/*
* Copyright (C) 2005 Stephen Street / StreetFire Sound Labs
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __linux_pxa2xx_spi_h
#define __linux_pxa2xx_spi_h

#include <linux/pxa2xx_ssp.h>

#define PXA2XX_CS_ASSERT (0x01)
#define PXA2XX_CS_DEASSERT (0x02)

/* device.platform_data for SSP controller devices */
struct pxa2xx_spi_master {
u32 clock_enable;
u16 num_chipselect;
u8 enable_dma;

/* DMA engine specific config */
int rx_chan_id;
int tx_chan_id;
int rx_slave_id;
int tx_slave_id;

/* For non-PXA arches */
struct ssp_device ssp;
};

/* spi_board_info.controller_data for SPI slave devices,
* copied to spi_device.platform_data ... mostly for dma tuning
*/
struct pxa2xx_spi_chip {
u8 tx_threshold;
u8 tx_hi_threshold;
u8 rx_threshold;
u8 dma_burst_size;
u32 timeout;
u8 enable_loopback;
int gpio_cs;
void (*cs_control)(u32 command);
};

#if defined(CONFIG_ARCH_PXA) || defined(CONFIG_ARCH_MMP)

#include <linux/clk.h>
#include <mach/dma.h>

extern void pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_master *info);

#endif
#endif