#include <linux/string.h>
#include <linux/slab.h>
#include <linux/pnp.h>
+#include <linux/io.h>
#include "base.h"
-
static void quirk_awe32_resources(struct pnp_dev *dev)
{
struct pnp_port *port, *port2, *port3;
* 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;
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");
{
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.
* 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;
+ if (changed)
+ printk(KERN_INFO
+ "pnp: SB audio device quirk - increasing port range\n");
+}
+
+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;
+}
+
+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");
}
/*
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 },
- { "" }
+ {"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},
+ {""}
};
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++;