You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
313 lines
12 KiB
Diff
313 lines
12 KiB
Diff
Index: madwifi-dfs-r2996/ath_hal/ah_os.h
|
|
===================================================================
|
|
--- madwifi-dfs-r2996.orig/ath_hal/ah_os.h 2007-12-01 19:36:04.943396719 +0100
|
|
+++ madwifi-dfs-r2996/ath_hal/ah_os.h 2007-12-01 19:37:06.182886560 +0100
|
|
@@ -33,7 +33,7 @@
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
|
|
* THE POSSIBILITY OF SUCH DAMAGES.
|
|
*
|
|
- * $Id: ah_os.h 2727 2007-10-05 17:42:53Z mtaylor $
|
|
+ * $Id: ah_os.h 2933 2007-11-23 09:38:18Z proski $
|
|
*/
|
|
#ifndef _ATH_AH_OS_H_
|
|
#define _ATH_AH_OS_H_
|
|
@@ -42,16 +42,16 @@
|
|
* Atheros Hardware Access Layer (HAL) OS Dependent Definitions.
|
|
*/
|
|
|
|
-/*
|
|
-MadWifi safe register operations:
|
|
+/*
|
|
+ MadWifi safe register operations:
|
|
|
|
- When hacking on registers directly we need to use the macros
|
|
- below, to avoid concurrent PCI access and abort mode errors.
|
|
+ When hacking on registers directly, we need to use the macros below to
|
|
+ avoid concurrent PCI access and abort mode errors.
|
|
|
|
* ath_reg_read
|
|
* ATH_REG_WRITE
|
|
|
|
-HAL-ONLY register operations:
|
|
+ HAL-ONLY register operations:
|
|
|
|
* _OS_REG_READ
|
|
* _OS_REG_WRITE
|
|
@@ -60,26 +60,27 @@
|
|
* ath_hal_reg_read.
|
|
* ath_hal_reg_write
|
|
|
|
- When compiled in HAL:
|
|
- * We do not require locking overhead and function call unless user is debugging.
|
|
- * All HAL operations are executed in the context of a MadWifi wrapper call which holds
|
|
- the HAL lock.
|
|
- * Normally HAL is build with the non-modified version of this file so it doesnt have our
|
|
- funny macros anyway.
|
|
-
|
|
- When compiled in MadWifi:
|
|
- * The HAL wrapper API takes the HAL lock before invoking the HAL.
|
|
- * HAL access is already protected, and MadWifi must NOT access the functions listed above.
|
|
-
|
|
+ When compiled in HAL:
|
|
+ * We don't require locking overhead and function call except for
|
|
+ debugging.
|
|
+ * All HAL operations are executed in the context of a MadWifi wrapper
|
|
+ call that holds the HAL lock.
|
|
+ * Normally HAL is built with the non-modified version of this file, so
|
|
+ it doesn't have our funny macros anyway.
|
|
+
|
|
+ When compiled in MadWifi:
|
|
+ * The HAL wrapper API takes the HAL lock before invoking the HAL.
|
|
+ * HAL access is already protected, and MadWifi must NOT access the
|
|
+ functions listed above.
|
|
*/
|
|
|
|
/*
|
|
- * When building the HAL proper we use no GPL-contaminated include
|
|
- * files and must define these types ourself. Beware of these being
|
|
- * mismatched against the contents of <linux/types.h>
|
|
+ * When building the HAL proper, we use no GPL-licensed include files and must
|
|
+ * define Linux types ourselves. Please note that the definitions below don't
|
|
+ * exactly match those in <linux/types.h>
|
|
*/
|
|
#ifndef _LINUX_TYPES_H
|
|
-/* NB: arm defaults to unsigned so be explicit */
|
|
+/* NB: ARM defaults to unsigned, so be explicit */
|
|
typedef signed char int8_t;
|
|
typedef short int16_t;
|
|
typedef int int32_t;
|
|
@@ -93,36 +94,33 @@
|
|
typedef unsigned int size_t;
|
|
typedef unsigned int u_int;
|
|
typedef void* va_list;
|
|
-#endif
|
|
+#endif /* !_LINUX_TYPES_H */
|
|
|
|
/*
|
|
* Linux/BSD gcc compatibility shims.
