LL 0x04 -#define ICALL_REJECT 0 -#define ICALL_ACCEPT 1 -#define ICALL_IGNORE 2 +#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 +#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 +#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 */ +#define SM_LOCKED 0 +#define SM_ISDN 1 /* default */ struct gigaset_ops; struct gigaset_driver; @@ -283,27 +330,26 @@ 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 */ + 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_m10x[]; extern struct reply_t gigaset_tab_nocid_m10x[]; struct inbuf_t { - unsigned char *rcvbuf; /* usb-gigaset receive buffer */ + unsigned char *rcvbuf; /* usb-gigaset receive buffer */ struct bc_state *bcs; - struct cardstate *cs; - int inputstate; - - atomic_t head, tail; - unsigned char data[RBUFSIZE]; + struct cardstate *cs; + int inputstate; + atomic_t head, tail; + unsigned char data[RBUFSIZE]; }; /* isochronous write buffer structure @@ -319,16 +365,19 @@ struct inbuf_t { * 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 - * - optionally, the following statistics on the buffer's usage can be collected: - * maxfill: maximum number of bytes occupied - * idlefills: number of times a frame of idle bytes is prepared - * emptygets: number of times the buffer was empty when a data frame was requested + * 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 + * - optionally, the following statistics on the buffer's usage can be + * collected: + * maxfill: maximum number of bytes occupied + * idlefills: number of times a frame of idle bytes is prepared + * emptygets: number of times the buffer was empty when a data frame was + * requested * backtoback: number of times two data packets were entered into the buffer - * without intervening idle flags - * nakedback: set if no idle flags have been inserted since the last data packet + * without intervening idle flags + * nakedback: set if no idle flags have been inserted since the last data + * packet */ struct isowbuf_t { atomic_t read; @@ -358,34 +407,28 @@ struct isow_urbctx_t { * it is currently assigned a B channel */ struct at_state_t { - struct list_head list; - int waiting; - int getstring; + struct list_head list; + int waiting; + int getstring; atomic_t 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 */ - atomic_t seq_index; - - struct cardstate *cs; - struct bc_state *bcs; + 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 */ + atomic_t seq_index; + + struct cardstate *cs; + struct bc_state *bcs; }; struct resp_type_t { unsigned char *response; - int resp_code; /* RSP_XXXX */ - int type; /* RT_XXXX */ -}; - -struct prot_skb { - atomic_t empty; - struct semaphore *sem; - struct sk_buff *skb; + int resp_code; /* RSP_XXXX */ + int type; /* RT_XXXX */ }; struct event_t { @@ -398,29 +441,29 @@ struct event_t { /* 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 */ + 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) */ + 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; unsigned long rcvbytes; __u16 fcs; struct sk_buff *skb; - int inputstate; /* see INS_XXXX */ + int inputstate; /* see INS_XXXX */ int channel; struct cardstate *cs; - unsigned chstate; /* bitmap (CHS_*) */ + unsigned chstate; /* bitmap (CHS_*) */ int ignore; - unsigned proto2; /* Layer 2 protocol (ISDN_PROTO_L2_*) */ - char *commands[AT_NUM]; /* see AT_XXXX */ + unsigned proto2; /* Layer 2 protocol (ISDN_PROTO_L2_*) */ + char *commands[AT_NUM]; /* see AT_XXXX */ #ifdef CONFIG_GIGASET_DEBUG int emptycount; @@ -430,9 +473,9 @@ struct bc_state { /* hardware drivers */ union { - struct ser_bc_state *ser; /* private data of serial hardware driver */ - struct usb_bc_state *usb; /* private data of usb hardware driver */ - struct bas_bc_state *bas; + 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; }; @@ -443,22 +486,23 @@ struct cardstate { const struct gigaset_ops *ops; /* Stuff to handle communication */ - //wait_queue_head_t initwait; wait_queue_head_t waitqueue; int waiting; - atomic_t mode; /* see M_XXXX */ - atomic_t mstate; /* Modem state: see MS_XXXX */ - /* only changed by the event layer */ + atomic_t mode; /* see M_XXXX */ + atomic_t 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 */ + struct bc_state *bcs; /* Array of struct bc_state */ - int onechannel; /* data and commands transmitted in one stream (M10x) */ + 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 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; @@ -474,36 +518,47 @@ struct cardstate { unsigned fwver[4]; int gotfwver; - atomic_t running; /* !