X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fpcmcia%2Frsrc_mgr.c;h=81dfc2cac2b4f722bd84e9cf121695ad23083099;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=b6843f8d300d20a3d6d5f503917fbd0229685f2b;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/drivers/pcmcia/rsrc_mgr.c b/drivers/pcmcia/rsrc_mgr.c index b6843f8d3..81dfc2cac 100644 --- a/drivers/pcmcia/rsrc_mgr.c +++ b/drivers/pcmcia/rsrc_mgr.c @@ -12,7 +12,6 @@ * (C) 1999 David A. Hinds */ -#include #include #include @@ -22,6 +21,8 @@ #include "cs_internal.h" +#ifdef CONFIG_PCMCIA_IOCTL + #ifdef CONFIG_PCMCIA_PROBE static int adjust_irq(struct pcmcia_socket *s, adjust_t *adj) @@ -72,7 +73,7 @@ int pcmcia_adjust_resource_info(adjust_t *adj) /* you can't use the old interface if the new * one was used before */ spin_lock_irqsave(&s->lock, flags); - if ((s->resource_setup_done) && + if ((s->resource_setup_new) && !(s->resource_setup_old)) { spin_unlock_irqrestore(&s->lock, flags); continue; @@ -98,36 +99,43 @@ int pcmcia_adjust_resource_info(adjust_t *adj) } EXPORT_SYMBOL(pcmcia_adjust_resource_info); -void pcmcia_validate_mem(struct pcmcia_socket *s) +#endif + +int pcmcia_validate_mem(struct pcmcia_socket *s) { if (s->resource_ops->validate_mem) - s->resource_ops->validate_mem(s); + return s->resource_ops->validate_mem(s); + /* if there is no callback, we can assume that everything is OK */ + return 0; } EXPORT_SYMBOL(pcmcia_validate_mem); -int adjust_io_region(struct resource *res, unsigned long r_start, +int pcmcia_adjust_io_region(struct resource *res, unsigned long r_start, unsigned long r_end, struct pcmcia_socket *s) { if (s->resource_ops->adjust_io_region) return s->resource_ops->adjust_io_region(res, r_start, r_end, s); return -ENOMEM; } +EXPORT_SYMBOL(pcmcia_adjust_io_region); -struct resource *find_io_region(unsigned long base, int num, +struct resource *pcmcia_find_io_region(unsigned long base, int num, unsigned long align, struct pcmcia_socket *s) { if (s->resource_ops->find_io) return s->resource_ops->find_io(base, num, align, s); return NULL; } +EXPORT_SYMBOL(pcmcia_find_io_region); -struct resource *find_mem_region(u_long base, u_long num, u_long align, +struct resource *pcmcia_find_mem_region(u_long base, u_long num, u_long align, int low, struct pcmcia_socket *s) { if (s->resource_ops->find_mem) return s->resource_ops->find_mem(base, num, align, low, s); return NULL; } +EXPORT_SYMBOL(pcmcia_find_mem_region); void release_resource_db(struct pcmcia_socket *s) { @@ -161,3 +169,105 @@ struct pccard_resource_ops pccard_static_ops = { .exit = NULL, }; EXPORT_SYMBOL(pccard_static_ops); + + +#ifdef CONFIG_PCCARD_IODYN + +static struct resource * +make_resource(unsigned long b, unsigned long n, int flags, char *name) +{ + struct resource *res = kzalloc(sizeof(*res), GFP_KERNEL); + + if (res) { + res->name = name; + res->start = b; + res->end = b + n - 1; + res->flags = flags; + } + return res; +} + +struct pcmcia_align_data { + unsigned long mask; + unsigned long offset; +}; + +static void pcmcia_align(void *align_data, struct resource *res, + unsigned long size, unsigned long align) +{ + struct pcmcia_align_data *data = align_data; + unsigned long start; + + start = (res->start & ~data->mask) + data->offset; + if (start < res->start) + start += data->mask + 1; + res->start = start; + +#ifdef CONFIG_X86 + if (res->flags & IORESOURCE_IO) { + if (start & 0x300) { + start = (start + 0x3ff) & ~0x3ff; + res->start = start; + } + } +#endif + +#ifdef CONFIG_M68K + if (res->flags & IORESOURCE_IO) { + if ((res->start + size - 1) >= 1024) + res->start = res->end; + } +#endif +} + + +static int iodyn_adjust_io_region(struct resource *res, unsigned long r_start, + unsigned long r_end, struct pcmcia_socket *s) +{ + return adjust_resource(res, r_start, r_end - r_start + 1); +} + + +static struct resource *iodyn_find_io_region(unsigned long base, int num, + unsigned long align, struct pcmcia_socket *s) +{ + struct resource *res = make_resource(0, num, IORESOURCE_IO, + s->dev.class_id); + struct pcmcia_align_data data; + unsigned long min = base; + int ret; + + if (align == 0) + align = 0x10000; + + data.mask = align - 1; + data.offset = base & data.mask; + +#ifdef CONFIG_PCI + if (s->cb_dev) { + ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num, 1, + min, 0, pcmcia_align, &data); + } else +#endif + ret = allocate_resource(&ioport_resource, res, num, min, ~0UL, + 1, pcmcia_align, &data); + + if (ret != 0) { + kfree(res); + res = NULL; + } + return res; +} + +struct pccard_resource_ops pccard_iodyn_ops = { + .validate_mem = NULL, + .adjust_io_region = iodyn_adjust_io_region, + .find_io = iodyn_find_io_region, + .find_mem = NULL, + .adjust_resource = NULL, + .init = static_init, + .exit = NULL, +}; +EXPORT_SYMBOL(pccard_iodyn_ops); + +#endif /* CONFIG_PCCARD_IODYN */