diff options
Diffstat (limited to 'drivers/isdn/hardware/avm')
| -rw-r--r-- | drivers/isdn/hardware/avm/Kconfig | 66 | ||||
| -rw-r--r-- | drivers/isdn/hardware/avm/Makefile | 11 | ||||
| -rw-r--r-- | drivers/isdn/hardware/avm/avm_cs.c | 510 | ||||
| -rw-r--r-- | drivers/isdn/hardware/avm/avmcard.h | 585 | ||||
| -rw-r--r-- | drivers/isdn/hardware/avm/b1.c | 814 | ||||
| -rw-r--r-- | drivers/isdn/hardware/avm/b1dma.c | 980 | ||||
| -rw-r--r-- | drivers/isdn/hardware/avm/b1isa.c | 245 | ||||
| -rw-r--r-- | drivers/isdn/hardware/avm/b1pci.c | 417 | ||||
| -rw-r--r-- | drivers/isdn/hardware/avm/b1pcmcia.c | 224 | ||||
| -rw-r--r-- | drivers/isdn/hardware/avm/c4.c | 1310 | ||||
| -rw-r--r-- | drivers/isdn/hardware/avm/t1isa.c | 596 | ||||
| -rw-r--r-- | drivers/isdn/hardware/avm/t1pci.c | 260 |
12 files changed, 6018 insertions, 0 deletions
diff --git a/drivers/isdn/hardware/avm/Kconfig b/drivers/isdn/hardware/avm/Kconfig new file mode 100644 index 00000000000..29a32a8830c --- /dev/null +++ b/drivers/isdn/hardware/avm/Kconfig @@ -0,0 +1,66 @@ +# +# ISDN AVM drivers +# + +menu "Active AVM cards" + depends on NET && ISDN && ISDN_CAPI!=n + +config CAPI_AVM + bool "Support AVM cards" + help + Enable support for AVM active ISDN cards. + +config ISDN_DRV_AVMB1_B1ISA + tristate "AVM B1 ISA support" + depends on CAPI_AVM && ISDN_CAPI && ISA + help + Enable support for the ISA version of the AVM B1 card. + +config ISDN_DRV_AVMB1_B1PCI + tristate "AVM B1 PCI support" + depends on CAPI_AVM && ISDN_CAPI && PCI + help + Enable support for the PCI version of the AVM B1 card. + +config ISDN_DRV_AVMB1_B1PCIV4 + bool "AVM B1 PCI V4 support" + depends on ISDN_DRV_AVMB1_B1PCI + help + Enable support for the V4 version of AVM B1 PCI card. + +config ISDN_DRV_AVMB1_T1ISA + tristate "AVM T1/T1-B ISA support" + depends on CAPI_AVM && ISDN_CAPI && ISA + help + Enable support for the AVM T1 T1B card. + Note: This is a PRI card and handle 30 B-channels. + +config ISDN_DRV_AVMB1_B1PCMCIA + tristate "AVM B1/M1/M2 PCMCIA support" + depends on CAPI_AVM && ISDN_CAPI + help + Enable support for the PCMCIA version of the AVM B1 card. + +config ISDN_DRV_AVMB1_AVM_CS + tristate "AVM B1/M1/M2 PCMCIA cs module" + depends on ISDN_DRV_AVMB1_B1PCMCIA && PCMCIA + help + Enable the PCMCIA client driver for the AVM B1/M1/M2 + PCMCIA cards. + +config ISDN_DRV_AVMB1_T1PCI + tristate "AVM T1/T1-B PCI support" + depends on CAPI_AVM && ISDN_CAPI && PCI + help + Enable support for the AVM T1 T1B card. + Note: This is a PRI card and handle 30 B-channels. + +config ISDN_DRV_AVMB1_C4 + tristate "AVM C4/C2 support" + depends on CAPI_AVM && ISDN_CAPI && PCI + help + Enable support for the AVM C4/C2 PCI cards. + These cards handle 4/2 BRI ISDN lines (8/4 channels). + +endmenu + diff --git a/drivers/isdn/hardware/avm/Makefile b/drivers/isdn/hardware/avm/Makefile new file mode 100644 index 00000000000..b540e8f2efb --- /dev/null +++ b/drivers/isdn/hardware/avm/Makefile @@ -0,0 +1,11 @@ +# Makefile for the AVM ISDN device drivers + +# Each configuration option enables a list of files. + +obj-$(CONFIG_ISDN_DRV_AVMB1_B1ISA) += b1isa.o b1.o +obj-$(CONFIG_ISDN_DRV_AVMB1_B1PCI) += b1pci.o b1.o b1dma.o +obj-$(CONFIG_ISDN_DRV_AVMB1_B1PCMCIA) += b1pcmcia.o b1.o +obj-$(CONFIG_ISDN_DRV_AVMB1_AVM_CS) += avm_cs.o +obj-$(CONFIG_ISDN_DRV_AVMB1_T1ISA) += t1isa.o b1.o +obj-$(CONFIG_ISDN_DRV_AVMB1_T1PCI) += t1pci.o b1.o b1dma.o +obj-$(CONFIG_ISDN_DRV_AVMB1_C4) += c4.o b1.o diff --git a/drivers/isdn/hardware/avm/avm_cs.c b/drivers/isdn/hardware/avm/avm_cs.c new file mode 100644 index 00000000000..dc00c85e3e3 --- /dev/null +++ b/drivers/isdn/hardware/avm/avm_cs.c @@ -0,0 +1,510 @@ +/* $Id: avm_cs.c,v 1.4.6.3 2001/09/23 22:24:33 kai Exp $ + * + * A PCMCIA client driver for AVM B1/M1/M2 + * + * Copyright 1999 by Carsten Paeth <calle@calle.de> + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/sched.h> +#include <linux/ptrace.