| /* | |
| * 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 |