diff options
Diffstat (limited to 'drivers/staging/ipack/bridges')
-rw-r--r-- | drivers/staging/ipack/bridges/Kconfig | 8 | ||||
-rw-r--r-- | drivers/staging/ipack/bridges/Makefile | 1 | ||||
-rw-r--r-- | drivers/staging/ipack/bridges/tpci200.c | 780 | ||||
-rw-r--r-- | drivers/staging/ipack/bridges/tpci200.h | 172 |
4 files changed, 0 insertions, 961 deletions
diff --git a/drivers/staging/ipack/bridges/Kconfig b/drivers/staging/ipack/bridges/Kconfig deleted file mode 100644 index 97c837e..0000000 --- a/drivers/staging/ipack/bridges/Kconfig +++ /dev/null @@ -1,8 +0,0 @@ -config BOARD_TPCI200 - tristate "TEWS TPCI-200 support for IndustryPack bus" - depends on IPACK_BUS - depends on PCI - 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 deleted file mode 100644 index d8b7645..0000000 --- a/drivers/staging/ipack/bridges/Makefile +++ /dev/null @@ -1 +0,0 @@ -obj-$(CONFIG_BOARD_TPCI200) += tpci200.o diff --git a/drivers/staging/ipack/bridges/tpci200.c b/drivers/staging/ipack/bridges/tpci200.c deleted file mode 100644 index 46d6657..0000000 --- a/drivers/staging/ipack/bridges/tpci200.c +++ /dev/null @@ -1,780 +0,0 @@ -/** - * 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; version 2 of the License. - */ - -#include <linux/module.h> -#include <linux/slab.h> -#include "tpci200.h" - -static u16 tpci200_status_timeout[] = { - TPCI200_A_TIMEOUT, - TPCI200_B_TIMEOUT, - TPCI200_C_TIMEOUT, - TPCI200_D_TIMEOUT, -}; - -static u16 tpci200_status_error[] = { - TPCI200_A_ERROR, - TPCI200_B_ERROR, - TPCI200_C_ERROR, - TPCI200_D_ERROR, -}; - -static struct tpci200_board *check_slot(struct ipack_device *dev) -{ - struct tpci200_board *tpci200; - - if (dev == NULL) - return NULL; - - - tpci200 = dev_get_drvdata(dev->bus->parent); - - if (tpci200 == NULL) { - dev_info(&dev->dev, "carrier board not found\n"); - return NULL; - } - - if (dev->slot >= TPCI200_NB_SLOT) { - dev_info(&dev->dev, - "Slot [%d:%d] doesn't exist! Last tpci200 slot is %d.\n", - dev->bus_nr, dev->slot, TPCI200_NB_SLOT-1); - return NULL; - } - - return tpci200; -} - -static void tpci200_clear_mask(struct tpci200_board *tpci200, - __le16 __iomem *addr, u16 mask) -{ - unsigned long flags; - spin_lock_irqsave(&tpci200->regs_lock, flags); - iowrite16(ioread16(addr) & (~mask), addr); - spin_unlock_irqrestore(&tpci200->regs_lock, flags); -} - -static void tpci200_set_mask(struct tpci200_board *tpci200, - __le16 __iomem *addr, u16 mask) -{ - unsigned long flags; - spin_lock_irqsave(&tpci200->regs_lock, flags); - iowrite16(ioread16(addr) | mask, addr); - spin_unlock_irqrestore(&tpci200->regs_lock, flags); -} - -static 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_iounmap(tpci200->info->pdev, tpci200->info->cfg_regs); - - 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_release_region(tpci200->info->pdev, TPCI200_CFG_MEM_BAR); - - pci_disable_device(tpci200->info->pdev); - pci_dev_put(tpci200->info->pdev); - - 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].int_phys.address = NULL; - tpci200->slots[i].int_phys.size = 0; - tpci200->slots[i].mem_phys.address = NULL; - tpci200->slots[i].mem_phys.size = 0; - } -} - -static void tpci200_enable_irq(struct tpci200_board *tpci200, - int islot) -{ - tpci200_set_mask(tpci200, - &tpci200->info->interface_regs->control[islot], - TPCI200_INT0_EN | TPCI200_INT1_EN); -} - -static void tpci200_disable_irq(struct tpci200_board *tpci200, - int islot) -{ - tpci200_clear_mask(tpci200, - &tpci200->info->interface_regs->control[islot], - TPCI200_INT0_EN | TPCI200_INT1_EN); -} - -static irqreturn_t tpci200_slot_irq(struct slot_irq *slot_irq) -{ - irqreturn_t ret; - - if (!slot_irq) - return -ENODEV; - ret = slot_irq->handler(slot_irq->arg); - - return ret; -} - -static irqreturn_t tpci200_interrupt(int irq, void *dev_id) -{ - struct tpci200_board *tpci200 = (struct tpci200_board *) dev_id; - struct slot_irq *slot_irq; - irqreturn_t ret; - u16 status_reg; - int i; - - /* Read status register */ - status_reg = ioread16(&tpci200->info->interface_regs->status); - - /* Did we cause the interrupt? */ - if (!(status_reg & TPCI200_SLOT_INT_MASK)) - return IRQ_NONE; - - /* callback to the IRQ handler for the corresponding slot */ - rcu_read_lock(); - for (i = 0; i < TPCI200_NB_SLOT; i++) { - if (!(status_reg & ((TPCI200_A_INT0 | TPCI200_A_INT1) << (2 * i)))) - continue; - slot_irq = rcu_dereference(tpci200->slots[i].irq); - ret = tpci200_slot_irq(slot_irq); - if (ret == -ENODEV) { - dev_info(&tpci200->info->pdev->dev, - "No registered ISR for slot [%d:%d]!. IRQ will be disabled.\n", - tpci200->number, i); - tpci200_disable_irq(tpci200, i); - } - } - rcu_read_unlock(); - - return IRQ_HANDLED; -} - -static int tpci200_free_irq(struct ipack_device *dev) -{ - struct slot_irq *slot_irq; - struct tpci200_board *tpci200; - - tpci200 = check_slot(dev); - if (tpci200 == NULL) - return -EINVAL; - - if (mutex_lock_interruptible(&tpci200->mutex)) - return -ERESTARTSYS; - - if (tpci200->slots[dev->slot].irq == NULL) { - mutex_unlock(&tpci200->mutex); - return -EINVAL; - } - - tpci200_disable_irq(tpci200, dev->slot); - slot_irq = tpci200->slots[dev->slot].irq; - /* uninstall handler */ - RCU_INIT_POINTER(tpci200->slots[dev->slot].irq, NULL); - synchronize_rcu(); - kfree(slot_irq); - mutex_unlock(&tpci200->mutex); - return 0; -} - -static int tpci200_request_irq(struct ipack_device *dev, - irqreturn_t (*handler)(void *), void *arg) -{ - int res = 0; - struct slot_irq *slot_irq; - struct tpci200_board *tpci200; - - tpci200 = check_slot(dev); - if (tpci200 == NULL) - return -EINVAL; - - if (mutex_lock_interruptible(&tpci200->mutex)) - return -ERESTARTSYS; - - if (tpci200->slots[dev->slot].irq != NULL) { - dev_err(&dev->dev, - "Slot [%d:%d] IRQ already registered !\n", dev->bus_nr, - dev->slot); - res = -EINVAL; - goto out_unlock; - } - - slot_irq = kzalloc(sizeof(struct slot_irq), GFP_KERNEL); - if (slot_irq == NULL) { - dev_err(&dev->dev, - "Slot [%d:%d] unable to allocate memory for IRQ !\n", - 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->handler = handler; - slot_irq->arg = arg; - slot_irq->holder = dev; - - rcu_assign_pointer(tpci200->slots[dev->slot].irq, slot_irq); - tpci200_enable_irq(tpci200, dev->slot); - -out_unlock: - mutex_unlock(&tpci200->mutex); - return res; -} - -static int tpci200_register(struct tpci200_board *tpci200) -{ - int i; - int res; - unsigned long ioidint_base; - unsigned long mem_base; - unsigned short slot_ctrl; - - if (pci_enable_device(tpci200->info->pdev) < 0) - return -ENODEV; - - /* Request IP interface register (Bar 2) */ - res = pci_request_region(tpci200->info->pdev, TPCI200_IP_INTERFACE_BAR, - "Carrier IP interface registers"); - if (res) { - dev_err(&tpci200->info->pdev->dev, - "(bn 0x%X, sn 0x%X) failed to allocate PCI resource for BAR 2 !", - tpci200->info->pdev->bus->number, - tpci200->info->pdev->devfn); - goto out_disable_pci; - } - - /* 