|
|
*/
|
|
-#define __printflike(_a,_b) \
|
|
- __attribute__ ((__format__ (__printf__, _a, _b)))
|
|
-#define __va_list va_list
|
|
+#define __va_list va_list
|
|
#define OS_INLINE __inline
|
|
|
|
extern int ath_hal_dma_beacon_response_time;
|
|
extern int ath_hal_sw_beacon_response_time;
|
|
extern int ath_hal_additional_swba_backoff;
|
|
|
|
-void __ahdecl ath_hal_vprintf(struct ath_hal *ah, const char* fmt,
|
|
- va_list ap);
|
|
-void __ahdecl ath_hal_printf(struct ath_hal *ah, const char* fmt, ...);
|
|
-const char* __ahdecl ath_hal_ether_sprintf(const u_int8_t *mac);
|
|
+void __ahdecl ath_hal_vprintf(struct ath_hal *ah, const char *fmt, va_list ap);
|
|
+void __ahdecl ath_hal_printf(struct ath_hal *ah, const char *fmt, ...);
|
|
+const char *__ahdecl ath_hal_ether_sprintf(const u_int8_t *mac);
|
|
int __ahdecl ath_hal_memcmp(const void *a, const void *b, size_t n);
|
|
-void * __ahdecl ath_hal_malloc(size_t size);
|
|
-void __ahdecl ath_hal_free(void* p);
|
|
+void *__ahdecl ath_hal_malloc(size_t size);
|
|
+void __ahdecl ath_hal_free(void *p);
|
|
|
|
/* Delay n microseconds. */
|
|
-extern void __ahdecl ath_hal_delay(int);
|
|
+extern void __ahdecl ath_hal_delay(int);
|
|
#define OS_DELAY(_n) ath_hal_delay(_n)
|
|
|
|
#define OS_MEMZERO(_a, _n) ath_hal_memzero((_a), (_n))
|
|
extern void __ahdecl ath_hal_memzero(void *, size_t);
|
|
#define OS_MEMCPY(_d, _s, _n) ath_hal_memcpy(_d,_s,_n)
|
|
-extern void * __ahdecl ath_hal_memcpy(void *, const void *, size_t);
|
|
+extern void *__ahdecl ath_hal_memcpy(void *, const void *, size_t);
|
|
|
|
#ifndef abs
|
|
#define abs(_a) __builtin_abs(_a)
|
|
@@ -133,7 +131,7 @@
|
|
#endif
|
|
|
|
struct ath_hal;
|
|
-extern u_int32_t __ahdecl ath_hal_getuptime(struct ath_hal *);
|
|
+extern u_int32_t __ahdecl ath_hal_getuptime(struct ath_hal *);
|
|
#define OS_GETUPTIME(_ah) ath_hal_getuptime(_ah)
|
|
|
|
/* Byte order/swapping support. */
|
|
@@ -142,9 +140,8 @@
|
|
|
|
#ifndef AH_BYTE_ORDER
|
|
/*
|
|
- * When the .inc file is not available (e.g. when building
|
|
- * in a kernel source tree); look for some other way to
|
|
- * setup the host byte order.
|
|
+ * When the .inc file is not available (e.g. when building in the kernel source
|
|
+ * tree), look for some other way to determine the host byte order.
|
|
*/
|
|
#ifdef __LITTLE_ENDIAN
|
|
#define AH_BYTE_ORDER AH_LITTLE_ENDIAN
|
|
@@ -155,93 +152,98 @@
|
|
#ifndef AH_BYTE_ORDER
|
|
#error "Do not know host byte order"
|
|
#endif
|
|
-#endif /* AH_BYTE_ORDER */
|
|
+#endif /* AH_BYTE_ORDER */
|
|
|
|
/*
|
|
- * Note that register accesses are done using target-specific
|
|
- * functions when debugging is enabled (AH_DEBUG) or we are
|
|
- * explicitly configured this way.
|
|
- *
|
|
- * The hardware registers are native little-endian byte order.
|
|
- * Big-endian hosts are handled by enabling hardware byte-swap
|
|
- * of register reads and writes at reset. But the PCI clock
|
|
- * domain registers are not byte swapped! Thus, on big-endian
|
|
- * platforms we have to byte-swap thoese registers specifically.
|
|
- * Most of this code is collapsed at compile time because the
|
|
- * register values are constants.
|
|
- *
|
|
- * Presumably when talking about hardware byte-swapping, the above
|
|
- * text is referring to the Atheros chipset, as the registers
|
|
- * referred to are in the PCI memory address space, and these are
|
|
- * never byte-swapped by PCI chipsets or bridges, but always
|
|
- * written directly (i.e. the format defined by the manufacturer).
