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    Subject[PATCH 2/3] Staging: ipack: added support for the TEWS TPCI-200 carrier board
    Date
    Driver for the carrier board TEWS TPCI-200, a bridge between PCIe bus and
    IndustryPack bus.

    Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
    ---
    drivers/staging/ipack/Kconfig | 5 +
    drivers/staging/ipack/Makefile | 1 +
    drivers/staging/ipack/TODO | 15 +
    drivers/staging/ipack/bridges/Kconfig | 7 +
    drivers/staging/ipack/bridges/Makefile | 1 +
    drivers/staging/ipack/bridges/tpci200.c | 1163 +++++++++++++++++++++++++++++++
    drivers/staging/ipack/bridges/tpci200.h | 165 +++++
    7 files changed, 1357 insertions(+)

    diff --git a/drivers/staging/ipack/Kconfig b/drivers/staging/ipack/Kconfig
    index c036b79..a3f5925 100644
    --- a/drivers/staging/ipack/Kconfig
    +++ b/drivers/staging/ipack/Kconfig
    @@ -8,3 +8,8 @@ menuconfig IPACK_BUS
    ---help---
    If you say Y here you get support for the IndustryPack Framework.

    +if IPACK_BUS
    +
    +source "drivers/staging/ipack/bridges/Kconfig"
    +
    +endif # IPACK
    diff --git a/drivers/staging/ipack/Makefile b/drivers/staging/ipack/Makefile
    index 56e2340..59b8762 100644
    --- a/drivers/staging/ipack/Makefile
    +++ b/drivers/staging/ipack/Makefile
    @@ -2,3 +2,4 @@
    # Makefile for the IPACK bridge device drivers.
    #
    obj-$(CONFIG_IPACK_BUS) += ipack.o
    +obj-y += bridges/
    diff --git a/drivers/staging/ipack/TODO b/drivers/staging/ipack/TODO
    new file mode 100644
    index 0000000..261beab
    --- /dev/null
    +++ b/drivers/staging/ipack/TODO
    @@ -0,0 +1,15 @@
    + TODO
    + ====
    +
    +Bridge Support
    +==============
    +
    +TEWS TPCI-200 (tpci200)
    +-----------------------
    +
    +- Add automatic mezzanine recognition.
    +
    +TEWS TVME-200 (tvme200)
    +-----------------------
    +
    +Currently unsupported.
    diff --git a/drivers/staging/ipack/bridges/Kconfig b/drivers/staging/ipack/bridges/Kconfig
    new file mode 100644
    index 0000000..554302f
    --- /dev/null
    +++ b/drivers/staging/ipack/bridges/Kconfig
    @@ -0,0 +1,7 @@
    +config BOARD_TPCI200
    + bool "TEWS TPCI-200 support for IndustryPack bus"
    + depends on IPACK_BUS
    + help
    + This driver supports the TEWS TPCI200 device for the IndustryPack bus.
    + default n
    +
    diff --git a/drivers/staging/ipack/bridges/Makefile b/drivers/staging/ipack/bridges/Makefile
    new file mode 100644
    index 0000000..d8b7645
    --- /dev/null
    +++ b/drivers/staging/ipack/bridges/Makefile
    @@ -0,0 +1 @@
    +obj-$(CONFIG_BOARD_TPCI200) += tpci200.o
    diff --git a/drivers/staging/ipack/bridges/tpci200.c b/drivers/staging/ipack/bridges/tpci200.c
    new file mode 100644
    index 0000000..69948b9
    --- /dev/null
    +++ b/drivers/staging/ipack/bridges/tpci200.c
    @@ -0,0 +1,1163 @@
    +/**
    + * tpci200.c
    + *
    + * driver for the TEWS TPCI-200 device
    + * Copyright (c) 2009 Nicolas Serafini, EIC2 SA
    + * Copyright (c) 2010,2011 Samuel Iglesias Gonsalvez <siglesia@cern.ch>, CERN
    + * Copyright (c) 2012 Samuel Iglesias Gonsalvez <siglesias@igalia.com>, Igalia
    + *
    + * 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.
    + */
    +
    +#include <linux/module.h>
    +#include "tpci200.h"
    +
    +#define MODULE_NAME "tpci200"
    +#define PFX MODULE_NAME ": "
    +
    +struct ipack_bus_ops tpci200_bus_ops;
    +
    +/* TPCI200 controls registers */
    +static int control_reg[] = {
    + TPCI200_CONTROL_A_REG,
    + TPCI200_CONTROL_B_REG,
    + TPCI200_CONTROL_C_REG,
    + TPCI200_CONTROL_D_REG
    +};
    +
    +/* Linked list to save the registered devices */
    +static LIST_HEAD(tpci200_list);
    +
    +static int tpci200_slot_unregister(struct ipack_device *dev);
    +
    +static struct tpci200_board *check_slot(struct ipack_device *dev)
    +{
    + struct tpci200_board *tpci200 = NULL;
    + struct list_head *element, *next;
    + int found = 0;
    +
    + if (dev == NULL) {
    + printk(KERN_INFO PFX "Slot doesn't exist.\n");
    + return NULL;
    + }
    +
    + list_for_each_safe(element, next, &tpci200_list) {
    + tpci200 = list_entry(element, struct tpci200_board, list);
    + if (tpci200->number == dev->bus_nr) {
    + found = 1;
    + break;
    + }
    + }
    +
    + if (!found) {
    + printk(KERN_ERR PFX "Carrier not found\n");
    + return NULL;
    + }
    +
    + if (dev->slot >= TPCI200_NB_SLOT) {
    + printk(KERN_INFO PFX
    + "Slot [%s %d:%d] doesn't exist! Last tpci200 slot is %d.\n",
    + TPCI200_SHORTNAME,
    + dev->bus_nr, dev->slot,
    + TPCI200_NB_SLOT-1);
    + return NULL;
    + }
    +
    + BUG_ON(tpci200->slots == NULL);
    + if (tpci200->slots[dev->slot].dev == NULL) {
    + printk(KERN_INFO PFX "Slot [%s %d:%d] is not registered !\n",
    + TPCI200_SHORTNAME,
    + dev->bus_nr, dev->slot);
    + return NULL;
    + }
    +
    + return tpci200;
    +}
    +
    +static unsigned char __tpci200_read8(void *address, unsigned long offset)
    +{
    + return ioread8(address + (offset^1));
    +}
    +
    +static unsigned short __tpci200_read16(void *address, unsigned long offset)
    +{
    + return ioread16(address + offset);
    +}
    +
    +static unsigned int __tpci200_read32(void *address, unsigned long offset)
    +{
    +
    + return swahw32(ioread32(address + offset));
    +}
    +
    +static void __tpci200_write8(unsigned char value, void *address, unsigned long offset)
    +{
    + iowrite8(value, address+(offset^1));
    +}
    +
    +static void __tpci200_write16(unsigned short value, void *address, unsigned long offset)
    +{
    + iowrite16(value, address+offset);
    +}
    +
    +static void __tpci200_write32(unsigned int value, void *address, unsigned long offset)
    +{
    + iowrite32(swahw32(value), address+offset);
    +}
    +
    +struct ipack_addr_space *get_slot_address_space(struct ipack_device *dev, int space)
    +{
    + struct ipack_addr_space *addr;
    +
    + switch (space) {
    + case IPACK_IO_SPACE:
    + addr = &dev->io_space;
    + break;
    + case IPACK_ID_SPACE:
    + addr = &dev->id_space;
    + break;
    + case IPACK_MEM_SPACE:
    + addr = &dev->mem_space;
    + break;
    + default:
    + printk(KERN_ERR PFX "Slot [%s %d:%d] space number %d doesn't exist !\n",
    + TPCI200_SHORTNAME,
    + dev->bus_nr, dev->slot, space);
    + return NULL;
    + break;
    + }
    +
    + if ((addr->size == 0) || (addr->address == NULL)) {
    + printk(KERN_ERR PFX "Error, slot space not mapped !\n");
    + return NULL;
    + }
    +
    + return addr;
    +}
    +
    +/**
    + * tpci200_read8 - Read an unsigned char value on space with offset.
