1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __SMC91X_H__
3 #define __SMC91X_H__
4
5 /*
6 * These bits define which access sizes a platform can support, rather
7 * than the maximal access size. So, if your platform can do 16-bit
8 * and 32-bit accesses to the SMC91x device, but not 8-bit, set both
9 * SMC91X_USE_16BIT and SMC91X_USE_32BIT.
10 *
11 * The SMC91x driver requires at least one of SMC91X_USE_8BIT or
12 * SMC91X_USE_16BIT to be supported - just setting SMC91X_USE_32BIT is
13 * an invalid configuration.
14 */
15 #define SMC91X_USE_8BIT (1 << 0)
16 #define SMC91X_USE_16BIT (1 << 1)
17 #define SMC91X_USE_32BIT (1 << 2)
18
19 #define SMC91X_NOWAIT (1 << 3)
20
21 /* two bits for IO_SHIFT, let's hope later designs will keep this sane */
22 #define SMC91X_IO_SHIFT_0 (0 << 4)
23 #define SMC91X_IO_SHIFT_1 (1 << 4)
24 #define SMC91X_IO_SHIFT_2 (2 << 4)
25 #define SMC91X_IO_SHIFT_3 (3 << 4)
26 #define SMC91X_IO_SHIFT(x) (((x) >> 4) & 0x3)
27
28 #define SMC91X_USE_DMA (1 << 6)
29
30 #define RPC_LED_100_10 (0x00) /* LED = 100Mbps OR's with 10Mbps link detect */
31 #define RPC_LED_RES (0x01) /* LED = Reserved */
32 #define RPC_LED_10 (0x02) /* LED = 10Mbps link detect */
33 #define RPC_LED_FD (0x03) /* LED = Full Duplex Mode */
34 #define RPC_LED_TX_RX (0x04) /* LED = TX or RX packet occurred */
35 #define RPC_LED_100 (0x05) /* LED = 100Mbps link detect */
36 #define RPC_LED_TX (0x06) /* LED = TX packet occurred */
37 #define RPC_LED_RX (0x07) /* LED = RX packet occurred */
38
39 struct smc91x_platdata {
40 unsigned long flags;
41 unsigned char leda;
42 unsigned char ledb;
43 bool pxa_u16_align4; /* PXA buggy u16 writes on 4*n+2 addresses */
44 };
45
46 #endif /* __SMC91X_H__ */