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/tty.h> +#include <linux/serial.h> +#include <linux/major.h> +#include <asm/io.h> +#include <asm/system.h> + +#include <pcmcia/version.h> +#include <pcmcia/cs_types.h> +#include <pcmcia/cs.h> +#include <pcmcia/cistpl.h> +#include <pcmcia/ciscode.h> +#include <pcmcia/ds.h> +#include <pcmcia/cisreg.h> + +#include <linux/skbuff.h> +#include <linux/capi.h> +#include <linux/b1lli.h> +#include <linux/b1pcmcia.h> + +/*====================================================================*/ + +MODULE_DESCRIPTION("CAPI4Linux: PCMCIA client driver for AVM B1/M1/M2"); +MODULE_AUTHOR("Carsten Paeth"); +MODULE_LICENSE("GPL"); + +/*====================================================================*/ + +/* + The event() function is this driver's Card Services event handler. + It will be called by Card Services when an appropriate card status + event is received. The config() and release() entry points are + used to configure or release a socket, in response to card insertion + and ejection events. They are invoked from the skeleton event + handler. +*/ + +static void avmcs_config(dev_link_t *link); +static void avmcs_release(dev_link_t *link); +static int avmcs_event(event_t event, int priority, + event_callback_args_t *args); + +/* + The attach() and detach() entry points are used to create and destroy + "instances" of the driver, where each instance represents everything + needed to manage one actual PCMCIA card. +*/ + +static dev_link_t *avmcs_attach(void); +static void avmcs_detach(dev_link_t *); + +/* + The dev_info variable is the "key" that is used to match up this + device driver with appropriate cards, through the card configuration + database. +*/ + +static dev_info_t dev_info = "avm_cs"; + +/* + A linked list of "instances" of the skeleton device. Each actual + PCMCIA card corresponds to one device instance, and is described + by one dev_link_t structure (defined in ds.h). + + You may not want to use a linked list for this -- for example, the + memory card driver uses an array of dev_link_t pointers, where minor + device numbers are used to derive the corresponding array index. +*/ + +static dev_link_t *dev_list = NULL; + +/* + A dev_link_t structure has fields for most things that are needed + to keep track of a socket, but there will usually be some device + specific information that also needs to be kept track of. The + 'priv' pointer in a dev_link_t structure can be used to point to + a device-specific private data structure, like this. + + A driver needs to provide a dev_node_t structure for each device + on a card. In some cases, there is only one device per card (for + example, ethernet cards, modems). In other cases, there may be + many actual or logical devices (SCSI adapters, memory cards with + multiple partitions). The dev_node_t structures need to be kept + in a linked list starting at the 'dev' field of a dev_link_t + structure. We allocate them in the card's private data structure, + because they generally can't be allocated dynamically. +*/ + +typedef struct local_info_t { + dev_node_t node; +} local_info_t; + +/*====================================================================== + + avmcs_attach() creates an "instance" of the driver, allocating + local data structures for one