1.1 --- a/pkg/devices/lib/spi/include/spi.h	Mon Nov 13 01:20:09 2023 +0100
     1.2 +++ b/pkg/devices/lib/spi/include/spi.h	Tue Nov 14 00:02:42 2023 +0100
     1.3 @@ -21,8 +21,11 @@
     1.4  
     1.5  #pragma once
     1.6  
     1.7 +
     1.8 +
     1.9  #ifdef __cplusplus
    1.10  
    1.11 +#include <l4/re/c/dma_space.h>
    1.12  #include <stdint.h>
    1.13  
    1.14  /* SPI channel abstractions. */
    1.15 @@ -33,10 +36,17 @@
    1.16    virtual uint32_t send(uint32_t bytes, const uint8_t data[]) = 0;
    1.17  
    1.18    virtual uint32_t send_dc(uint32_t bytes, const uint8_t data[],
    1.19 -                           const int dc[]) = 0;
    1.20 +                           const int dc[], uint8_t char_size,
    1.21 +                           bool big_endian) = 0;
    1.22  
    1.23    virtual uint32_t send_units(uint32_t bytes, const uint8_t data[],
    1.24 -                              uint8_t unit_size, uint8_t char_size) = 0;
    1.25 +                              uint8_t unit_size, uint8_t char_size,
    1.26 +                              bool big_endian) = 0;
    1.27 +
    1.28 +  virtual uint32_t transfer(l4_addr_t vaddr, l4re_dma_space_dma_addr_t paddr,
    1.29 +                            uint32_t count, uint8_t unit_size, uint8_t char_size,
    1.30 +                            l4_addr_t desc_vaddr = 0,
    1.31 +                            l4re_dma_space_dma_addr_t desc_paddr = 0) = 0;
    1.32  };
    1.33  
    1.34  class Spi_control_base