Initial import

1 files changed, 277 insertions, 0 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2x00reg.h b/drivers/net/wireless/rt2x00/rt2x00reg.h
new file mode 100644
index 000000000..3cc541d13
--- /dev/null
+++ b/drivers/net/wireless/rt2x00/rt2x00reg.h
@@ -0,0 +1,277 @@
+/*
+	Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
+	<http://rt2x00.serialmonkey.com>
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+	Module: rt2x00
+	Abstract: rt2x00 generic register information.
+ */
+
+#ifndef RT2X00REG_H
+#define RT2X00REG_H
+
+/*
+ * RX crypto status
+ */
+enum rx_crypto {
+	RX_CRYPTO_SUCCESS = 0,
+	RX_CRYPTO_FAIL_ICV = 1,
+	RX_CRYPTO_FAIL_MIC = 2,
+	RX_CRYPTO_FAIL_KEY = 3,
+};
+
+/*
+ * Antenna values
+ */
+enum antenna {
+	ANTENNA_SW_DIVERSITY = 0,
+	ANTENNA_A = 1,
+	ANTENNA_B = 2,
+	ANTENNA_HW_DIVERSITY = 3,
+};
+
+/*
+ * Led mode values.
+ */
+enum led_mode {
+	LED_MODE_DEFAULT = 0,
+	LED_MODE_TXRX_ACTIVITY = 1,
+	LED_MODE_SIGNAL_STRENGTH = 2,
+	LED_MODE_ASUS = 3,
+	LED_MODE_ALPHA = 4,
+};
+
+/*
+ * TSF sync values
+ */
+enum tsf_sync {
+	TSF_SYNC_NONE = 0,
+	TSF_SYNC_INFRA = 1,
+	TSF_SYNC_ADHOC = 2,
+	TSF_SYNC_AP_NONE = 3,
+};
+
+/*
+ * Device states
+ */
+enum dev_state {
+	STATE_DEEP_SLEEP = 0,
+	STATE_SLEEP = 1,
+	STATE_STANDBY = 2,
+	STATE_AWAKE = 3,
+
+/*
+ * Additional device states, these values are
+ * not strict since they are not directly passed
+ * into the device.
+ */
+	STATE_RADIO_ON,
+	STATE_RADIO_OFF,
+	STATE_RADIO_IRQ_ON,
+	STATE_RADIO_IRQ_OFF,
+};
+
+/*
+ * IFS backoff values
+ */
+enum ifs {
+	IFS_BACKOFF = 0,
+	IFS_SIFS = 1,
+	IFS_NEW_BACKOFF = 2,
+	IFS_NONE = 3,
+};
+
+/*
+ * IFS backoff values for HT devices
+ */
+enum txop {
+	TXOP_HTTXOP = 0,
+	TXOP_PIFS = 1,
+	TXOP_SIFS = 2,
+	TXOP_BACKOFF = 3,
+};
+
+/*
+ * Cipher types for hardware encryption
+ */
+enum cipher {
+	CIPHER_NONE = 0,
+	CIPHER_WEP64 = 1,
+	CIPHER_WEP128 = 2,
+	CIPHER_TKIP = 3,
+	CIPHER_AES = 4,
+/*
+ * The following fields were added by rt61pci and rt73usb.
+ */
+	CIPHER_CKIP64 = 5,
+	CIPHER_CKIP128 = 6,
+	CIPHER_TKIP_NO_MIC = 7, /* Don't send to device */
+
+/*
+ * Max cipher type.
+ * Note that CIPHER_NONE isn't counted, and CKIP64 and CKIP128
+ * are excluded due to limitations in mac80211.
+ */
+	CIPHER_MAX = 4,
+};
+
+/*
+ * Rate modulations
+ */
+enum rate_modulation {
+	RATE_MODE_CCK = 0,
+	RATE_MODE_OFDM = 1,
+	RATE_MODE_HT_MIX = 2,
+	RATE_MODE_HT_GREENFIELD = 3,
+};
+
+/*
+ * Firmware validation error codes
+ */
+enum firmware_errors {
+	FW_OK,
+	FW_BAD_CRC,
+	FW_BAD_LENGTH,
+	FW_BAD_VERSION,
+};
+
+/*
+ * Register handlers.
