|
|
@@ -32,108 +32,6 @@
|
|
|
|
|
|
#include <linux/ctype.h>
|
|
|
|
|
|
-/*
|
|
|
- * The structures defined by the hardware/uCode interface
|
|
|
- * have bit-wise operations. For each bit-field there is
|
|
|
- * a data symbol in the structure, the start bit position
|
|
|
- * and the length of the bit-field.
|
|
|
- *
|
|
|
- * iwl_get_bits and iwl_set_bits will return or set the
|
|
|
- * appropriate bits on a 32-bit value.
|
|
|
- *
|
|
|
- * IWL_GET_BITS and IWL_SET_BITS use symbol expansion to
|
|
|
- * expand out to the appropriate call to iwl_get_bits
|
|
|
- * and iwl_set_bits without having to reference all of the
|
|
|
- * numerical constants and defines provided in the hardware
|
|
|
- * definition
|
|
|
- */
|
|
|
-
|
|
|
-/**
|
|
|
- * iwl_get_bits - Extract a hardware bit-field value
|
|
|
- * @src: source hardware value (__le32)
|
|
|
- * @pos: bit-position (0-based) of first bit of value
|
|
|
- * @len: length of bit-field
|
|
|
- *
|
|
|
- * iwl_get_bits will return the bit-field in cpu endian ordering.
|
|
|
- *
|
|
|
- * NOTE: If used from IWL_GET_BITS then pos and len are compile-constants and
|
|
|
- * will collapse to minimal code by the compiler.
|
|
|
- */
|
|
|
-static inline u32 iwl_get_bits(__le32 src, u8 pos, u8 len)
|
|
|
-{
|
|
|
- u32 tmp = le32_to_cpu(src);
|
|
|
-
|
|
|
- tmp >>= pos;
|
|
|
- tmp &= (1UL << len) - 1;
|
|
|
- return tmp;
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * iwl_set_bits - Set a hardware bit-field value
|
|
|
- * @dst: Address of __le32 hardware value
|
|
|
- * @pos: bit-position (0-based) of first bit of value
|
|
|
- * @len: length of bit-field
|
|
|
- * @val: cpu endian value to encode into the bit-field
|
|
|
- *
|
|
|
- * iwl_set_bits will encode val into dst, masked to be len bits long at bit
|
|
|
- * position pos.
|
|
|
- *
|
|
|
- * NOTE: If used IWL_SET_BITS pos and len will be compile-constants and
|
|
|
- * will collapse to minimal code by the compiler.
|
|
|
- */
|
|
|
-static inline void iwl_set_bits(__le32 *dst, u8 pos, u8 len, int val)
|
|
|
-{
|
|
|
- u32 tmp = le32_to_cpu(*dst);
|
|
|
-
|
|
|
- tmp &= ~(((1UL << len) - 1) << pos);
|
|
|
- tmp |= (val & ((1UL << len) - 1)) << pos;
|
|
|
- *dst = cpu_to_le32(tmp);
|
|
|
-}
|
|
|
-
|
|
|
-static inline void iwl_set_bits16(__le16 *dst, u8 pos, u8 len, int val)
|
|
|
-{
|
|
|
- u16 tmp = le16_to_cpu(*dst);
|
|
|
-
|
|
|
- tmp &= ~((1UL << (pos + len)) - (1UL << pos));
|
|
|
- tmp |= (val & ((1UL << len) - 1)) << pos;
|
|
|
- *dst = cpu_to_le16(tmp);
|
|
|
-}
|
|
|
-
|
|
|
-/*
|
|
|
- * The bit-field definitions in iwl-xxxx-hw.h are in the form of:
|
|
|
- *
|
|
|
- * struct example {
|
|
|
- * __le32 val1;
|
|
|
- * #define IWL_name_POS 8
|
|
|
- * #define IWL_name_LEN 4
|
|
|
- * #define IWL_name_SYM val1
|
|
|
- * };
|
|
|
- *
|
|
|
- * The IWL_SET_BITS and IWL_GET_BITS macros are provided to allow the driver
|
|
|
- * to call:
|
|
|
- *
|
|
|
- * struct example bar;
|
|
|
- * u32 val = IWL_GET_BITS(bar, name);
|
|
|
- * val = val * 2;
|
|
|
- * IWL_SET_BITS(bar, name, val);
|
|
|
- *
|
|
|
- * All cpu / host ordering, masking, and shifts are performed by the macros
|
|
|
- * and iwl_{get,set}_bits.
|
|
|
- *
|
|
|
- */
|
|
|
-#define IWL_SET_BITS(s, sym, v) \
|
|
|
- iwl_set_bits(&(s).IWL_ ## sym ## _SYM, IWL_ ## sym ## _POS, \
|
|
|
- IWL_ ## sym ## _LEN, (v))
|
|
|
-
|
|
|
-#define IWL_SET_BITS16(s, sym, v) \
|
|
|
- iwl_set_bits16(&(s).IWL_ ## sym ## _SYM, IWL_ ## sym ## _POS, \
|
|
|
- IWL_ ## sym ## _LEN, (v))
|
|
|
-
|
|
|
-#define IWL_GET_BITS(s, sym) \
|
|
|
- iwl_get_bits((s).IWL_ ## sym ## _SYM, IWL_ ## sym ## _POS, \
|
|
|
- IWL_ ## sym ## _LEN)
|
|
|
-
|
|
|
-
|
|
|
#define KELVIN_TO_CELSIUS(x) ((x)-273)
|
|
|
#define CELSIUS_TO_KELVIN(x) ((x)+273)
|
|
|
#define IWL_MASK(lo, hi) ((1 << (hi)) | ((1 << (hi)) - (1 << (lo))))
|
Tomas Winkler