diff options
Diffstat (limited to 'drivers/pci/pci.c')
| -rw-r--r-- | drivers/pci/pci.c | 837 |
1 files changed, 837 insertions, 0 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c new file mode 100644 index 00000000000..bfbff833526 --- /dev/null +++ b/drivers/pci/pci.c @@ -0,0 +1,837 @@ +/* + * $Id: pci.c,v 1.91 1999/01/21 13:34:01 davem Exp $ + * + * PCI Bus Services, see include/linux/pci.h for further explanation. + * + * Copyright 1993 -- 1997 Drew Eckhardt, Frederic Potter, + * David Mosberger-Tang + * + * Copyright 1997 -- 2000 Martin Mares <mj@ucw.cz> + */ + +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/module.h> +#include <linux/spinlock.h> +#include <asm/dma.h> /* isa_dma_bridge_buggy */ + + +/** + * pci_bus_max_busnr - returns maximum PCI bus number of given bus' children + * @bus: pointer to PCI bus structure to search + * + * Given a PCI bus, returns the highest PCI bus number present in the set + * including the given PCI bus and its list of child PCI buses. + */ +unsigned char __devinit +pci_bus_max_busnr(struct pci_bus* bus) +{ + struct list_head *tmp; + unsigned char max, n; + + max = bus->number; + list_for_each(tmp, &bus->children) { + n = pci_bus_max_busnr(pci_bus_b(tmp)); + if(n > max) + max = n; + } + return max; +} + +/** + * pci_max_busnr - returns maximum PCI bus number + * + * Returns the highest PCI bus number present in the system global list of + * PCI buses. + */ +unsigned char __devinit +pci_max_busnr(void) +{ + struct pci_bus *bus = NULL; + unsigned char max, n; + + max = 0; + while ((bus = pci_find_next_bus(bus)) != NULL) { + n = pci_bus_max_busnr(bus); + if(n > max) + max = n; + } + return max; +} + +static int __pci_bus_find_cap(struct pci_bus *bus, unsigned int devfn, u8 hdr_type, int cap) +{ + u16 status; + u8 pos, id; + int ttl = 48; + + pci_bus_read_config_word(bus, devfn, PCI_STATUS, &status); + if (!(status & PCI_STATUS_CAP_LIST)) + return 0; + + switch (hdr_type) { + case PCI_HEADER_TYPE_NORMAL: + case PCI_HEADER_TYPE_BRIDGE: + pci_bus_read_config_byte(bus, devfn, PCI_CAPABILITY_LIST, &pos); + break; + case PCI_HEADER_TYPE_CARDBUS: + pci_bus_read_config_byte(bus, devfn, PCI_CB_CAPABILITY_LIST, &pos); + break; + default: + return 0; + } + while (ttl-- && pos >= 0x40) { + pos &= ~3; + pci_bus_read_config_byte(bus, devfn, pos + PCI_CAP_LIST_ID, &id); + if (id == 0xff) + break; + if (id == cap) + return pos; + pci_bus_read_config_byte(bus, devfn, pos + PCI_CAP_LIST_NEXT, &pos); + } + return 0; +} + +/** + * pci_find_capability - query for devices' capabilities + * @dev: PCI device to query + * @cap: capability code + * + * Tell if a device supports a given PCI capability. + * Returns the address of the requested capability structure within the + * device's PCI configuration space or 0 in case the device does not + * support it. Possible values for @cap: + * + * %PCI_CAP_ID_PM Power Management + * %PCI_CAP_ID_AGP Accelerated Graphics Port + * %PCI_CAP_ID_VPD Vital Product Data + * %PCI_CAP_ID_SLOTID Slot Identification + * %PCI_CAP_ID_MSI Message Signalled Interrupts + * %PCI_CAP_ID_CHSWP CompactPCI HotSwap + * %PCI_CAP_ID_PCIX PCI-X + * %PCI_CAP_ID_EXP PCI Express + */ +int pci_find_capability(struct pci_dev *dev, int cap) +{ + return __pci_bus_find_cap(dev->bus, dev->devfn, dev->hdr_type, cap); +} + +/** + * pci_bus_find_capability - query for devices' capabilities + * @bus: the PCI bus to query + * @devfn: PCI device to query + * @cap: capability code + * + * Like pci_find_capability() but works for pci devices that do not have a + * pci_dev structure set up yet. + * + * Returns the address of the requested capability structure within the + * device's PCI configuration space or 0 in case the device does not + * support it. + */ +int pci_bus_find_capability(struct pci_bus *bus, unsigned int devfn, int cap) +{ + u8 hdr_type; + + pci_bus_read_config_byte(bus, devfn, PCI_HEADER_TYPE, &hdr_type); + + return __pci_bus_find_cap(bus, devfn, hdr_type & 0x7f, cap); +} + +/** + * pci_find_ext_capability - Find an extended capability + * @dev: PCI device to query + * @cap: capability code + * + * Returns the address of the requested extended capability structure + * within the device's PCI configuration space or 0 if the device does + * not support it. Possible values for @cap: + * + * %PCI_EXT_CAP_ID_ERR Advanced Error Reporting + * %PCI_EXT_CAP_ID_VC Virtual Channel + * %PCI_EXT_CAP_ID_DSN Device Serial Number + * %PCI_EXT_CAP_ID_PWR Power Budgeting + */ +int pci_find_ext_capability(struct pci_dev *dev, int cap) +{ + u32 header; + int ttl = 480; /* 3840 bytes, minimum 8 bytes per capability */ + int pos = 0x100; + + if (dev->cfg_size <= 256) + return 0; + + if (pci_read_config_dword(dev, pos, &header) != PCIBIOS_SUCCESSFUL) + return 0; + + /* + * If we have no capabilities, this is indicated by cap ID, + * cap version and next pointer all being 0. + */ + if (header == 0) + return 0; + + while (ttl-- > 0) { + if (PCI_EXT_CAP_ID(header) == cap) + return pos; + + pos = PCI_EXT_CAP_NEXT(header); + if (pos < 0x100) + break; + + if (pci_read_config_dword(dev, pos, &header) != PCIBIOS_SUCCESSFUL) + break; + } + + return 0; +} + +/** + * pci_find_parent_resource - return resource region of parent bus of given region + * @dev: PCI device structure contains resources to be searched + * @res: child resource record for which parent is sought + * + * For given resource region of given device, return the resource + * region of parent bus the given region is contained in or where + * it should be allocated from. + */ +struct resource * +pci_find_parent_resource(const struct pci_dev *dev, struct resource *res) +{ + const struct pci_bus *bus = dev->bus; + int i; + struct resource *best = NULL; + + for(i = 0; i < PCI_BUS_NUM_RESOURCES; i++) { + struct resource *r = bus->resource[i]; + if (!r) + continue; + if (res->start && !(res->start >= r->start && res->end <= r->end)) + continue; /* Not contained */ + if ((res->flags ^ r->flags) & (IORESOURCE_IO | IORESOURCE_MEM)) + continue; /* Wrong type */ + if (!((res->flags ^ r->flags) & IORESOURCE_PREFETCH)) + return r; /* Exact match */ + if ((res->flags & IORESOURCE_PREFETCH) && !(r->flags & IORESOURCE_PREFETCH)) + best = r; /* Approximating prefetchable by non-prefetchable */ + } + return best; +} + +/** + * pci_set_power_state - Set the power state of a PCI device + * @dev: PCI device to be suspended + * @state: PCI power state (D0, D1, D2, D3hot, D3cold) we're entering + * + * Transition a device to a new power state, using the Power Management + * Capabilities in the device's config space. + * + * RETURN VALUE: + * -EINVAL if trying to enter a lower state than we're already in. + * 0 if we're already in the requested state. + * -EIO if device does not support PCI PM. + * 0 if we can successfully change the power state. + */ + +int +pci_set_power_state(struct pci_dev *dev, pci_power_t state) +{ + int pm; + u16 pmcsr, pmc; + + /* bound the state we're entering */ + if (state > PCI_D3hot) + state = PCI_D3hot; + + /* Validate current state: + * Can enter D0 from any state, but if we can only go deeper + * to sleep if we're already in a low power state + */ + if (state != PCI_D0 && dev->current_state > state) + return -EINVAL; + else if (dev->current_state == state) + return 0; /* we're already there */ + + /* find PCI PM capability in list */ + pm = pci_find_capability(dev, PCI_CAP_ID_PM); + + /* abort if the device doesn't support PM capabilities */ + if (!pm) + return -EIO; + + pci_read_config_word(dev,pm + PCI_PM_PMC,&pmc); + if ((pmc & PCI_PM_CAP_VER_MASK) > 2) { + printk(KERN_DEBUG + "PCI: %s has unsupported PM cap regs version (%u)\n", + pci_name(dev), pmc & PCI_PM_CAP_VER_MASK); + return -EIO; + } + + /* check if this device supports the desired state */ + if (state == PCI_D1 || state == PCI_D2) { + if (state == PCI_D1 && !