cregit-Linux how code gets into the kernel

Release 4.14 drivers/isdn/hardware/eicon/capifunc.c

/* $Id: capifunc.c,v 1.61.4.7 2005/02/11 19:40:25 armin Exp $
 *
 * ISDN interface module for Eicon active cards DIVA.
 * CAPI Interface common functions
 *
 * Copyright 2000-2003 by Armin Schindler (mac@melware.de)
 * Copyright 2000-2003 Cytronics & Melware (info@melware.de)
 *
 * This software may be used and distributed according to the terms
 * of the GNU General Public License, incorporated herein by reference.
 *
 */

#include "platform.h"
#include "os_capi.h"
#include "di_defs.h"
#include "capi20.h"
#include "divacapi.h"
#include "divasync.h"
#include "capifunc.h"


#define DBG_MINIMUM  (DL_LOG + DL_FTL + DL_ERR)

#define DBG_DEFAULT  (DBG_MINIMUM + DL_XLOG + DL_REG)


DIVA_CAPI_ADAPTER *adapter = (DIVA_CAPI_ADAPTER *) NULL;

APPL *application = (APPL *) NULL;

byte max_appl = MAX_APPL;

byte max_adapter = 0;

static CAPI_MSG *mapped_msg = (CAPI_MSG *) NULL;

byte UnMapController(byte);

char DRIVERRELEASE_CAPI[32];

extern void AutomaticLaw(DIVA_CAPI_ADAPTER *);
extern void callback(ENTITY *);
extern word api_remove_start(void);
extern word CapiRelease(word);
extern word CapiRegister(word);
extern word api_put(APPL *, CAPI_MSG *);


static diva_os_spin_lock_t api_lock;

static LIST_HEAD(cards);


static dword notify_handle;
static void DIRequest(ENTITY *e);

static DESCRIPTOR MAdapter;

static DESCRIPTOR DAdapter;

static byte ControllerMap[MAX_DESCRIPTORS + 1];


static void diva_register_appl(struct capi_ctr *, __u16,
			       capi_register_params *);
static void diva_release_appl(struct capi_ctr *, __u16);
static char *diva_procinfo(struct capi_ctr *);
static u16 diva_send_message(struct capi_ctr *,
			     diva_os_message_buffer_s *);
extern void diva_os_set_controller_struct(struct capi_ctr *);

extern void DIVA_DIDD_Read(DESCRIPTOR *, int);

/*
 * debug
 */
static void no_printf(unsigned char *, ...);
#include "debuglib.c"

static void xlog(char *x, ...) { #ifndef DIVA_NO_DEBUGLIB va_list ap; if (myDriverDebugHandle.dbgMask & DL_XLOG) { va_start(ap, x); if (myDriverDebugHandle.dbg_irq) { myDriverDebugHandle.dbg_irq(myDriverDebugHandle.id, DLI_XLOG, x, ap); } else if (myDriverDebugHandle.dbg_old) { myDriverDebugHandle.dbg_old(myDriverDebugHandle.id, x, ap); } va_end(ap); } #endif }

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PersonTokensPropCommitsCommitProp
Armin Schindler87100.00%3100.00%
Total87100.00%3100.00%

/* * info for proc */
static char *diva_procinfo(struct capi_ctr *ctrl) { return (ctrl->serial); }

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Armin Schindler19100.00%1100.00%
Total19100.00%1100.00%

/* * stop debugging */
static void stop_dbg(void) { DbgDeregister(); memset(&MAdapter, 0, sizeof(MAdapter)); dprintf = no_printf; }

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Armin Schindler28100.00%1100.00%
Total28100.00%1100.00%

/* * dummy debug function */
static void no_printf(unsigned char *x, ...) { }

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Armin Schindler12100.00%1100.00%
Total12100.00%1100.00%

/* * Controller mapping */
byte MapController(byte Controller) { byte i; byte MappedController = 0; byte ctrl = Controller & 0x7f; /* mask external controller bit off */ for (i = 1; i < max_adapter + 1; i++) { if (ctrl == ControllerMap[i]) { MappedController = (byte) i; break; } } if (i > max_adapter) { ControllerMap[0] = ctrl; MappedController = 0; } return (MappedController | (Controller & 0x80)); /* put back external controller bit */ }

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Armin Schindler91100.00%1100.00%
Total91100.00%1100.00%

/* * Controller unmapping */
byte UnMapController(byte MappedController) { byte Controller; byte ctrl = MappedController & 0x7f; /* mask external controller bit off */ if (ctrl <= max_adapter) { Controller = ControllerMap[ctrl]; } else { Controller = 0; } return (Controller | (MappedController & 0x80)); /* put back external controller bit */ }

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Armin Schindler53100.00%1100.00%
Total53100.00%1100.00%

/* * find a new free id */
static int find_free_id(void) { int num = 0; DIVA_CAPI_ADAPTER *a; while (num < MAX_DESCRIPTORS) { a = &adapter[num]; if (!a->Id) break; num++; } return (num + 1); }

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Armin Schindler51100.00%3100.00%
Total51100.00%3100.00%

/* * find a card structure by controller number */
static diva_card *find_card_by_ctrl(word controller) { struct list_head *tmp; diva_card *card; list_for_each(tmp, &cards) { card = list_entry(tmp, diva_card, list); if (ControllerMap[card->Id] == controller) { if (card->remove_in_progress) card = NULL; return (card); } } return (diva_card *) 0; }

