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drivers/pnp/resource.c
16.3 KB
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/* * resource.c - Contains functions for registering and analyzing resource information * |
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* based on isapnp.c resource management (c) Jaroslav Kysela <perex@perex.cz> |
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* Copyright 2003 Adam Belay <ambx1@neo.rr.com> |
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* Copyright (C) 2008 Hewlett-Packard Development Company, L.P. * Bjorn Helgaas <bjorn.helgaas@hp.com> |
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*/ |
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#include <linux/module.h> |
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#include <linux/slab.h> |
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#include <linux/errno.h> #include <linux/interrupt.h> #include <linux/kernel.h> #include <asm/io.h> #include <asm/dma.h> #include <asm/irq.h> #include <linux/pci.h> #include <linux/ioport.h> #include <linux/init.h> #include <linux/pnp.h> #include "base.h" |
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static int pnp_reserve_irq[16] = {[0 ... 15] = -1 }; /* reserve (don't use) some IRQ */ static int pnp_reserve_dma[8] = {[0 ... 7] = -1 }; /* reserve (don't use) some DMA */ static int pnp_reserve_io[16] = {[0 ... 15] = -1 }; /* reserve (don't use) some I/O region */ static int pnp_reserve_mem[16] = {[0 ... 15] = -1 }; /* reserve (don't use) some memory region */ |
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/* * option registration */ |
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struct pnp_option *pnp_build_option(struct pnp_dev *dev, unsigned long type, unsigned int option_flags) |
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{ |
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struct pnp_option *option; |
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|
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option = kzalloc(sizeof(struct pnp_option), GFP_KERNEL); |
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if (!option) return NULL; |
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option->flags = option_flags; option->type = type; |
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|
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list_add_tail(&option->list, &dev->options); |
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return option; } |
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int pnp_register_irq_resource(struct pnp_dev *dev, unsigned int option_flags, |
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pnp_irq_mask_t *map, unsigned char flags) |
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{ |
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struct pnp_option *option; struct pnp_irq *irq; |
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|
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option = pnp_build_option(dev, IORESOURCE_IRQ, option_flags); if (!option) |
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return -ENOMEM; |
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irq = &option->u.irq; |
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irq->map = *map; irq->flags = flags; |
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|
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#ifdef CONFIG_PCI { int i; for (i = 0; i < 16; i++) |
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if (test_bit(i, irq->map.bits)) |
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pcibios_penalize_isa_irq(i, 0); |
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} #endif |
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|
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dbg_pnp_show_option(dev, option); |
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return 0; } |
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int pnp_register_dma_resource(struct pnp_dev *dev, unsigned int option_flags, |
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unsigned char map, unsigned char flags) |
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{ |
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struct pnp_option *option; struct pnp_dma *dma; |
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|
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option = pnp_build_option(dev, IORESOURCE_DMA, option_flags); if (!option) |
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return -ENOMEM; |
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dma = &option->u.dma; |
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dma->map = map; dma->flags = flags; |
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|
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dbg_pnp_show_option(dev, option); |
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return 0; } |
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int pnp_register_port_resource(struct pnp_dev *dev, unsigned int option_flags, |