(pmc & PCI_PM_CAP_D1)) + return -EIO; + else if (state == PCI_D2 && !(pmc & PCI_PM_CAP_D2)) + return -EIO; + } + + /* If we're in D3, force entire word to 0. + * This doesn't affect PME_Status, disables PME_En, and + * sets PowerState to 0. + */ + if (dev->current_state >= PCI_D3hot) + pmcsr = 0; + else { + pci_read_config_word(dev, pm + PCI_PM_CTRL, &pmcsr); + pmcsr &= ~PCI_PM_CTRL_STATE_MASK; + pmcsr |= state; + } + + /* enter specified state */ + pci_write_config_word(dev, pm + PCI_PM_CTRL, pmcsr); + + /* Mandatory power management transition delays */ + /* see PCI PM 1.1 5.6.1 table 18 */ + if (state == PCI_D3hot || dev->current_state == PCI_D3hot) + msleep(10); + else if (state == PCI_D2 || dev->current_state == PCI_D2) + udelay(200); + dev->current_state = state; + + return 0; +} + +/** + * pci_choose_state - Choose the power state of a PCI device + * @dev: PCI device to be suspended + * @state: target sleep state for the whole system. This is the value + * that is passed to suspend() function. + * + * Returns PCI power state suitable for given device and given system + * message. + */ + +pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state) +{ + if (!pci_find_capability(dev, PCI_CAP_ID_PM)) + return PCI_D0; + + switch (state) { + case 0: return PCI_D0; + case 3: return PCI_D3hot; + default: + printk("They asked me for state %d\n", state); + BUG(); + } + return PCI_D0; +} + +EXPORT_SYMBOL(pci_choose_state); + +/** + * pci_save_state - save the PCI configuration space of a device before suspending + * @dev: - PCI device that we're dealing with + * @buffer: - buffer to hold config space context + * + * @buffer must be large enough to hold the entire PCI 2.2 config space + * (>= 64 bytes). + */ +int +pci_save_state(struct pci_dev *dev) +{ + int i; + /* XXX: 100% dword access ok here? */ + for (i = 0; i < 16; i++) + pci_read_config_dword(dev, i * 4,&dev->saved_config_space[i]); + return 0; +} + +/** + * pci_restore_state - Restore the saved state of a PCI device + * @dev: - PCI device that we're dealing with + * @buffer: - saved PCI config space + * + */ +int +pci_restore_state(struct pci_dev *dev) +{ + int i; + + for (i = 0; i < 16; i++) + pci_write_config_dword(dev,i * 4, dev->saved_config_space[i]); + return 0; +} + +/** + * pci_enable_device_bars - Initialize some of a device for use + * @dev: PCI device to be initialized + * @bars: bitmask of BAR's that must be configured + * + * Initialize device before it's used by a driver. Ask low-level code + * to enable selected I/O and memory resources. Wake up the device if it + * was suspended. Beware, this function can fail. + */ + +int +pci_enable_device_bars(struct pci_dev *dev, int bars) +{ + int err; + + pci_set_power_state(dev, PCI_D0); + if ((err = pcibios_enable_device(dev, bars)) < 0) + return err; + return 0; +} + +/** + * pci_enable_device - Initialize device before it's used by a driver. + * @dev: PCI device to be initialized + * + * Initialize device before it's used by a driver. Ask low-level code + * to enable I/O and memory. Wake up the device if it was suspended. + * Beware, this function can fail. + */ +int +pci_enable_device(struct pci_dev *dev) +{ + int err; + + dev->is_enabled = 1; + if ((err = pci_enable_device_bars(dev, (1 << PCI_NUM_RESOURCES) - 1))) + return err; + pci_fixup_device(pci_fixup_enable, dev); + return 0; +} + +/** + * pcibios_disable_device - disable arch specific PCI resources for device dev + * @dev: the PCI device to disable + * + * Disables architecture specific PCI resources for the