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path: root/drivers/pnp/quirks.c
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Diffstat (limited to 'drivers/pnp/quirks.c')
-rw-r--r--drivers/pnp/quirks.c163
1 files changed, 29 insertions, 134 deletions
diff --git a/drivers/pnp/quirks.c b/drivers/pnp/quirks.c
index 7c3236690cc3..6b0cf0c2a088 100644
--- a/drivers/pnp/quirks.c
+++ b/drivers/pnp/quirks.c
@@ -19,7 +19,6 @@
#include <linux/io.h>
#include "base.h"
-
static void quirk_awe32_resources(struct pnp_dev *dev)
{
struct pnp_port *port, *port2, *port3;
@@ -31,7 +30,7 @@ static void quirk_awe32_resources(struct pnp_dev *dev)
* two extra ports (at offset 0x400 and 0x800 from the one given) by
* hand.
*/
- for ( ; res ; res = res->next ) {
+ for (; res; res = res->next) {
port2 = pnp_alloc(sizeof(struct pnp_port));
if (!port2)
return;
@@ -58,18 +57,19 @@ static void quirk_cmi8330_resources(struct pnp_dev *dev)
struct pnp_option *res = dev->dependent;
unsigned long tmp;
- for ( ; res ; res = res->next ) {
+ for (; res; res = res->next) {
struct pnp_irq *irq;
struct pnp_dma *dma;
- for( irq = res->irq; irq; irq = irq->next ) { // Valid irqs are 5, 7, 10
+ 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
}
- for( dma = res->dma; dma; dma = dma->next ) // Valid 8bit dma channels are 1,3
- if( ( dma->flags & IORESOURCE_DMA_TYPE_MASK ) == IORESOURCE_DMA_8BIT )
+ for (dma = res->dma; dma; dma = dma->next) // Valid 8bit dma channels are 1,3
+ if ((dma->flags & IORESOURCE_DMA_TYPE_MASK) ==
+ IORESOURCE_DMA_8BIT)
dma->map = 0x000A;
}
printk(KERN_INFO "pnp: CMI8330 quirk - fixing interrupts and dma\n");
@@ -79,7 +79,7 @@ static void quirk_sb16audio_resources(struct pnp_dev *dev)
{
struct pnp_port *port;
struct pnp_option *res = dev->dependent;
- int changed = 0;
+ int changed = 0;
/*
* The default range on the mpu port for these devices is 0x388-0x388.
@@ -87,129 +87,26 @@ static void quirk_sb16audio_resources(struct pnp_dev *dev)
* auto-configured.
*/
- for( ; res ; res = res->next ) {
+ for (; res; res = res->next) {
port = res->port;
- if(!port)
+ if (!port)
continue;
port = port->next;
- if(!port)
+ if (!port)
continue;
port = port->next;
- if(!port)
+ if (!port)
continue;
- if(port->min != port->max)
+ if (port->min != port->max)
continue;
port->max += 0x70;
changed = 1;
}
- if(changed)
- printk(KERN_INFO "pnp: SB audio device quirk - increasing port range\n");
- return;
-}
-
-static int quirk_smc_fir_enabled(struct pnp_dev *dev)
-{
- unsigned long firbase;
- u8 bank, high, low, chip;
-
- if (!pnp_port_valid(dev, 1))
- return 0;
-
- firbase = pnp_port_start(dev, 1);
-
- /* Select register bank 3 */
- bank = inb(firbase + 7);
- bank &= 0xf0;
- bank |= 3;
- outb(bank, firbase + 7);
-
- high = inb(firbase + 0);
- low = inb(firbase + 1);
- chip = inb(firbase + 2);
-
- /* This corresponds to the check in smsc_ircc_present() */
- if (high == 0x10 && low == 0xb8 && (chip == 0xf1 || chip == 0xf2))
- return 1;
-
- return 0;
+ if (changed)
+ printk(KERN_INFO
+ "pnp: SB audio device quirk - increasing port range\n");
}
-static void quirk_smc_enable(struct pnp_dev *dev)
-{
- struct resource fir, sir, irq;
-
- pnp_activate_dev(dev);
- if (quirk_smc_fir_enabled(dev))
- return;
-
- /*
- * Sometimes the BIOS claims the device is enabled, but it reports
- * the wrong FIR resources or doesn't properly configure ISA or LPC
- * bridges on the way to the device.
- *
- * HP nc6000 and nc8000/nw8000 laptops have known problems like
- * this. Fortunately, they do fix things up if we auto-configure
- * the device using its _PRS and _SRS methods.