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Armin Schindler73100.00%2100.00%
Total73100.00%2100.00%

/* * Buffer RX/TX */
void *TransmitBufferSet(APPL *appl, dword ref) { appl->xbuffer_used[ref] = true; DBG_PRV1(("%d:xbuf_used(%d)", appl->Id, ref + 1)) return (void *)(long)ref; }

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Armin Schindler3690.00%133.33%
Andrew Morton37.50%133.33%
Richard Knutsson12.50%133.33%
Total40100.00%3100.00%


void *TransmitBufferGet(APPL *appl, void *p) { if (appl->xbuffer_internal[(dword)(long)p]) return appl->xbuffer_internal[(dword)(long)p]; return appl->xbuffer_ptr[(dword)(long)p]; }

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PersonTokensPropCommitsCommitProp
Armin Schindler4884.21%150.00%
Andrew Morton915.79%150.00%
Total57100.00%2100.00%


void TransmitBufferFree(APPL *appl, void *p) { appl->xbuffer_used[(dword)(long)p] = false; DBG_PRV1(("%d:xbuf_free(%d)", appl->Id, ((dword)(long)p) + 1)) }

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PersonTokensPropCommitsCommitProp
Armin Schindler3186.11%133.33%
Andrew Morton411.11%133.33%
Richard Knutsson12.78%133.33%
Total36100.00%3100.00%


void *ReceiveBufferGet(APPL *appl, int Num) { return &appl->ReceiveBuffer[Num * appl->MaxDataLength]; }

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Armin Schindler26100.00%1100.00%
Total26100.00%1100.00%

/* * api_remove_start/complete for cleanup */
void api_remove_complete(void) { DBG_PRV1(("api_remove_complete")) }

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Armin Schindler13100.00%1100.00%
Total13100.00%1100.00%

/* * main function called by message.c */
void sendf(APPL *appl, word command, dword Id, word Number, byte *format, ...) { word i, j; word length = 12, dlength = 0; byte *write; CAPI_MSG msg; byte *string = NULL; va_list ap; diva_os_message_buffer_s *dmb; diva_card *card = NULL; dword tmp; if (!appl) return; DBG_PRV1(("sendf(a=%d,cmd=%x,format=%s)", appl->Id, command, (byte *) format)) PUT_WORD(&msg.header.appl_id, appl->Id); PUT_WORD(&msg.header.command, command); if ((byte) (command >> 8) == 0x82) Number = appl->Number++; PUT_WORD(&msg.header.number, Number); PUT_DWORD(&msg.header.controller, Id); write = (byte *)&msg; write += 12; va_start(ap, format); for (i = 0; format[i]; i++) { switch (format[i]) { case 'b': tmp = va_arg(ap, dword); *(byte *) write = (byte) (tmp & 0xff); write += 1; length += 1; break; case 'w': tmp = va_arg(ap, dword); PUT_WORD(write, (tmp & 0xffff)); write += 2; length += 2; break; case 'd': tmp = va_arg(ap, dword); PUT_DWORD(write, tmp); write += 4; length += 4; break; case 's': case 'S': string = va_arg(ap, byte *); length += string[0] + 1; for (j = 0; j <= string[0]; j++) *write++ = string[j]; break; } } va_end(ap); PUT_WORD(&msg.header.length, length); msg.header.controller = UnMapController(msg.header.controller); if (command == _DATA_B3_I) dlength = GET_WORD( ((byte *)&msg.info.data_b3_ind.Data_Length)); if (!(dmb = diva_os_alloc_message_buffer(length + dlength, (void **) &write))) { DBG_ERR(("sendf: alloc_message_buffer failed, incoming msg dropped.")) return; } /* copy msg header to sk_buff */ memcpy(write, (byte *)&msg, length); /* if DATA_B3_IND, copy data too */ if (command == _DATA_B3_I) { dword data = GET_DWORD(&msg.info.data_b3_ind.Data); memcpy(write + length, (void *)(long)data, dlength); } #ifndef DIVA_NO_DEBUGLIB if (myDriverDebugHandle.dbgMask & DL_XLOG) { switch (command) { default: xlog("\x00\x02", &msg, 0x81, length); break; case _DATA_B3_R | CONFIRM: if (myDriverDebugHandle.dbgMask & DL_BLK) xlog("\x00\x02", &msg, 0x81, length); break; case _DATA_B3_I: if (myDriverDebugHandle.dbgMask & DL_BLK) { xlog("\x00\x02", &msg, 0x81, length); for (i = 0; i < dlength; i += 256) { DBG_BLK((((char *)(long)GET_DWORD(&msg.info.data_b3_ind.Data)) + i, ((dlength - i) < 256) ? (dlength - i) : 256)) if (!(myDriverDebugHandle.dbgMask & DL_PRV0)) break; /* not more if not explicitly requested */ } } break; } } #endif /* find the card structure for this controller */ if (!(card = find_card_by_ctrl(write[8] & 0x7f))) { DBG_ERR(("sendf - controller %d not found, incoming msg dropped", write[8] & 0x7f)) diva_os_free_message_buffer(dmb); return; } /* send capi msg to capi layer */ capi_ctr_handle_message(&card->capi_ctrl, appl->Id, dmb); }