device. This + * is the default implementation. Architecture implementations can + * override this. + */ +void __attribute__ ((weak)) pcibios_disable_device (struct pci_dev *dev) {} + +/** + * pci_disable_device - Disable PCI device after use + * @dev: PCI device to be disabled + * + * Signal to the system that the PCI device is not in use by the system + * anymore. This only involves disabling PCI bus-mastering, if active. + */ +void +pci_disable_device(struct pci_dev *dev) +{ + u16 pci_command; + + dev->is_enabled = 0; + dev->is_busmaster = 0; + + pci_read_config_word(dev, PCI_COMMAND, &pci_command); + if (pci_command & PCI_COMMAND_MASTER) { + pci_command &= ~PCI_COMMAND_MASTER; + pci_write_config_word(dev, PCI_COMMAND, pci_command); + } + + pcibios_disable_device(dev); +} + +/** + * pci_enable_wake - enable device to generate PME# when suspended + * @dev: - PCI device to operate on + * @state: - Current state of device. + * @enable: - Flag to enable or disable generation + * + * Set the bits in the device's PM Capabilities to generate PME# when + * the system is suspended. + * + * -EIO is returned if device doesn't have PM Capabilities. + * -EINVAL is returned if device supports it, but can't generate wake events. + * 0 if operation is successful. + * + */ +int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable) +{ + int pm; + u16 value; + + /* find PCI PM capability in list */ + pm = pci_find_capability(dev, PCI_CAP_ID_PM); + + /* If device doesn't support PM Capabilities, but request is to disable + * wake events, it's a nop; otherwise fail */ + if (!pm) + return enable ? -EIO : 0; + + /* Check device's ability to generate PME# */ + pci_read_config_word(dev,pm+PCI_PM_PMC,&value); + + value &= PCI_PM_CAP_PME_MASK; + value >>= ffs(PCI_PM_CAP_PME_MASK) - 1; /* First bit of mask */ + + /* Check if it can generate PME# from requested state. */ + if (!value || !(value & (1 << state))) + return enable ? -EINVAL : 0; + + pci_read_config_word(dev, pm + PCI_PM_CTRL, &value); + + /* Clear PME_Status by writing 1 to it and enable PME# */ + value |= PCI_PM_CTRL_PME_STATUS | PCI_PM_CTRL_PME_ENABLE; + + if (!enable) + value &= ~PCI_PM_CTRL_PME_ENABLE; + + pci_write_config_word(dev, pm + PCI_PM_CTRL, value); + + return 0; +} + +int +pci_get_interrupt_pin(struct pci_dev *dev, struct pci_dev **bridge) +{ + u8 pin; + + pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); + if (!pin) + return -1; + pin--; + while (dev->bus->self) { + pin = (pin + PCI_SLOT(dev->devfn)) % 4; + dev = dev->bus->self; + } + *bridge = dev; + return pin; +} + +/** + * pci_release_region - Release a PCI bar + * @pdev: PCI device whose resources were previously reserved by pci_request_region + * @bar: BAR to release + * + * Releases the PCI I/O and memory resources previously reserved by a + * successful call to pci_request_region. Call this function only + * after all use of the PCI regions has ceased. + */ +void pci_release_region(struct pci_dev *pdev, int bar) +{ + if (pci_resource_len(pdev, bar) == 0) + return; + if (pci_resource_flags(pdev, bar) & IORESOURCE_IO) + release_region(pci_resource_start(pdev, bar), + pci_resource_len(pdev, bar)); + else if (pci_resource_flags(pdev, bar) & IORESOURCE_MEM) + release_mem_region(pci_resource_start(pdev, bar), + pci_resource_len(pdev, bar)); +} + +/** + * pci_request_region - Reserved PCI I/O and memory resource + * @pdev: PCI device whose resources are to be reserved + * @bar: BAR to be reserved + * @res_name: Name to be associated with resource. + * + * Mark the PCI region associated with PCI device @pdev BR @bar as + * being reserved by owner @res_name. Do not access any + * address inside the PCI regions unless this call returns + * successfully. + * + * Returns 0 on success, or %EBUSY on error. A warning + * message is also printed on failure. + */ +int pci_request_region(struct pci_dev *pdev, int bar, char *res_name) +{ + if (pci_resource_len(pdev, bar) == 0) + return 0; + + if (pci_resource_flags(pdev, bar) & IORESOURCE_IO) { + if (!request_region(pci_resource_start(pdev, bar), + pci_resource_len(pdev, bar), res_name)) + goto err_out; + } + else if (pci_resource_flags(pdev, bar) & IORESOURCE_MEM) { + if (!request_mem_region(pci_resource_start(pdev, bar), + pci_resource_len(pdev, bar), res_name)) + goto err_out; + } + + return 0; + +err_out: + printk (KERN_WARNING "PCI: Unable to reserve %s region #%d:%lx@%lx for device %s\n", + pci_resource_flags(pdev, bar) & IORESOURCE_IO ? "I/O" : "mem", + bar + 1, /* PCI BAR # */ + pci_resource_len(pdev, bar), pci_resource_start(pdev, bar), + pci_name(pdev)); + return -EBUSY; +} + + +/** + * pci_release_regions - Release reserved PCI I/O and memory resources + * @pdev: PCI device whose resources were previously reserved by pci_request_regions + * + * Releases all PCI I/O and memory resources previously reserved by a + * successful call to pci_request_regions. Call this function only + * after all use of the PCI regions has ceased. + */ + +void pci_release_regions(struct pci_dev *pdev) +{ + int i; + + for (i = 0; i < 6; i++) + pci_release_region(pdev, i); +} + +/** + * pci_request_regions - Reserved PCI I/O and memory resources + * @pdev: PCI device whose resources are to be reserved + * @res_name: Name to be associated with resource. + * + * Mark all PCI regions associated with PCI device @pdev as + * being reserved by owner @res_name. Do not access any + * address inside the PCI regions unless this call returns + * successfully. + * + * Returns 0 on success, or %EBUSY on error. A warning + * message is also printed on failure. + */ +int pci_request_regions(struct pci_dev *pdev, char *res_name) +{ + int i; + + for (i = 0; i < 6; i++) + if(pci_request_region(pdev, i, res_name)) + goto err_out; + return 0; + +err_out: + while(--i >= 0) + pci_release_region(pdev, i); + + return -EBUSY; +} + +/** + * pci_set_master - enables bus-mastering for device dev + * @dev: the PCI device to enable + * + * Enables bus-mastering on the device and calls pcibios_set_master() + * to do the needed arch specific settings. + */ +void +pci_set_master(struct pci_dev *dev) +{ + u16 cmd; + + pci_read_config_word(dev, PCI_COMMAND, &cmd); + if (! (cmd & PCI_COMMAND_MASTER)) { + pr_debug("PCI: Enabling bus mastering for device %s\n", pci_name(dev)); + cmd |= PCI_COMMAND_MASTER; + pci_write_config_word(dev, PCI_COMMAND, cmd); + } + dev->is_busmaster = 1; + pcibios_set_master(dev); +} + +#ifndef HAVE_ARCH_PCI_MWI +/* This can be overridden by arch code. */ +u8 pci_cache_line_size = L1_CACHE_BYTES >> 2; + +/** + * pci_generic_prep_mwi - helper function for pci_set_mwi + * @dev: the PCI device for which MWI is enabled + * + * Helper function for generic implementation of pcibios_prep_mwi + * function. Originally copied from drivers/net/acenic.c. + * Copyright 1998-2001 by Jes Sorensen, <jes@trained-monkey.org>. + * + * RETURNS: An appropriate -ERRNO error value on error, or zero for success. + */ +static int +pci_generic_prep_mwi(struct pci_dev *dev) +{ + u8 cacheline_size; + + if (!pci_cache_line_size) + return -EINVAL; /* The system doesn't support MWI. */ + + /* Validate current setting: the PCI_CACHE_LINE_SIZE must be + equal to or multiple of the right value. */ + pci_read_config_byte(dev, PCI_CACHE_LINE_SIZE, &cacheline_size); + if (cacheline_size >= pci_cache_line_size && + (cacheline_size % pci_cache_line_size) == 0) + return 0; + + /* Write the correct value. */ + pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, pci_cache_line_size); + /* Read it back. */ + pci_read_config_byte(dev, PCI_CACHE_LINE_SIZE, &cacheline_size); + if (cacheline_size == pci_cache_line_size) + return 0; + + printk(KERN_DEBUG "PCI: cache line size of %d is not supported " + "by device %s\n", pci_cache_line_size << 2, pci_name(dev)); + + return -EINVAL; +} +#endif /* !HAVE_ARCH_PCI_MWI */ + +/** + * pci_set_mwi - enables memory-write-invalidate PCI transaction + * @dev: the PCI device for which MWI is enabled + * + * Enables the Memory-Write-Invalidate transaction in %PCI_COMMAND, + * and then calls @pcibios_set_mwi to do the needed arch specific + * operations or a generic mwi-prep function. + * + * RETURNS: An appropriate -ERRNO error value on error, or zero for success. + */ +int +pci_set_mwi(struct pci_dev *dev) +{ + int rc; + u16 cmd; + +#ifdef HAVE_ARCH_PCI_MWI + rc = pcibios_prep_mwi(dev); +#else + rc = pci_generic_prep_mwi(dev); +#endif + + if (rc) + return rc; + + pci_read_config_word(dev, PCI_COMMAND, &cmd); + if (! (cmd & PCI_COMMAND_INVALIDATE)) { + pr_debug("PCI: Enabling Mem-Wr-Inval for device %s\n", pci_name(dev)); + cmd |= PCI_COMMAND_INVALIDATE; + pci_write_config_word(dev, PCI_COMMAND, cmd); + } + + return 0; +} + +/** + * pci_clear_mwi - disables Memory-Write-Invalidate for device dev + * @dev: the PCI device to disable + * + * Disables PCI Memory-Write-Invalidate transaction on the device + */ +void +pci_clear_mwi(struct pci_dev *dev) +{ + u16 cmd; + + pci_read_config_word(dev, PCI_COMMAND, &cmd); + if (cmd & PCI_COMMAND_INVALIDATE) { + cmd &= ~PCI_COMMAND_INVALIDATE; + pci_write_config_word(dev, PCI_COMMAND, cmd); + } +} + +#ifndef HAVE_ARCH_PCI_SET_DMA_MASK +/* + * These can be overridden by arch-specific implementations + */ +int +pci_set_dma_mask(struct pci_dev *dev, u64 mask) +{ + if (!pci_dma_supported(dev, mask)) + return -EIO; + + dev->dma_mask = mask; + + return 0; +} + +int +pci_dac_set_dma_mask(struct pci_dev *dev, u64 mask) +{ + if (!pci_dac_dma_supported(dev, mask)) + return -EIO; + + dev->dma_mask = mask; + + return 0; +} + +int +pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask) +{ + if (!pci_dma_supported(dev, mask)) + return -EIO; + + dev->dev.coherent_dma_mask = mask; + + return 0; +} +#endif + +static int __devinit pci_init(void) +{ + struct pci_dev *dev = NULL; + + while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) { + pci_fixup_device(pci_fixup_final, dev); + } + return 0; +} + +static int __devinit pci_setup(char *str) +{ + while (str) { + char *k = strchr(str, ','); + if (k) + *k++ = 0; + if (*str && (str = pcibios_setup(str)) && *str) { + /* PCI layer options should be handled here */ + printk(KERN_ERR "PCI: Unknown option `%s'\n", str); + } + str = k; + } + return 1; +} + +device_initcall(pci_init); + +__setup("pci=", pci_setup); + +#if defined(CONFIG_ISA) || defined(CONFIG_EISA) +/* FIXME: Some boxes have multiple ISA bridges! */ +struct pci_dev *isa_bridge; +EXPORT_SYMBOL(isa_bridge); +#endif + +EXPORT_SYMBOL(pci_enable_device_bars); +EXPORT_SYMBOL(pci_enable_device); +EXPORT_SYMBOL(pci_disable_device); +EXPORT_SYMBOL(pci_max_busnr); +EXPORT_SYMBOL(pci_bus_max_busnr); +EXPORT_SYMBOL(pci_find_capability); +EXPORT_SYMBOL(pci_bus_find_capability); +EXPORT_SYMBOL(pci_release_regions); +EXPORT_SYMBOL(pci_request_regions); +EXPORT_SYMBOL(pci_release_region); +EXPORT_SYMBOL(pci_request_region); +EXPORT_SYMBOL(pci_set_master); +EXPORT_SYMBOL(pci_set_mwi); +EXPORT_SYMBOL(pci_clear_mwi); +EXPORT_SYMBOL(pci_set_dma_mask); +EXPORT_SYMBOL(pci_dac_set_dma_mask); +EXPORT_SYMBOL(pci_set_consistent_dma_mask); +EXPORT_SYMBOL(pci_assign_resource); +EXPORT_SYMBOL(pci_find_parent_resource); + +EXPORT_SYMBOL(pci_set_power_state); +EXPORT_SYMBOL(pci_save_state); +EXPORT_SYMBOL(pci_restore_state); +EXPORT_SYMBOL(pci_enable_wake); + +/* Quirk info */ + +EXPORT_SYMBOL(isa_dma_bridge_buggy); +EXPORT_SYMBOL(pci_pci_problems); |