diff options
Diffstat (limited to 'include/asm-arm/arch-pxa/ssp.h')
| -rw-r--r-- | include/asm-arm/arch-pxa/ssp.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/include/asm-arm/arch-pxa/ssp.h b/include/asm-arm/arch-pxa/ssp.h new file mode 100644 index 000000000000..6ec67b018c09 --- /dev/null +++ b/include/asm-arm/arch-pxa/ssp.h @@ -0,0 +1,47 @@ +/* + * 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 + +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 ssp_write_word(struct ssp_dev *dev, u32 data); +int ssp_read_word(struct ssp_dev *dev); +void 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); +int ssp_config(struct ssp_dev *dev, u32 mode, u32 flags, u32 psp_flags, u32 speed); +void ssp_exit(struct ssp_dev *dev); + +#endif |