|
|
+ * Some big-endian architectures don't set CONFIG_GENERIC_IOMAP, but fail to
|
|
+ * implement iowrite32be and ioread32be. Provide compatibility macros when
|
|
+ * it's needed.
|
|
+ *
|
|
+ * As of Linux 2.6.24, only MIPS, PARISC and PowerPC implement iowrite32be and
|
|
+ * ioread32be as functions.
|
|
+ *
|
|
+ * The downside or the replacement macros it that we may be byte-swapping data
|
|
+ * for the second time, so the native implementations should be preferred.
|
|
*/
|
|
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,12)) && \
|
|
+ !defined(CONFIG_GENERIC_IOMAP) && (AH_BYTE_ORDER == AH_BIG_ENDIAN) && \
|
|
+ !defined(__mips__) && !defined(__hppa__) && !defined(__powerpc__)
|
|
+# ifndef iowrite32be
|
|
+# define iowrite32be(_val, _addr) iowrite32(swab32((_val)), (_addr))
|
|
+# endif
|
|
+# ifndef ioread32be
|
|
+# define ioread32be(_addr) swab32(ioread32((_addr)))
|
|
+# endif
|
|
+#endif
|
|
+
|
|
+/*
|
|
+ * The register accesses are done using target-specific functions when
|
|
+ * debugging is enabled (AH_DEBUG) or it's explicitly requested for the target.
|
|
+ *
|
|
+ * The hardware registers use little-endian byte order natively. Big-endian
|
|
+ * systems are configured by HAL to enable hardware byte-swap of register reads
|
|
+ * and writes at reset. This avoid the need to byte-swap the data in software.
|
|
+ * However, the registers in a certain area from 0x4000 to 0x4fff (PCI clock
|
|
+ * domain registers) are not byte swapped!
|
|
+ *
|
|
+ * Since Linux I/O primitives default to little-endian operations, we only
|
|
+ * need to suppress byte-swapping on big-endian systems outside the area used
|
|
+ * by the PCI clock domain registers.
|
|
+ */
|
|
+#if (AH_BYTE_ORDER == AH_BIG_ENDIAN)
|
|
+#define is_reg_le(__reg) ((0x4000 <= (__reg) && (__reg) < 0x5000))
|
|
+#else
|
|
+#define is_reg_le(__reg) 1
|
|
+#endif
|
|
+
|
|
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,12)
|
|
-# if (AH_BYTE_ORDER == AH_BIG_ENDIAN)
|
|
#define _OS_REG_WRITE(_ah, _reg, _val) do { \
|
|
- (0x4000 <= (_reg) && (_reg) < 0x5000) ? \
|
|
+ is_reg_le(_reg) ? \
|
|
iowrite32((_val), (_ah)->ah_sh + (_reg)) : \
|
|
iowrite32be((_val), (_ah)->ah_sh + (_reg)); \
|
|
} while (0)
|
|
#define _OS_REG_READ(_ah, _reg) \
|
|
- ((0x4000 <= (_reg) && (_reg) < 0x5000) ? \
|
|
+ (is_reg_le(_reg) ? \
|
|
ioread32((_ah)->ah_sh + (_reg)) : \
|
|
- ioread32be((_ah)->ah_sh + (_reg)));
|
|
-# else /* AH_LITTLE_ENDIAN */
|
|
-#define _OS_REG_WRITE(_ah, _reg, _val) do { \
|
|
- iowrite32(_val, (_ah)->ah_sh + (_reg)); \
|
|
- } while (0)
|
|
-#define _OS_REG_READ(_ah, _reg) \
|
|
- ioread32((_ah)->ah_sh + (_reg))
|
|
-
|
|
-# endif /* AH_BYTE_ORDER */
|
|
+ ioread32be((_ah)->ah_sh + (_reg)))
|
|
#else
|
|
-# if (AH_BYTE_ORDER == AH_BIG_ENDIAN)
|
|
#define _OS_REG_WRITE(_ah, _reg, _val) do { \
|
|
- writel((0x4000 <= (_reg) && (_reg) < 0x5000) ? \
|
|
+ writel(is_reg_le(_reg) ? \
|
|
(_val) : cpu_to_le32(_val), \
|
|
(_ah)->ah_sh + (_reg)); \
|
|
} while (0)
|
|
#define _OS_REG_READ(_ah, _reg) \
|
|
- ((0x4000 <= (_reg) && (_reg) < 0x5000) ? \
|
|
+ (is_reg_le(_reg) ? \
|
|
readl((_ah)->ah_sh + (_reg)) : \
|
|
cpu_to_le32(readl((_ah)->ah_sh + (_reg))))
|
|
-# else /* AH_LITTLE_ENDIAN */
|
|
-#define _OS_REG_WRITE(_ah, _reg, _val) do { \
|
|
- writel(_val, (_ah)->ah_sh + (_reg)); \
|
|
- } while (0)
|
|
-#define _OS_REG_READ(_ah, _reg) \
|
|
- readl((_ah)->ah_sh + (_reg))
|
|
-# endif /* AH_BYTE_ORDER */
|
|
-#endif /* KERNEL_VERSON(2,6,12) */
|
|
-
|
|
-/*
|
|
-The functions in this section are not intended to be invoked by MadWifi driver
|
|
-code, but by the HAL. They are NOT safe for direct invocation when the
|
|
-sc->sc_hal_lock is not held. Use ath_reg_read and ATH_REG_WRITE instead!
