diff options
Diffstat (limited to 'drivers/pnp/pnpbios/rsparser.c')
-rw-r--r-- | drivers/pnp/pnpbios/rsparser.c | 274 |
1 files changed, 146 insertions, 128 deletions
diff --git a/drivers/pnp/pnpbios/rsparser.c b/drivers/pnp/pnpbios/rsparser.c index 5ff9a4c0447..ca567671379 100644 --- a/drivers/pnp/pnpbios/rsparser.c +++ b/drivers/pnp/pnpbios/rsparser.c @@ -216,137 +216,116 @@ len_err: static __init void pnpbios_parse_mem_option(struct pnp_dev *dev, unsigned char *p, int size, - struct pnp_option *option) + unsigned int option_flags) { - struct pnp_mem *mem; - - mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); - if (!mem) - return; - mem->min = ((p[5] << 8) | p[4]) << 8; - mem->max = ((p[7] << 8) | p[6]) << 8; - mem->align = (p[9] << 8) | p[8]; - mem->size = ((p[11] << 8) | p[10]) << 8; - mem->flags = p[3]; - pnp_register_mem_resource(dev, option, mem); + resource_size_t min, max, align, len; + unsigned char flags; + + min = ((p[5] << 8) | p[4]) << 8; + max = ((p[7] << 8) | p[6]) << 8; + align = (p[9] << 8) | p[8]; + len = ((p[11] << 8) | p[10]) << 8; + flags = p[3]; + pnp_register_mem_resource(dev, option_flags, min, max, align, len, + flags); } static __init void pnpbios_parse_mem32_option(struct pnp_dev *dev, unsigned char *p, int size, - struct pnp_option *option) + unsigned int option_flags) { - struct pnp_mem *mem; - - mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); - if (!mem) - return; - mem->min = (p[7] << 24) | (p[6] << 16) | (p[5] << 8) | p[4]; - mem->max = (p[11] << 24) | (p[10] << 16) | (p[9] << 8) | p[8]; - mem->align = (p[15] << 24) | (p[14] << 16) | (p[13] << 8) | p[12]; - mem->size = (p[19] << 24) | (p[18] << 16) | (p[17] << 8) | p[16]; - mem->flags = p[3]; - pnp_register_mem_resource(dev, option, mem); + resource_size_t min, max, align, len; + unsigned char flags; + + min = (p[7] << 24) | (p[6] << 16) | (p[5] << 8) | p[4]; + max = (p[11] << 24) | (p[10] << 16) | (p[9] << 8) | p[8]; + align = (p[15] << 24) | (p[14] << 16) | (p[13] << 8) | p[12]; + len = (p[19] << 24) | (p[18] << 16) | (p[17] << 8) | p[16]; + flags = p[3]; + pnp_register_mem_resource(dev, option_flags, min, max, align, len, + flags); } static __init void pnpbios_parse_fixed_mem32_option(struct pnp_dev *dev, unsigned char *p, int size, - struct pnp_option *option) + unsigned int option_flags) { - struct pnp_mem *mem; - - mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); - if (!mem) - return; - mem->min = mem->max = (p[7] << 24) | (p[6] << 16) | (p[5] << 8) | p[4]; - mem->size = (p[11] << 24) | (p[10] << 16) | (p[9] << 8) | p[8]; - mem->align = 0; - mem->flags = p[3]; - pnp_register_mem_resource(dev, option, mem); + resource_size_t base, len; + unsigned char flags; + + base = (p[7] << 24) | (p[6] << 16) | (p[5] << 8) | p[4]; + len = (p[11] << 24) | (p[10] << 16) | (p[9] << 8) | p[8]; + flags = p[3]; + pnp_register_mem_resource(dev, option_flags, base, base, 0, len, flags); } static __init void pnpbios_parse_irq_option(struct pnp_dev *dev, unsigned char *p, int size, - struct pnp_option *option) + unsigned int option_flags) { - struct pnp_irq *irq; unsigned long bits; + pnp_irq_mask_t