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) { - dev_err(&tpci200->info->pdev->dev, - "(bn 0x%X, sn 0x%X) failed to allocate PCI resource for BAR 3 !", - tpci200->info->pdev->bus->number, - tpci200->info->pdev->devfn); - 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) { - dev_err(&tpci200->info->pdev->dev, - "(bn 0x%X, sn 0x%X) failed to allocate PCI resource for BAR 4!", - tpci200->info->pdev->bus->number, - tpci200->info->pdev->devfn); - goto out_release_ioid_int_space; - } - - /* Map internal tpci200 driver user space */ - tpci200->info->interface_regs = - ioremap_nocache(pci_resource_start(tpci200->info->pdev, - TPCI200_IP_INTERFACE_BAR), - TPCI200_IFACE_SIZE); - tpci200->info->ioidint_space = - ioremap_nocache(pci_resource_start(tpci200->info->pdev, - TPCI200_IO_ID_INT_SPACES_BAR), - TPCI200_IOIDINT_SIZE); - tpci200->info->mem8_space = - ioremap_nocache(pci_resource_start(tpci200->info->pdev, - TPCI200_MEM8_SPACE_BAR), - TPCI200_MEM8_SIZE); - - /* Initialize lock that protects interface_regs */ - spin_lock_init(&tpci200->regs_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 __iomem *)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 __iomem *)ioidint_base + - TPCI200_ID_SPACE_OFF + TPCI200_ID_SPACE_GAP*i; - tpci200->slots[i].id_phys.size = TPCI200_ID_SPACE_SIZE; - - tpci200->slots[i].int_phys.address = - (void __iomem *)ioidint_base + - TPCI200_INT_SPACE_OFF + TPCI200_INT_SPACE_GAP * i; - tpci200->slots[i].int_phys.size = TPCI200_INT_SPACE_SIZE; - - tpci200->slots[i].mem_phys.address = - (void __iomem *)mem_base + TPCI200_MEM8_GAP*i; - tpci200->slots[i].mem_phys.size = TPCI200_MEM8_SIZE; - - writew(slot_ctrl, &tpci200->info->interface_regs->control[i]); - } - - res = request_irq(tpci200->info->pdev->irq, - tpci200_interrupt, IRQF_SHARED, - KBUILD_MODNAME, (void *) tpci200); - if (res) { - dev_err(&tpci200->info->pdev->dev, - "(bn 0x%X, sn 0x%X) unable to register IRQ !", - tpci200->info->pdev->bus->number, - tpci200->info->pdev->devfn); - goto out_release_ioid_int_space; - } - - 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_disable_pci: - pci_disable_device(tpci200->info->pdev); - return res; -} - -static int tpci200_slot_unmap_space(struct ipack_device *dev, int space) -{ - struct ipack_addr_space *virt_addr_space; - struct tpci200_board *tpci200; - - tpci200 = check_slot(dev); - if (tpci200 == NULL) - return -EINVAL; - - if (mutex_lock_interruptible(&tpci200->mutex)) - return -ERESTARTSYS; - - switch (space) { - case IPACK_IO_SPACE: - if (dev->io_space.address == NULL) { - dev_info(&dev->dev, - "Slot [%d:%d] IO space not mapped !\n", - 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) { - dev_info(&dev->dev, - "Slot [%d:%d] ID space not mapped !\n", - dev->bus_nr, dev->slot); - goto out_unlock; - } - virt_addr_space = &dev->id_space; - break; - case IPACK_INT_SPACE: - if (dev->int_space.address == NULL) { - dev_info(&dev->dev, - "Slot [%d:%d] INT space not mapped !\n", - dev->bus_nr, dev->slot); - goto out_unlock; - } - virt_addr_space = &dev->int_space; - break; - case IPACK_MEM_SPACE: - if (dev->mem_space.address == NULL) { - dev_info(&dev->dev, - "Slot [%d:%d] MEM space not mapped !\n", - dev->bus_nr, dev->slot); - goto out_unlock; - } - virt_addr_space = &dev->mem_space; - break; - default: - dev_err(&dev->dev, - "Slot [%d:%d] space number %d doesn't exist !