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PersonTokensPropCommitsCommitProp
Armin Schindler64196.68%225.00%
Al Viro101.51%225.00%
Kai Germaschewski71.06%112.50%
Andrew Morton30.45%112.50%
Joe Perches10.15%112.50%
Jean Delvare10.15%112.50%
Total663100.00%8100.00%

/* * cleanup adapter */
static void clean_adapter(int id, struct list_head *free_mem_q) { DIVA_CAPI_ADAPTER *a; int i, k; a = &adapter[id]; k = li_total_channels - a->li_channels; if (k == 0) { if (li_config_table) { list_add((struct list_head *)li_config_table, free_mem_q); li_config_table = NULL; } } else { if (a->li_base < k) { memmove(&li_config_table[a->li_base], &li_config_table[a->li_base + a->li_channels], (k - a->li_base) * sizeof(LI_CONFIG)); for (i = 0; i < k; i++) { memmove(&li_config_table[i].flag_table[a->li_base], &li_config_table[i].flag_table[a->li_base + a->li_channels], k - a->li_base); memmove(&li_config_table[i]. coef_table[a->li_base], &li_config_table[i].coef_table[a->li_base + a->li_channels], k - a->li_base); } } } li_total_channels = k; for (i = id; i < max_adapter; i++) { if (adapter[i].request) adapter[i].li_base -= a->li_channels; } if (a->plci) list_add((struct list_head *)a->plci, free_mem_q); memset(a, 0x00, sizeof(DIVA_CAPI_ADAPTER)); while ((max_adapter != 0) && !adapter[max_adapter - 1].request) max_adapter--; }

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Armin Schindler303100.00%3100.00%
Total303100.00%3100.00%

/* * remove a card, but ensures consistent state of LI tables * in the time adapter is removed */
static void divacapi_remove_card(DESCRIPTOR *d) { diva_card *card = NULL; diva_os_spin_lock_magic_t old_irql; LIST_HEAD(free_mem_q); struct list_head *link; struct list_head *tmp; /* * Set "remove in progress flag". * Ensures that there is no call from sendf to CAPI in * the time CAPI controller is about to be removed. */ diva_os_enter_spin_lock(&api_lock, &old_irql, "remove card"); list_for_each(tmp, &cards) { card = list_entry(tmp, diva_card, list); if (card->d.request == d->request) { card->remove_in_progress = 1; list_del(tmp); break; } } diva_os_leave_spin_lock(&api_lock, &old_irql, "remove card"); if (card) { /* * Detach CAPI. Sendf cannot call to CAPI any more. * After detach no call to send_message() is done too. */ detach_capi_ctr(&card->capi_ctrl); /* * Now get API lock (to ensure stable state of LI tables) * and update the adapter map/LI table. */ diva_os_enter_spin_lock(&api_lock, &old_irql, "remove card"); clean_adapter(card->Id - 1, &free_mem_q); DBG_TRC(("DelAdapterMap (%d) -> (%d)", ControllerMap[card->Id], card->Id)) ControllerMap[card->Id] = 0; DBG_TRC(("adapter remove, max_adapter=%d", max_adapter)); diva_os_leave_spin_lock(&api_lock, &old_irql, "remove card"); /* After releasing the lock, we can free the memory */ diva_os_free(0, card); } /* free queued memory areas */ list_for_each_safe(link, tmp, &free_mem_q) { list_del(link); diva_os_free(0, link); } }

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Armin Schindler20699.52%375.00%
Joe Perches10.48%125.00%
Total207100.00%4100.00%

/* * remove cards */
static void divacapi_remove_cards(void) { DESCRIPTOR d; struct list_head *tmp; diva_card *card; diva_os_spin_lock_magic_t old_irql; rescan: diva_os_enter_spin_lock(&api_lock, &old_irql, "remove cards"); list_for_each(tmp, &cards) { card = list_entry(tmp, diva_card, list); diva_os_leave_spin_lock(&api_lock, &old_irql, "remove cards"); d.request = card->d.request; divacapi_remove_card(&d); goto rescan; } diva_os_leave_spin_lock(&api_lock, &old_irql, "remove cards"); }

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Armin Schindler96100.00%2100.00%
Total96100.00%2100.00%

/* * sync_callback */
static void sync_callback(ENTITY *e) { diva_os_spin_lock_magic_t old_irql; DBG_TRC(("cb:Id=%x,Rc=%x,Ind=%x", e->Id, e->Rc, e->Ind)) diva_os_enter_spin_lock(&api_lock, &old_irql, "sync_callback"); callback(e); diva_os_leave_spin_lock(&api_lock, &old_irql, "sync_callback"); }

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Armin Schindler46100.00%1100.00%
Total46100.00%1100.00%