device. The device is registered + with Card Services. + + The dev_link structure is initialized, but we don't actually + configure the card at this point -- we wait until we receive a + card insertion event. + +======================================================================*/ + +static dev_link_t *avmcs_attach(void) +{ + client_reg_t client_reg; + dev_link_t *link; + local_info_t *local; + int ret; + + /* Initialize the dev_link_t structure */ + link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL); + if (!link) + goto err; + memset(link, 0, sizeof(struct dev_link_t)); + + /* The io structure describes IO port mapping */ + link->io.NumPorts1 = 16; + link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; + link->io.NumPorts2 = 0; + + /* Interrupt setup */ + link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; + link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING|IRQ_FIRST_SHARED; + + link->irq.IRQInfo1 = IRQ_LEVEL_ID; + + /* General socket configuration */ + link->conf.Attributes = CONF_ENABLE_IRQ; + link->conf.Vcc = 50; + link->conf.IntType = INT_MEMORY_AND_IO; + link->conf.ConfigIndex = 1; + link->conf.Present = PRESENT_OPTION; + + /* Allocate space for private device-specific data */ + local = kmalloc(sizeof(local_info_t), GFP_KERNEL); + if (!local) + goto err_kfree; + memset(local, 0, sizeof(local_info_t)); + link->priv = local; + + /* Register with Card Services */ + link->next = dev_list; + dev_list = link; + client_reg.dev_info = &dev_info; + client_reg.EventMask = + CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL | + CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET | + CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME; + client_reg.event_handler = &avmcs_event; + client_reg.Version = 0x0210; + client_reg.event_callback_args.client_data = link; + ret = pcmcia_register_client(&link->handle, &client_reg); + if (ret != 0) { + cs_error(link->handle, RegisterClient, ret); + avmcs_detach(link); + goto err; + } + return link; + + err_kfree: + kfree(link); + err: + return NULL; +} /* avmcs_attach */ + +/*====================================================================== + + This deletes a driver "instance". The device is de-registered + with Card Services. If it has been released, all local data + structures are freed. Otherwise, the structures will be freed + when the device is released. + +======================================================================*/ + +static void avmcs_detach(dev_link_t *link) +{ + dev_link_t **linkp; + + /* Locate device structure */ + for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) + if (*linkp == link) break; + if (*linkp == NULL) + return; + + /* + If the device is currently configured and active, we won't + actually delete it yet. Instead, it is marked so that when + the release() function is called, that will trigger a proper + detach(). + */ + if (link->state & DEV_CONFIG) { + link->state |= DEV_STALE_LINK; + return; + } + + /* Break the link with Card Services */ + if (link->handle) + pcmcia_deregister_client(link->handle); + + /* Unlink device structure, free pieces */ + *linkp = link->next; + if (link->priv) { + kfree(link->priv); + } + kfree(link); + +} /* avmcs_detach */ + +/*====================================================================== + + avmcs_config() is scheduled to run after a CARD_INSERTION event + is received, to configure the PCMCIA socket, and to make the + ethernet device available to the system. + +======================================================================*/ + +static int get_tuple(client_handle_t