|
|
+#endif /* KERNEL_VERSION(2,6,12) */
|
|
+
|
|
+/*
|
|
+ * The functions in this section are not intended to be invoked by MadWifi
|
|
+ * driver code, but by the HAL. They are NOT safe to call directly when the
|
|
+ * sc->sc_hal_lock is not held. Use ath_reg_read and ATH_REG_WRITE instead!
|
|
*/
|
|
#if defined(AH_DEBUG) || defined(AH_REGOPS_FUNC) || defined(AH_DEBUG_ALQ)
|
|
#define OS_REG_WRITE(_ah, _reg, _val) ath_hal_reg_write(_ah, _reg, _val)
|
|
#define OS_REG_READ(_ah, _reg) ath_hal_reg_read(_ah, _reg)
|
|
-extern void __ahdecl ath_hal_reg_write(struct ath_hal *ah, u_int reg, u_int32_t val);
|
|
-extern u_int32_t __ahdecl ath_hal_reg_read(struct ath_hal *ah, u_int reg);
|
|
+extern void __ahdecl ath_hal_reg_write(struct ath_hal *ah, u_int reg,
|
|
+ u_int32_t val);
|
|
+extern u_int32_t __ahdecl ath_hal_reg_read(struct ath_hal *ah, u_int reg);
|
|
#else
|
|
#define OS_REG_WRITE(_ah, _reg, _val) _OS_REG_WRITE(_ah, _reg, _val)
|
|
#define OS_REG_READ(_ah, _reg) _OS_REG_READ(_ah, _reg)
|
|
-#endif /* AH_DEBUG || AH_REGFUNC || AH_DEBUG_ALQ */
|
|
+#endif /* AH_DEBUG || AH_REGFUNC || AH_DEBUG_ALQ */
|
|
|
|
extern char *ath_hal_func;
|
|
static inline void ath_hal_set_function(const char *name)
|
|
-#if defined(AH_DEBUG)
|
|
{
|
|
+#ifdef AH_DEBUG
|
|
ath_hal_func = (char *)name;
|
|
-}
|
|
-#else
|
|
-{ }
|
|
#endif
|
|
+}
|
|
|
|
#ifdef AH_DEBUG_ALQ
|
|
-extern void __ahdecl OS_MARK(struct ath_hal *, u_int id, u_int32_t value);
|
|
+extern void __ahdecl OS_MARK(struct ath_hal *, u_int id, u_int32_t value);
|
|
#else
|
|
#define OS_MARK(_ah, _id, _v)
|
|
#endif
|
|
@@ -253,8 +255,9 @@
|
|
* compiled with the default calling convention and are not called
|
|
* from within the HAL.
|
|
*/
|
|
-extern struct ath_hal *_ath_hal_attach(u_int16_t devid, HAL_SOFTC,
|
|
- HAL_BUS_TAG, HAL_BUS_HANDLE, HAL_STATUS*);
|
|
-extern void _ath_hal_detach(struct ath_hal *);
|
|
+extern struct ath_hal *_ath_hal_attach(u_int16_t devid, HAL_SOFTC,
|
|
+ HAL_BUS_TAG, HAL_BUS_HANDLE,
|
|
+ HAL_STATUS *);
|
|
+extern void _ath_hal_detach(struct ath_hal *);
|
|
|
|
-#endif /* _ATH_AH_OSDEP_H_ */
|
|
+#endif /* _ATH_AH_OSDEP_H_ */
|