/* * add a new card */
static int diva_add_card(DESCRIPTOR *d) { int k = 0, i = 0; diva_os_spin_lock_magic_t old_irql; diva_card *card = NULL; struct capi_ctr *ctrl = NULL; DIVA_CAPI_ADAPTER *a = NULL; IDI_SYNC_REQ sync_req; char serial[16]; void *mem_to_free; LI_CONFIG *new_li_config_table; int j; if (!(card = (diva_card *) diva_os_malloc(0, sizeof(diva_card)))) { DBG_ERR(("diva_add_card: failed to allocate card struct.")) return (0); } memset((char *) card, 0x00, sizeof(diva_card)); memcpy(&card->d, d, sizeof(DESCRIPTOR)); sync_req.GetName.Req = 0; sync_req.GetName.Rc = IDI_SYNC_REQ_GET_NAME; card->d.request((ENTITY *)&sync_req); strlcpy(card->name, sync_req.GetName.name, sizeof(card->name)); ctrl = &card->capi_ctrl; strcpy(ctrl->name, card->name); ctrl->register_appl = diva_register_appl; ctrl->release_appl = diva_release_appl; ctrl->send_message = diva_send_message; ctrl->procinfo = diva_procinfo; ctrl->driverdata = card; diva_os_set_controller_struct(ctrl); if (attach_capi_ctr(ctrl)) { DBG_ERR(("diva_add_card: failed to attach controller.")) diva_os_free(0, card); return (0); } diva_os_enter_spin_lock(&api_lock, &old_irql, "find id"); card->Id = find_free_id(); diva_os_leave_spin_lock(&api_lock, &old_irql, "find id"); strlcpy(ctrl->manu, M_COMPANY, sizeof(ctrl->manu)); ctrl->version.majorversion = 2; ctrl->version.minorversion = 0; ctrl->version.majormanuversion = DRRELMAJOR; ctrl->version.minormanuversion = DRRELMINOR; sync_req.GetSerial.Req = 0; sync_req.GetSerial.Rc = IDI_SYNC_REQ_GET_SERIAL; sync_req.GetSerial.serial = 0; card->d.request((ENTITY *)&sync_req); if ((i = ((sync_req.GetSerial.serial & 0xff000000) >> 24))) { sprintf(serial, "%ld-%d", sync_req.GetSerial.serial & 0x00ffffff, i + 1); } else { sprintf(serial, "%ld", sync_req.GetSerial.serial); } serial[CAPI_SERIAL_LEN - 1] = 0; strlcpy(ctrl->serial, serial, sizeof(ctrl->serial)); a = &adapter[card->Id - 1]; card->adapter = a; a->os_card = card; ControllerMap[card->Id] = (byte) (ctrl->cnr); DBG_TRC(("AddAdapterMap (%d) -> (%d)", ctrl->cnr, card->Id)) sync_req.xdi_capi_prms.Req = 0; sync_req.xdi_capi_prms.Rc = IDI_SYNC_REQ_XDI_GET_CAPI_PARAMS; sync_req.xdi_capi_prms.info.structure_length = sizeof(diva_xdi_get_capi_parameters_t); card->d.request((ENTITY *)&sync_req); a->flag_dynamic_l1_down = sync_req.xdi_capi_prms.info.flag_dynamic_l1_down; a->group_optimization_enabled = sync_req.xdi_capi_prms.info.group_optimization_enabled; a->request = DIRequest; /* card->d.request; */ a->max_plci = card->d.channels + 30; a->max_listen = (card->d.channels > 2) ? 8 : 2; if (! (a->plci = (PLCI *) diva_os_malloc(0, sizeof(PLCI) * a->max_plci))) { DBG_ERR(("diva_add_card: failed alloc plci struct.")) memset(a, 0, sizeof(DIVA_CAPI_ADAPTER)); return (0); } memset(a->plci, 0, sizeof(PLCI) * a->max_plci); for (k = 0; k < a->max_plci; k++) { a->Id = (byte) card->Id; a->plci[k].Sig.callback = sync_callback; a->plci[k].Sig.XNum = 1; a->plci[k].Sig.X = a->plci[k].XData; a->plci[k].Sig.user[0] = (word) (card->Id - 1); a->plci[k].Sig.user[1] = (word) k; a->plci[k].NL.callback = sync_callback; a->plci[k].NL.XNum = 1; a->plci[k].NL.X = a->plci[k].XData; a->plci[k].NL.user[0] = (word) ((card->Id - 1) | 0x8000); a->plci[k].NL.user[1] = (word) k; a->plci[k].adapter = a; } a->profile.Number = card->Id; a->profile.Channels = card->d.channels; if (card->d.features & DI_FAX3) { a->profile.Global_Options = 0x71; if (card->d.features & DI_CODEC) a->profile.Global_Options |= 0x6; #if IMPLEMENT_DTMF a->profile.Global_Options |= 0x8; #endif /* IMPLEMENT_DTMF */ a->profile.Global_Options |= 0x80; /* Line Interconnect */ #if IMPLEMENT_ECHO_CANCELLER a->profile.Global_Options |= 0x100; #endif /* IMPLEMENT_ECHO_CANCELLER */ a->profile.B1_Protocols = 