map; + unsigned char flags = IORESOURCE_IRQ_HIGHEDGE; - irq = kzalloc(sizeof(struct pnp_irq), GFP_KERNEL); - if (!irq) - return; bits = (p[2] << 8) | p[1]; - bitmap_copy(irq->map, &bits, 16); + + bitmap_zero(map.bits, PNP_IRQ_NR); + bitmap_copy(map.bits, &bits, 16); + if (size > 2) - irq->flags = p[3]; - else - irq->flags = IORESOURCE_IRQ_HIGHEDGE; - pnp_register_irq_resource(dev, option, irq); + flags = p[3]; + + pnp_register_irq_resource(dev, option_flags, &map, flags); } static __init void pnpbios_parse_dma_option(struct pnp_dev *dev, unsigned char *p, int size, - struct pnp_option *option) + unsigned int option_flags) { - struct pnp_dma *dma; - - dma = kzalloc(sizeof(struct pnp_dma), GFP_KERNEL); - if (!dma) - return; - dma->map = p[1]; - dma->flags = p[2]; - pnp_register_dma_resource(dev, option, dma); + pnp_register_dma_resource(dev, option_flags, p[1], p[2]); } static __init void pnpbios_parse_port_option(struct pnp_dev *dev, unsigned char *p, int size, - struct pnp_option *option) + unsigned int option_flags) { - struct pnp_port *port; - - port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL); - if (!port) - return; - port->min = (p[3] << 8) | p[2]; - port->max = (p[5] << 8) | p[4]; - port->align = p[6]; - port->size = p[7]; - port->flags = p[1] ? PNP_PORT_FLAG_16BITADDR : 0; - pnp_register_port_resource(dev, option, port); + resource_size_t min, max, align, len; + unsigned char flags; + + min = (p[3] << 8) | p[2]; + max = (p[5] << 8) | p[4]; + align = p[6]; + len = p[7]; + flags = p[1] ? IORESOURCE_IO_16BIT_ADDR : 0; + pnp_register_port_resource(dev, option_flags, min, max, align, len, + flags); } static __init void pnpbios_parse_fixed_port_option(struct pnp_dev *dev, unsigned char *p, int size, - struct pnp_option *option) + unsigned int option_flags) { - struct pnp_port *port; - - port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL); - if (!port) - return; - port->min = port->max = (p[2] << 8) | p[1]; - port->size = p[3]; - port->align = 0; - port->flags = PNP_PORT_FLAG_FIXED; - pnp_register_port_resource(dev, option, port); + resource_size_t base, len; + + base = (p[2] << 8) | p[1]; + len = p[3]; + pnp_register_port_resource(dev, option_flags, base, base, 0, len, + IORESOURCE_IO_FIXED); } static __init unsigned char * pnpbios_parse_resource_option_data(unsigned char *p, unsigned char *end, - struct pnp_dev *dev) + struct pnp_dev *dev) { unsigned int len, tag; - int priority = 0; - struct pnp_option *option, *option_independent; + int priority; + unsigned int option_flags; if (!p) return NULL; dev_dbg(&dev->dev, "parse resource options\n"); - - option_independent = option = pnp_register_independent_option(dev); - if (!option) - return NULL; - + option_flags = 0; while ((char *)p < (char *)end) { /* determine the type of tag */ @@ -363,37 +342,38 @@ pnpbios_parse_resource_option_data(unsigned char *p, unsigned char *end, case LARGE_TAG_MEM: if (len != 9) goto len_err; - pnpbios_parse_mem_option(dev, p, len, option); + pnpbios_parse_mem_option(dev, p, len, option_flags); break; case LARGE_TAG_MEM32: if (len != 17) goto