\n", - dev->bus_nr, dev->slot, space); - mutex_unlock(&tpci200->mutex); - return -EINVAL; - } - - iounmap(virt_addr_space->address); - - virt_addr_space->address = NULL; - virt_addr_space->size = 0; -out_unlock: - mutex_unlock(&tpci200->mutex); - return 0; -} - -static int tpci200_slot_map_space(struct ipack_device *dev, - unsigned int memory_size, int space) -{ - int res = 0; - unsigned int size_to_map; - void __iomem *phys_address; - struct ipack_addr_space *virt_addr_space; - struct tpci200_board *tpci200; - - tpci200 = check_slot(dev); - if (tpci200 == NULL) - return -EINVAL; - - if (mutex_lock_interruptible(&tpci200->mutex)) - return -ERESTARTSYS; - - switch (space) { - case IPACK_IO_SPACE: - if (dev->io_space.address != NULL) { - dev_err(&dev->dev, - "Slot [%d:%d] IO space already mapped !\n", - 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) { - dev_err(&dev->dev, - "Slot [%d:%d] ID space already mapped !\n", - 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_INT_SPACE: - if (dev->int_space.address != NULL) { - dev_err(&dev->dev, - "Slot [%d:%d] INT space already mapped !\n", - tpci200->number, dev->slot); - res = -EINVAL; - goto out_unlock; - } - virt_addr_space = &dev->int_space; - - phys_address = tpci200->slots[dev->slot].int_phys.address; - size_to_map = tpci200->slots[dev->slot].int_phys.size; - break; - case IPACK_MEM_SPACE: - if (dev->mem_space.address != NULL) { - dev_err(&dev->dev, - "Slot [%d:%d] MEM space already mapped !\n", - 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) { - dev_err(&dev->dev, - "Slot [%d:%d] request is 0x%X memory, only 0x%X available !\n", - 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: - dev_err(&dev->dev, "Slot [%d:%d] space %d doesn't exist !\n", - tpci200->number, dev->slot, space); - res = -EINVAL; - goto out_unlock; - } - - virt_addr_space->size = size_to_map; - virt_addr_space->address = - ioremap_nocache((unsigned long)phys_address, size_to_map); - -out_unlock: - mutex_unlock(&tpci200->mutex); - return res; -} - -static int tpci200_get_clockrate(struct ipack_device *dev) -{ - struct tpci200_board *tpci200 = check_slot(dev); - __le16 __iomem *addr; - - if (!tpci200) - return -ENODEV; - - addr = &tpci200->info->interface_regs->control[dev->slot]; - return (ioread16(addr) & TPCI200_CLK32) ? 32 : 8; -} - -static int tpci200_set_clockrate(struct ipack_device *dev, int mherz) -{ - struct tpci200_board *tpci200 = check_slot(dev); - __le16 __iomem *addr; - - if (!tpci200) - return -ENODEV; - - addr = &tpci200->info->interface_regs->control[dev->slot]; - - switch (mherz) { - case 8: - tpci200_clear_mask(tpci200, addr, TPCI200_CLK32); - break; - case 32: - tpci200_set_mask(tpci200, addr, TPCI200_CLK32); - break; - default: - return -EINVAL; - } - return 0; -} - -static int tpci200_get_error(struct ipack_device *dev) -{ - struct tpci200_board *tpci200 = check_slot(dev); - __le16 __iomem *addr; - u16 mask; - - if (!tpci200) - return -ENODEV; - - addr = &tpci200->info->interface_regs->status; - mask = tpci200_status_error[dev->slot]; - return (ioread16(addr) & mask) ? 1 : 0; -} - -static int tpci200_get_timeout(struct ipack_device *dev) -{ - struct tpci200_board *tpci200 = check_slot(dev); - __le16 __iomem *addr; - u16 mask; - - if (!tpci200) - return -ENODEV; - - addr = &tpci200->info->interface_regs->status; - mask = tpci200_status_timeout[dev->slot]; - - return (ioread16(addr) & mask) ? 