0xdf; a->profile.B2_Protocols = 0x1fdb; a->profile.B3_Protocols = 0xb7; a->manufacturer_features = MANUFACTURER_FEATURE_HARDDTMF; } else { a->profile.Global_Options = 0x71; if (card->d.features & DI_CODEC) a->profile.Global_Options |= 0x2; a->profile.B1_Protocols = 0x43; a->profile.B2_Protocols = 0x1f0f; a->profile.B3_Protocols = 0x07; a->manufacturer_features = 0; } a->li_pri = (a->profile.Channels > 2); a->li_channels = a->li_pri ? MIXER_CHANNELS_PRI : MIXER_CHANNELS_BRI; a->li_base = 0; for (i = 0; &adapter[i] != a; i++) { if (adapter[i].request) a->li_base = adapter[i].li_base + adapter[i].li_channels; } k = li_total_channels + a->li_channels; new_li_config_table = (LI_CONFIG *) diva_os_malloc(0, ((k * sizeof(LI_CONFIG) + 3) & ~3) + (2 * k) * ((k + 3) & ~3)); if (new_li_config_table == NULL) { DBG_ERR(("diva_add_card: failed alloc li_config table.")) memset(a, 0, sizeof(DIVA_CAPI_ADAPTER)); return (0); } /* Prevent access to line interconnect table in process update */ diva_os_enter_spin_lock(&api_lock, &old_irql, "add card"); j = 0; for (i = 0; i < k; i++) { if ((i >= a->li_base) && (i < a->li_base + a->li_channels)) memset(&new_li_config_table[i], 0, sizeof(LI_CONFIG)); else memcpy(&new_li_config_table[i], &li_config_table[j], sizeof(LI_CONFIG)); new_li_config_table[i].flag_table = ((byte *) new_li_config_table) + (((k * sizeof(LI_CONFIG) + 3) & ~3) + (2 * i) * ((k + 3) & ~3)); new_li_config_table[i].coef_table = ((byte *) new_li_config_table) + (((k * sizeof(LI_CONFIG) + 3) & ~3) + (2 * i + 1) * ((k + 3) & ~3)); if ((i >= a->li_base) && (i < a->li_base + a->li_channels)) { new_li_config_table[i].adapter = a; memset(&new_li_config_table[i].flag_table[0], 0, k); memset(&new_li_config_table[i].coef_table[0], 0, k); } else { if (a->li_base != 0) { memcpy(&new_li_config_table[i].flag_table[0], &li_config_table[j].flag_table[0], a->li_base); memcpy(&new_li_config_table[i].coef_table[0], &li_config_table[j].coef_table[0], a->li_base); } memset(&new_li_config_table[i].flag_table[a->li_base], 0, a->li_channels); memset(&new_li_config_table[i].coef_table[a->li_base], 0, a->li_channels); if (a->li_base + a->li_channels < k) { memcpy(&new_li_config_table[i].flag_table[a->li_base + a->li_channels], &li_config_table[j].flag_table[a->li_base], k - (a->li_base + a->li_channels)); memcpy(&new_li_config_table[i].coef_table[a->li_base + a->li_channels], &li_config_table[j].coef_table[a->li_base], k - (a->li_base + a->li_channels)); } j++; } } li_total_channels = k; mem_to_free = li_config_table; li_config_table = new_li_config_table; for (i = card->Id; i < max_adapter; i++) { if (adapter[i].request) adapter[i].li_base += a->li_channels; } if (a == &adapter[max_adapter]) max_adapter++; list_add(&(card->list), &cards); AutomaticLaw(a); diva_os_leave_spin_lock(&api_lock, &old_irql, "add card"); if (mem_to_free) { diva_os_free(0, mem_to_free); } i = 0; while (i++ < 30) { if (a->automatic_law > 3) break; diva_os_sleep(10); } /* profile information */ PUT_WORD(&ctrl->profile.nbchannel, card->d.channels); ctrl->profile.goptions = a->profile.Global_Options; ctrl->profile.support1 = a->profile.B1_Protocols; ctrl->profile.support2 = a->profile.B2_Protocols; ctrl->profile.support3 = a->profile.B3_Protocols; /* manufacturer profile information */ ctrl->profile.manu[0] = a->man_profile.private_options; ctrl->profile.manu[1] = a->man_profile.rtp_primary_payloads; ctrl->profile.manu[2] = a->man_profile.rtp_additional_payloads; ctrl->profile.manu[3] = 0; ctrl->profile.manu[4] = 0; capi_ctr_ready(ctrl); DBG_TRC(("adapter added, max_adapter=%d", max_adapter)); return (1); }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler199399.20%360.00%
Benjamin Collins150.75%120.00%
Al Viro10.05%120.00%
Total2009100.00%5100.00%