    + *
    + * @value Read value
    + * @dev Slot to read
    + * @space Space of the slot to read
    + * @offset Offset
    + *
    + */
    +int tpci200_read8(struct ipack_device *dev, int space, unsigned long offset, unsigned char *value)
    +{
    + struct ipack_addr_space *addr = NULL;
    + struct tpci200_board *tpci200 = NULL;
    +
    + tpci200 = check_slot(dev);
    + if (tpci200 == NULL)
    + return -EINVAL;
    +
    + addr = get_slot_address_space(dev, space);
    + if (addr == NULL)
    + return -EINVAL;
    +
    + if (offset >= addr->size) {
    + printk(KERN_ERR PFX "Error, slot space offset error !\n");
    + return -EFAULT;
    + }
    +
    + *value = __tpci200_read8(addr->address, offset);
    +
    + return 0;
    +}
    +
    +int tpci200_read16(struct ipack_device *dev, int space, unsigned long offset, unsigned short *value)
    +{
    + struct ipack_addr_space *addr = NULL;
    + struct tpci200_board *tpci200 = NULL;
    +
    + tpci200 = check_slot(dev);
    + if (tpci200 == NULL)
    + return -EINVAL;
    +
    + addr = get_slot_address_space(dev, space);
    + if (addr == NULL)
    + return -EINVAL;
    +
    + if ((offset+2) >= addr->size) {
    + printk(KERN_ERR PFX "Error, slot space offset error !\n");
    + return -EFAULT;
    + }
    + *value = __tpci200_read16(addr->address, offset);
    +
    + return 0;
    +}
    +
    +int tpci200_read32(struct ipack_device *dev, int space, unsigned long offset, unsigned int *value)
    +{
    + struct ipack_addr_space *addr = NULL;
    + struct tpci200_board *tpci200 = NULL;
    +
    + tpci200 = check_slot(dev);
    + if (tpci200 == NULL)
    + return -EINVAL;
    +
    + addr = get_slot_address_space(dev, space);
    + if (addr == NULL)
    + return -EINVAL;
    +
    + if ((offset+4) >= addr->size) {
    + printk(KERN_ERR PFX "Error, slot space offset error !\n");
    + return -EFAULT;
    + }
    +
    + *value = __tpci200_read32(addr->address, offset);
    +
    + return 0;
    +}
    +
    +int tpci200_write8(struct ipack_device *dev, int space, unsigned long offset, unsigned char value)
    +{
    + struct ipack_addr_space *addr = NULL;
    + struct tpci200_board *tpci200 = NULL;
    +
    + tpci200 = check_slot(dev);
    + if (tpci200 == NULL)
    + return -EINVAL;
    +
    + addr = get_slot_address_space(dev, space);
    + if (addr == NULL)
    + return -EINVAL;
    +
    + if (offset >= addr->size) {
    + printk(KERN_ERR PFX "Error, slot space offset error !\n");
    + return -EFAULT;
    + }
    +
    + __tpci200_write8(value, addr->address, offset);
    +
    + return 0;
    +}
    +
    +int tpci200_write16(struct ipack_device *dev, int space, unsigned long offset, unsigned short value)
    +{
    + struct ipack_addr_space *addr = NULL;
    + struct tpci200_board *tpci200 = NULL;
    +
    + tpci200 = check_slot(dev);
    + if (tpci200 == NULL)
    + return -EINVAL;
    +
    + addr = get_slot_address_space(dev, space);
    + if (addr == NULL)
    + return -EINVAL;
    +
    + if ((offset+2) >= addr->size) {
    + printk(KERN_ERR PFX "Error, slot space offset error !\n");
    + return -EFAULT;
    + }
    +
    + __tpci200_write16(value, addr->address, offset);
    +
    + return 0;
    +}
    +
    +int tpci200_write32(struct ipack_device *dev, int space, unsigned long offset, unsigned int value)
    +{
    + struct ipack_addr_space *addr = NULL;
    + struct tpci200_board *tpci200 = NULL;
    +
    + tpci200 = check_slot(dev);
    + if (tpci200 == NULL)
    + return -EINVAL;
    +
    + addr = get_slot_address_space(dev, space);
    + if (addr == NULL)
    + return -EINVAL;
    +
    + if ((offset+4) >= addr->size) {
    + printk(KERN_ERR PFX "Error, slot space offset error !\n");
    + return -EFAULT;
    + }
    +
    + __tpci200_write32(value, addr->address, offset);
    +
    + return 0;
    +}
    +
    +void tpci200_unregister(struct tpci200_board *tpci200)
    +{
    + int i;
    +
    + free_irq(tpci200->info->pdev->irq, (void *) tpci200);
    +
    + pci_iounmap(tpci200->info->pdev, tpci200->info->interface_regs);
    + pci_iounmap(tpci200->info->pdev, tpci200->info->ioidint_space);
    + pci_iounmap(tpci200->info->pdev, tpci200->info->mem8_space);
    +
    + pci_release_region(tpci200->info->pdev, TPCI200_IP_INTERFACE_BAR);
    + pci_release_region(tpci200->info->pdev, TPCI200_IO_ID_INT_SPACES_BAR);
    + pci_release_region(tpci200->info->pdev, TPCI200_MEM8_SPACE_BAR);
    +
