diff options
| author | Magnus Damm <magnus.damm@gmail.com> | 2008-06-10 03:33:55 +0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2008-06-12 05:58:11 +0400 |
| commit | 12c03f59c3909159010b87a926f5626d4380d441 (patch) | |
| tree | 3b1b210b33f55697833ef44dec10b8d73912a99b /drivers/net/smc911x.h | |
| parent | 699559f84bee8b630c1d16fe1bc8e9667d170d65 (diff) | |
| download | linux-12c03f59c3909159010b87a926f5626d4380d441.tar.xz | |
smc911x: introduce platform data flags
This patch adds a new header file for platform data information
together with code that adds run time bus width and irq flag support.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/net/smc911x.h')
| -rw-r--r-- | drivers/net/smc911x.h | 81 |
1 files changed, 81 insertions, 0 deletions
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 |