projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * ssp.h | |
| 3 | * | |
| 4 | * Copyright (C) 2003 Russell King, All Rights Reserved. | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License version 2 as | |
| 8 | * published by the Free Software Foundation. | |
| 9 | * | |
| 10 | * This driver supports the following PXA CPU/SSP ports:- | |
| 11 | * | |
| 12 | * PXA250 SSP | |
| 13 | * PXA255 SSP, NSSP | |
| 14 | * PXA26x SSP, NSSP, ASSP | |
| 15 | * PXA27x SSP1, SSP2, SSP3 | |
| 16 | */ | |
| 17 | ||
| 18 | #ifndef SSP_H | |
| 19 | #define SSP_H | |
| 20 | ||
| b216c018 LG |
21 | /* |
| 22 | * SSP initialisation flags | |
| 23 | */ | |
| 24 | #define SSP_NO_IRQ 0x1 /* don't register an irq handler in SSP driver */ | |
| 25 | ||
| 1da177e4 LT |
26 | struct ssp_state { |
| 27 | u32 cr0; | |
| 28 | u32 cr1; | |
| 29 | u32 to; | |
| 30 | u32 psp; | |
| 31 | }; | |
| 32 | ||
| 33 | struct ssp_dev { | |
| 34 | u32 port; | |
| 35 | u32 mode; | |
| 36 | u32 flags; | |
| 37 | u32 psp_flags; | |
| 38 | u32 speed; | |
| b216c018 | 39 | int irq; |
| 1da177e4 LT |
40 | }; |
| 41 | ||
| 42 | int ssp_write_word(struct ssp_dev *dev, u32 data); | |
| 8f1bf874 PS |
43 | int ssp_read_word(struct ssp_dev *dev, u32 *data); |
| 44 | int ssp_flush(struct ssp_dev *dev); | |
| 1da177e4 LT |
45 | void ssp_enable(struct ssp_dev *dev); |
| 46 | void ssp_disable(struct ssp_dev *dev); | |
| 47 | void ssp_save_state(struct ssp_dev *dev, struct ssp_state *ssp); | |
| 48 | void ssp_restore_state(struct ssp_dev *dev, struct ssp_state *ssp); | |
| b216c018 | 49 | int ssp_init(struct ssp_dev *dev, u32 port, u32 init_flags); |
| 1da177e4 LT |
50 | int ssp_config(struct ssp_dev *dev, u32 mode, u32 flags, u32 psp_flags, u32 speed); |
| 51 | void ssp_exit(struct ssp_dev *dev); | |
| 52 | ||
| 53 | #endif |