    + pci_disable_device(tpci200->info->pdev);
    + pci_dev_put(tpci200->info->pdev);
    +
    + kfree(tpci200->info);
    +
    + for (i = 0; i < TPCI200_NB_SLOT; i++) {
    + tpci200->slots[i].io_phys.address = NULL;
    + tpci200->slots[i].io_phys.size = 0;
    + tpci200->slots[i].id_phys.address = NULL;
    + tpci200->slots[i].id_phys.size = 0;
    + tpci200->slots[i].mem_phys.address = NULL;
    + tpci200->slots[i].mem_phys.size = 0;
    + }
    +}
    +
    +static irqreturn_t tpci200_interrupt(int irq, void *dev_id)
    +{
    + struct tpci200_board *tpci200 = (struct tpci200_board *) dev_id;
    + int i;
    + unsigned long flags;
    + unsigned short status_reg, reg_value;
    + unsigned short unhandled_ints = 0;
    + irqreturn_t ret = IRQ_NONE;
    +
    + spin_lock_irqsave(&tpci200->info->access_lock, flags);
    +
    + /* Read status register */
    + status_reg = readw((unsigned short *)
    + (tpci200->info->interface_regs + TPCI200_STATUS_REG));
    +
    + if (status_reg & TPCI200_SLOT_INT_MASK) {
    + unhandled_ints = status_reg & TPCI200_SLOT_INT_MASK;
    + /* callback to the IRQ handler for the corresponding slot */
    + for (i = 0; i < TPCI200_NB_SLOT; i++) {
    + if ((tpci200->slots[i].irq != NULL) &&
    + (status_reg & ((TPCI200_A_INT0 | TPCI200_A_INT1) << (2*i)))) {
    +
    + ret = tpci200->slots[i].irq->handler(tpci200->slots[i].irq->arg);
    +
    + /* Dummy reads */
    + readw((unsigned short *)(tpci200->slots[i].dev->io_space.address + 0xC0));
    + readw((unsigned short *)(tpci200->slots[i].dev->io_space.address + 0xC2));
    +
    + unhandled_ints &= ~(((TPCI200_A_INT0 | TPCI200_A_INT1) << (2*i)));
    + }
    + }
    + }
    + /* Interrupt not handled are disabled */
    + if (unhandled_ints) {
    + for (i = 0; i < TPCI200_NB_SLOT; i++) {
    + if (unhandled_ints & ((TPCI200_INT0_EN | TPCI200_INT1_EN) << (2*i))) {
    + printk(KERN_ERR PFX
    + "No registered ISR for slot [%s %d:%d]!. IRQ will be disabled.\n",
    + TPCI200_SHORTNAME,
    + tpci200->number, i);
    + reg_value = readw((unsigned short *)(tpci200->info->interface_regs + control_reg[i]));
    + reg_value &= ~(TPCI200_INT0_EN | TPCI200_INT1_EN);
    + writew(reg_value, (unsigned short *)(tpci200->info->interface_regs + control_reg[i]));
    + }
    + }
    + }
    +
    + spin_unlock_irqrestore(&tpci200->info->access_lock, flags);
    + return ret;
    +}
    +
    +#ifdef CONFIG_SYSFS
    +
    +struct ipack_device *tpci200_slot_register(const char *board_name, int size, unsigned int tpci200_number,
    + unsigned int slot_position)
    +{
    + int found = 0;
    + struct ipack_device *dev = NULL;
    + struct tpci200_board *tpci200 = NULL;
    + struct list_head *element, *next;
    +
    + list_for_each_safe(element, next, &tpci200_list) {
    + tpci200 = list_entry(element, struct tpci200_board, list);
    + if (tpci200->number == tpci200_number) {
    + found = 1;
    + break;
    + }
    + }
    +
    + if (!found) {
    + printk(KERN_ERR PFX "carrier board not found for the device\n");
    + return NULL;
    + }
    +
    + if (slot_position >= TPCI200_NB_SLOT) {
    + printk(KERN_ERR PFX
    + "Slot [%s %d:%d] doesn't exist! Last tpci200 slot is %d.\n",
    + TPCI200_SHORTNAME,
    + tpci200_number, slot_position,
    + TPCI200_NB_SLOT-1);
    + goto out;
    + }
    +
    + if (mutex_lock_interruptible(&tpci200->mutex))
    + goto out;
    +
    + if (tpci200->slots[slot_position].dev != NULL) {
    + printk(KERN_ERR PFX "Slot [%s %d:%d] already installed !\n",
    + TPCI200_SHORTNAME,
    + tpci200_number, slot_position);
    + goto out_unlock;
    + }
    +
    + dev = kzalloc(sizeof(struct ipack_device), GFP_KERNEL);
    + if (dev == NULL) {
    + printk(KERN_ERR PFX
    + "Slot [%s %d:%d] Unable to allocate memory for new slot !\n",
    + TPCI200_SHORTNAME,
    + tpci200_number, slot_position);
    + goto out_unlock;
    + }
    +
    + if (size > IPACK_BOARD_NAME_SIZE) {
    + printk(KERN_WARNING PFX
    + "Slot [%s %d:%d] name (%s) too long (%d > %d). Will be truncated!\n",
    + TPCI200_SHORTNAME,
    + tpci200_number, slot_position,
    + board_name, (int)strlen(board_name), IPACK_BOARD_NAME_SIZE);
    +
    + size = IPACK_BOARD_NAME_SIZE;
    + }
    +
    + strncpy(dev->board_name, board_name, size-1);
    + dev->board_name[size-1] = '\0';
    + dev->bus_nr = tpci200->info->drv.bus_nr;
    + dev->slot = slot_position;
    + /*
    + * Give the same IRQ number as the slot number.
