diff options
| -rw-r--r-- | drivers/net/smc911x.c | 17 | ||||
| -rw-r--r-- | drivers/net/smc911x.h | 81 | ||||
| -rw-r--r-- | include/linux/smc911x.h | 12 |
3 files changed, 109 insertions, 1 deletions
diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c index 2ca4db85f938..fc605f276c00 100644 --- a/drivers/net/smc911x.c +++ b/drivers/net/smc911x.c @@ -1819,6 +1819,7 @@ static int __init smc911x_probe(struct net_device *dev) int i, retval; unsigned int val, chip_id, revision; const char *version_string; + unsigned long irq_flags; DBG(SMC_DEBUG_FUNC, "%s: --> %s\n", dev->name, __FUNCTION__); @@ -1985,9 +1986,15 @@ static int __init smc911x_probe(struct net_device *dev) lp->ctl_rfduplx = 1; lp->ctl_rspeed = 100; +#ifdef SMC_DYNAMIC_BUS_CONFIG + irq_flags = lp->cfg.irq_flags; +#else + irq_flags = IRQF_SHARED | SMC_IRQ_SENSE; +#endif + /* Grab the IRQ */ retval = request_irq(dev->irq, &smc911x_interrupt, - IRQF_SHARED | SMC_IRQ_SENSE, dev->name, dev); + irq_flags, dev->name, dev); if (retval) goto err_out; @@ -2057,6 +2064,7 @@ err_out: */ static int smc911x_drv_probe(struct platform_device *pdev) { + struct smc91x_platdata *pd = pdev->dev.platform_data; struct net_device *ndev; struct resource *res; struct smc911x_local *lp; @@ -2090,6 +2098,13 @@ static int smc911x_drv_probe(struct platform_device *pdev) ndev->irq = platform_get_irq(pdev, 0); lp = netdev_priv(ndev); lp->netdev = ndev; +#ifdef SMC_DYNAMIC_BUS_CONFIG + if (!pd) { + ret = -EINVAL; + goto release_both; + } + memcpy(&lp->cfg, pd, sizeof(lp->cfg)); +#endif addr = ioremap(res->start, SMC911X_IO_EXTENT); if (!addr) { diff --git a/drivers/net/smc911x.h b/drivers/net/smc911x.h index 271a3e8cf683..266232271a72 100644 --- a/drivers/net/smc911x.h +++ b/drivers/net/smc911x.h @@ -29,6 +29,7 @@ #ifndef _SMC911X_H_ #define _SMC911X_H_ +#include <linux/smc911x.h> /* * Use the DMA feature on PXA chips */ @@ -42,6 +43,12 @@ #define SMC_USE_16BIT 0 #define SMC_USE_32BIT 1 #define SMC_IRQ_SENSE IRQF_TRIGGER_LOW +#else +/* + * Default configuration + */ + +#define SMC_DYNAMIC_BUS_CONFIG #endif /* store this information for the driver.. */ @@ -92,12 +99,84 @@ struct smc911x_local { struct device *dev; #endif void __iomem *base; +#ifdef SMC_DYNAMIC_BUS_CONFIG + struct smc911x_platdata cfg; +#endif }; /* * Define the bus width specific IO macros */ +#ifdef SMC_DYNAMIC_BUS_CONFIG +static inline unsigned int SMC_inl(struct smc911x_local *lp, int reg) +{ + void __iomem *ioaddr = lp->base + reg; + + if (lp->cfg.flags & SMC911X_USE_32BIT) + return readl(ioaddr); + + if (lp->cfg.flags & SMC911X_USE_16BIT) + return readw(ioaddr) | (readw(ioaddr + 2) << 16); + + BUG(); +} + +static inline void SMC_outl(unsigned int value, struct smc911x_local *lp, + int reg) +{ + void __iomem *ioaddr = lp->base + reg; + + if (lp->cfg.flags & SMC911X_USE_32BIT) { + writel(value, ioaddr); + return; + } + + if (lp->cfg.flags & SMC911X_USE_16BIT) { + writew(value & 0xffff, ioaddr); + writew(value >> 16, ioaddr + 2); + return; + } + + BUG(); +} + +static inline void SMC_insl(struct smc911x_local *lp, int reg, + void *addr, unsigned int count) +{ + void __iomem *ioaddr = lp->base + reg; + + if (lp->cfg.flags & SMC911X_USE_32BIT) { + readsl(ioaddr, addr, count); + return; + } + + if (lp->cfg.flags & SMC911X_USE_16BIT) { + readsw(ioaddr, addr, count * 2); + return; + } + + BUG(); +} + +static inline void SMC_outsl(struct smc911x_local *lp, int reg, + void *addr, unsigned int count) +{ + void __iomem *ioaddr = lp->base + reg; + + if (lp->cfg.flags & SMC911X_USE_32BIT) { + writesl(ioaddr, addr, count); + return; + } + + if (lp->cfg.flags & SMC911X_USE_16BIT) { + writesw(ioaddr, addr, count * 2); + return; + } + + BUG(); +} +#else #if SMC_USE_16BIT #define SMC_inl(lp, r) ((readw((lp)->base + (r)) & 0xFFFF) + (readw((lp)->base + (r) + 2) << 16)) #define SMC_outl(v, lp, r) \ @@ -115,6 +194,8 @@ struct smc911x_local { #define SMC_outsl(lp, r, p, l) writesl((int*)((lp)->base + (r)), p, l) #endif /* SMC_USE_16BIT */ +#endif /* SMC_DYNAMIC_BUS_CONFIG */ + #ifdef SMC_USE_PXA_DMA #define SMC_USE_DMA diff --git a/include/linux/smc911x.h b/include/linux/smc911x.h new file mode 100644 index 000000000000..b58f54c24183 --- /dev/null +++ b/include/linux/smc911x.h @@ -0,0 +1,12 @@ +#ifndef __SMC911X_H__ +#define __SMC911X_H__ + +#define SMC911X_USE_16BIT (1 << 0) +#define SMC911X_USE_32BIT (1 << 1) + +struct smc911x_platdata { + unsigned long flags; + unsigned long irq_flags; /* IRQF_... */ +}; + +#endif /* __SMC911X_H__ */ |