diff options
Diffstat (limited to 'drivers/pnp/isapnp/core.c')
| -rw-r--r-- | drivers/pnp/isapnp/core.c | 277 |
1 files changed, 103 insertions, 174 deletions
diff --git a/drivers/pnp/isapnp/core.c b/drivers/pnp/isapnp/core.c index f1bccdbdeb0..cf88f9b6244 100644 --- a/drivers/pnp/isapnp/core.c +++ b/drivers/pnp/isapnp/core.c @@ -37,7 +37,6 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/errno.h> -#include <linux/slab.h> #include <linux/delay.h> #include <linux/init.h> #include <linux/isapnp.h> @@ -380,10 +379,6 @@ static int __init isapnp_read_tag(unsigned char *type, unsigned short *size) *type = (tag >> 3) & 0x0f; *size = tag & 0x07; } -#if 0 - printk(KERN_DEBUG "tag = 0x%x, type = 0x%x, size = %i\n", tag, *type, - *size); -#endif if (*type == 0xff && *size == 0xffff) /* probably invalid data */ return -1; return 0; @@ -429,154 +424,135 @@ static struct pnp_dev *__init isapnp_parse_device(struct pnp_card *card, * Add IRQ resource to resources list. */ static void __init isapnp_parse_irq_resource(struct pnp_dev *dev, - struct pnp_option *option, + unsigned int option_flags, int size) { unsigned char tmp[3]; - struct pnp_irq *irq; unsigned long bits; + pnp_irq_mask_t map; + unsigned char flags = IORESOURCE_IRQ_HIGHEDGE; isapnp_peek(tmp, size); - irq = kzalloc(sizeof(struct pnp_irq), GFP_KERNEL); - if (!irq) - return; bits = (tmp[1] << 8) | tmp[0]; - bitmap_copy(irq->map, &bits, 16); + + bitmap_zero(map.bits, PNP_IRQ_NR); + bitmap_copy(map.bits, &bits, 16); + if (size > 2) - irq->flags = tmp[2]; - else - irq->flags = IORESOURCE_IRQ_HIGHEDGE; - pnp_register_irq_resource(dev, option, irq); + flags = tmp[2]; + + pnp_register_irq_resource(dev, option_flags, &map, flags); } /* * Add DMA resource to resources list. */ static void __init isapnp_parse_dma_resource(struct pnp_dev *dev, - struct pnp_option *option, + unsigned int option_flags, int size) { unsigned char tmp[2]; - struct pnp_dma *dma; isapnp_peek(tmp, size); - dma = kzalloc(sizeof(struct pnp_dma), GFP_KERNEL); - if (!dma) - return; - dma->map = tmp[0]; - dma->flags = tmp[1]; - pnp_register_dma_resource(dev, option, dma); + pnp_register_dma_resource(dev, option_flags, tmp[0], tmp[1]); } /* * Add port resource to resources list. */ static void __init isapnp_parse_port_resource(struct pnp_dev *dev, - struct pnp_option *option, + unsigned int option_flags, int size) { unsigned char tmp[7]; - struct pnp_port *port; + resource_size_t min, max, align, len; + unsigned char flags; isapnp_peek(tmp, size); - port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL); - if (!port) - return; - port->min = (tmp[2] << 8) | tmp[1]; - port->max = (tmp[4] << 8) | tmp[3]; - port->align = tmp[5]; - port->size = tmp[6]; - port->flags = tmp[0] ? PNP_PORT_FLAG_16BITADDR : 0; - pnp_register_port_resource(dev, option, port); + min = (tmp[2] << 8) | tmp[1]; + max = (tmp[4] << 8) | tmp[3]; + align = tmp[5]; + len = tmp[6]; + flags = tmp[0] ? IORESOURCE_IO_16BIT_ADDR : 0; + pnp_register_port_resource(dev, option_flags, + min, max, align, len, flags); } /* * Add fixed port resource to resources list. */ static void __init isapnp_parse_fixed_port_resource(struct pnp_dev *dev, - struct pnp_option *option, + unsigned int option_flags, int size) { unsigned char tmp[3]; - struct pnp_port *port; + resource_size_t base, len; isapnp_peek(tmp, size); - port = kzalloc(sizeof(struct pnp_port), GFP_KERNEL); - if (!port) - return; - port->min = port->max = (tmp[1] << 8) | tmp[0]; - port->size = tmp[2]; - port->align = 0; - port->flags = PNP_PORT_FLAG_FIXED; - pnp_register_port_resource(dev, option, port); + base = (tmp[1] << 8) | tmp[0]; + len = tmp[2]; + pnp_register_port_resource(dev, option_flags, base, base, 0, len, + IORESOURCE_IO_FIXED); } /* * Add memory resource to resources list. */ static void __init isapnp_parse_mem_resource(struct pnp_dev *dev, - struct pnp_option *option, + unsigned int option_flags, int size) { unsigned char tmp[9]; - struct pnp_mem *mem; + resource_size_t min, max, align, len; + unsigned char flags; isapnp_peek(tmp, size); - mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); - if (!mem) - return; - mem->min = ((tmp[2] << 8) | tmp[1]) << 8; - mem->max = ((tmp[4] << 8) | tmp[3]) << 8; - mem->align = (tmp[6] << 8) | tmp[5]; - mem->size = ((tmp[8] << 8) | tmp[7]) << 8; - mem->flags = tmp[0]; - pnp_register_mem_resource(dev, option, mem); + min = ((tmp[2] << 8) | tmp[1]) << 8; + max = ((tmp[4] << 8) | tmp[3]) << 8; + align = (tmp[6] << 8) | tmp[5]; + len = ((tmp[8] << 8) | tmp[7]) << 8; + flags = tmp[0]; + pnp_register_mem_resource(dev, option_flags, + min, max, align, len, flags); } /* * Add 32-bit memory resource to resources list. */ static void __init isapnp_parse_mem32_resource(struct pnp_dev *dev, - struct pnp_option *option, + unsigned int option_flags, int size) { unsigned char tmp[17]; - struct pnp_mem *mem; + resource_size_t min, max, align, len; + unsigned char flags; isapnp_peek(tmp, size); - mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); - if (!mem) - return; - mem->min = (tmp[4] << 24) | (tmp[3] << 16) | (tmp[2] << 8) | tmp[1]; - mem->max = (tmp[8] << 24) | (tmp[7] << 16) | (tmp[6] << 8) | tmp[5]; - mem->align = - (tmp[12] << 24) | (tmp[11] << 16) | (tmp[10] << 8) | tmp[9]; - mem->size = - (tmp[16] << 24) | (tmp[15] << 16) | (tmp[14] << 8) | tmp[13]; - mem->flags = tmp[0]; - pnp_register_mem_resource(dev, option, mem); + min = (tmp[4] << 24) | (tmp[3] << 16) | (tmp[2] << 8) | tmp[1]; + max = (tmp[8] << 24) | (tmp[7] << 16) | (tmp[6] << 8) | tmp[5]; + align = (tmp[12] << 24) | (tmp[11] << 16) | (tmp[10] << 8) | tmp[9]; + len = (tmp[16] << 24) | (tmp[15] << 16) | (tmp[14] << 8) | tmp[13]; + flags = tmp[0]; + pnp_register_mem_resource(dev, option_flags, + min, max, align, len, flags); } /* * Add 32-bit fixed memory resource to resources list. */ static void __init isapnp_parse_fixed_mem32_resource(struct pnp_dev *dev, - struct pnp_option *option, + unsigned int option_flags, int size) { unsigned char tmp[9]; - struct pnp_mem *mem; + resource_size_t base, len; + unsigned char flags; isapnp_peek(tmp, size); - mem = kzalloc(sizeof(struct pnp_mem), GFP_KERNEL); - if (!mem) - return; - mem->min = mem->max = - (tmp[4] << 24) | (tmp[3] << 16) | (tmp[2] << 8) | tmp[1]; - mem->size = (tmp[8] << 24) | (tmp[7] << 16) | (tmp[6] << 8) | tmp[5]; - mem->align = 0; - mem->flags = tmp[0]; - pnp_register_mem_resource(dev, option, mem); + base = (tmp[4] << 24) | (tmp[3] << 16) | (tmp[2] << 8) | tmp[1]; + len = (tmp[8] << 24) | (tmp[7] << 16) | (tmp[6] << 8) | tmp[5]; + flags = tmp[0]; + pnp_register_mem_resource(dev, option_flags, base, base, 0, len, flags); } /* @@ -604,20 +580,16 @@ isapnp_parse_name(char *name, unsigned int name_max, unsigned short *size) static int __init isapnp_create_device(struct pnp_card *card, unsigned short size) { - int number = 0, skip = 0, priority = 0, compat = 0; + int number = 0, skip = 0, priority, compat = 0; unsigned char type, tmp[17]; - struct pnp_option *option; + unsigned int option_flags; struct pnp_dev *dev; u32 eisa_id; char id[8]; if ((dev = isapnp_parse_device(card, size, number++)) == NULL) return 1; - option = pnp_register_independent_option(dev); - if (!option) { - kfree(dev); - return 1; - } + option_flags = 0; pnp_add_card_device(card, dev); while (1) { @@ -634,16 +606,11 @@ static