len_err; - pnpbios_parse_mem32_option(dev, p, len, option); + pnpbios_parse_mem32_option(dev, p, len, option_flags); break; case LARGE_TAG_FIXEDMEM32: if (len != 9) goto len_err; - pnpbios_parse_fixed_mem32_option(dev, p, len, option); + pnpbios_parse_fixed_mem32_option(dev, p, len, + option_flags); break; case SMALL_TAG_IRQ: if (len < 2 || len > 3) goto len_err; - pnpbios_parse_irq_option(dev, p, len, option); + pnpbios_parse_irq_option(dev, p, len, option_flags); break; case SMALL_TAG_DMA: if (len != 2) goto len_err; - pnpbios_parse_dma_option(dev, p, len, option); + pnpbios_parse_dma_option(dev, p, len, option_flags); break; case SMALL_TAG_PORT: if (len != 7) goto len_err; - pnpbios_parse_port_option(dev, p, len, option); + pnpbios_parse_port_option(dev, p, len, option_flags); break; case SMALL_TAG_VENDOR: @@ -403,28 +383,23 @@ pnpbios_parse_resource_option_data(unsigned char *p, unsigned char *end, case SMALL_TAG_FIXEDPORT: if (len != 3) goto len_err; - pnpbios_parse_fixed_port_option(dev, p, len, option); + pnpbios_parse_fixed_port_option(dev, p, len, + option_flags); break; case SMALL_TAG_STARTDEP: if (len > 1) goto len_err; - priority = 0x100 | PNP_RES_PRIORITY_ACCEPTABLE; + priority = PNP_RES_PRIORITY_ACCEPTABLE; if (len > 0) - priority = 0x100 | p[1]; - option = pnp_register_dependent_option(dev, priority); - if (!option) - return NULL; + priority = p[1]; + option_flags = pnp_new_dependent_set(dev, priority); break; case SMALL_TAG_ENDDEP: if (len != 0) goto len_err; - if (option_independent == option) - dev_warn(&dev->dev, "missing " - "SMALL_TAG_STARTDEP tag\n"); - option = option_independent; - dev_dbg(&dev->dev, "end dependent options\n"); + option_flags = 0; break; case SMALL_TAG_END: @@ -526,8 +501,16 @@ len_err: static void pnpbios_encode_mem(struct pnp_dev *dev, unsigned char *p, struct resource *res) { - unsigned long base = res->start; - unsigned long len = res->end - res->start + 1; + unsigned long base; + unsigned long len; + + if (pnp_resource_enabled(res)) { + base = res->start; + len = res->end - res->start + 1; + } else { + base = 0; + len = 0; + } p[4] = (base >> 8) & 0xff; p[5] = ((base >> 8) >> 8) & 0xff; @@ -536,15 +519,22 @@ static void pnpbios_encode_mem(struct pnp_dev *dev, unsigned char *p, p[10] = (len >> 8) & 0xff; p[11] = ((len >> 8) >> 8) & 0xff; - dev_dbg(&dev->dev, " encode mem %#llx-%#llx\n", - (unsigned long long) res->start, (unsigned long long) res->end); + dev_dbg(&dev->dev, " encode mem %#lx-%#lx\n", base, base + len - 1); } static void pnpbios_encode_mem32(struct pnp_dev *dev, unsigned char *p, struct resource *res) { - unsigned long base = res->start; - unsigned long len = res->end - res->start + 1; + unsigned long base; + unsigned long len; + + if (pnp_resource_enabled(res)) { + base = res->start; + len = res->end - res->start + 1; + } else { + base = 0; + len = 0; + } p[4] = base & 0xff; p[5] = (base >> 8) & 0xff; @@ -559,15 +549,22 @@ static void pnpbios_encode_mem32(struct pnp_dev *dev, unsigned char *p, p[18] = (len >> 16) & 0xff; p[19] = (len >> 24) & 0xff; - dev_dbg(&dev->dev, " encode mem32 %#llx-%#llx\n", - (unsigned long long) res->start, (unsigned long