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Diffstat (limited to 'drivers/pnp/quirks.c')
-rw-r--r--drivers/pnp/quirks.c307
1 files changed, 156 insertions, 151 deletions
diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c
index 1ff3bb585ab2..55f55ed72dc7 100644
--- a/drivers/pnp/quirks.c
+++ b/drivers/pnp/quirks.c
@@ -5,6 +5,8 @@
* when building up the resource structure for the first time.
*
* Copyright (c) 2000 Peter Denison <peterd@pnd-pc.demon.co.uk>
+ * Copyright (C) 2008 Hewlett-Packard Development Company, L.P.
+ * Bjorn Helgaas <bjorn.helgaas@hp.com>
*
* Heavily based on PCI quirks handling which is
*
@@ -20,203 +22,207 @@
#include <linux/kallsyms.h>
#include "base.h"
+static void quirk_awe32_add_ports(struct pnp_dev *dev,
+ struct pnp_option *option,
+ unsigned int offset)
+{
+ struct pnp_option *new_option;
+
+ new_option = kmalloc(sizeof(struct pnp_option), GFP_KERNEL);
+ if (!new_option) {
+ dev_err(&dev->dev, "couldn't add ioport region to option set "
+ "%d\n", pnp_option_set(option));
+ return;
+ }
+
+ *new_option = *option;
+ new_option->u.port.min += offset;
+ new_option->u.port.max += offset;
+ list_add(&new_option->list, &option->list);
+
+ dev_info(&dev->dev, "added ioport region %#llx-%#llx to set %d\n",
+ (unsigned long long) new_option->u.port.min,
+ (unsigned long long) new_option->u.port.max,
+ pnp_option_set(option));
+}
+
static void quirk_awe32_resources(struct pnp_dev *dev)
{
- struct pnp_port *port, *port2, *port3;
- struct pnp_option *res = dev->dependent;
+ struct pnp_option *option;
+ unsigned int set = ~0;
/*
- * Unfortunately the isapnp_add_port_resource is too tightly bound
- * into the PnP discovery sequence, and cannot be used. Link in the
- * two extra ports (at offset 0x400 and 0x800 from the one given) by
- * hand.
+ * Add two extra ioport regions (at offset 0x400 and 0x800 from the
+ * one given) to every dependent option set.
*/
- for (; res; res = res->next) {
- port2 = pnp_alloc(sizeof(struct pnp_port));
- if (!port2)
- return;
- port3 = pnp_alloc(sizeof(struct pnp_port));
- if (!port3) {
- kfree(port2);
- return;
+ list_for_each_entry(option, &dev->options, list) {
+ if (pnp_option_is_dependent(option) &&
+ pnp_option_set(option) != set) {
+ set = pnp_option_set(option);
+ quirk_awe32_add_ports(dev, option, 0x800);
+ quirk_awe32_add_ports(dev, option, 0x400);
}
- port = res->port;
- memcpy(port2, port, sizeof(struct pnp_port));
- memcpy(port3, port, sizeof(struct pnp_port));
- port->next = port2;
- port2->next = port3;
- port2->min += 0x400;
- port2->max += 0x400;
- port3->min += 0x800;
- port3->max += 0x800;
- dev_info(&dev->dev,
- "AWE32 quirk - added ioports 0x%lx and 0x%lx\n",
- (unsigned long)port2->min,
- (unsigned long)port3->min);
}
}
static void quirk_cmi8330_resources(struct pnp_dev *dev)
{
- struct pnp_option *res = dev->dependent;
- unsigned long tmp;
-
- for (; res; res = res->next) {
-
- struct pnp_irq *irq;
- struct pnp_dma *dma;
+ struct pnp_option *option;
+ struct pnp_irq *irq;
+ struct pnp_dma *dma;
- for (irq = res->irq; irq; irq = irq->next) { // Valid irqs are 5, 7, 10
- tmp = 0x04A0;
- bitmap_copy(irq->map, &tmp, 16); // 0000 0100 1010 0000
- }
+ list_for_each_entry(option, &dev->options, list) {
+ if (!pnp_option_is_dependent(option))
+ continue;
- for (dma = res->dma; dma; dma = dma->next) // Valid 8bit dma channels are 1,3
+ if (option->type == IORESOURCE_IRQ) {
+ irq = &option->u.irq;
+ bitmap_zero(irq->map.bits, PNP_IRQ_NR);
+ __set_bit(5, irq->map.bits);
+ __set_bit(7, irq->map.bits);
+ __set_bit(10, irq->map.bits);
+ dev_info(&dev->dev, "set possible IRQs in "
+ "option set %d to 5, 7, 10\n",
+ pnp_option_set(option));
+ } else if (option->type == IORESOURCE_DMA) {
+ dma = &option->u.dma;
if ((dma->flags & IORESOURCE_DMA_TYPE_MASK) ==
- IORESOURCE_DMA_8BIT)
- dma->map = 0x000A;
+ IORESOURCE_DMA_8BIT &&
+ dma->map != 0x0A) {
+ dev_info(&dev->dev, "changing possible "
+ "DMA channel mask in option set %d "
+ "from %#02x to 0x0A (1, 3)\n",
+ pnp_option_set(option), dma->map);
+ dma->map = 0x0A;
+ }
+ }
}
- dev_info(&dev->dev, "CMI8330 quirk - forced possible IRQs to 5, 7, 10 "
- "and DMA channels to 1, 3\n");
}
static void quirk_sb16audio_resources(struct pnp_dev *dev)
{
+ struct pnp_option *option;
+ unsigned int prev_option_flags = ~0, n = 0;
struct pnp_port *port;
- struct pnp_option *res = dev->dependent;
- int changed = 0;
/*
- * The default range on the mpu port for these devices is 0x388-0x388.
