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Diffstat (limited to 'include/linux/smc91x.h')
| -rw-r--r-- | include/linux/smc91x.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/linux/smc91x.h b/include/linux/smc91x.h new file mode 100644 index 000000000..f3b195fa7 --- /dev/null +++ b/include/linux/smc91x.h @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __SMC91X_H__ +#define __SMC91X_H__ + +/* + * These bits define which access sizes a platform can support, rather + * than the maximal access size. So, if your platform can do 16-bit + * and 32-bit accesses to the SMC91x device, but not 8-bit, set both + * SMC91X_USE_16BIT and SMC91X_USE_32BIT. + * + * The SMC91x driver requires at least one of SMC91X_USE_8BIT or + * SMC91X_USE_16BIT to be supported - just setting SMC91X_USE_32BIT is + * an invalid configuration. + */ +#define SMC91X_USE_8BIT (1 << 0) +#define SMC91X_USE_16BIT (1 << 1) +#define SMC91X_USE_32BIT (1 << 2) + +#define SMC91X_NOWAIT (1 << 3) + +/* two bits for IO_SHIFT, let's hope later designs will keep this sane */ +#define SMC91X_IO_SHIFT_0 (0 << 4) +#define SMC91X_IO_SHIFT_1 (1 << 4) +#define SMC91X_IO_SHIFT_2 (2 << 4) +#define SMC91X_IO_SHIFT_3 (3 << 4) +#define SMC91X_IO_SHIFT(x) (((x) >> 4) & 0x3) + +#define SMC91X_USE_DMA (1 << 6) + +#define RPC_LED_100_10 (0x00) /* LED = 100Mbps OR's with 10Mbps link detect */ +#define RPC_LED_RES (0x01) /* LED = Reserved */ +#define RPC_LED_10 (0x02) /* LED = 10Mbps link detect */ +#define RPC_LED_FD (0x03) /* LED = Full Duplex Mode */ +#define RPC_LED_TX_RX (0x04) /* LED = TX or RX packet occurred */ +#define RPC_LED_100 (0x05) /* LED = 100Mbps link detect */ +#define RPC_LED_TX (0x06) /* LED = TX packet occurred */ +#define RPC_LED_RX (0x07) /* LED = RX packet occurred */ + +struct smc91x_platdata { + unsigned long flags; + unsigned char leda; + unsigned char ledb; + bool pxa_u16_align4; /* PXA buggy u16 writes on 4*n+2 addresses */ +}; + +#endif /* __SMC91X_H__ */ |