diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-08 14:38:42 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-08 14:38:42 -0400 |
commit | 49b75b87ce2dfbd99e59a50c3681b154d07e3a22 (patch) | |
tree | f14e1da19a13d87a512f9043c2f37fd75dd122b3 /arch/arm/mach-pxa/include/mach/ssp.h | |
parent | f1c7f79b6ab4f7ada002a0fae47f462ede6b6857 (diff) | |
parent | 097d9eb537ff4d88b74c3fe67392e27c478ca3c5 (diff) |
Merge branch 'for-linus-merged' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus-merged' of master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 5177/1: arm/mach-sa1100/Makefile: remove CONFIG_SA1100_USB
[ARM] 5166/1: magician: add MAINTAINERS entry
[ARM] fix pnx4008 build errors
[ARM] Fix SMP booting with non-zero PHYS_OFFSET
[ARM] 5185/1: Fix spi num_chipselect for lubbock
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
[ARM] Add support for arch/arm/mach-*/include and arch/arm/plat-*/include
[ARM] Remove asm/hardware.h, use asm/arch/hardware.h instead
[ARM] Eliminate useless includes of asm/mach-types.h
[ARM] Fix circular include dependency with IRQ headers
avr32: Use <mach/foo.h> instead of <asm/arch/foo.h>
avr32: Introduce arch/avr32/mach-*/include/mach
avr32: Move include/asm-avr32 to arch/avr32/include/asm
[ARM] sa1100_wdt: use reset_status to remember watchdog reset status
[ARM] pxa: introduce reset_status and clear_reset_status for driver's usage
[ARM] pxa: introduce reset.h for reset specific header information
Diffstat (limited to 'arch/arm/mach-pxa/include/mach/ssp.h')
-rw-r--r-- | arch/arm/mach-pxa/include/mach/ssp.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/include/mach/ssp.h b/arch/arm/mach-pxa/include/mach/ssp.h new file mode 100644 index 000000000000..a012882c9ee6 --- /dev/null +++ b/arch/arm/mach-pxa/include/mach/ssp.h | |||
@@ -0,0 +1,83 @@ | |||
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 | * PXA3xx SSP1, SSP2, SSP3, SSP4 | ||
17 | */ | ||
18 | |||
19 | #ifndef __ASM_ARCH_SSP_H | ||
20 | #define __ASM_ARCH_SSP_H | ||
21 | |||
22 | #include <linux/list.h> | ||
23 | |||
24 | enum pxa_ssp_type { | ||
25 | SSP_UNDEFINED = 0, | ||
26 | PXA25x_SSP, /* pxa 210, 250, 255, 26x */ | ||
27 | PXA25x_NSSP, /* pxa 255, 26x (including ASSP) */ | ||
28 | PXA27x_SSP, | ||
29 | }; | ||
30 | |||
31 | struct ssp_device { | ||
32 | struct platform_device *pdev; | ||
33 | struct list_head node; | ||
34 | |||
35 | struct clk *clk; | ||
36 | void __iomem *mmio_base; | ||
37 | unsigned long phys_base; | ||
38 | |||
39 | const char *label; | ||
40 | int port_id; | ||
41 | int type; | ||
42 | int use_count; | ||
43 | int irq; | ||
44 | int drcmr_rx; | ||
45 | int drcmr_tx; | ||
46 | }; | ||
47 | |||
48 | /* | ||
49 | * SSP initialisation flags | ||
50 | */ | ||
51 | #define SSP_NO_IRQ 0x1 /* don't register an irq handler in SSP driver */ | ||
52 | |||
53 | struct ssp_state { | ||
54 | u32 cr0; | ||
55 | u32 cr1; | ||
56 | u32 to; | ||
57 | u32 psp; | ||
58 | }; | ||
59 | |||
60 | struct ssp_dev { | ||
61 | struct ssp_device *ssp; | ||
62 | u32 port; | ||
63 | u32 mode; | ||
64 | u32 flags; | ||
65 | u32 psp_flags; | ||
66 | u32 speed; | ||
67 | int irq; | ||
68 | }; | ||
69 | |||
70 | int ssp_write_word(struct ssp_dev *dev, u32 data); | ||
71 | int ssp_read_word(struct ssp_dev *dev, u32 *data); | ||
72 | int ssp_flush(struct ssp_dev *dev); | ||
73 | void ssp_enable(struct ssp_dev *dev); | ||
74 | void ssp_disable(struct ssp_dev *dev); | ||
75 | void ssp_save_state(struct ssp_dev *dev, struct ssp_state *ssp); | ||
76 | void ssp_restore_state(struct ssp_dev *dev, struct ssp_state *ssp); | ||
77 | int ssp_init(struct ssp_dev *dev, u32 port, u32 init_flags); | ||
78 | int ssp_config(struct ssp_dev *dev, u32 mode, u32 flags, u32 psp_flags, u32 speed); | ||
79 | void ssp_exit(struct ssp_dev *dev); | ||
80 | |||
81 | struct ssp_device *ssp_request(int port, const char *label); | ||
82 | void ssp_free(struct ssp_device *); | ||
83 | #endif /* __ASM_ARCH_SSP_H */ | ||