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authoreric miao <eric.miao@marvell.com>2007-12-06 17:56:42 +0800
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-01-26 15:07:51 +0000
commit88286450462216ca9b5c67c2175d75a5aebd5d0f (patch)
tree34e054e52d45813dddc0430298848fdc4302eaca /include/asm-arm/arch-pxa
parentd8e0db1111b51558456466f66c9115d71b68e8b9 (diff)
[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 'include/asm-arm/arch-pxa')
-rw-r--r--include/asm-arm/arch-pxa/ssp.h36
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 ea200551a75..a012882c9ee 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 */