/* * register appl */
static void diva_register_appl(struct capi_ctr *ctrl, __u16 appl, capi_register_params *rp) { APPL *this; word bnum, xnum; int i = 0; unsigned char *p; void *DataNCCI, *DataFlags, *ReceiveBuffer, *xbuffer_used; void **xbuffer_ptr, **xbuffer_internal; diva_os_spin_lock_magic_t old_irql; unsigned int mem_len; int nconn = rp->level3cnt; if (diva_os_in_irq()) { DBG_ERR(("CAPI_REGISTER - in irq context !")) return; } DBG_TRC(("application register Id=%d", appl)) if (appl > MAX_APPL) { DBG_ERR(("CAPI_REGISTER - appl.Id exceeds MAX_APPL")) return; } if (nconn <= 0) nconn = ctrl->profile.nbchannel * -nconn; if (nconn == 0) nconn = ctrl->profile.nbchannel; DBG_LOG(("CAPI_REGISTER - Id = %d", appl)) DBG_LOG((" MaxLogicalConnections = %d(%d)", nconn, rp->level3cnt)) DBG_LOG((" MaxBDataBuffers = %d", rp->datablkcnt)) DBG_LOG((" MaxBDataLength = %d", rp->datablklen)) if (nconn < 1 || nconn > 255 || rp->datablklen < 80 || rp->datablklen > 2150 || rp->datablkcnt > 255) { DBG_ERR(("CAPI_REGISTER - invalid parameters")) return; } if (application[appl - 1].Id == appl) { DBG_LOG(("CAPI_REGISTER - appl already registered")) return; /* appl already registered */ } /* alloc memory */ bnum = nconn * rp->datablkcnt; xnum = nconn * MAX_DATA_B3; mem_len = bnum * sizeof(word); /* DataNCCI */ mem_len += bnum * sizeof(word); /* DataFlags */ mem_len += bnum * rp->datablklen; /* ReceiveBuffer */ mem_len += xnum; /* xbuffer_used */ mem_len += xnum * sizeof(void *); /* xbuffer_ptr */ mem_len += xnum * sizeof(void *); /* xbuffer_internal */ mem_len += xnum * rp->datablklen; /* xbuffer_ptr[xnum] */ DBG_LOG((" Allocated Memory = %d", mem_len)) if (!(p = diva_os_malloc(0, mem_len))) { DBG_ERR(("CAPI_REGISTER - memory allocation failed")) return; } memset(p, 0, mem_len); DataNCCI = (void *)p; p += bnum * sizeof(word); DataFlags = (void *)p; p += bnum * sizeof(word); ReceiveBuffer = (void *)p; p += bnum * rp->datablklen; xbuffer_used = (void *)p; p += xnum; xbuffer_ptr = (void **)p; p += xnum * sizeof(void *); xbuffer_internal = (void **)p; p += xnum * sizeof(void *); for (i = 0; i < xnum; i++) { xbuffer_ptr[i] = (void *)p; p += rp->datablklen; } /* initialize application data */ diva_os_enter_spin_lock(&api_lock, &old_irql, "register_appl"); this = &application[appl - 1]; memset(this, 0, sizeof(APPL)); this->Id = appl; for (i = 0; i < max_adapter; i++) { adapter[i].CIP_Mask[appl - 1] = 0; } this->queue_size = 1000; this->MaxNCCI = (byte) nconn; this->MaxNCCIData = (byte) rp->datablkcnt; this->MaxBuffer = bnum; this->MaxDataLength = rp->datablklen; this->DataNCCI = DataNCCI; this->DataFlags = DataFlags; this->ReceiveBuffer = ReceiveBuffer; this->xbuffer_used = xbuffer_used; this->xbuffer_ptr = xbuffer_ptr; this->xbuffer_internal = xbuffer_internal; for (i = 0; i < xnum; i++) { this->xbuffer_ptr[i] = xbuffer_ptr[i]; } CapiRegister(this->Id); diva_os_leave_spin_lock(&api_lock, &old_irql, "register_appl"); }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler65398.49%466.67%
Karsten Keil91.36%116.67%
Andrew Morton10.15%116.67%
Total663100.00%6100.00%