int __init isapnp_create_device(struct pnp_card *card, return 1; size = 0; skip = 0; - option = pnp_register_independent_option(dev); - if (!option) { - kfree(dev); - return 1; - } + option_flags = 0; pnp_add_card_device(card, dev); } else { skip = 1; } - priority = 0; compat = 0; break; case _STAG_COMPATDEVID: @@ -660,44 +627,42 @@ static int __init isapnp_create_device(struct pnp_card *card, case _STAG_IRQ: if (size < 2 || size > 3) goto __skip; - isapnp_parse_irq_resource(dev, option, size); + isapnp_parse_irq_resource(dev, option_flags, size); size = 0; break; case _STAG_DMA: if (size != 2) goto __skip; - isapnp_parse_dma_resource(dev, option, size); + isapnp_parse_dma_resource(dev, option_flags, size); size = 0; break; case _STAG_STARTDEP: if (size > 1) goto __skip; - priority = 0x100 | PNP_RES_PRIORITY_ACCEPTABLE; + priority = PNP_RES_PRIORITY_ACCEPTABLE; if (size > 0) { isapnp_peek(tmp, size); - priority = 0x100 | tmp[0]; + priority = tmp[0]; size = 0; } - option = pnp_register_dependent_option(dev, priority); - if (!option) - return 1; + option_flags = pnp_new_dependent_set(dev, priority); break; case _STAG_ENDDEP: if (size != 0) goto __skip; - priority = 0; - dev_dbg(&dev->dev, "end dependent options\n"); + option_flags = 0; break; case _STAG_IOPORT: if (size != 7) goto __skip; - isapnp_parse_port_resource(dev, option, size); + isapnp_parse_port_resource(dev, option_flags, size); size = 0; break; case _STAG_FIXEDIO: if (size != 3) goto __skip; - isapnp_parse_fixed_port_resource(dev, option, size); + isapnp_parse_fixed_port_resource(dev, option_flags, + size); size = 0; break; case _STAG_VENDOR: @@ -705,7 +670,7 @@ static int __init isapnp_create_device(struct pnp_card *card, case _LTAG_MEMRANGE: if (size != 9) goto __skip; - isapnp_parse_mem_resource(dev, option, size); + isapnp_parse_mem_resource(dev, option_flags, size); size = 0; break; case _LTAG_ANSISTR: @@ -720,13 +685,14 @@ static int __init isapnp_create_device(struct pnp_card *card, case _LTAG_MEM32RANGE: if (size != 17) goto __skip; - isapnp_parse_mem32_resource(dev, option, size); + isapnp_parse_mem32_resource(dev, option_flags, size); size = 0; break; case _LTAG_FIXEDMEM32RANGE: if (size != 9) goto __skip; - isapnp_parse_fixed_mem32_resource(dev, option, size); + isapnp_parse_fixed_mem32_resource(dev, option_flags, + size); size = 0; break; case _STAG_END: @@ -843,13 +809,6 @@ static int __init isapnp_build_device_list(void) if (!card) continue; -#if 0 - dev_info(&card->dev, - "vendor: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n", - header[0], header[1], header[2], header[3], header[4], - header[5], header[6], header[7], header[8]); - dev_info(&card->dev, "checksum = %#x\n", checksum); -#endif INIT_LIST_HEAD(&card->devices); card->serial = (header[7] << 24) | (header[6] << 16) | (header[5] << 8) | @@ -928,10 +887,9 @@ EXPORT_SYMBOL(isapnp_write_byte); static int isapnp_get_resources(struct pnp_dev *dev) { - struct pnp_resource *pnp_res; int i, ret; - dev_dbg(&dev->dev, "get resources\n"); + pnp_dbg(&dev->dev, "get resources\n"); pnp_init_resources(dev); isapnp_cfg_begin(dev->card->number, dev->number); dev->active = isapnp_read_byte(ISAPNP_CFG_ACTIVATE); @@ -940,35 +898,23 @@ static int isapnp_get_resources(struct pnp_dev *dev) for (i = 0; i < ISAPNP_MAX_PORT; i++) { ret = isapnp_read_word(ISAPNP_CFG_PORT + (i << 1)); - if (ret) { - pnp_res = pnp_add_io_resource(dev, ret, ret, 0); - if (pnp_res) - pnp_res->index = i; - } + pnp_add_io_resource(dev, ret, ret, + ret == 0 ? IORESOURCE_DISABLED : 0); } for (i = 0; i < ISAPNP_MAX_MEM; i++) { ret = isapnp_read_word(ISAPNP_CFG_MEM + (i << 3)) << 8; - if (ret) { - pnp_res = pnp_add_mem_resource(dev, ret, ret, 0); - if (pnp_res) - pnp_res->index = i; - } + pnp_add_mem_resource(dev, ret, ret, + ret == 0 ? IORESOURCE_DISABLED : 0); } for (i = 0; i < ISAPNP_MAX_IRQ; i++) { ret = isapnp_read_word(ISAPNP_CFG_IRQ + (i << 1)) >> 8; - if (ret) { - pnp_res = pnp_add_irq_resource(dev, ret, 0); - if (pnp_res) - pnp_res->index = i; - } + pnp_add_irq_resource(dev, ret, + ret == 0 ? IORESOURCE_DISABLED : 0); } for (i = 0; i < ISAPNP_MAX_DMA; i++) { ret = isapnp_read_byte(ISAPNP_CFG_DMA + i); - if (ret != 4) { - pnp_res = pnp_add_dma_resource(dev, ret, 0); - if (pnp_res) - pnp_res->index = i; - } + pnp_add_dma_resource(dev, ret, + ret == 4 ? IORESOURCE_DISABLED : 0); } __end: @@ -978,62 +924,45 @@ __end: static int isapnp_set_resources(struct pnp_dev *dev) { - struct pnp_resource *pnp_res; struct resource *res; - int tmp, index; + int tmp; - dev_dbg(&dev->dev, "set resources\n"); + pnp_dbg(&dev->dev, "set resources\n"); isapnp_cfg_begin(dev->card->number, dev->number); dev->active = 1; for (tmp = 0; tmp < ISAPNP_MAX_PORT; tmp++) { - pnp_res = pnp_get_pnp_resource(dev, IORESOURCE_IO, tmp); - if (!pnp_res) - continue; - res = &pnp_res->res; - if (pnp_resource_valid(res)) { - index = pnp_res->index; - dev_dbg(&dev->dev, " set io %d to %#llx\n", - index, (unsigned long long) res->start); - isapnp_write_word(ISAPNP_CFG_PORT + (index << 1), + res = pnp_get_resource(dev, IORESOURCE_IO, tmp); + if (pnp_resource_enabled(res)) { + pnp_dbg(&dev->dev, " set io %d to %#llx\n", + tmp, (unsigned long long) res->start); + isapnp_write_word(ISAPNP_CFG_PORT + (tmp << 1), res->start); } } for (tmp = 0; tmp < ISAPNP_MAX_IRQ; tmp++) { - pnp_res = pnp_get_pnp_resource(dev, IORESOURCE_IRQ, tmp); - if (!pnp_res) - continue; - res = &pnp_res->res; - if (pnp_resource_valid(res)) { + res = pnp_get_resource(dev, IORESOURCE_IRQ, tmp); + if (pnp_resource_enabled(res)) { int irq = res->start; if (irq == 2) irq = 9; - index = pnp_res->index; - dev_dbg(&dev->dev, " set irq %d to %d\n", index, irq); - isapnp_write_byte(ISAPNP_CFG_IRQ + (index << 1), irq); + pnp_dbg(&dev->dev, " set irq %d to %d\n", tmp, irq); + isapnp_write_byte(ISAPNP_CFG_IRQ + (tmp << 1), irq); } } for (tmp = 0; tmp < ISAPNP_MAX_DMA; tmp++) { - pnp_res = pnp_get_pnp_resource(dev, IORESOURCE_DMA, tmp); - if (!pnp_res) - continue; - res = &pnp_res->res; - if (pnp_resource_valid(res)) { - index = pnp_res->index; - dev_dbg(&dev->dev, " set dma %d to %lld\n", - index, (unsigned long long) res->start); - isapnp_write_byte(ISAPNP_CFG_DMA + index, res->start); + res = pnp_get_resource(dev, IORESOURCE_DMA, tmp); + if (pnp_resource_enabled(res)) { + pnp_dbg(&dev->dev, " set dma %d to %lld\n", + tmp, (unsigned long long) res->start); + isapnp_write_byte(ISAPNP_CFG_DMA + tmp, res->start); } } for (tmp = 0; tmp < ISAPNP_MAX_MEM; tmp++) { - pnp_res = pnp_get_pnp_resource(dev, IORESOURCE_MEM, tmp); - if (!pnp_res) - continue; - res = &pnp_res->res; - if (pnp_resource_valid(res)) { - index = pnp_res->index; - dev_dbg(&dev->dev, " set mem %d to %#llx\n", - index, (unsigned long long) res->start); - isapnp_write_word(ISAPNP_CFG_MEM + (index << 3), + res = pnp_get_resource(dev, IORESOURCE_MEM, tmp); + if (pnp_resource_enabled(res)) { + pnp_dbg(&dev->dev, " set mem %d to %#llx\n", + tmp, (unsigned long long) res->start); + isapnp_write_word(ISAPNP_CFG_MEM + (tmp << 3), (res->start >> 8) & 0xffff); } } @@ -1071,7 +1000,7 @@ static int __init isapnp_init(void) printk(KERN_INFO "isapnp: ISA Plug & Play support disabled\n"); return 0; } -#ifdef CONFIG_PPC_MERGE +#ifdef CONFIG_PPC if (check_legacy_ioport(_PIDXR) || check_legacy_ioport(_PNPWRP)) return -EINVAL; #endif |