=0 if events are handled */ - atomic_t connected; /* !=0 if hardware is connected */ + atomic_t running; /* !=0 if events are handled */ + atomic_t connected; /* !=0 if hardware is connected */ atomic_t cidmode; - int myid; /* id for communication with LL */ + int myid; /* id for communication with LL */ isdn_if iif; struct reply_t *tabnocid; struct reply_t *tabcid; int cs_init; - int ignoreframes; /* frames to ignore after setting up the B channel */ - struct semaphore sem; /* locks this structure: */ - /* connected is not changed, */ - /* hardware_up is not changed, */ - /* MState is not changed to or from MS_LOCKED */ + int ignoreframes; /* frames to ignore after setting up the + B channel */ + struct semaphore sem; /* 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 modem commands/responses are dle encoded */ - int cur_at_seq; /* sequence of AT commands being processed */ - int curchannel; /* channel, those commands are meant for */ - atomic_t 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 incomming 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) */ + int dle; /* !=0 if modem commands/responses are + dle encoded */ + int cur_at_seq; /* sequence of AT commands being + processed */ + int curchannel; /* channel, those commands are meant + for */ + atomic_t 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 + * incomming 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]; @@ -516,16 +571,15 @@ struct cardstate { /* hardware drivers */ union { - struct usb_cardstate *usb; /* private data of USB hardware driver */ - struct ser_cardstate *ser; /* private data of serial hardware driver */ - struct bas_cardstate *bas; /* private data of base hardware driver */ + 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 semaphore sem; /* locks this structure */ + spinlock_t lock; /* locks minor tables and blocked */ struct tty_driver *tty; unsigned have_tty; unsigned minor; @@ -553,7 +607,8 @@ struct bas_bc_state { 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) */ + unsigned numsub; /* submitted URB counter (for + diagnostic messages only) */ struct tasklet_struct sent_tasklet; /* isochronous input state */ @@ -563,24 +618,31 @@ struct bas_bc_state { struct urb *isoindone; /* completed isoc read 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 */ + /* 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 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 */ + 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 */ + /* Called from ev-layer.c/interface.c for sending AT commands to the + device */ int (*write_cmd)(struct cardstate *cs, const unsigned char *buf, int len, struct tasklet_struct *wake_tasklet); @@ -604,7 +666,8 @@ struct gigaset_ops { /* Called by gigaset_freecs() for freeing bcs->hw.xxx */ int (*freebcshw)(struct bc_state *bcs); - /* Called by gigaset_stop() or gigaset_bchannel_down() for resetting bcs->hw.xxx */ + /* Called by gigaset_stop() or gigaset_bchannel_down() for resetting + bcs->hw.xxx */ void (*reinitbcshw)(struct bc_state *bcs); /* Called by gigaset_initcs() for setting up cs->hw.xxx */ @@ -613,13 +676,10 @@ struct gigaset_ops { /* Called by gigaset_freecs() for freeing cs->hw.xxx */ void (*freecshw)(struct cardstate *cs); - ///* Called by gigaset_stop() for killing URBs, shutting down the device, ... - // hardwareup: ==0: don't try to shut down the device, hardware is really not accessible - // !=0: hardware still up */ - //void (*stophw)(struct cardstate *cs, int hardwareup); - - /* Called from common.c/interface.c for additional serial port control */ - int (*set_modem_ctrl)(struct cardstate *cs, unsigned old_state, unsigned new_state); + /* 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); @@ -667,7 +727,8 @@ 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); +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 */ @@ -763,7 +824,8 @@ struct cardstate *gigaset_getunassignedcs(struct gigaset_driver *drv); void gigaset_unassign(struct cardstate *cs); void gigaset_blockdriver(struct gigaset_driver *drv); -/* Allocate and initialize card state. Calls hardware dependent gigaset_init[b]cs(). */ +/* 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); |