/* * release appl */
static void diva_release_appl(struct capi_ctr *ctrl, __u16 appl) { diva_os_spin_lock_magic_t old_irql; APPL *this = &application[appl - 1]; void *mem_to_free = NULL; DBG_TRC(("application %d(%d) cleanup", this->Id, appl)) if (diva_os_in_irq()) { DBG_ERR(("CAPI_RELEASE - in irq context !")) return; } diva_os_enter_spin_lock(&api_lock, &old_irql, "release_appl"); if (this->Id) { CapiRelease(this->Id); mem_to_free = this->DataNCCI; this->DataNCCI = NULL; this->Id = 0; } diva_os_leave_spin_lock(&api_lock, &old_irql, "release_appl"); if (mem_to_free) diva_os_free(0, mem_to_free); }

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PersonTokensPropCommitsCommitProp
Armin Schindler121100.00%3100.00%
Total121100.00%3100.00%

/* * send message */
static u16 diva_send_message(struct capi_ctr *ctrl, diva_os_message_buffer_s *dmb) { int i = 0; word ret = 0; diva_os_spin_lock_magic_t old_irql; CAPI_MSG *msg = (CAPI_MSG *) DIVA_MESSAGE_BUFFER_DATA(dmb); APPL *this = &application[GET_WORD(&msg->header.appl_id) - 1]; diva_card *card = ctrl->driverdata; __u32 length = DIVA_MESSAGE_BUFFER_LEN(dmb); word clength = GET_WORD(&msg->header.length); word command = GET_WORD(&msg->header.command); u16 retval = CAPI_NOERROR; if (diva_os_in_irq()) { DBG_ERR(("CAPI_SEND_MSG - in irq context !")) return CAPI_REGOSRESOURCEERR; } DBG_PRV1(("Write - appl = %d, cmd = 0x%x", this->Id, command)) if (card->remove_in_progress) { DBG_ERR(("CAPI_SEND_MSG - remove in progress!")) return CAPI_REGOSRESOURCEERR; } diva_os_enter_spin_lock(&api_lock, &old_irql, "send message"); if (!this->Id) { diva_os_leave_spin_lock(&api_lock, &old_irql, "send message"); return CAPI_ILLAPPNR; } /* patch controller number */ msg->header.controller = ControllerMap[card->Id] | (msg->header.controller & 0x80); /* preserve external controller bit */ switch (command) { default: xlog("\x00\x02", msg, 0x80, clength); break; case _DATA_B3_I | RESPONSE: #ifndef DIVA_NO_DEBUGLIB if (myDriverDebugHandle.dbgMask & DL_BLK) xlog("\x00\x02", msg, 0x80, clength); #endif break; case _DATA_B3_R: #ifndef DIVA_NO_DEBUGLIB if (myDriverDebugHandle.dbgMask & DL_BLK) xlog("\x00\x02", msg, 0x80, clength); #endif if (clength == 24) clength = 22; /* workaround for PPcom bug */ /* header is always 22 */ if (GET_WORD(&msg->info.data_b3_req.Data_Length) > this->MaxDataLength || GET_WORD(&msg->info.data_b3_req.Data_Length) > (length - clength)) { DBG_ERR(("Write - invalid message size")) retval = CAPI_ILLCMDORSUBCMDORMSGTOSMALL; goto write_end; } for (i = 0; i < (MAX_DATA_B3 * this->MaxNCCI) && this->xbuffer_used[i]; i++); if (i == (MAX_DATA_B3 * this->MaxNCCI)) { DBG_ERR(("Write - too many data pending")) retval = CAPI_SENDQUEUEFULL; goto write_end; } msg->info.data_b3_req.Data = i; this->xbuffer_internal[i] = NULL; memcpy(this->xbuffer_ptr[i], &((__u8 *) msg)[clength], GET_WORD(&msg->info.data_b3_req.Data_Length)); #ifndef DIVA_NO_DEBUGLIB if ((myDriverDebugHandle.dbgMask & DL_BLK) && (myDriverDebugHandle.dbgMask & DL_XLOG)) { int j; for (j = 0; j < GET_WORD(&msg->info.data_b3_req.Data_Length); j += 256) { DBG_BLK((((char *) this->xbuffer_ptr[i]) + j, ((GET_WORD(&msg->info.data_b3_req.Data_Length) - j) < 256) ? (GET_WORD(&msg->info.data_b3_req.Data_Length) - j) : 256)) if (!(myDriverDebugHandle.dbgMask & DL_PRV0)) break; /* not more if not explicitly requested */ } } #endif break; } memcpy(mapped_msg, msg, (__u32) clength); mapped_msg->header.controller = MapController(mapped_msg->header.controller); mapped_msg->header.length = clength; mapped_msg->header.command = command; mapped_msg->header.number = GET_WORD(&msg->header.number); ret = api_put(this, mapped_msg); switch (ret) { case 0: break; case _BAD_MSG: DBG_ERR(("Write - bad message")) retval = CAPI_ILLCMDORSUBCMDORMSGTOSMALL; break; case _QUEUE_FULL: DBG_ERR(("Write - queue full")) retval = CAPI_SENDQUEUEFULL; break; default: DBG_ERR(("Write - api_put returned unknown error")) retval = CAPI_UNKNOWNNOTPAR; break; } write_end: diva_os_leave_spin_lock(&api_lock, &old_irql, "send message"); if (retval == CAPI_NOERROR) diva_os_free_message_buffer(dmb); return retval; }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler63494.21%550.00%
Kai Germaschewski284.16%220.00%
Al Viro91.34%110.00%
Joe Perches10.15%110.00%
Jean Delvare10.15%110.00%
Total673100.00%10100.00%

/* * cards request function */
static void DIRequest(ENTITY *e) { DIVA_CAPI_ADAPTER *a = &(adapter[(byte) e->user[0]]); diva_card *os_card = (diva_card *) a->os_card; if (e->Req && (a->FlowControlIdTable[e->ReqCh] == e->Id)) { a->FlowControlSkipTable[e->ReqCh] = 1; } (*(os_card->d.request)) (e); }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler90100.00%1100.00%
Total90100.00%1100.00%

/* * callback function from didd */
static void didd_callback(void *context, DESCRIPTOR *adapter, int removal) { if (adapter->type == IDI_DADAPTER) { DBG_ERR(("Notification about IDI_DADAPTER change ! Oops.")); return; } else if (adapter->type == IDI_DIMAINT) { if (removal) { stop_dbg(); } else { memcpy(&MAdapter, adapter, sizeof(MAdapter)); dprintf = (DIVA_DI_PRINTF) MAdapter.request; DbgRegister("CAPI20", DRIVERRELEASE_CAPI, DBG_DEFAULT); } } else if ((adapter->type > 0) && (adapter->type < 16)) { /* IDI Adapter */ if (removal) { divacapi_remove_card(adapter); } else { diva_add_card(adapter); } } return; }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler131100.00%2100.00%
Total131100.00%2100.00%