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resource_size_t min, resource_size_t max, resource_size_t align, resource_size_t size, unsigned char flags) |
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{ |
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struct pnp_option *option; struct pnp_port *port; |
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|
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option = pnp_build_option(dev, IORESOURCE_IO, option_flags); if (!option) |
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return -ENOMEM; |
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port = &option->u.port; |
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port->min = min; port->max = max; port->align = align; port->size = size; port->flags = flags; |
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|
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dbg_pnp_show_option(dev, option); |
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return 0; } |
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int pnp_register_mem_resource(struct pnp_dev *dev, unsigned int option_flags, |
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resource_size_t min, resource_size_t max, resource_size_t align, resource_size_t size, unsigned char flags) |
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{ |
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struct pnp_option *option; struct pnp_mem *mem; |
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|
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option = pnp_build_option(dev, IORESOURCE_MEM, option_flags); if (!option) |
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return -ENOMEM; |
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mem = &option->u.mem; |
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mem->min = min; mem->max = max; mem->align = align; mem->size = size; mem->flags = flags; |
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|
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dbg_pnp_show_option(dev, option); |
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return 0; } |
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void pnp_free_options(struct pnp_dev *dev) |
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{ |
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struct pnp_option *option, *tmp; |
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|
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list_for_each_entry_safe(option, tmp, &dev->options, list) { list_del(&option->list); |
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kfree(option); |
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} } |
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/* * resource validity checking */ #define length(start, end) (*(end) - *(start) + 1) /* Two ranges conflict if one doesn't end before the other starts */ #define ranged_conflict(starta, enda, startb, endb) \ !((*(enda) < *(startb)) || (*(endb) < *(starta))) #define cannot_compare(flags) \ |
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((flags) & IORESOURCE_DISABLED) |
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|
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int pnp_check_port(struct pnp_dev *dev, struct resource *res) |
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{ |
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int i; |
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struct pnp_dev *tdev; |
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struct resource *tres; |
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resource_size_t *port, *end, *tport, *tend; |
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|
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port = &res->start; end = &res->end; |
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/* if the resource doesn't exist, don't complain about it */ |
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if (cannot_compare(res->flags)) |
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return 1; /* check if the resource is already in use, skip if the * device is active because it itself may be in use */ |
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if (!dev->active) { if (__check_region(&ioport_resource, *port, length(port, end))) |
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return 0; } /* check if the resource is reserved */ |
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for (i = 0; i < 8; i++) { int rport = pnp_reserve_io[i << 1]; int rend = pnp_reserve_io[(i << 1) + 1] + rport - 1; |
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if (ranged_conflict(port, end, &rport, &rend)) |
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return 0; } /* check for internal conflicts */ |
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for (i = 0; (tres = pnp_get_resource(dev, IORESOURCE_IO, i)); i++) { if (tres != res && tres->flags & IORESOURCE_IO) { |
