| /* |
| * 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 |