+ * The default range on the OPL port for these devices is 0x388-0x388.
* Here we increase that range so that two such cards can be
* auto-configured.
*/
+ list_for_each_entry(option, &dev->options, list) {
+ if (prev_option_flags != option->flags) {
+ prev_option_flags = option->flags;
+ n = 0;
+ }
- for (; res; res = res->next) {
- port = res->port;
- if (!port)
- continue;
- port = port->next;
- if (!port)
- continue;
- port = port->next;
- if (!port)
- continue;
- if (port->min != port->max)
- continue;
- port->max += 0x70;
- changed = 1;
+ if (pnp_option_is_dependent(option) &&
+ option->type == IORESOURCE_IO) {
+ n++;
+ port = &option->u.port;
+ if (n == 3 && port->min == port->max) {
+ port->max += 0x70;
+ dev_info(&dev->dev, "increased option port "
+ "range from %#llx-%#llx to "
+ "%#llx-%#llx\n",
+ (unsigned long long) port->min,
+ (unsigned long long) port->min,
+ (unsigned long long) port->min,
+ (unsigned long long) port->max);
+ }
+ }
}
- if (changed)
- dev_info(&dev->dev, "SB audio device quirk - increased port range\n");
}
-static struct pnp_option *quirk_isapnp_mpu_options(struct pnp_dev *dev)
+static struct pnp_option *pnp_clone_dependent_set(struct pnp_dev *dev,
+ unsigned int set)
{
- struct pnp_option *head = NULL;
- struct pnp_option *prev = NULL;
- struct pnp_option *res;
-
- /*
- * Build a functional IRQ-less variant of each MPU option.
- */
-
- for (res = dev->dependent; res; res = res->next) {
- struct pnp_option *curr;
- struct pnp_port *port;
- struct pnp_port *copy;
+ struct pnp_option *tail = NULL, *first_new_option = NULL;
+ struct pnp_option *option, *new_option;
+ unsigned int flags;
- port = res->port;
- if (!port || !res->irq)
- continue;
+ list_for_each_entry(option, &dev->options, list) {
+ if (pnp_option_is_dependent(option))
+ tail = option;
+ }
+ if (!tail) {
+ dev_err(&dev->dev, "no dependent option sets\n");
+ return NULL;
+ }
- copy = pnp_alloc(sizeof *copy);
- if (!copy)
- break;
+ flags = pnp_new_dependent_set(dev, PNP_RES_PRIORITY_FUNCTIONAL);
+ list_for_each_entry(option, &dev->options, list) {
+ if (pnp_option_is_dependent(option) &&
+ pnp_option_set(option) == set) {
+ new_option = kmalloc(sizeof(struct pnp_option),
+ GFP_KERNEL);
+ if (!new_option) {
+ dev_err(&dev->dev, "couldn't clone dependent "
+ "set %d\n", set);
+ return NULL;
+ }
- copy->min = port->min;
- copy->max = port->max;
- copy->align = port->align;
- copy->size = port->size;
- copy->flags = port->flags;
+ *new_option = *option;
+ new_option->flags = flags;
+ if (!first_new_option)
+ first_new_option = new_option;
- curr = pnp_build_option(PNP_RES_PRIORITY_FUNCTIONAL);
- if (!curr) {
- kfree(copy);
- break;
+ list_add(&new_option->list, &tail->list);
+ tail = new_option;
}
- curr->port = copy;
-
- if (prev)
- prev->next = curr;
- else
- head = curr;
- prev = curr;
}
- if (head)
- dev_info(&dev->dev, "adding IRQ-less MPU options\n");
- return head;
+ return first_new_option;
}
-static void quirk_ad1815_mpu_resources(struct pnp_dev *dev)
+