    + * The TPCI200 has assigned his own two IRQ by PCI bus driver
    + */
    + dev->irq = slot_position;
    +
    + dev->id_space.address = NULL;
    + dev->id_space.size = 0;
    + dev->io_space.address = NULL;
    + dev->io_space.size = 0;
    + dev->mem_space.address = NULL;
    + dev->mem_space.size = 0;
    +
    + /* Give the operations structure */
    + dev->ops = &tpci200_bus_ops;
    + tpci200->slots[slot_position].dev = dev;
    +
    + if (ipack_device_register(dev) < 0) {
    + tpci200_slot_unregister(dev);
    + kfree(dev);
    + }
    +
    +out_unlock:
    + mutex_unlock(&tpci200->mutex);
    +out:
    + return dev;
    +}
    +
    +static ssize_t tpci200_store_board(struct device *pdev, const char *buf, size_t count, int slot)
    +{
    + struct tpci200_board *card = dev_get_drvdata(pdev);
    + struct ipack_device *dev = card->slots[slot].dev;
    +
    + if (dev != NULL)
    + return -EBUSY;
    +
    + dev = tpci200_slot_register(buf, count, card->number, slot);
    + if (dev == NULL)
    + return -ENODEV;
    +
    + return count;
    +}
    +
    +static ssize_t tpci200_show_board(struct device *pdev, char *buf, int slot)
    +{
    + struct tpci200_board *card = dev_get_drvdata(pdev);
    + struct ipack_device *dev = card->slots[slot].dev;
    +
    + if (dev != NULL)
    + return snprintf(buf, PAGE_SIZE, "%s\n", dev->board_name);
    + else
    + return snprintf(buf, PAGE_SIZE, "none\n");
    +}
    +
    +
    + static ssize_t
    +tpci200_show_description(struct device *pdev, struct device_attribute *attr, char *buf)
    +{
    + return snprintf(buf, PAGE_SIZE, "TEWS tpci200 carrier PCI for Industry-pack mezzanines.\n");
    +}
    +
    + static ssize_t
    +tpci200_show_board_slot0(struct device *pdev, struct device_attribute *attr, char *buf)
    +{
    + return tpci200_show_board(pdev, buf, 0);
    +}
    +
    + static ssize_t
    +tpci200_store_board_slot0(struct device *pdev, struct device_attribute *attr, const char *buf, size_t count)
    +{
    + return tpci200_store_board(pdev, buf, count, 0);
    +}
    +
    + static ssize_t
    +tpci200_show_board_slot1(struct device *pdev, struct device_attribute *attr, char *buf)
    +{
    + return tpci200_show_board(pdev, buf, 1);
    +}
    +
    + static ssize_t
    +tpci200_store_board_slot1(struct device *pdev, struct device_attribute *attr, const char *buf, size_t count)
    +{
    + return tpci200_store_board(pdev, buf, count, 1);
    +}
    +
    + static ssize_t
    +tpci200_show_board_slot2(struct device *pdev, struct device_attribute *attr, char *buf)
    +{
    + return tpci200_show_board(pdev, buf, 2);
    +}
    +
    + static ssize_t
    +tpci200_store_board_slot2(struct device *pdev, struct device_attribute *attr, const char *buf, size_t count)
    +{
    + return tpci200_store_board(pdev, buf, count, 2);
    +}
    +
    +
    + static ssize_t
    +tpci200_show_board_slot3(struct device *pdev, struct device_attribute *attr, char *buf)
    +{
    + return tpci200_show_board(pdev, buf, 3);
    +}
    +
    + static ssize_t
    +tpci200_store_board_slot3(struct device *pdev, struct device_attribute *attr, const char *buf, size_t count)
    +{
    + return tpci200_store_board(pdev, buf, count, 3);
    +}
    +
    +/* Declaration of the device attributes for the TPCI200 */
    +static DEVICE_ATTR(description, S_IRUGO, tpci200_show_description, NULL);
    +static DEVICE_ATTR(board_slot0, S_IRUGO | S_IWUSR, tpci200_show_board_slot0, tpci200_store_board_slot0);
    +static DEVICE_ATTR(board_slot1, S_IRUGO | S_IWUSR, tpci200_show_board_slot1, tpci200_store_board_slot1);
    +static DEVICE_ATTR(board_slot2, S_IRUGO | S_IWUSR, tpci200_show_board_slot2, tpci200_store_board_slot2);
    +static DEVICE_ATTR(board_slot3, S_IRUGO | S_IWUSR, tpci200_show_board_slot3, tpci200_store_board_slot3);
    +
    +static struct attribute *tpci200_attrs[] = {
    + &dev_attr_description.attr,
    + &dev_attr_board_slot0.attr,
    + &dev_attr_board_slot1.attr,
    + &dev_attr_board_slot2.attr,
    + &dev_attr_board_slot3.attr,
    + NULL,
    +};
    +
    +static struct attribute_group tpci200_attr_group = {
    + .attrs = tpci200_attrs,
    +};
    +
    +int tpci200_create_sysfs_files(struct tpci200_board *card)
    +{
    + return sysfs_create_group(&card->info->pdev->dev.kobj, &tpci200_attr_group);
    +}
    +
    +void tpci200_remove_sysfs_files(struct tpci200_board *card)
    +{
    + sysfs_remove_group(&card->info->pdev->dev.kobj, &tpci200_attr_group);
    +}
    +
    +#else
    +
    +int tpci200_create_sysfs_files(struct tpci200_board *card)
    +{
    + return 0;
    +}
    +
    +void tpci200_remove_sysfs_files(struct tpci200_board *card)
    +{
    +}
    +
    +#endif /* CONFIG_SYSFS */
    +
    +static int tpci200_register(struct tpci200_board *tpci200)
    +{
    + int i;
    + int res = 0;
    + unsigned long ioidint_base = 0;
    + unsigned long mem_base = 0;
    + unsigned short slot_ctrl;
    +
    + if (pci_enable_device(tpci200->info->pdev) < 0)
    + return -ENODEV;
    +
    + if (tpci200_create_sysfs_files(tpci200) < 0) {
    + printk(KERN_ERR PFX "failed creating sysfs files\n");
    + res = -EFAULT;
    + goto out_disable_pci;
    + }
    +
    + /* Request IP interface register (Bar 2) */
    + res = pci_request_region(tpci200->info->pdev, TPCI200_IP_INTERFACE_BAR, "Carrier IP interface registers");
    + if (res) {
    + printk(KERN_ERR PFX
    + "(bn 0x%X, sn 0x%X, vid 0x%X, did 0x%X, svid 0x%X, sdid 0x%X) failed to allocate PCI resource for BAR 2 !",
    + tpci200->info->pdev->bus->number, tpci200->info->pdev->devfn,
    + tpci200->info->pdev->vendor, tpci200->info->pdev->device,
    + tpci200->info->pdev->subsystem_vendor, tpci200->info->pdev->subsystem_device);
    + goto out_remove_sysfs;
    + }
    +