handle, tuple_t *tuple, + cisparse_t *parse) +{ + int i = pcmcia_get_tuple_data(handle, tuple); + if (i != CS_SUCCESS) return i; + return pcmcia_parse_tuple(handle, tuple, parse); +} + +static int first_tuple(client_handle_t handle, tuple_t *tuple, + cisparse_t *parse) +{ + int i = pcmcia_get_first_tuple(handle, tuple); + if (i != CS_SUCCESS) return i; + return get_tuple(handle, tuple, parse); +} + +static int next_tuple(client_handle_t handle, tuple_t *tuple, + cisparse_t *parse) +{ + int i = pcmcia_get_next_tuple(handle, tuple); + if (i != CS_SUCCESS) return i; + return get_tuple(handle, tuple, parse); +} + +static void avmcs_config(dev_link_t *link) +{ + client_handle_t handle; + tuple_t tuple; + cisparse_t parse; + cistpl_cftable_entry_t *cf = &parse.cftable_entry; + local_info_t *dev; + int i; + u_char buf[64]; + char devname[128]; + int cardtype; + int (*addcard)(unsigned int port, unsigned irq); + + handle = link->handle; + dev = link->priv; + + /* + This reads the card's CONFIG tuple to find its configuration + registers. + */ + do { + tuple.DesiredTuple = CISTPL_CONFIG; + i = pcmcia_get_first_tuple(handle, &tuple); + if (i != CS_SUCCESS) break; + tuple.TupleData = buf; + tuple.TupleDataMax = 64; + tuple.TupleOffset = 0; + i = pcmcia_get_tuple_data(handle, &tuple); + if (i != CS_SUCCESS) break; + i = pcmcia_parse_tuple(handle, &tuple, &parse); + if (i != CS_SUCCESS) break; + link->conf.ConfigBase = parse.config.base; + } while (0); + if (i != CS_SUCCESS) { + cs_error(link->handle, ParseTuple, i); + link->state &= ~DEV_CONFIG_PENDING; + return; + } + + /* Configure card */ + link->state |= DEV_CONFIG; + + do { + + tuple.Attributes = 0; + tuple.TupleData = buf; + tuple.TupleDataMax = 254; + tuple.TupleOffset = 0; + tuple.DesiredTuple = CISTPL_VERS_1; + + devname[0] = 0; + if( !first_tuple(handle, &tuple, &parse) && parse.version_1.ns > 1 ) { + strlcpy(devname,parse.version_1.str + parse.version_1.ofs[1], + sizeof(devname)); + } + /* + * find IO port + */ + tuple.TupleData = (cisdata_t *)buf; + tuple.TupleOffset = 0; tuple.TupleDataMax = 255; + tuple.Attributes = 0; + tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; + i = first_tuple(handle, &tuple, &parse); + while (i == CS_SUCCESS) { + if (cf->io.nwin > 0) { + link->conf.ConfigIndex = cf->index; + link->io.BasePort1 = cf->io.win[0].base; + link->io.NumPorts1 = cf->io.win[0].len; + link->io.NumPorts2 = 0; + printk(KERN_INFO "avm_cs: testing i/o %#x-%#x\n", + link->io.BasePort1, + link->io.BasePort1+link->io.NumPorts1-1); + i = pcmcia_request_io(link->handle, &link->io); + if (i == CS_SUCCESS) goto found_port; + } + i = next_tuple(handle, &tuple, &parse); + } + +found_port: + if (i != CS_SUCCESS) { + cs_error(link->handle, RequestIO, i); + break; + } + + /* + * allocate an interrupt line + */ + i = pcmcia_request_irq(link->handle, &link->irq); + if (i != CS_SUCCESS) { + cs_error(link->handle, RequestIRQ, i); + pcmcia_release_io(link->handle, &link->io); + break; + } + + /* + * configure the PCMCIA socket + */ + i = pcmcia_request_configuration(link->handle, &link->conf); + if (i != CS_SUCCESS) { + cs_error(link->handle, RequestConfiguration, i); + pcmcia_release_io(link->handle, &link->io); + pcmcia_release_irq(link->handle, &link->irq); + break; + } + + } while (0); + + /* At this point, the dev_node_t structure(s) should be + initialized and arranged in a linked list at link->dev. */ + + if (devname[0]) { + char *s = strrchr(devname, ' '); + if (!s) + s = devname; + else s++; + strcpy(dev->node.dev_name, s); + if (strcmp("M1", s) == 0) { + cardtype = AVM_CARDTYPE_M1; + } else if (strcmp("M2", s) == 0) { + cardtype = AVM_CARDTYPE_M2; + } else { + cardtype = AVM_CARDTYPE_B1; + } + } else { + strcpy(dev->node.dev_name, "b1"); + cardtype = AVM_CARDTYPE_B1; + } + + dev->node.major = 64; + dev->node.minor = 0; + link->dev = &dev->node; + + link->state &= ~DEV_CONFIG_PENDING; + /* If any step failed, release any partially configured state */ + if (i != 0) { + avmcs_release(link); + return; + } + + + switch (cardtype) { + case AVM_CARDTYPE_M1: addcard = b1pcmcia_addcard_m1; break; + case AVM_CARDTYPE_M2: addcard = b1pcmcia_addcard_m2; break; + default: + case AVM_CARDTYPE_B1: addcard = b1pcmcia_addcard_b1; break; + } + if ((i = (*addcard)(link->io.BasePort1, link->irq.AssignedIRQ)) < 0) { + printk(KERN_ERR "avm_cs: failed to add AVM-%s-Controller at i/o %#x, irq %d\n", + dev->node.dev_name, link->io.BasePort1, link->irq.AssignedIRQ); + avmcs_release(link); + return; + } + dev->node.minor = i; + +} /* avmcs_config */ + +/*====================================================================== + + After a card is removed, avmcs_release() will unregister the net + device, and release the PCMCIA configuration. If the device is + still open, this will be postponed until it is closed. + +======================================================================*/ + +static void avmcs_release(dev_link_t *link) +{ + b1pcmcia_delcard(link->io.BasePort1, link->irq.AssignedIRQ); + + /* Unlink the device chain */ + link->dev = NULL; + + /* Don't bother checking to see if these succeed or not */ + pcmcia_release_configuration(link->handle); + pcmcia_release_io(link->handle, &link->io); + pcmcia_release_irq(link->handle, &link->irq); + link->state &= ~DEV_CONFIG; + + if (link->state & DEV_STALE_LINK) + avmcs_detach(link); + +} /* avmcs_release */ + +/*====================================================================== + + The card status event handler. Mostly, this schedules other + stuff to run after an event is received. A CARD_REMOVAL event + also sets some flags to discourage the net drivers from trying + to talk to the card any more. + + When a CARD_REMOVAL event is received, we immediately set a flag + to block future accesses to this device. All the functions that + actually access the device should check this flag to make sure + the card is still present. + +======================================================================*/ + +static int avmcs_event(event_t event, int priority, + event_callback_args_t *args) +{ + dev_link_t *link = args->client_data; + + switch (event) { + case CS_EVENT_CARD_REMOVAL: + link->state &= ~DEV_PRESENT; + if (link->state & DEV_CONFIG) + avmcs_release(link); + break; + case CS_EVENT_CARD_INSERTION: + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + avmcs_config(link); + break; + case CS_EVENT_PM_SUSPEND: + link->state |= DEV_SUSPEND; + /* Fall through... */ + case CS_EVENT_RESET_PHYSICAL: + if (link->state & DEV_CONFIG) + pcmcia_release_configuration(link->handle); + break; + case CS_EVENT_PM_RESUME: + link->state &= ~DEV_SUSPEND; + /* Fall through... */ + case CS_EVENT_CARD_RESET: + if (link->state & DEV_CONFIG) + pcmcia_request_configuration(link->handle, &link->conf); + break; + } + return 0; +} /* avmcs_event */ + +static struct pcmcia_driver avmcs_driver = { + .owner = THIS_MODULE, + .drv = { + .name = "avm_cs", + }, + .attach = avmcs_attach, + .detach = avmcs_detach, +}; + +static int __init avmcs_init(void) +{ + return pcmcia_register_driver(&avmcs_driver); +} + +static void __exit avmcs_exit(void) +{ + pcmcia_unregister_driver(&avmcs_driver); + BUG_ON(dev_list != NULL); +} + +module_init(avmcs_init); +module_exit(avmcs_exit); diff --git a/drivers/isdn/hardware/avm/avmcard.h b/drivers/isdn/hardware/avm/avmcard.h new file mode 100644 index 00000000000..296d6a6f749 --- /dev/null +++ b/drivers/isdn/hardware/avm/avmcard.h @@ -0,0 +1,585 @@ +/* $Id: avmcard.h,v 1.1.4.1.2.1 2001/12/21 15:00:17 kai Exp $ + * + * Copyright 1999 by Carsten Paeth <calle@calle.de> + * + * This software may be used and distributed according to the terms + * of the GNU General Public License, incorporated herein by reference. + * + */ + +#ifndef _AVMCARD_H_ +#define _AVMCARD_H_ + +#include <linux/spinlock.h> +#include <linux/list.h> +#include <linux/interrupt.h> + +#define AVMB1_PORTLEN 0x1f +#define AVM_MAXVERSION 8 +#define AVM_NCCI_PER_CHANNEL 4 + +/* + * Versions + */ + +#define VER_DRIVER 0 +#define VER_CARDTYPE 1 +#define VER_HWID 2 +#define VER_SERIAL 3 +#define VER_OPTION 4 +#define VER_PROTO 5 +#define VER_PROFILE 6 +#define VER_CAPI 7 + +enum avmcardtype { + avm_b1isa, + avm_b1pci, + avm_b1pcmcia, + avm_m1, + avm_m2, + avm_t1isa, + avm_t1pci, + avm_c4, + avm_c2 +}; + +typedef struct avmcard_dmabuf { + long size; + u8 *dmabuf; + dma_addr_t dmaaddr; +} avmcard_dmabuf; + +typedef struct avmcard_dmainfo { + u32 recvlen; + avmcard_dmabuf recvbuf; + + avmcard_dmabuf sendbuf; + struct sk_buff_head send_queue; + + struct pci_dev *pcidev; +} avmcard_dmainfo; + +typedef struct avmctrl_info { + char cardname[32]; + + int versionlen; + char versionbuf[1024]; + char *version[AVM_MAXVERSION]; + + char infobuf[128]; /* for function procinfo */ + + struct avmcard *card; + struct capi_ctr capi_ctrl; + + struct list_head ncci_head; +} avmctrl_info; + +typedef struct avmcard { + char name[32]; + + spinlock_t lock; + unsigned int port; + unsigned irq; + unsigned long membase; + enum avmcardtype cardtype; + unsigned char revision; + unsigned char class; + int cardnr; /* for t1isa */ + + char msgbuf[128]; /* capimsg msg part */ + char databuf[2048]; /* capimsg data part */ + + void __iomem *mbase; + volatile u32 csr; + avmcard_dmainfo *dma; + + struct avmctrl_info *ctrlinfo; + + u_int nr_controllers; + u_int nlogcontr; + struct list_head list; +} avmcard; + +extern int b1_irq_table[16]; + +/* + * LLI Messages to the ISDN-ControllerISDN Controller + */ + +#define SEND_POLL 0x72 /* + * after load <- RECEIVE_POLL + */ +#define SEND_INIT 0x11 /* + * first message <- RECEIVE_INIT + * int32 NumApplications int32 + * NumNCCIs int32 BoardNumber + */ +#define SEND_REGISTER 0x12 /* + * register an application int32 + * ApplIDId int32 NumMessages + * int32 NumB3Connections int32 + * NumB3Blocks int32 B3Size + * + * AnzB3Connection != 0 && + * AnzB3Blocks >= 1 && B3Size >= 1 + */ +#define SEND_RELEASE 0x14 /* + * deregister an application int32 + * ApplID + */ +#define SEND_MESSAGE 0x15 /* + * send capi-message int32 length + * capi-data ... + */ +#define SEND_DATA_B3_REQ 0x13 /* + * send capi-data-message int32 + * MsgLength capi-data ... int32 + * B3Length data .... + */ + +#define SEND_CONFIG 0x21 /* + */ + +#define SEND_POLLACK 0x73 /* T1 Watchdog */ + +/* + * LLI Messages from the ISDN-ControllerISDN Controller + */ + +#define RECEIVE_POLL 0x32 /* + * <- after SEND_POLL + */ +#define RECEIVE_INIT 0x27 /* + * <- after SEND_INIT int32 length + * byte total length b1struct board + * driver revision b1struct card + * type b1struct reserved b1struct + * serial number b1struct driver + * capability b1struct d-channel + * protocol b1struct CAPI-2.0 + * profile b1struct capi version + */ +#define RECEIVE_MESSAGE 0x21 /* + * <- after SEND_MESSAGE int32 + * AppllID int32 Length capi-data + * .... + */ +#define RECEIVE_DATA_B3_IND 0x22 /* + * received data int32 AppllID + * int32 Length capi-data ... + * int32 B3Length data ... + */ +#define RECEIVE_START 0x23 /* + * Handshake + */ +#define RECEIVE_STOP 0x24 /* + * Handshake + */ +#define RECEIVE_NEW_NCCI 0x25 /* + * int32 AppllID int32 NCCI int32 + * WindowSize + */ +#define RECEIVE_FREE_NCCI 0x26 /* + * int32 AppllID int32 NCCI + */ +#define RECEIVE_RELEASE 0x26 /* + * int32 AppllID int32 0xffffffff + */ +#define RECEIVE_TASK_READY 0x31 /* + * int32 tasknr + * int32 Length Taskname ... + */ +#define RECEIVE_DEBUGMSG 0x71 /* + * int32 Length message + * + */ +#define RECEIVE_POLLDWORD 0x75 /* t1pci in dword mode */ + +#define WRITE_REGISTER 0x00 +#define READ_REGISTER 0x01 + +/* + * port offsets + */ + +#define B1_READ 0x00 +#define B1_WRITE 0x01 +#define B1_INSTAT 0x02 +#define B1_OUTSTAT 0x03 +#define B1_ANALYSE 0x04 +#define B1_REVISION 0x05 +#define B1_RESET 0x10 + + +#define B1_STAT0(cardtype) ((cardtype) == avm_m1 ? 0x81200000l : 0x80A00000l) +#define B1_STAT1(cardtype) (0x80E00000l) + +/* ---------------------------------------------------------------- */ + +static inline unsigned char b1outp(unsigned int base, + unsigned short offset, + unsigned char value) +{ + outb(value, base + offset); + return inb(base + B1_ANALYSE); +} + + +static inline int b1_rx_full(unsigned int base) +{ + return inb(base + B1_INSTAT) & 0x1; +} + +static inline unsigned char b1_get_byte(unsigned int base) +{ + unsigned long stop = jiffies + 1 * HZ; /* maximum wait time 1 sec */ + while (!b1_rx_full(base) && time_before(jiffies, stop)); + if (b1_rx_full(base)) + return inb(base + B1_READ); + printk(KERN_CRIT "b1lli(0x%x): rx not full after 1 second\n", base); + return 0; +} + +static inline unsigned int b1_get_word(unsigned int base) +{ + unsigned int val = 0; + val |= b1_get_byte(base); + val |= (b1_get_byte(base) << 8); + val |= (b1_get_byte(base) << 16); + val |= (b1_get_byte(base) << 24); + return val; +} + +static inline int b1_tx_empty(unsigned int base) +{ + return inb(base + B1_OUTSTAT) & 0x1; +} + +static inline void b1_put_byte(unsigned int base, unsigned char val) +{ + while (!b1_tx_empty(base)); + b1outp(base, B1_WRITE, val); +} + +static inline int b1_save_put_byte(unsigned int base, unsigned char val) +{ + unsigned long stop = jiffies + 2 * HZ; + while (!b1_tx_empty(base) && time_before(jiffies,stop)); + if (!b1_tx_empty(base)) return -1; + b1outp(base, B1_WRITE, val); + return 0; +} + +static inline void b1_put_word(unsigned int base, unsigned int val) +{ + b1_put_byte(base, val & 0xff); + b1_put_byte(base, (val >> 8) & 0xff); + b1_put_byte(base, (val >> 16) & 0xff); + b1_put_byte(base, (val >> 24) & 0xff); +} + +static inline unsigned int b1_get_slice(unsigned int base, + unsigned char *dp) +{ + unsigned int len, i; + + len = i = b1_get_word(base); + while (i-- > 0) *dp++ = b1_get_byte(base); + return len; +} + +static inline void b1_put_slice(unsigned int base, + unsigned char *dp, unsigned int len) +{ + unsigned i = len; + b1_put_word(base, i); + while (i-- > 0) + b1_put_byte(base, *dp++); +} + +static void b1_wr_reg(unsigned int base, + unsigned int reg, + unsigned int value) +{ + b1_put_byte(base, WRITE_REGISTER); + b1_put_word(base, reg); + b1_put_word(base, value); +} + +static inline unsigned int b1_rd_reg(unsigned int base, + unsigned int reg) +{ + b1_put_byte(base, READ_REGISTER); + b1_put_word(base, reg); + return b1_get_word(base); + +} + +static inline void b1_reset(unsigned int base) +{ + b1outp(base, B1_RESET, 0); + mdelay(55 * 2); /* 2 TIC's */ + + b1outp(base, B1_RESET, 1); + mdelay(55 * 2); /* 2 TIC's */ + + b1outp(base, B1_RESET, 0); + mdelay(55 * 2); /* 2 TIC's */ +} + +static inline unsigned char b1_disable_irq(unsigned int base) +{ + return b1outp(base, B1_INSTAT, 0x00); +} + +/* ---------------------------------------------------------------- */ + +static inline void b1_set_test_bit(unsigned int base, + enum avmcardtype cardtype, + int onoff) +{ + b1_wr_reg(base, B1_STAT0(cardtype), onoff ? 