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- /*
- * ssp.h
- *
- * Copyright (C) 2003 Russell King, All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This driver supports the following PXA CPU/SSP ports:-
- *
- * PXA250 SSP
- * PXA255 SSP, NSSP
- * PXA26x SSP, NSSP, ASSP
- * PXA27x SSP1, SSP2, SSP3
- */
- #ifndef SSP_H
- #define SSP_H
- /*
- * SSP initialisation flags
- */
- #define SSP_NO_IRQ 0x1 /* don't register an irq handler in SSP driver */
- struct ssp_state {
- u32 cr0;
- u32 cr1;
- u32 to;
- u32 psp;
- };
- struct ssp_dev {
- u32 port;
- u32 mode;
- u32 flags;
- u32 psp_flags;
- u32 speed;
- int irq;
- };
- int ssp_write_word(struct ssp_dev *dev, u32 data);
- int ssp_read_word(struct ssp_dev *dev, u32 *data);
- int ssp_flush(struct ssp_dev *dev);
- void ssp_enable(struct ssp_dev *dev);
- void ssp_disable(struct ssp_dev *dev);
- void ssp_save_state(struct ssp_dev *dev, struct ssp_state *ssp);
- void ssp_restore_state(struct ssp_dev *dev, struct ssp_state *ssp);
- int ssp_init(struct ssp_dev *dev, u32 port, u32 init_flags);
- int ssp_config(struct ssp_dev *dev, u32 mode, u32 flags, u32 psp_flags, u32 speed);
- void ssp_exit(struct ssp_dev *dev);
- #endif
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