    + /* Request IO ID INT space (Bar 3) */
    + res = pci_request_region(tpci200->info->pdev, TPCI200_IO_ID_INT_SPACES_BAR, "Carrier IO ID INT space");
    + if (res) {
    + printk(KERN_ERR PFX
    + "(bn 0x%X, sn 0x%X, vid 0x%X, did 0x%X, svid 0x%X, sdid 0x%X) failed to allocate PCI resource for BAR 3 !",
    + tpci200->info->pdev->bus->number, tpci200->info->pdev->devfn,
    + tpci200->info->pdev->vendor, tpci200->info->pdev->device,
    + tpci200->info->pdev->subsystem_vendor, tpci200->info->pdev->subsystem_device);
    + goto out_release_ip_space;
    + }
    +
    + /* Request MEM space (Bar 4) */
    + res = pci_request_region(tpci200->info->pdev, TPCI200_MEM8_SPACE_BAR, "Carrier MEM space");
    + if (res) {
    + printk(KERN_ERR PFX
    + "(bn 0x%X, sn 0x%X, vid 0x%X, did 0x%X, svid 0x%X, sdid 0x%X) failed to allocate PCI resource for BAR 4!",
    + tpci200->info->pdev->bus->number, tpci200->info->pdev->devfn,
    + tpci200->info->pdev->vendor, tpci200->info->pdev->device,
    + tpci200->info->pdev->subsystem_vendor, tpci200->info->pdev->subsystem_device);
    + goto out_release_ioid_int_space;
    + }
    +
    + /* Map internal tpci200 driver user space */
    + tpci200->info->interface_regs = ioremap(pci_resource_start(tpci200->info->pdev, TPCI200_IP_INTERFACE_BAR), TPCI200_IFACE_SIZE);
    + tpci200->info->ioidint_space = ioremap(pci_resource_start(tpci200->info->pdev, TPCI200_IO_ID_INT_SPACES_BAR), TPCI200_IOIDINT_SIZE);
    + tpci200->info->mem8_space = ioremap(pci_resource_start(tpci200->info->pdev, TPCI200_MEM8_SPACE_BAR), TPCI200_MEM8_SIZE);
    +
    + spin_lock_init(&tpci200->info->access_lock);
    + ioidint_base = pci_resource_start(tpci200->info->pdev, TPCI200_IO_ID_INT_SPACES_BAR);
    + mem_base = pci_resource_start(tpci200->info->pdev, TPCI200_MEM8_SPACE_BAR);
    +
    + /* Set the default parameters of the slot
    + * INT0 disabled, level sensitive
    + * INT1 disabled, level sensitive
    + * error interrupt disabled
    + * timeout interrupt disabled
    + * recover time disabled
    + * clock rate 8 MHz
    + */
    + slot_ctrl = 0;
    +
    + /* Set all slot physical address space */
    + for (i = 0; i < TPCI200_NB_SLOT; i++) {
    + tpci200->slots[i].io_phys.address = (void *)ioidint_base + TPCI200_IO_SPACE_OFF + TPCI200_IO_SPACE_GAP*i;
    + tpci200->slots[i].io_phys.size = TPCI200_IO_SPACE_SIZE;
    + tpci200->slots[i].id_phys.address = (void *)ioidint_base + TPCI200_ID_SPACE_OFF + TPCI200_ID_SPACE_GAP*i;
    + tpci200->slots[i].id_phys.size = TPCI200_ID_SPACE_SIZE;
    + tpci200->slots[i].mem_phys.address = (void *)mem_base + TPCI200_MEM8_GAP*i;
    + tpci200->slots[i].mem_phys.size = TPCI200_MEM8_SIZE;
    +
    + writew(slot_ctrl, (unsigned short *)(tpci200->info->interface_regs + control_reg[i]));
    + }
    +
    + res = request_irq(tpci200->info->pdev->irq, tpci200_interrupt, IRQF_SHARED, TPCI200_SHORTNAME, (void *) tpci200);
    + if (res) {
    + printk(KERN_ERR PFX
    + "(bn 0x%X, sn 0x%X, vid 0x%X, did 0x%X, svid 0x%X, sdid 0x%X) unable to register IRQ !",
    + tpci200->info->pdev->bus->number, tpci200->info->pdev->devfn,
    + TPCI200_VENDOR_ID, TPCI200_DEVICE_ID,
    + TPCI200_SUBVENDOR_ID, TPCI200_SUBDEVICE_ID);
    + tpci200_unregister(tpci200);
    + goto out_err;
    + }
    +
    + return 0;
    +
    +out_release_ioid_int_space:
    + pci_release_region(tpci200->info->pdev, TPCI200_IO_ID_INT_SPACES_BAR);
    +out_release_ip_space:
    + pci_release_region(tpci200->info->pdev, TPCI200_IP_INTERFACE_BAR);
    +out_remove_sysfs:
    + tpci200_remove_sysfs_files(tpci200);
    +out_disable_pci:
    + pci_disable_device(tpci200->info->pdev);
    +out_err:
    + return res;
    +}
    +
    +static int __tpci200_request_irq(struct tpci200_board *tpci200, struct ipack_device *dev)
    +{
    + unsigned short slot_ctrl;
    +
    + /* Set the default parameters of the slot
    + * INT0 enabled, level sensitive
    + * INT1 enabled, level sensitive
    + * error interrupt disabled
    + * timeout interrupt disabled
    + * recover time disabled
    + * clock rate 8 MHz
    + */
    + slot_ctrl = TPCI200_INT0_EN | TPCI200_INT1_EN;
    + writew(slot_ctrl, (unsigned short *)(tpci200->info->interface_regs + control_reg[dev->slot]));
    +
    + return 0;
    +}
    +
    +static void __tpci200_free_irq(struct tpci200_board *tpci200, struct ipack_device *dev)
    +{
    + unsigned short slot_ctrl;
    +
    + /* Set the default parameters of the slot
    + * INT0 disabled, level sensitive
    + * INT1 disabled, level sensitive
    + * error interrupt disabled
    + * timeout interrupt disabled
    + * recover time disabled
    + * clock rate 8 MHz
    + */
    + slot_ctrl = 0;
    + writew(slot_ctrl, (unsigned short *)(tpci200->info->interface_regs + control_reg[dev->slot]));
    +}
    +
    +int tpci200_free_irq(struct ipack_device *dev)
    +{
    + int res = 0;
    + struct slot_irq *slot_irq = NULL;
    + struct tpci200_board *tpci200 = NULL;
    +
    + tpci200 = check_slot(dev);
    + if (tpci200 == NULL) {
    + res = -EINVAL;
    + goto out;
    + }
    +
    + if (mutex_lock_interruptible(&tpci200->mutex)) {
    + res = -ERESTARTSYS;
    + goto out;
    + }
    +
    + if (tpci200->slots[dev->slot].irq == NULL) {
    + res = -EINVAL;
    + goto out_unlock;
    + }
    +
    + __tpci200_free_irq(tpci200, dev);
    + slot_irq = tpci200->slots[dev->slot].irq;
    + tpci200->slots[dev->slot].irq = NULL;
    + kfree(slot_irq);
    +
    +out_unlock:
    + mutex_unlock(&tpci200->mutex);
    +out:
    + return res;
    +}
    +
    +int tpci200_slot_unmap_space(struct ipack_device *dev, int space)
    +{
    + int res = 0;
    + struct ipack_addr_space *virt_addr_space = NULL;
    + struct tpci200_board *tpci200 = NULL;
    +
    + tpci200 = check_slot(dev);
    + if (tpci200 == NULL) {