- */
- dev_err(&dev->dev, "%s not responding at SIR 0x%lx, FIR 0x%lx; "
- "auto-configuring\n", dev->id->id,
- (unsigned long) pnp_port_start(dev, 0),
- (unsigned long) pnp_port_start(dev, 1));
-
- pnp_disable_dev(dev);
- pnp_init_resource_table(&dev->res);
- pnp_auto_config_dev(dev);
- pnp_activate_dev(dev);
- if (quirk_smc_fir_enabled(dev)) {
- dev_err(&dev->dev, "responds at SIR 0x%lx, FIR 0x%lx\n",
- (unsigned long) pnp_port_start(dev, 0),
- (unsigned long) pnp_port_start(dev, 1));
- return;
- }
-
- /*
- * The Toshiba Portege 4000 _CRS reports the FIR region first,
- * followed by the SIR region. The BIOS will configure the bridge,
- * but only if we call _SRS with SIR first, then FIR. It also
- * reports the IRQ as active high, when it is really active low.
- */
- dev_err(&dev->dev, "not responding at SIR 0x%lx, FIR 0x%lx; "
- "swapping SIR/FIR and reconfiguring\n",
- (unsigned long) pnp_port_start(dev, 0),
- (unsigned long) pnp_port_start(dev, 1));
-
- /*
- * Clear IORESOURCE_AUTO so pnp_activate_dev() doesn't reassign
- * these resources any more.
- */
- fir = dev->res.port_resource[0];
- sir = dev->res.port_resource[1];
- fir.flags &= ~IORESOURCE_AUTO;
- sir.flags &= ~IORESOURCE_AUTO;
-
- irq = dev->res.irq_resource[0];
- irq.flags &= ~IORESOURCE_AUTO;
- irq.flags &= ~IORESOURCE_BITS;
- irq.flags |= IORESOURCE_IRQ_LOWEDGE;
-
- pnp_disable_dev(dev);
- dev->res.port_resource[0] = sir;
- dev->res.port_resource[1] = fir;
- dev->res.irq_resource[0] = irq;
- pnp_activate_dev(dev);
-
- if (quirk_smc_fir_enabled(dev)) {
- dev_err(&dev->dev, "responds at SIR 0x%lx, FIR 0x%lx\n",
- (unsigned long) pnp_port_start(dev, 0),
- (unsigned long) pnp_port_start(dev, 1));
- return;
- }
-
- dev_err(&dev->dev, "giving up; try \"smsc-ircc2.nopnp\" and "
- "email bjorn.helgaas@hp.com\n");
-}
-
-
/*
* PnP Quirks
* Cards or devices that need some tweaking due to incomplete resource info
@@ -217,21 +114,20 @@ static void quirk_smc_enable(struct pnp_dev *dev)
static struct pnp_fixup pnp_fixups[] = {
/* Soundblaster awe io port quirk */
- { "CTL0021", quirk_awe32_resources },
- { "CTL0022", quirk_awe32_resources },
- { "CTL0023", quirk_awe32_resources },
+ {"CTL0021", quirk_awe32_resources},
+ {"CTL0022", quirk_awe32_resources},
+ {"CTL0023", quirk_awe32_resources},
/* CMI 8330 interrupt and dma fix */
- { "@X@0001", quirk_cmi8330_resources },
+ {"@X@0001", quirk_cmi8330_resources},
/* Soundblaster audio device io port range quirk */
- { "CTL0001", quirk_sb16audio_resources },
- { "CTL0031", quirk_sb16audio_resources },
- { "CTL0041", quirk_sb16audio_resources },
- { "CTL0042", quirk_sb16audio_resources },
- { "CTL0043", quirk_sb16audio_resources },
- { "CTL0044", quirk_sb16audio_resources },
- { "CTL0045", quirk_sb16audio_resources },
- { "SMCf010", quirk_smc_enable },
- { "" }
+ {"CTL0001", quirk_sb16audio_resources},
+ {"CTL0031", quirk_sb16audio_resources},
+ {"CTL0041", quirk_sb16audio_resources},
+ {"CTL0042", quirk_sb16audio_resources},
+ {"CTL0043", quirk_sb16audio_resources},
+ {"CTL0044", quirk_sb16audio_resources},
+ {"CTL0045", quirk_sb16audio_resources},
+ {""}
};
void pnp_fixup_device(struct pnp_dev *dev)
@@ -239,9 +135,8 @@ void pnp_fixup_device(struct pnp_dev *dev)
int i = 0;
while (*pnp_fixups[i].id) {
- if (compare_pnp_id(dev->id,pnp_fixups[i].id)) {
- pnp_dbg("Calling quirk for %s",
- dev->dev.bus_id);
+ if (compare_pnp_id(dev->id, pnp_fixups[i].id)) {
+ pnp_dbg("Calling quirk for %s", dev->dev.bus_id);
pnp_fixups[i].quirk_function(dev);
}
i++;