drivers/staging/wfx/bus.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Common bus abstraction layer.
   4  *
   5  * Copyright (c) 2017-2020, Silicon Laboratories, Inc.
   6  * Copyright (c) 2010, ST-Ericsson
   7  */
   8 #ifndef WFX_BUS_H
   9 #define WFX_BUS_H
  10
  11 #include <linux/mmc/sdio_func.h>
  12 #include <linux/spi/spi.h>
  13
  14 #define WFX_REG_CONFIG        0x0
  15 #define WFX_REG_CONTROL       0x1
  16 #define WFX_REG_IN_OUT_QUEUE  0x2
  17 #define WFX_REG_AHB_DPORT     0x3
  18 #define WFX_REG_BASE_ADDR     0x4
  19 #define WFX_REG_SRAM_DPORT    0x5
  20 #define WFX_REG_SET_GEN_R_W   0x6
  21 #define WFX_REG_FRAME_OUT     0x7
  22
  23 struct hwbus_ops {
  24         int (*copy_from_io)(void *bus_priv, unsigned int addr,
  25                             void *dst, size_t count);
  26         int (*copy_to_io)(void *bus_priv, unsigned int addr,
  27                           const void *src, size_t count);
  28         int (*irq_subscribe)(void *bus_priv);
  29         int (*irq_unsubscribe)(void *bus_priv);
  30         void (*lock)(void *bus_priv);
  31         void (*unlock)(void *bus_priv);
  32         size_t (*align_size)(void *bus_priv, size_t size);
  33 };
  34
  35 extern struct sdio_driver wfx_sdio_driver;
  36 extern struct spi_driver wfx_spi_driver;
  37
  38 #endif