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tport = &tres->start; tend = &tres->end; |
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if (ranged_conflict(port, end, tport, tend)) |
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return 0; } } /* check for conflicts with other pnp devices */ pnp_for_each_dev(tdev) { if (tdev == dev) continue; |
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for (i = 0; (tres = pnp_get_resource(tdev, IORESOURCE_IO, i)); i++) { if (tres->flags & IORESOURCE_IO) { |
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if (cannot_compare(tres->flags)) |
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continue; |
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if (tres->flags & IORESOURCE_WINDOW) continue; |
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tport = &tres->start; tend = &tres->end; |
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if (ranged_conflict(port, end, tport, tend)) |
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return 0; } } } return 1; } |
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int pnp_check_mem(struct pnp_dev *dev, struct resource *res) |
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{ |
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int i; |
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struct pnp_dev *tdev; |
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struct resource *tres; |
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resource_size_t *addr, *end, *taddr, *tend; |
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|
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addr = &res->start; end = &res->end; |
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/* if the resource doesn't exist, don't complain about it */ |
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if (cannot_compare(res->flags)) |
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return 1; /* check if the resource is already in use, skip if the * device is active because it itself may be in use */ |
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if (!dev->active) { if (check_mem_region(*addr, length(addr, end))) |
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return 0; } /* check if the resource is reserved */ |
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for (i = 0; i < 8; i++) { int raddr = pnp_reserve_mem[i << 1]; int rend = pnp_reserve_mem[(i << 1) + 1] + raddr - 1; |
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if (ranged_conflict(addr, end, &raddr, &rend)) |
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return 0; } /* check for internal conflicts */ |
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for (i = 0; (tres = pnp_get_resource(dev, IORESOURCE_MEM, i)); i++) { if (tres != res && tres->flags & IORESOURCE_MEM) { |
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taddr = &tres->start; tend = &tres->end; |
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if (ranged_conflict(addr, end, taddr, tend)) |
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return 0; } } /* check for conflicts with other pnp devices */ pnp_for_each_dev(tdev) { if (tdev == dev) continue; |
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for (i = 0; (tres = pnp_get_resource(tdev, IORESOURCE_MEM, i)); i++) { if (tres->flags & IORESOURCE_MEM) { |
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if (cannot_compare(tres->flags)) |
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continue; |
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if (tres->flags & IORESOURCE_WINDOW) continue; |
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taddr = &tres->start; tend = &tres->end; |
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if (ranged_conflict(addr, end, taddr, tend)) |
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return 0; } } } return 1; } |
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static irqreturn_t pnp_test_handler(int irq, void *dev_id) |
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{ return IRQ_HANDLED; } |
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#ifdef CONFIG_PCI static int pci_dev_uses_irq(struct pnp_dev *pnp, struct pci_dev *pci, unsigned int irq) { u32 class; u8 progif; if (pci->irq == irq) { |
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pnp_dbg(&pnp->dev, " device %s using irq %d ", |
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pci_name(pci), irq); return 1; } /* * See pci_setup_device() and ata_pci_sff_activate_host() for * similar IDE legacy detection. */ pci_read_config_dword(pci, PCI_CLASS_REVISION, &class); class >>= 8; /* discard revision ID */ progif = class & 0xff; class >>= 8; if (class == PCI_CLASS_STORAGE_IDE) { /* * Unless both channels are native-PCI mode only, * treat the compatibility IRQs as busy. */ if ((progif & 0x5) != 0x5) if (pci_get_legacy_ide_irq(pci, 0) == irq || pci_get_legacy_ide_irq(pci, 1) == irq) { |
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pnp_dbg(&pnp->dev, " legacy IDE device %s " |