/* * connect to didd */
static int divacapi_connect_didd(void) { int x = 0; int dadapter = 0; IDI_SYNC_REQ req; DESCRIPTOR DIDD_Table[MAX_DESCRIPTORS]; DIVA_DIDD_Read(DIDD_Table, sizeof(DIDD_Table)); for (x = 0; x < MAX_DESCRIPTORS; x++) { if (DIDD_Table[x].type == IDI_DIMAINT) { /* MAINT found */ memcpy(&MAdapter, &DIDD_Table[x], sizeof(DAdapter)); dprintf = (DIVA_DI_PRINTF) MAdapter.request; DbgRegister("CAPI20", DRIVERRELEASE_CAPI, DBG_DEFAULT); break; } } for (x = 0; x < MAX_DESCRIPTORS; x++) { if (DIDD_Table[x].type == IDI_DADAPTER) { /* DADAPTER found */ dadapter = 1; memcpy(&DAdapter, &DIDD_Table[x], sizeof(DAdapter)); req.didd_notify.e.Req = 0; req.didd_notify.e.Rc = IDI_SYNC_REQ_DIDD_REGISTER_ADAPTER_NOTIFY; req.didd_notify.info.callback = (void *)didd_callback; req.didd_notify.info.context = NULL; DAdapter.request((ENTITY *)&req); if (req.didd_notify.e.Rc != 0xff) { stop_dbg(); return (0); } notify_handle = req.didd_notify.info.handle; } else if ((DIDD_Table[x].type > 0) && (DIDD_Table[x].type < 16)) { /* IDI Adapter found */ diva_add_card(&DIDD_Table[x]); } } if (!dadapter) { stop_dbg(); } return (dadapter); }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler29199.66%266.67%
Al Viro10.34%133.33%
Total292100.00%3100.00%

/* * diconnect from didd */
static void divacapi_disconnect_didd(void) { IDI_SYNC_REQ req; stop_dbg(); req.didd_notify.e.Req = 0; req.didd_notify.e.Rc = IDI_SYNC_REQ_DIDD_REMOVE_ADAPTER_NOTIFY; req.didd_notify.info.handle = notify_handle; DAdapter.request((ENTITY *)&req); }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler56100.00%1100.00%
Total56100.00%1100.00%

/* * we do not provide date/time here, * the application should do this. */
int fax_head_line_time(char *buffer) { return (0); }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler14100.00%1100.00%
Total14100.00%1100.00%

/* * init (alloc) main structures */
static int __init init_main_structs(void) { if (!(mapped_msg = (CAPI_MSG *) diva_os_malloc(0, MAX_MSG_SIZE))) { DBG_ERR(("init: failed alloc mapped_msg.")) return 0; } if (!(adapter = diva_os_malloc(0, sizeof(DIVA_CAPI_ADAPTER) * MAX_DESCRIPTORS))) { DBG_ERR(("init: failed alloc adapter struct.")) diva_os_free(0, mapped_msg); return 0; } memset(adapter, 0, sizeof(DIVA_CAPI_ADAPTER) * MAX_DESCRIPTORS); if (!(application = diva_os_malloc(0, sizeof(APPL) * MAX_APPL))) { DBG_ERR(("init: failed alloc application struct.")) diva_os_free(0, mapped_msg); diva_os_free(0, adapter); return 0; } memset(application, 0, sizeof(APPL) * MAX_APPL); return (1); }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler15199.34%150.00%
H Hartley Sweeten10.66%150.00%
Total152100.00%2100.00%

/* * remove (free) main structures */
static void remove_main_structs(void) { if (application) diva_os_free(0, application); if (adapter) diva_os_free(0, adapter); if (mapped_msg) diva_os_free(0, mapped_msg); }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler41100.00%1100.00%
Total41100.00%1100.00%

/* * api_remove_start */
static void do_api_remove_start(void) { diva_os_spin_lock_magic_t old_irql; int ret = 1, count = 100; do { diva_os_enter_spin_lock(&api_lock, &old_irql, "api remove start"); ret = api_remove_start(); diva_os_leave_spin_lock(&api_lock, &old_irql, "api remove start"); diva_os_sleep(10); } while (ret && count--); if (ret) DBG_ERR(("could not remove signaling ID's")) }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler73100.00%2100.00%
Total73100.00%2100.00%

/* * init */
int __init init_capifunc(void) { diva_os_initialize_spin_lock(&api_lock, "capifunc"); memset(ControllerMap, 0, MAX_DESCRIPTORS + 1); max_adapter = 0; if (!init_main_structs()) { DBG_ERR(("init: failed to init main structs.")) diva_os_destroy_spin_lock(&api_lock, "capifunc"); return (0); } if (!divacapi_connect_didd()) { DBG_ERR(("init: failed to connect to DIDD.")) do_api_remove_start(); divacapi_remove_cards(); remove_main_structs(); diva_os_destroy_spin_lock(&api_lock, "capifunc"); return (0); } return (1); }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler9898.99%266.67%
H Hartley Sweeten11.01%133.33%
Total99100.00%3100.00%

/* * finit */
void __exit finit_capifunc(void) { do_api_remove_start(); divacapi_disconnect_didd(); divacapi_remove_cards(); remove_main_structs(); diva_os_destroy_spin_lock(&api_lock, "capifunc"); }

Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler2796.43%375.00%
H Hartley Sweeten13.57%125.00%
Total28100.00%4100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Armin Schindler651098.29%840.00%
Kai Germaschewski350.53%210.00%
Al Viro210.32%210.00%
Andrew Morton200.30%210.00%
Benjamin Collins150.23%15.00%
Karsten Keil90.14%15.00%
Joe Perches60.09%15.00%
H Hartley Sweeten30.05%15.00%
Jean Delvare20.03%15.00%
Richard Knutsson20.03%15.00%
Total6623100.00%20100.00%
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