    + res = -EINVAL;
    + goto out;
    + }
    +
    + if (mutex_lock_interruptible(&tpci200->mutex)) {
    + res = -ERESTARTSYS;
    + goto out;
    + }
    +
    + switch (space) {
    + case IPACK_IO_SPACE:
    + if (dev->io_space.address == NULL) {
    + printk(KERN_INFO PFX "Slot [%s %d:%d] IO space not mapped !\n",
    + TPCI200_SHORTNAME,
    + dev->bus_nr, dev->slot);
    + goto out_unlock;
    + }
    + virt_addr_space = &dev->io_space;
    + break;
    + case IPACK_ID_SPACE:
    + if (dev->id_space.address == NULL) {
    + printk(KERN_INFO PFX "Slot [%s %d:%d] ID space not mapped !\n",
    + TPCI200_SHORTNAME,
    + dev->bus_nr, dev->slot);
    + goto out_unlock;
    + }
    + virt_addr_space = &dev->id_space;
    + break;
    + case IPACK_MEM_SPACE:
    + if (dev->mem_space.address == NULL) {
    + printk(KERN_INFO PFX "Slot [%s %d:%d] MEM space not mapped !\n",
    + TPCI200_SHORTNAME,
    + dev->bus_nr, dev->slot);
    + goto out_unlock;
    + }
    + virt_addr_space = &dev->mem_space;
    + break;
    + default:
    + printk(KERN_ERR PFX "Slot [%s %d:%d] space number %d doesn't exist !\n",
    + TPCI200_SHORTNAME,
    + dev->bus_nr, dev->slot, space);
    + res = -EINVAL;
    + goto out_unlock;
    + break;
    + }
    +
    + iounmap(virt_addr_space->address);
    +
    + virt_addr_space->address = NULL;
    + virt_addr_space->size = 0;
    +out_unlock:
    + mutex_unlock(&tpci200->mutex);
    +out:
    + return res;
    +}
    +
    +int tpci200_slot_unregister(struct ipack_device *dev)
    +{
    + struct tpci200_board *tpci200 = NULL;
    +
    + if (dev == NULL)
    + return -ENODEV;
    +
    + tpci200 = check_slot(dev);
    + if (tpci200 == NULL)
    + return -EINVAL;
    +
    + tpci200_free_irq(dev);
    +
    + if (mutex_lock_interruptible(&tpci200->mutex))
    + return -ERESTARTSYS;
    +
    + ipack_device_unregister(dev);
    + kfree(dev);
    + tpci200->slots[dev->slot].dev = NULL;
    + mutex_unlock(&tpci200->mutex);
    +
    + return 0;
    +}
    +
    +int tpci200_slot_map_space(struct ipack_device *dev, unsigned int memory_size, int space)
    +{
    + int res = 0;
    + unsigned int size_to_map = 0;
    + void *phys_address = NULL;
    + struct ipack_addr_space *virt_addr_space = NULL;
    + struct tpci200_board *tpci200 = NULL;
    +
    + tpci200 = check_slot(dev);
    + if (tpci200 == NULL) {
    + res = -EINVAL;
    + goto out;
    + }
    +
    + if (mutex_lock_interruptible(&tpci200->mutex)) {
    + res = -ERESTARTSYS;
    + goto out;
    + }
    +
    + switch (space) {
    + case IPACK_IO_SPACE:
    + if (dev->io_space.address != NULL) {
    + printk(KERN_ERR PFX "Slot [%s %d:%d] IO space already mapped !\n",
    + TPCI200_SHORTNAME,
    + tpci200->number, dev->slot);
    + res = -EINVAL;
    + goto out_unlock;
    + }
    + virt_addr_space = &dev->io_space;
    +
    + phys_address = tpci200->slots[dev->slot].io_phys.address;
    + size_to_map = tpci200->slots[dev->slot].io_phys.size;
    + break;
    + case IPACK_ID_SPACE:
    + if (dev->id_space.address != NULL) {
    + printk(KERN_ERR PFX "Slot [%s %d:%d] ID space already mapped !\n",
    + TPCI200_SHORTNAME,
    + tpci200->number, dev->slot);
    + res = -EINVAL;
    + goto out_unlock;
    + }
    + virt_addr_space = &dev->id_space;
    +
    + phys_address = tpci200->slots[dev->slot].id_phys.address;
    + size_to_map = tpci200->slots[dev->slot].id_phys.size;
    + break;
    + case IPACK_MEM_SPACE:
    + if (dev->mem_space.address != NULL) {
    + printk(KERN_ERR PFX "Slot [%s %d:%d] MEM space already mapped !\n",
    + TPCI200_SHORTNAME,
    + tpci200->number, dev->slot);
    + res = -EINVAL;
    + goto out_unlock;
    + }
    + virt_addr_space = &dev->mem_space;
    +
    + if (memory_size > tpci200->slots[dev->slot].mem_phys.size) {
    + printk(KERN_ERR PFX
    + "Slot [%s %d:%d] request is 0x%X memory, only 0x%X available !\n",
    + TPCI200_SHORTNAME,
    + dev->bus_nr,
    + dev->slot,
    + memory_size,
    + tpci200->slots[dev->slot].mem_phys.size);
    + res = -EINVAL;
    + goto out_unlock;
    + }
    +
    + phys_address = tpci200->slots[dev->slot].mem_phys.address;
    + size_to_map = memory_size;
    + break;
    + default:
    + printk(KERN_ERR PFX "Slot [%s %d:%d] space %d doesn't exist !\n",
    + TPCI200_SHORTNAME,
    + tpci200->number, dev->slot, space);
    + res = -EINVAL;
    + goto out_unlock;
    + break;
    + }
    +
    + virt_addr_space->size = size_to_map;
    + virt_addr_space->address = ioremap((unsigned long)phys_address, size_to_map);
    +
    +out_unlock:
    + mutex_unlock(&tpci200->mutex);
    +out:
    + return res;
    +}
    +
    +int tpci200_request_irq(struct ipack_device *dev, int vector, int (*handler)(void *), void *arg)
    +{
    + int res = 0;
    + struct slot_irq *slot_irq = NULL;
    + struct tpci200_board *tpci200 = NULL;
    +
    + tpci200 = check_slot(dev);
    + if (tpci200 == NULL) {
    + res = -EINVAL;
    + goto out;
    + }
    +
    + if (mutex_lock_interruptible(&tpci200->mutex)) {
    + res = -ERESTARTSYS;
    + goto out;
    + }
    +
    + if (tpci200->slots[dev->slot].irq != NULL) {
    + printk(KERN_ERR PFX "Slot [%s %d:%d] IRQ already registered !\n",
    + TPCI200_SHORTNAME,
    + dev->bus_nr, dev->slot);
    + res = -EINVAL;
    + goto out_unlock;
    + }
    +
    + slot_irq = kzalloc(sizeof(struct slot_irq), GFP_KERNEL);
    + if (slot_irq == NULL) {
    + printk(KERN_ERR PFX "Slot [%s %d:%d] unable to allocate memory for IRQ !\n",
    + TPCI200_SHORTNAME,
    + dev->bus_nr, dev->slot);
    + res = -ENOMEM;
    + goto out_unlock;
    + }
    +
    + /*
    + * WARNING: Setup Interrupt Vector in the IndustryPack device
    + * before an IRQ request.
    + * Read the User Manual of your IndustryPack device to know
    + * where to write the vector in memory.