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"using irq %d ", pci_name(pci), irq); return 1; } } return 0; } #endif static int pci_uses_irq(struct pnp_dev *pnp, unsigned int irq) { #ifdef CONFIG_PCI struct pci_dev *pci = NULL; for_each_pci_dev(pci) { if (pci_dev_uses_irq(pnp, pci, irq)) { pci_dev_put(pci); return 1; } } #endif return 0; } |
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int pnp_check_irq(struct pnp_dev *dev, struct resource *res) |
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{ |
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int i; |
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struct pnp_dev *tdev; |
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struct resource *tres; |
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resource_size_t *irq; |
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irq = &res->start; |
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/* if the resource doesn't exist, don't complain about it */ |
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if (cannot_compare(res->flags)) |
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return 1; /* check if the resource is valid */ if (*irq < 0 || *irq > 15) return 0; /* check if the resource is reserved */ |
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for (i = 0; i < 16; i++) { if (pnp_reserve_irq[i] == *irq) |
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return 0; } /* check for internal conflicts */ |
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for (i = 0; (tres = pnp_get_resource(dev, IORESOURCE_IRQ, i)); i++) { if (tres != res && tres->flags & IORESOURCE_IRQ) { |
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if (tres->start == *irq) |
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return 0; } } |
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/* check if the resource is being used by a pci device */ |
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if (pci_uses_irq(dev, *irq)) return 0; |
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/* check if the resource is already in use, skip if the * device is active because it itself may be in use */ |
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if (!dev->active) { |
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if (request_irq(*irq, pnp_test_handler, |
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IRQF_DISABLED | IRQF_PROBE_SHARED, "pnp", NULL)) |
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return 0; free_irq(*irq, NULL); } /* check for conflicts with other pnp devices */ pnp_for_each_dev(tdev) { if (tdev == dev) continue; |
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for (i = 0; (tres = pnp_get_resource(tdev, IORESOURCE_IRQ, i)); i++) { if (tres->flags & IORESOURCE_IRQ) { |
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if (cannot_compare(tres->flags)) |
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continue; |
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if (tres->start == *irq) |
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return 0; } } } return 1; } |
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#ifdef CONFIG_ISA_DMA_API |
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int pnp_check_dma(struct pnp_dev *dev, struct resource *res) |
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{ |
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int i; |
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struct pnp_dev *tdev; |
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struct resource *tres; |
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resource_size_t *dma; |
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dma = &res->start; |
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/* if the resource doesn't exist, don't complain about it */ |
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if (cannot_compare(res->flags)) |
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return 1; /* check if the resource is valid */ if (*dma < 0 || *dma == 4 || *dma > 7) return 0; /* check if the resource is reserved */ |
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for (i = 0; i < 8; i++) { if (pnp_reserve_dma[i] == *dma) |
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return 0; } /* check for internal conflicts */ |
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for (i = 0; (tres = pnp_get_resource(dev, IORESOURCE_DMA, i)); i++) { if (tres != res && tres->flags & IORESOURCE_DMA) { |
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if (tres->start == *dma) |
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return 0; } } /* check if the resource is already in use, skip if the * device is active because it itself may be in use */ |
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if (!dev->active) { |
1da177e4c Linux-2.6.12-rc2 |
427 428 429 430 431 432 433 434 435 |
if (request_dma(*dma, "pnp")) return 0; free_dma(*dma); } /* check for conflicts with other pnp devices */ pnp_for_each_dev(tdev) { if (tdev == dev) continue; |
