cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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pxa2xx_spi.h (1144B)

      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * Copyright (C) 2005 Stephen Street / StreetFire Sound Labs
      4 */
      5#ifndef __LINUX_SPI_PXA2XX_SPI_H
      6#define __LINUX_SPI_PXA2XX_SPI_H
      7
      8#include <linux/types.h>
      9
     10#include <linux/pxa2xx_ssp.h>
     11
     12struct dma_chan;
     13
     14/*
     15 * The platform data for SSP controller devices
     16 * (resides in device.platform_data).
     17 */
     18struct pxa2xx_spi_controller {
     19	u16 num_chipselect;
     20	u8 enable_dma;
     21	u8 dma_burst_size;
     22	bool is_slave;
     23
     24	/* DMA engine specific config */
     25	bool (*dma_filter)(struct dma_chan *chan, void *param);
     26	void *tx_param;
     27	void *rx_param;
     28
     29	/* For non-PXA arches */
     30	struct ssp_device ssp;
     31};
     32
     33/*
     34 * The controller specific data for SPI slave devices
     35 * (resides in spi_board_info.controller_data),
     36 * copied to spi_device.platform_data ... mostly for
     37 * DMA tuning.
     38 */
     39struct pxa2xx_spi_chip {
     40	u8 tx_threshold;
     41	u8 tx_hi_threshold;
     42	u8 rx_threshold;
     43	u8 dma_burst_size;
     44	u32 timeout;
     45};
     46
     47#if defined(CONFIG_ARCH_PXA) || defined(CONFIG_ARCH_MMP)
     48
     49#include <linux/clk.h>
     50
     51extern void pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_controller *info);
     52
     53#endif
     54
     55#endif	/* __LINUX_SPI_PXA2XX_SPI_H */