    + */
    + slot_irq->vector = vector;
    + slot_irq->handler = handler;
    + slot_irq->arg = arg;
    + if (dev->board_name) {
    + if (strlen(dev->board_name) > IPACK_IRQ_NAME_SIZE) {
    + printk(KERN_WARNING PFX
    + "Slot [%s %d:%d] IRQ name too long (%d char > %d char MAX). Will be truncated!\n",
    + TPCI200_SHORTNAME,
    + dev->bus_nr, dev->slot,
    + (int)strlen(dev->board_name), IPACK_IRQ_NAME_SIZE);
    + }
    + strncpy(slot_irq->name, dev->board_name, IPACK_IRQ_NAME_SIZE-1);
    + } else {
    + strcpy(slot_irq->name, "Unknown");
    + }
    +
    + tpci200->slots[dev->slot].irq = slot_irq;
    + res = __tpci200_request_irq(tpci200, dev);
    +
    +out_unlock:
    + mutex_unlock(&tpci200->mutex);
    +out:
    + return res;
    +}
    +
    +static void tpci200_uninstall(struct tpci200_board *tpci200)
    +{
    + int i;
    +
    + for (i = 0; i < TPCI200_NB_SLOT; i++) {
    + if (tpci200->slots[i].dev == NULL)
    + continue;
    + else
    + tpci200->slots[i].dev->driver->ops->remove(tpci200->slots[i].dev);
    + }
    +
    + tpci200_unregister(tpci200);
    +
    + if (tpci200->slots != NULL)
    + kfree(tpci200->slots);
    +}
    +
    +struct ipack_bus_ops tpci200_bus_ops = {
    + .map_space = tpci200_slot_map_space,
    + .unmap_space = tpci200_slot_unmap_space,
    + .request_irq = tpci200_request_irq,
    + .free_irq = tpci200_free_irq,
    + .read8 = tpci200_read8,
    + .read16 = tpci200_read16,
    + .read32 = tpci200_read32,
    + .write8 = tpci200_write8,
    + .write16 = tpci200_write16,
    + .write32 = tpci200_write32,
    + .remove_device = tpci200_slot_unregister,
    +};
    +
    +static int tpci200_install(struct tpci200_board *tpci200)
    +{
    + int res = 0;
    +
    + tpci200->slots = kzalloc(TPCI200_NB_SLOT * sizeof(struct tpci200_slot), GFP_KERNEL);
    + if (tpci200->slots == NULL) {
    + res = -ENOMEM;
    + goto out_err;
    + }
    +
    + res = tpci200_register(tpci200);
    + if (res)
    + goto out_free;
    +
    + mutex_init(&tpci200->mutex);
    + return 0;
    +
    +out_free:
    + kfree(tpci200->slots);
    + tpci200->slots = NULL;
    +out_err:
    + return res;
    +}
    +
    +static int tpci200_pciprobe(struct pci_dev *pdev, const struct pci_device_id *id)
    +{
    + int ret;
    + struct tpci200_board *tpci200;
    +
    + tpci200 = kzalloc(sizeof(struct tpci200_board), GFP_KERNEL);
    + if (!tpci200)
    + return -ENOMEM;
    +
    + tpci200->info = kzalloc(sizeof(struct tpci200_infos), GFP_KERNEL);
    + if (!tpci200->info) {
    + kfree(tpci200);
    + return -ENOMEM;
    + }
    +
    + /* Save struct pci_dev pointer */
    + tpci200->info->pdev = pdev;
    + tpci200->info->id_table = (struct pci_device_id *)id;
    +
    + /* register the device and initialize it */
    + ret = tpci200_install(tpci200);
    + if (ret) {
    + printk(KERN_ERR PFX "Error during tpci200 install !\n");
    + kfree(tpci200->info);
    + kfree(tpci200);
    + return -ENODEV;
    + }
    +
    + tpci200->info->drv.dev = &pdev->dev;
    + tpci200->info->drv.slots = TPCI200_NB_SLOT;
    +
    + /* Register the bus in the industry pack driver */
    + ret = ipack_bus_register(&tpci200->info->drv);
    + if (ret < 0) {
    + printk(KERN_ERR PFX "error registering the carrier on ipack driver\n");
    + tpci200_uninstall(tpci200);
    + kfree(tpci200->info);
    + kfree(tpci200);
    + return -EFAULT;
    + }
    + /* save the bus number given by ipack to logging purpose */
    + tpci200->number = tpci200->info->drv.bus_nr;
    + dev_set_drvdata(&pdev->dev, tpci200);
    + /* add the registered device in an internal linked list */
    + list_add_tail(&tpci200->list, &tpci200_list);
    + return ret;
    +}
    +
    +static void __tpci200_pci_remove(struct tpci200_board *tpci200)
    +{
    + tpci200_uninstall(tpci200);
    + tpci200_remove_sysfs_files(tpci200);
    + list_del(&tpci200->list);
    + ipack_bus_unregister(&tpci200->info->drv);
    + kfree(tpci200);
    +}
    +
    +static void __devexit tpci200_pci_remove(struct pci_dev *dev)
    +{
    + struct tpci200_board *tpci200;
    + struct list_head *element, *next;
    +
    + /* Search the registered device to uninstalled it */
    + list_for_each_safe(element, next, &tpci200_list) {
    + tpci200 = list_entry(element, struct tpci200_board, list);
    + if (tpci200->info->pdev == dev) {
    + __tpci200_pci_remove(tpci200);
    + break;
    + }
    + }
    +}
    +
    +static struct pci_device_id tpci200_idtable[2]; /* last must be zero */
    +
    +static struct pci_driver tpci200_pci_drv = {
    + .name = "tpci200",
    + .id_table = tpci200_idtable,
    + .probe = tpci200_pciprobe,
    + .remove = __devexit_p(tpci200_pci_remove),
    + .remove = NULL,
    +};
    +
    +static int __init tpci200_drvr_init_module(void)
    +{
    + tpci200_idtable[0].vendor = TPCI200_VENDOR_ID;
    + tpci200_idtable[0].device = TPCI200_DEVICE_ID;
    + tpci200_idtable[0].subvendor = TPCI200_SUBVENDOR_ID;
    + tpci200_idtable[0].subdevice = TPCI200_SUBDEVICE_ID;
    + return pci_register_driver(&tpci200_pci_drv);
    +}
    +
    +static void __exit tpci200_drvr_exit_module(void)
    +{
    + struct tpci200_board *tpci200;
    + struct list_head *element, *next;
    +
    + list_for_each_safe(element, next, &tpci200_list) {
    + tpci200 = list_entry(element, struct tpci200_board, list);
    + __tpci200_pci_remove(tpci200);
    + }
    +
    + pci_unregister_driver(&tpci200_pci_drv);