long) res->end); + dev_dbg(&dev->dev, " encode mem32 %#lx-%#lx\n", base, base + len - 1); } static void pnpbios_encode_fixed_mem32(struct pnp_dev *dev, unsigned char *p, struct resource *res) { - unsigned long base = res->start; - unsigned long len = res->end - res->start + 1; + unsigned long base; + unsigned long len; + + if (pnp_resource_enabled(res)) { + base = res->start; + len = res->end - res->start + 1; + } else { + base = 0; + len = 0; + } p[4] = base & 0xff; p[5] = (base >> 8) & 0xff; @@ -578,40 +575,54 @@ static void pnpbios_encode_fixed_mem32(struct pnp_dev *dev, unsigned char *p, p[10] = (len >> 16) & 0xff; p[11] = (len >> 24) & 0xff; - dev_dbg(&dev->dev, " encode fixed_mem32 %#llx-%#llx\n", - (unsigned long long) res->start, (unsigned long long) res->end); + dev_dbg(&dev->dev, " encode fixed_mem32 %#lx-%#lx\n", base, + base + len - 1); } static void pnpbios_encode_irq(struct pnp_dev *dev, unsigned char *p, struct resource *res) { - unsigned long map = 0; + unsigned long map; + + if (pnp_resource_enabled(res)) + map = 1 << res->start; + else + map = 0; - map = 1 << res->start; p[1] = map & 0xff; p[2] = (map >> 8) & 0xff; - dev_dbg(&dev->dev, " encode irq %llu\n", - (unsigned long long)res->start); + dev_dbg(&dev->dev, " encode irq mask %#lx\n", map); } static void pnpbios_encode_dma(struct pnp_dev *dev, unsigned char *p, struct resource *res) { - unsigned long map = 0; + unsigned long map; + + if (pnp_resource_enabled(res)) + map = 1 << res->start; + else + map = 0; - map = 1 << res->start; p[1] = map & 0xff; - dev_dbg(&dev->dev, " encode dma %llu\n", - (unsigned long long)res->start); + dev_dbg(&dev->dev, " encode dma mask %#lx\n", map); } static void pnpbios_encode_port(struct pnp_dev *dev, unsigned char *p, struct resource *res) { - unsigned long base = res->start; - unsigned long len = res->end - res->start + 1; + unsigned long base; + unsigned long len; + + if (pnp_resource_enabled(res)) { + base = res->start; + len = res->end - res->start + 1; + } else { + base = 0; + len = 0; + } p[2] = base & 0xff; p[3] = (base >> 8) & 0xff; @@ -619,8 +630,7 @@ static void pnpbios_encode_port(struct pnp_dev *dev, unsigned char *p, p[5] = (base >> 8) & 0xff; p[7] = len & 0xff; - dev_dbg(&dev->dev, " encode io %#llx-%#llx\n", - (unsigned long long) res->start, (unsigned long long) res->end); + dev_dbg(&dev->dev, " encode io %#lx-%#lx\n", base, base + len - 1); } static void pnpbios_encode_fixed_port(struct pnp_dev *dev, unsigned char *p, @@ -629,12 +639,20 @@ static void pnpbios_encode_fixed_port(struct pnp_dev *dev, unsigned char *p, unsigned long base = res->start; unsigned long len = res->end - res->start + 1; + if (pnp_resource_enabled(res)) { + base = res->start; + len = res->end - res->start + 1; + } else { + base = 0; + len = 0; + } + p[1] = base & 0xff; p[2] = (base >> 8) & 0xff; p[3] = len & 0xff; - dev_dbg(&dev->dev, " encode fixed_io %#llx-%#llx\n", - (unsigned long long) res->start, (unsigned long long) res->end); + dev_dbg(&dev->dev, " encode fixed_io %#lx-%#lx\n", base, + base + len - 1); } static unsigned char *pnpbios_encode_allocated_resource_data(struct pnp_dev |