+static void quirk_add_irq_optional_dependent_sets(struct pnp_dev *dev)
{
- struct pnp_option *res;
+ struct pnp_option *new_option;
+ unsigned int num_sets, i, set;
struct pnp_irq *irq;
- /*
- * Distribute the independent IRQ over the dependent options
- */
-
- res = dev->independent;
- if (!res)
- return;
-
- irq = res->irq;
- if (!irq || irq->next)
- return;
-
- res = dev->dependent;
- if (!res)
- return;
-
- while (1) {
- struct pnp_irq *copy;
-
- copy = pnp_alloc(sizeof *copy);
- if (!copy)
- break;
-
- memcpy(copy->map, irq->map, sizeof copy->map);
- copy->flags = irq->flags;
+ num_sets = dev->num_dependent_sets;
+ for (i = 0; i < num_sets; i++) {
+ new_option = pnp_clone_dependent_set(dev, i);
+ if (!new_option)
+ return;
- copy->next = res->irq; /* Yes, this is NULL */
- res->irq = copy;
+ set = pnp_option_set(new_option);
+ while (new_option && pnp_option_set(new_option) == set) {
+ if (new_option->type == IORESOURCE_IRQ) {
+ irq = &new_option->u.irq;
+ irq->flags |= IORESOURCE_IRQ_OPTIONAL;
+ }
+ dbg_pnp_show_option(dev, new_option);
+ new_option = list_entry(new_option->list.next,
+ struct pnp_option, list);
+ }
- if (!res->next)
- break;
- res = res->next;
+ dev_info(&dev->dev, "added dependent option set %d (same as "
+ "set %d except IRQ optional)\n", set, i);
}
- kfree(irq);
-
- res->next = quirk_isapnp_mpu_options(dev);
-
- res = dev->independent;
- res->irq = NULL;
}
-static void quirk_isapnp_mpu_resources(struct pnp_dev *dev)
+static void quirk_ad1815_mpu_resources(struct pnp_dev *dev)
{
- struct pnp_option *res;
+ struct pnp_option *option;
+ struct pnp_irq *irq = NULL;
+ unsigned int independent_irqs = 0;
+
+ list_for_each_entry(option, &dev->options, list) {
+ if (option->type == IORESOURCE_IRQ &&
+ !pnp_option_is_dependent(option)) {
+ independent_irqs++;
+ irq = &option->u.irq;
+ }
+ }
- res = dev->dependent;
- if (!res)
+ if (independent_irqs != 1)
return;
- while (res->next)
- res = res->next;
-
- res->next = quirk_isapnp_mpu_options(dev);
+ irq->flags |= IORESOURCE_IRQ_OPTIONAL;
+ dev_info(&dev->dev, "made independent IRQ optional\n");
}
#include <linux/pci.h>
@@ -248,8 +254,7 @@ static void quirk_system_pci_resources(struct pnp_dev *dev)
for (j = 0;
(res = pnp_get_resource(dev, IORESOURCE_MEM, j));
j++) {
- if (res->flags & IORESOURCE_UNSET ||
- (res->start == 0 && res->end == 0))
+ if (res->start == 0 && res->end == 0)
continue;
pnp_start = res->start;
@@ -312,10 +317,10 @@ static struct pnp_fixup pnp_fixups[] = {
{"CTL0043", quirk_sb16audio_resources},
{"CTL0044", quirk_sb16audio_resources},
{"CTL0045", quirk_sb16audio_resources},
- /* Add IRQ-less MPU options */
+ /* Add IRQ-optional MPU options */
{"ADS7151", quirk_ad1815_mpu_resources},
- {"ADS7181", quirk_isapnp_mpu_resources},
- {"AZT0002", quirk_isapnp_mpu_resources},
+ {"ADS7181", quirk_add_irq_optional_dependent_sets},
+ {"AZT0002", quirk_add_irq_optional_dependent_sets},
/* PnP resources that might overlap PCI BARs */
{"PNP0c01", quirk_system_pci_resources},
{"PNP0c02", quirk_system_pci_resources},