include/linux/smc91x.h

   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__ */