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| author |   eric miao <eric.miao@marvell.com> | 2007-12-06 17:56:42 +0800 |
|---|---|---|
| committer |   Russell King <rmk+kernel@arm.linux.org.uk> | 2008-01-26 15:07:51 +0000 |
| commit | 88286450462216ca9b5c67c2175d75a5aebd5d0f (patch) | |
| tree | 34e054e52d45813dddc0430298848fdc4302eaca /include/asm-arm/arch-pxa/ssp.h | |
| parent | [ARM] pxa: add ssp devices and clk support for pxa25x/pxa27x/pxa3xx (diff) | |
| download | linux-dev-88286450462216ca9b5c67c2175d75a5aebd5d0f.tar.xz linux-dev-88286450462216ca9b5c67c2175d75a5aebd5d0f.zip | |
[ARM] pxa: define "struct ssp_device" and add ssp_request()/ssp_free()
1. define "struct ssp_device" for SSP information, which is requested
and released by function ssp_request()/ssp_free()
2. modify the ssp_init() and ssp_exit() to use the interface
Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to '')
| -rw-r--r-- | include/asm-arm/arch-pxa/ssp.h | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/include/asm-arm/arch-pxa/ssp.h b/include/asm-arm/arch-pxa/ssp.h index ea200551a75f..a012882c9ee6 100644 --- a/include/asm-arm/arch-pxa/ssp.h +++ b/include/asm-arm/arch-pxa/ssp.h @@ -13,10 +13,37 @@ * PXA255 SSP, NSSP * PXA26x SSP, NSSP, ASSP * PXA27x SSP1, SSP2, SSP3 + * PXA3xx SSP1, SSP2, SSP3, SSP4 */ -#ifndef SSP_H -#define SSP_H +#ifndef __ASM_ARCH_SSP_H +#define __ASM_ARCH_SSP_H + +#include <linux/list.h> + +enum pxa_ssp_type { + SSP_UNDEFINED = 0, + PXA25x_SSP, /* pxa 210, 250, 255, 26x */ + PXA25x_NSSP, /* pxa 255, 26x (including ASSP) */ + PXA27x_SSP, +}; + +struct ssp_device { + struct platform_device *pdev; + struct list_head node; + + struct clk *clk; + void __iomem *mmio_base; + unsigned long phys_base; + + const char *label; + int port_id; + int type; + int use_count; + int irq; + int drcmr_rx; + int drcmr_tx; +}; /* * SSP initialisation flags @@ -31,6 +58,7 @@ struct ssp_state { }; struct ssp_dev { + struct ssp_device *ssp; u32 port; u32 mode; u32 flags; @@ -50,4 +78,6 @@ 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 +struct ssp_device *ssp_request(int port, const char *label); +void ssp_free(struct ssp_device *); +#endif /* __ASM_ARCH_SSP_H */ |