    +}
    +
    +MODULE_DESCRIPTION("TEWS TPCI-200 device driver");
    +MODULE_LICENSE("GPL");
    +module_init(tpci200_drvr_init_module);
    +module_exit(tpci200_drvr_exit_module);
    +
    diff --git a/drivers/staging/ipack/bridges/tpci200.h b/drivers/staging/ipack/bridges/tpci200.h
    new file mode 100644
    index 0000000..e452da2
    --- /dev/null
    +++ b/drivers/staging/ipack/bridges/tpci200.h
    @@ -0,0 +1,165 @@
    +/**
    + * tpci200.h
    + *
    + * driver for the carrier TEWS TPCI-200
    + * Copyright (c) 2009 Nicolas Serafini, EIC2 SA
    + * Copyright (c) 2010,2011 Samuel Iglesias Gonsalvez <siglesia@cern.ch>, CERN
    + * Copyright (c) 2012 Samuel Iglesias Gonsalvez <siglesias@igalia.com>, Igalia
    + *
    + * 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 _TPCI200_H_
    +#define _TPCI200_H_
    +
    +#include <linux/version.h>
    +#include <linux/limits.h>
    +#include <linux/pci.h>
    +#include <linux/spinlock.h>
    +#include <linux/interrupt.h>
    +#include <linux/swab.h>
    +#include <linux/io.h>
    +
    +#include "../ipack.h"
    +
    +#define TPCI200_SHORTNAME "TPCI200"
    +
    +#define TPCI200_NB_SLOT 0x4
    +#define TPCI200_NB_BAR 0x6
    +
    +#define TPCI200_VENDOR_ID 0x1498
    +#define TPCI200_DEVICE_ID 0x30C8
    +#define TPCI200_SUBVENDOR_ID 0x1498
    +#define TPCI200_SUBDEVICE_ID 0x300A
    +
    +#define TPCI200_IP_INTERFACE_BAR 2
    +#define TPCI200_IO_ID_INT_SPACES_BAR 3
    +#define TPCI200_MEM16_SPACE_BAR 4
    +#define TPCI200_MEM8_SPACE_BAR 5
    +
    +#define TPCI200_REVISION_REG 0x00
    +#define TPCI200_CONTROL_A_REG 0x02
    +#define TPCI200_CONTROL_B_REG 0x04
    +#define TPCI200_CONTROL_C_REG 0x06
    +#define TPCI200_CONTROL_D_REG 0x08
    +#define TPCI200_RESET_REG 0x0A
    +#define TPCI200_STATUS_REG 0x0C
    +
    +#define TPCI200_IFACE_SIZE 0x100
    +
    +#define TPCI200_IO_SPACE_OFF 0x0000
    +#define TPCI200_IO_SPACE_GAP 0x0100
    +#define TPCI200_IO_SPACE_SIZE 0x0080
    +#define TPCI200_ID_SPACE_OFF 0x0080
    +#define TPCI200_ID_SPACE_GAP 0x0100
    +#define TPCI200_ID_SPACE_SIZE 0x0040
    +#define TPCI200_INT_SPACE_OFF 0x00C0
    +#define TPCI200_INT_SPACE_GAP 0x0100
    +#define TPCI200_INT_SPACE_SIZE 0x0040
    +#define TPCI200_IOIDINT_SIZE 0x0400
    +
    +#define TPCI200_MEM8_GAP 0x00400000
    +#define TPCI200_MEM8_SIZE 0x00400000
    +#define TPCI200_MEM16_GAP 0x00800000
    +#define TPCI200_MEM16_SIZE 0x00800000
    +
    +#define TPCI200_INT0_EN 0x0040
    +#define TPCI200_INT1_EN 0x0080
    +#define TPCI200_INT0_EDGE 0x0010
    +#define TPCI200_INT1_EDGE 0x0020
    +#define TPCI200_ERR_INT_EN 0x0008
    +#define TPCI200_TIME_INT_EN 0x0004
    +#define TPCI200_RECOVER_EN 0x0002
    +#define TPCI200_CLK32 0x0001
    +
    +#define TPCI200_A_RESET 0x0001
    +#define TPCI200_B_RESET 0x0002
    +#define TPCI200_C_RESET 0x0004
    +#define TPCI200_D_RESET 0x0008
    +
    +#define TPCI200_A_TIMEOUT 0x1000
    +#define TPCI200_B_TIMEOUT 0x2000
    +#define TPCI200_C_TIMEOUT 0x4000
    +#define TPCI200_D_TIMEOUT 0x8000
    +
    +#define TPCI200_A_ERROR 0x0100
    +#define TPCI200_B_ERROR 0x0200
    +#define TPCI200_C_ERROR 0x0400
    +#define TPCI200_D_ERROR 0x0800
    +
    +#define TPCI200_A_INT0 0x0001
    +#define TPCI200_A_INT1 0x0002
    +#define TPCI200_B_INT0 0x0004
    +#define TPCI200_B_INT1 0x0008
    +#define TPCI200_C_INT0 0x0010
    +#define TPCI200_C_INT1 0x0020
    +#define TPCI200_D_INT0 0x0040
    +#define TPCI200_D_INT1 0x0080
    +
    +#define TPCI200_SLOT_INT_MASK 0x00FF
    +
    +#define VME_IOID_SPACE "IOID"
    +#define VME_MEM_SPACE "MEM"
    +
    +/**
    + * struct slot_irq - slot IRQ definition.
    + * @vector Vector number
    + * @handler Handler called when IRQ arrives
    + * @arg Handler argument
    + * @name IRQ name
    + *
    + */
    +struct slot_irq {
    + int vector;
    + int (*handler)(void *);
    + void *arg;
    + char name[IPACK_IRQ_NAME_SIZE];
    +};
    +
    +/**
    + * struct tpci200_slot - data specific to the tpci200 slot.
    + * @slot_id Slot identification gived to external interface
    + * @irq Slot IRQ infos
    + * @io_phys IO physical base address register of the slot
    + * @id_phys ID physical base address register of the slot
    + * @mem_phys MEM physical base address register of the slot
    + *
    + */
    +struct tpci200_slot {
    + struct ipack_device *dev;
    + struct slot_irq *irq;
    + struct ipack_addr_space io_phys;
    + struct ipack_addr_space id_phys;
    + struct ipack_addr_space mem_phys;
    +};
    +
    +/**
    + * struct tpci200_infos - informations specific of the TPCI200 tpci200.
    + * @pci_dev PCI device
    + * @interface_regs Pointer to IP interface space (Bar 2)
    + * @ioidint_space Pointer to IP ID, IO and INT space (Bar 3)
    + * @mem8_space Pointer to MEM space (Bar 4)
    + * @access_lock Mutex lock for simultaneous access
    + *
    + */
    +struct tpci200_infos {
    + struct pci_dev *pdev;
    + struct pci_device_id *id_table;
    + void *interface_regs;
    + void *ioidint_space;
    + void *mem8_space;
    + spinlock_t access_lock;
    + struct ipack_bus_device drv;
    +};
    +struct tpci200_board {
    + struct list_head list;
    + unsigned int number;
    + struct mutex mutex;
    + struct tpci200_slot *slots;
    + struct tpci200_infos *info;
    +};
    +
    +#endif /* _TPCI200_H_ */
    --
    1.7.10


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