0x21 : 0x20); +} + +static inline int b1_get_test_bit(unsigned int base, + enum avmcardtype cardtype) +{ + return (b1_rd_reg(base, B1_STAT0(cardtype)) & 0x01) != 0; +} + +/* ---------------------------------------------------------------- */ + +#define T1_FASTLINK 0x00 +#define T1_SLOWLINK 0x08 + +#define T1_READ B1_READ +#define T1_WRITE B1_WRITE +#define T1_INSTAT B1_INSTAT +#define T1_OUTSTAT B1_OUTSTAT +#define T1_IRQENABLE 0x05 +#define T1_FIFOSTAT 0x06 +#define T1_RESETLINK 0x10 +#define T1_ANALYSE 0x11 +#define T1_IRQMASTER 0x12 +#define T1_IDENT 0x17 +#define T1_RESETBOARD 0x1f + +#define T1F_IREADY 0x01 +#define T1F_IHALF 0x02 +#define T1F_IFULL 0x04 +#define T1F_IEMPTY 0x08 +#define T1F_IFLAGS 0xF0 + +#define T1F_OREADY 0x10 +#define T1F_OHALF 0x20 +#define T1F_OEMPTY 0x40 +#define T1F_OFULL 0x80 +#define T1F_OFLAGS 0xF0 + +/* there are HEMA cards with 1k and 4k FIFO out */ +#define FIFO_OUTBSIZE 256 +#define FIFO_INPBSIZE 512 + +#define HEMA_VERSION_ID 0 +#define HEMA_PAL_ID 0 + +static inline void t1outp(unsigned int base, + unsigned short offset, + unsigned char value) +{ + outb(value, base + offset); +} + +static inline unsigned char t1inp(unsigned int base, + unsigned short offset) +{ + return inb(base + offset); +} + +static inline int t1_isfastlink(unsigned int base) +{ + return (inb(base + T1_IDENT) & ~0x82) == 1; +} + +static inline unsigned char t1_fifostatus(unsigned int base) +{ + return inb(base + T1_FIFOSTAT); +} + +static inline unsigned int t1_get_slice(unsigned int base, + unsigned char *dp) +{ + unsigned int len, i; +#ifdef FASTLINK_DEBUG + unsigned wcnt = 0, bcnt = 0; +#endif + + len = i = b1_get_word(base); + if (t1_isfastlink(base)) { + int status; + while (i > 0) { + status = t1_fifostatus(base) & (T1F_IREADY|T1F_IHALF); + if (i >= FIFO_INPBSIZE) status |= T1F_IFULL; + + switch (status) { + case T1F_IREADY|T1F_IHALF|T1F_IFULL: + insb(base+B1_READ, dp, FIFO_INPBSIZE); + dp += FIFO_INPBSIZE; + i -= FIFO_INPBSIZE; +#ifdef FASTLINK_DEBUG + wcnt += FIFO_INPBSIZE; +#endif + break; + case T1F_IREADY|T1F_IHALF: + insb(base+B1_READ,dp, i); +#ifdef FASTLINK_DEBUG + wcnt += i; +#endif + dp += i; + i = 0; + if (i == 0) + break; + /* fall through */ + default: + *dp++ = b1_get_byte(base); + i--; +#ifdef FASTLINK_DEBUG + bcnt++; +#endif + break; + } + } +#ifdef FASTLINK_DEBUG + if (wcnt) + printk(KERN_DEBUG "b1lli(0x%x): get_slice l=%d w=%d b=%d\n", + base, len, wcnt, bcnt); +#endif + } else { + while (i-- > 0) + *dp++ = b1_get_byte(base); + } + return len; +} + +static inline void t1_put_slice(unsigned int base, + unsigned char *dp, unsigned int len) +{ + unsigned i = len; + b1_put_word(base, i); + if (t1_isfastlink(base)) { + int status; + while (i > 0) { + status = t1_fifostatus(base) & (T1F_OREADY|T1F_OHALF); + if (i >= FIFO_OUTBSIZE) status |= T1F_OEMPTY; + switch (status) { + case T1F_OREADY|T1F_OHALF|T1F_OEMPTY: + outsb(base+B1_WRITE, dp, FIFO_OUTBSIZE); + dp += FIFO_OUTBSIZE; + i -= FIFO_OUTBSIZE; + break; + case T1F_OREADY|T1F_OHALF: + outsb(base+B1_WRITE, dp, i); + dp += i; + i = 0; + break; + default: + b1_put_byte(base, *dp++); + i--; + break; + } + } + } else { + while (i-- > 0) + b1_put_by |