95ab3669f PNP: remove PNP_M... |
436 437 438 439 |
for (i = 0; (tres = pnp_get_resource(tdev, IORESOURCE_DMA, i)); i++) { if (tres->flags & IORESOURCE_DMA) { |
30c016a0c PNP: reduce redun... |
440 |
if (cannot_compare(tres->flags)) |
1da177e4c Linux-2.6.12-rc2 |
441 |
continue; |
30c016a0c PNP: reduce redun... |
442 |
if (tres->start == *dma) |
1da177e4c Linux-2.6.12-rc2 |
443 444 445 446 447 448 |
return 0; } } } return 1; |
1da177e4c Linux-2.6.12-rc2 |
449 |
} |
586f83e2b pnp: only assign ... |
450 |
#endif /* CONFIG_ISA_DMA_API */ |
1da177e4c Linux-2.6.12-rc2 |
451 |
|
b563cf59c pnp: make the res... |
452 |
unsigned long pnp_resource_type(struct resource *res) |
940e98dbc PNP: add pnp_reso... |
453 454 |
{ return res->flags & (IORESOURCE_IO | IORESOURCE_MEM | |
7e0e9c042 PNPACPI: add bus ... |
455 456 |
IORESOURCE_IRQ | IORESOURCE_DMA | IORESOURCE_BUS); |
940e98dbc PNP: add pnp_reso... |
457 |
} |
0a977f154 PNP: add pnp_get_... |
458 |
struct resource *pnp_get_resource(struct pnp_dev *dev, |
b563cf59c pnp: make the res... |
459 |
unsigned long type, unsigned int num) |
0a977f154 PNP: add pnp_get_... |
460 461 |
{ struct pnp_resource *pnp_res; |
aee3ad815 PNP: replace pnp_... |
462 |
struct resource *res; |
0a977f154 PNP: add pnp_get_... |
463 |
|
aee3ad815 PNP: replace pnp_... |
464 465 466 467 468 |
list_for_each_entry(pnp_res, &dev->resources, list) { res = &pnp_res->res; if (pnp_resource_type(res) == type && num-- == 0) return res; } |
0a977f154 PNP: add pnp_get_... |
469 470 |
return NULL; } |
b90eca0a6 PNP: add pnp_get_... |
471 |
EXPORT_SYMBOL(pnp_get_resource); |
aee3ad815 PNP: replace pnp_... |
472 |
static struct pnp_resource *pnp_new_resource(struct pnp_dev *dev) |
a50b6d7b8 PNP: add pnp_new_... |
473 474 |
{ struct pnp_resource *pnp_res; |
a50b6d7b8 PNP: add pnp_new_... |
475 |
|
aee3ad815 PNP: replace pnp_... |
476 477 478 479 480 481 |
pnp_res = kzalloc(sizeof(struct pnp_resource), GFP_KERNEL); if (!pnp_res) return NULL; list_add_tail(&pnp_res->list, &dev->resources); return pnp_res; |
a50b6d7b8 PNP: add pnp_new_... |
482 |
} |
dbddd0383 PNP: make generic... |
483 484 485 486 487 |
struct pnp_resource *pnp_add_irq_resource(struct pnp_dev *dev, int irq, int flags) { struct pnp_resource *pnp_res; struct resource *res; |
dbddd0383 PNP: make generic... |
488 |
|
aee3ad815 PNP: replace pnp_... |
489 |
pnp_res = pnp_new_resource(dev); |
dbddd0383 PNP: make generic... |
490 |
if (!pnp_res) { |
25d39c39d PNP: remove ratel... |
491 492 |
dev_err(&dev->dev, "can't add resource for IRQ %d ", irq); |
dbddd0383 PNP: make generic... |
493 494 495 496 497 498 499 |
return NULL; } res = &pnp_res->res; res->flags = IORESOURCE_IRQ | flags; res->start = irq; res->end = irq; |
c1f3f2819 PNP: log PNP reso... |
500 501 |
dev_printk(KERN_DEBUG, &dev->dev, "%pR ", res); |
dbddd0383 PNP: make generic... |
502 503 |
return pnp_res; } |
dc16f5f2e PNP: make generic... |
504 505 506 507 508 |
struct pnp_resource *pnp_add_dma_resource(struct pnp_dev *dev, int dma, int flags) { struct pnp_resource *pnp_res; struct resource *res; |
dc16f5f2e PNP: make generic... |
509 |
|
aee3ad815 PNP: replace pnp_... |
510 |
pnp_res = pnp_new_resource(dev); |
dc16f5f2e PNP: make generic... |
511 |
if (!pnp_res) { |
25d39c39d PNP: remove ratel... |
512 513 |
dev_err(&dev->dev, "can't add resource for DMA %d ", dma); |
dc16f5f2e PNP: make generic... |
514 515 516 517 518 519 520 |
return NULL; } res = &pnp_res->res; res->flags = IORESOURCE_DMA | flags; res->start = dma; res->end = dma; |
c1f3f2819 PNP: log PNP reso... |
521 522 |
dev_printk(KERN_DEBUG, &dev->dev, "%pR ", res); |
dc16f5f2e PNP: make generic... |
523 524 |
return pnp_res; } |
cc8c2e308 PNP: make generic... |
525 526 527 528 529 530 |
struct pnp_resource *pnp_add_io_resource(struct pnp_dev *dev, resource_size_t start, resource_size_t end, int flags) { struct pnp_resource *pnp_res; struct resource *res; |
cc8c2e308 PNP: make generic... |
531 |
|
aee3ad815 PNP: replace pnp_... |
532 |
pnp_res = pnp_new_resource(dev); |
cc8c2e308 PNP: make generic... |
533 |
if (!pnp_res) { |
25d39c39d PNP: remove ratel... |
534 535 536 537 |
dev_err(&dev->dev, "can't add resource for IO %#llx-%#llx ", (unsigned long long) start, (unsigned long long) end); |
cc8c2e308 PNP: make generic... |
538 539 540 541 542 543 544 |
return NULL; } res = &pnp_res->res; res->flags = IORESOURCE_IO | flags; res->start = start; res->end = end; |
c1f3f2819 PNP: log PNP reso... |
545 546 |
dev_printk(KERN_DEBUG, &dev->dev, "%pR ", res); |
cc8c2e308 PNP: make generic... |
547 548 |
return pnp_res; } |
d6180f366 PNP: make generic... |
549 550 551 552 553 554 |
struct pnp_resource *pnp_add_mem_resource(struct pnp_dev *dev, resource_size_t start, resource_size_t end, int flags) { struct pnp_resource *pnp_res; struct resource *res; |
d6180f366 PNP: make generic... |
555 |
|
aee3ad815 PNP: replace pnp_... |
556 |
pnp_res = pnp_new_resource(dev); |
d6180f366 PNP: make generic... |
557 |
if (!pnp_res) { |
