sandbox: Expand list of IO accessors

The setbits/clrbits/clrsetbits macros are used widely across the tree,
let's provide implementation for them in the sandbox.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/arch/sandbox/include/asm/io.h b/arch/sandbox/include/asm/io.h
index fd3c2478f7f1e77dae8aae422930f60f6572dc62..ae6883f33dfa09880f63cf5d1b39872c3319e07d 100644 (file)
--- a/arch/sandbox/include/asm/io.h
+++ b/arch/sandbox/include/asm/io.h
@@ -56,6 +56,53 @@ void outl(unsigned int value, unsigned int addr);
 void outw(unsigned int value, unsigned int addr);
 void outb(unsigned int value, unsigned int addr);
 
+#define out_arch(type,endian,a,v)      write##type(cpu_to_##endian(v),a)
+#define in_arch(type,endian,a)         endian##_to_cpu(read##type(a))
+
+#define out_le32(a,v)  out_arch(l,le32,a,v)
+#define out_le16(a,v)  out_arch(w,le16,a,v)
+
+#define in_le32(a)     in_arch(l,le32,a)
+#define in_le16(a)     in_arch(w,le16,a)
+
+#define out_be32(a,v)  out_arch(l,be32,a,v)
+#define out_be16(a,v)  out_arch(w,be16,a,v)
+
+#define in_be32(a)     in_arch(l,be32,a)
+#define in_be16(a)     in_arch(w,be16,a)
+
+#define out_8(a,v)     writeb(v,a)
+#define in_8(a)                readb(a)
+
+#define clrbits(type, addr, clear) \
+       out_##type((addr), in_##type(addr) & ~(clear))
+
+#define setbits(type, addr, set) \
+       out_##type((addr), in_##type(addr) | (set))
+
+#define clrsetbits(type, addr, clear, set) \
+       out_##type((addr), (in_##type(addr) & ~(clear)) | (set))
+
+#define clrbits_be32(addr, clear) clrbits(be32, addr, clear)
+#define setbits_be32(addr, set) setbits(be32, addr, set)
+#define clrsetbits_be32(addr, clear, set) clrsetbits(be32, addr, clear, set)
+
+#define clrbits_le32(addr, clear) clrbits(le32, addr, clear)
+#define setbits_le32(addr, set) setbits(le32, addr, set)
+#define clrsetbits_le32(addr, clear, set) clrsetbits(le32, addr, clear, set)
+
+#define clrbits_be16(addr, clear) clrbits(be16, addr, clear)
+#define setbits_be16(addr, set) setbits(be16, addr, set)
+#define clrsetbits_be16(addr, clear, set) clrsetbits(be16, addr, clear, set)
+
+#define clrbits_le16(addr, clear) clrbits(le16, addr, clear)
+#define setbits_le16(addr, set) setbits(le16, addr, set)
+#define clrsetbits_le16(addr, clear, set) clrsetbits(le16, addr, clear, set)
+
+#define clrbits_8(addr, clear) clrbits(8, addr, clear)
+#define setbits_8(addr, set) setbits(8, addr, set)
+#define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set)
+
 static inline void _insw(volatile u16 *port, void *buf, int ns)
 {
 }