1 : 0; -} - -static int tpci200_reset_timeout(struct ipack_device *dev) -{ - struct tpci200_board *tpci200 = check_slot(dev); - __le16 __iomem *addr; - u16 mask; - - if (!tpci200) - return -ENODEV; - - addr = &tpci200->info->interface_regs->status; - mask = tpci200_status_timeout[dev->slot]; - - iowrite16(mask, addr); - return 0; -} - -static void tpci200_uninstall(struct tpci200_board *tpci200) -{ - tpci200_unregister(tpci200); - kfree(tpci200->slots); -} - -static const 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, - .get_clockrate = tpci200_get_clockrate, - .set_clockrate = tpci200_set_clockrate, - .get_error = tpci200_get_error, - .get_timeout = tpci200_get_timeout, - .reset_timeout = tpci200_reset_timeout, -}; - -static int tpci200_install(struct tpci200_board *tpci200) -{ - int res; - - tpci200->slots = kzalloc( - TPCI200_NB_SLOT * sizeof(struct tpci200_slot), GFP_KERNEL); - if (tpci200->slots == NULL) - return -ENOMEM; - - res = tpci200_register(tpci200); - if (res) { - kfree(tpci200->slots); - tpci200->slots = NULL; - return res; - } - - mutex_init(&tpci200->mutex); - return 0; -} - -static int tpci200_pci_probe(struct pci_dev *pdev, - const struct pci_device_id *id) -{ - int ret, i; - struct tpci200_board *tpci200; - u32 reg32; - - tpci200 = kzalloc(sizeof(struct tpci200_board), GFP_KERNEL); - if (!tpci200) - return -ENOMEM; - - tpci200->info = kzalloc(sizeof(struct tpci200_infos), GFP_KERNEL); - if (!tpci200->info) { - ret = -ENOMEM; - goto out_err_info; - } - - pci_dev_get(pdev); - - /* Obtain a mapping of the carrier's PCI configuration registers */ - ret = pci_request_region(pdev, TPCI200_CFG_MEM_BAR, - KBUILD_MODNAME " Configuration Memory"); - if (ret) { - dev_err(&pdev->dev, "Failed to allocate PCI Configuration Memory"); - ret = -EBUSY; - goto out_err_pci_request; - } - tpci200->info->cfg_regs = ioremap_nocache( - pci_resource_start(pdev, TPCI200_CFG_MEM_BAR), - pci_resource_len(pdev, TPCI200_CFG_MEM_BAR)); - if (!tpci200->info->cfg_regs) { - dev_err(&pdev->dev, "Failed to map PCI Configuration Memory"); - ret = -EFAULT; - goto out_err_ioremap; - } - - /* Disable byte swapping for 16 bit IP module access. This will ensure - * that the Industrypack big endian byte order is preserved by the - * carrier. */ - reg32 = ioread32(tpci200->info->cfg_regs + LAS1_DESC); - reg32 |= 1 << LAS_BIT_BIGENDIAN; - iowrite32(reg32, tpci200->info->cfg_regs + LAS1_DESC); - - reg32 = ioread32(tpci200->info->cfg_regs + LAS2_DESC); - reg32 |= 1 << LAS_BIT_BIGENDIAN; - iowrite32(reg32, tpci200->info->cfg_regs + LAS2_DESC); - - /* 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) { - dev_err(&pdev->dev, "error during tpci200 install\n"); - ret = -ENODEV; - goto out_err_install; - } - - /* Register the carrier in the industry pack bus driver */ - tpci200->info->ipack_bus = ipack_bus_register(&pdev->dev, - TPCI200_NB_SLOT, - &tpci200_bus_ops); - if (!tpci200->info->ipack_bus) { - dev_err(&pdev->dev, - "error registering the carrier on ipack driver\n"); - ret = -EFAULT; - goto out_err_bus_register; - } - - /* save the bus number given by ipack to logging purpose */ - tpci200->number = tpci200->info->ipack_bus->bus_nr; - dev_set_drvdata(&pdev->dev, tpci200); - - for (i = 0; i < TPCI200_NB_SLOT; i++) - ipack_device_register(tpci200->info->ipack_bus, i); - return 0; - -out_err_bus_register: - tpci200_uninstall(tpci200); -out_err_install: - iounmap(tpci200->info->cfg_regs); -out_err_ioremap: - pci_release_region(pdev, TPCI200_CFG_MEM_BAR); -out_err_pci_request: - pci_dev_put(pdev); - kfree(tpci200->info); -out_err_info: - kfree(tpci200); - return ret; -} - -static void __tpci200_pci_remove(struct tpci200_board *tpci200) -{ - ipack_bus_unregister(tpci200->info->ipack_bus); - tpci200_uninstall(tpci200); - - kfree(tpci200->info); - kfree(tpci200); -} - -static void __devexit tpci200_pci_remove(struct pci_dev *dev) -{ - struct tpci200_board *tpci200 = pci_get_drvdata(dev); - - __tpci200_pci_remove(tpci200); -} - -static DEFINE_PCI_DEVICE_TABLE(tpci200_idtable) = { - { TPCI200_VENDOR_ID, TPCI200_DEVICE_ID, TPCI200_SUBVENDOR_ID, - TPCI200_SUBDEVICE_ID }, - { 0, }, -}; - -MODULE_DEVICE_TABLE(pci, tpci200_idtable); - -static struct pci_driver tpci200_pci_drv = { - .name = "tpci200", - .id_table = tpci200_idtable, - .probe = tpci200_pci_probe, - .remove = __devexit_p(tpci200_pci_remove), -}; - -static int __init tpci200_drvr_init_module(void) -{ - return pci_register_driver(&tpci200_pci_drv); -} - -static void __exit tpci200_drvr_exit_module(void) -{ - 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 deleted file mode 100644 index 235d1fe..0000000 --- a/drivers/staging/ipack/bridges/tpci200.h +++ /dev/null @@ -1,172 +0,0 @@ -/** - * 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; version 2 of the License. - */ - -#ifndef _TPCI200_H_ -#define _TPCI200_H_ - -#include <linux/limits.h> -#include <linux/pci.h> -#include <linux/spinlock.h> -#include <linux/swab.h> -#include <linux/io.h> - -#include "../ipack.h" - -#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_CFG_MEM_BAR 0 -#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 - -struct tpci200_regs { - __le16 revision; - /* writes to control should occur with the mutex held to protect - * read-modify-write operations */ - __le16 control[4]; - __le16 reset; - __le16 status; - u8 reserved[242]; -} __packed; - -#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 - -/* control field in tpci200_regs */ -#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 - -/* reset field in tpci200_regs */ -#define TPCI200_A_RESET 0x0001 -#define TPCI200_B_RESET 0x0002 -#define TPCI200_C_RESET 0x0004 -#define TPCI200_D_RESET 0x0008 - -/* status field in tpci200_regs */ -#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 - -/* PCI Configuration registers. The PCI bridge is a PLX Technology PCI9030. */ -#define LAS1_DESC 0x2C -#define LAS2_DESC 0x30 - -/* Bits in the LAS?_DESC registers */ -#define LAS_BIT_BIGENDIAN 24 - -#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 - * - */ -struct slot_irq { - struct ipack_device *holder; - int vector; - irqreturn_t (*handler)(void *); - void *arg; -}; - -/** - * 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 - * @int_phys INT physical base address register of the slot - * @mem_phys MEM physical base address register of the slot - * - */ -struct tpci200_slot { - struct slot_irq *irq; - struct ipack_addr_space io_phys; - struct ipack_addr_space id_phys; - struct ipack_addr_space int_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) - * - */ -struct tpci200_infos { - struct pci_dev *pdev; - struct pci_device_id *id_table; - struct tpci200_regs __iomem *interface_regs; - void __iomem *ioidint_space; - void __iomem *mem8_space; - void __iomem *cfg_regs; - struct ipack_bus_device *ipack_bus; -}; -struct tpci200_board { - unsigned int number; - struct mutex mutex; - spinlock_t regs_lock; - struct tpci200_slot *slots; - struct tpci200_infos *info; -}; - -#endif /* _TPCI200_H_ */ |