25d39c39d PNP: remove ratel... |
558 559 560 561 |
dev_err(&dev->dev, "can't add resource for MEM %#llx-%#llx ", (unsigned long long) start, (unsigned long long) end); |
d6180f366 PNP: make generic... |
562 563 564 565 566 567 568 |
return NULL; } res = &pnp_res->res; res->flags = IORESOURCE_MEM | flags; res->start = start; res->end = end; |
c1f3f2819 PNP: log PNP reso... |
569 570 |
dev_printk(KERN_DEBUG, &dev->dev, "%pR ", res); |
d6180f366 PNP: make generic... |
571 572 |
return pnp_res; } |
7e0e9c042 PNPACPI: add bus ... |
573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 |
struct pnp_resource *pnp_add_bus_resource(struct pnp_dev *dev, resource_size_t start, resource_size_t end) { struct pnp_resource *pnp_res; struct resource *res; pnp_res = pnp_new_resource(dev); if (!pnp_res) { dev_err(&dev->dev, "can't add resource for BUS %#llx-%#llx ", (unsigned long long) start, (unsigned long long) end); return NULL; } res = &pnp_res->res; res->flags = IORESOURCE_BUS; res->start = start; res->end = end; |
c1f3f2819 PNP: log PNP reso... |
593 594 |
dev_printk(KERN_DEBUG, &dev->dev, "%pR ", res); |
7e0e9c042 PNPACPI: add bus ... |
595 596 |
return pnp_res; } |
1f32ca31e PNP: convert reso... |
597 598 599 600 601 602 |
/* * Determine whether the specified resource is a possible configuration * for this device. */ int pnp_possible_config(struct pnp_dev *dev, int type, resource_size_t start, resource_size_t size) |
57fd51a8b PNP: add pnp_poss... |
603 |
{ |
1f32ca31e PNP: convert reso... |
604 |
struct pnp_option *option; |
57fd51a8b PNP: add pnp_poss... |
605 606 607 608 |
struct pnp_port *port; struct pnp_mem *mem; struct pnp_irq *irq; struct pnp_dma *dma; |
1f32ca31e PNP: convert reso... |
609 610 611 |
list_for_each_entry(option, &dev->options, list) { if (option->type != type) continue; |
57fd51a8b PNP: add pnp_poss... |
612 |
|
1f32ca31e PNP: convert reso... |
613 |
switch (option->type) { |
57fd51a8b PNP: add pnp_poss... |
614 |
case IORESOURCE_IO: |
1f32ca31e PNP: convert reso... |
615 616 617 |
port = &option->u.port; if (port->min == start && port->size == size) return 1; |
57fd51a8b PNP: add pnp_poss... |
618 619 |
break; case IORESOURCE_MEM: |
1f32ca31e PNP: convert reso... |
620 621 622 |
mem = &option->u.mem; if (mem->min == start && mem->size == size) return 1; |
57fd51a8b PNP: add pnp_poss... |
623 624 |
break; case IORESOURCE_IRQ: |
1f32ca31e PNP: convert reso... |
625 626 627 628 |
irq = &option->u.irq; if (start < PNP_IRQ_NR && test_bit(start, irq->map.bits)) return 1; |
57fd51a8b PNP: add pnp_poss... |
629 630 |
break; case IORESOURCE_DMA: |
1f32ca31e PNP: convert reso... |
631 632 633 |
dma = &option->u.dma; if (dma->map & (1 << start)) return 1; |
57fd51a8b PNP: add pnp_poss... |
634 635 636 637 638 639 |
break; } } return 0; } |
57fd51a8b PNP: add pnp_poss... |
640 |
EXPORT_SYMBOL(pnp_possible_config); |
1b8e69662 pnp: add PNP reso... |
641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 |
int pnp_range_reserved(resource_size_t start, resource_size_t end) { struct pnp_dev *dev; struct pnp_resource *pnp_res; resource_size_t *dev_start, *dev_end; pnp_for_each_dev(dev) { list_for_each_entry(pnp_res, &dev->resources, list) { dev_start = &pnp_res->res.start; dev_end = &pnp_res->res.end; if (ranged_conflict(&start, &end, dev_start, dev_end)) return 1; } } return 0; } EXPORT_SYMBOL(pnp_range_reserved); |
1da177e4c Linux-2.6.12-rc2 |
658 |
/* format is: pnp_reserve_irq=irq1[,irq2] .... */ |
1da177e4c Linux-2.6.12-rc2 |
659 660 661 662 663 |
static int __init pnp_setup_reserve_irq(char *str) { int i; for (i = 0; i < 16; i++) |
9dd78466c PNP: Lindent all ... |
664 |
if (get_option(&str, &pnp_reserve_irq[i]) != 2) |
1da177e4c Linux-2.6.12-rc2 |
665 666 667 668 669 670 671 |
break; return 1; } __setup("pnp_reserve_irq=", pnp_setup_reserve_irq); /* format is: pnp_reserve_dma=dma1[,dma2] .... */ |
1da177e4c Linux-2.6.12-rc2 |
672 673 674 675 676 |
static int __init pnp_setup_reserve_dma(char *str) { int i; for (i = 0; i < 8; i++) |
9dd78466c PNP: Lindent all ... |
677 |
if (get_option(&str, &pnp_reserve_dma[i]) != 2) |
1da177e4c Linux-2.6.12-rc2 |
678 679 680 681 682 683 684 |
break; return 1; } __setup("pnp_reserve_dma=", pnp_setup_reserve_dma); /* format is: pnp_reserve_io=io1,size1[,io2,size2] .... */ |
1da177e4c Linux-2.6.12-rc2 |
685 686 687 688 689 |
static int __init pnp_setup_reserve_io(char *str) { int i; for (i = 0; i < 16; i++) |
9dd78466c PNP: Lindent all ... |
690 |
if (get_option(&str, &pnp_reserve_io[i]) != 2) |
1da177e4c Linux-2.6.12-rc2 |
691 692 693 694 695 696 697 |
break; return 1; } __setup("pnp_reserve_io=", pnp_setup_reserve_io); /* format is: pnp_reserve_mem=mem1,size1[,mem2,size2] .... */ |
1da177e4c Linux-2.6.12-rc2 |
698 699 700 701 702 |
static int __init pnp_setup_reserve_mem(char *str) { int i; for (i = 0; i < 16; i++) |
9dd78466c PNP: Lindent all ... |
703 |
if (get_option(&str, &pnp_reserve_mem[i]) != 2) |
1da177e4c Linux-2.6.12-rc2 |
704 705 706 707 708 |
break; return 1; } __setup("pnp_reserve_mem=", pnp_setup_reserve_mem); |