#ifdef __KERNEL__
#ifndef __ASSEMBLY__
-typedef struct {} dcr_host_t;
+#include <linux/spinlock.h>
+
+typedef struct {
+ unsigned int base;
+} dcr_host_t;
#define DCR_MAP_OK(host) (1)
-#define dcr_map(dev, dcr_n, dcr_c) ((dcr_host_t){})
-#define dcr_unmap(host, dcr_n, dcr_c) do {} while (0)
-#define dcr_read(host, dcr_n) mfdcr(dcr_n)
-#define dcr_write(host, dcr_n, value) mtdcr(dcr_n, value)
+#define dcr_map(dev, dcr_n, dcr_c) ((dcr_host_t){ .base = (dcr_n) })
+#define dcr_unmap(host, dcr_c) do {} while (0)
+#define dcr_read(host, dcr_n) mfdcr(dcr_n + host.base)
+#define dcr_write(host, dcr_n, value) mtdcr(dcr_n + host.base, value)
/* Device Control Registers */
void __mtdcr(int reg, unsigned int val);
} while (0)
/* R/W of indirect DCRs make use of standard naming conventions for DCRs */
-#define mfdcri(base, reg) \
-({ \
- mtdcr(base ## _CFGADDR, base ## _ ## reg); \
- mfdcr(base ## _CFGDATA); \
-})
-
-#define mtdcri(base, reg, data) \
-do { \
- mtdcr(base ## _CFGADDR, base ## _ ## reg); \
- mtdcr(base ## _CFGDATA, data); \
-} while (0)
+extern spinlock_t dcr_ind_lock;
+
+static inline unsigned __mfdcri(int base_addr, int base_data, int reg)
+{
+ unsigned long flags;
+ unsigned int val;
+
+ spin_lock_irqsave(&dcr_ind_lock, flags);
+ __mtdcr(base_addr, reg);
+ val = __mfdcr(base_data);
+ spin_unlock_irqrestore(&dcr_ind_lock, flags);
+ return val;
+}
+
+static inline void __mtdcri(int base_addr, int base_data, int reg,
+ unsigned val)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&dcr_ind_lock, flags);
+ __mtdcr(base_addr, reg);
+ __mtdcr(base_data, val);
+ spin_unlock_irqrestore(&dcr_ind_lock, flags);
+}
+
+static inline void __dcri_clrset(int base_addr, int base_data, int reg,
+ unsigned clr, unsigned set)
+{
+ unsigned long flags;
+ unsigned int val;
+
+ spin_lock_irqsave(&dcr_ind_lock, flags);
+ __mtdcr(base_addr, reg);
+ val = (__mfdcr(base_data) & ~clr) | set;
+ __mtdcr(base_data, val);
+ spin_unlock_irqrestore(&dcr_ind_lock, flags);
+}
+
+#define mfdcri(base, reg) __mfdcri(DCRN_ ## base ## _CONFIG_ADDR, \
+ DCRN_ ## base ## _CONFIG_DATA, \
+ reg)
+
+#define mtdcri(base, reg, data) __mtdcri(DCRN_ ## base ## _CONFIG_ADDR, \
+ DCRN_ ## base ## _CONFIG_DATA, \
+ reg, data)
+
+#define dcri_clrset(base, reg, clr, set) __dcri_clrset(DCRN_ ## base ## _CONFIG_ADDR, \
+ DCRN_ ## base ## _CONFIG_DATA, \
+ reg, clr, set)
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_DCR_NATIVE_H */
-
-