root/include/linux/smc91x.h
/* 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__ */