+ * We store the position of a register field inside a field structure,
+ * This will simplify the process of setting and reading a certain field
+ * inside the register while making sure the process remains byte order safe.
+ */
+struct rt2x00_field8 {
+	u8 bit_offset;
+	u8 bit_mask;
+};
+
+struct rt2x00_field16 {
+	u16 bit_offset;
+	u16 bit_mask;
+};
+
+struct rt2x00_field32 {
+	u32 bit_offset;
+	u32 bit_mask;
+};
+
+/*
+ * Power of two check, this will check
+ * if the mask that has been given contains and contiguous set of bits.
+ * Note that we cannot use the is_power_of_2() function since this
+ * check must be done at compile-time.
+ */
+#define is_power_of_two(x)	( !((x) & ((x)-1)) )
+#define low_bit_mask(x)		( ((x)-1) & ~(x) )
+#define is_valid_mask(x)	is_power_of_two(1LU + (x) + low_bit_mask(x))
+
+/*
+ * Macros to find first set bit in a variable.
+ * These macros behave the same as the __ffs() functions but
+ * the most important difference that this is done during
+ * compile-time rather then run-time.
+ */
+#define compile_ffs2(__x) \
+	__builtin_choose_expr(((__x) & 0x1), 0, 1)
+
+#define compile_ffs4(__x) \
+	__builtin_choose_expr(((__x) & 0x3), \
+			      (compile_ffs2((__x))), \
+			      (compile_ffs2((__x) >> 2) + 2))
+
+#define compile_ffs8(__x) \
+	__builtin_choose_expr(((__x) & 0xf), \
+			      (compile_ffs4((__x))), \
+			      (compile_ffs4((__x) >> 4) + 4))
+
+#define compile_ffs16(__x) \
+	__builtin_choose_expr(((__x) & 0xff), \
+			      (compile_ffs8((__x))), \
+			      (compile_ffs8((__x) >> 8) + 8))
+
+#define compile_ffs32(__x) \
+	__builtin_choose_expr(((__x) & 0xffff), \
+			      (compile_ffs16((__x))), \
+			      (compile_ffs16((__x) >> 16) + 16))
+
+/*
+ * This macro will check the requirements for the FIELD{8,16,32} macros
+ * The mask should be a constant non-zero contiguous set of bits which
+ * does not exceed the given typelimit.
+ */
+#define FIELD_CHECK(__mask, __type)			\
+	BUILD_BUG_ON(!(__mask) ||			\
+		     !is_valid_mask(__mask) ||		\
+		     (__mask) != (__type)(__mask))	\
+
+#define FIELD8(__mask)				\
+({						\
+	FIELD_CHECK(__mask, u8);		\
+	(struct rt2x00_field8) {		\
+		compile_ffs8(__mask), (__mask)	\
+	};					\
+})
+
+#define FIELD16(__mask)				\
+({						\
+	FIELD_CHECK(__mask, u16);		\
+	(struct rt2x00_field16) {		\
+		compile_ffs16(__mask), (__mask)	\
+	};					\
+})
+
+#define FIELD32(__mask)				\
+({						\
+	FIELD_CHECK(__mask, u32);		\
+	(struct rt2x00_field32) {		\
+		compile_ffs32(__mask), (__mask)	\
+	};					\
+})
+
+#define SET_FIELD(__reg, __type, __field, __value)\
+({						\
+	typecheck(__type, __field);		\
+	*(__reg) &= ~((__field).bit_mask);	\
+	*(__reg) |= ((__value) <<		\
+	    ((__field).bit_offset)) &		\
+	    ((__field).bit_mask);		\
+})
+
+#define GET_FIELD(__reg, __type, __field)	\
+({						\
+	typecheck(__type, __field);		\
+	((__reg) & ((__field).bit_mask)) >>	\
+	    ((__field).bit_offset);		\
+})
+
+#define rt2x00_set_field32(__reg, __field, __value) \
+	SET_FIELD(__reg, struct rt2x00_field32, __field, __value)
+#define rt2x00_get_field32(__reg, __field) \
+	GET_FIELD(__reg, struct rt2x00_field32, __field)
+
+#define rt2x00_set_field16(__reg, __field, __value) \
+	SET_FIELD(__reg, struct rt2x00_field16, __field, __value)
+#define rt2x00_get_field16(__reg, __field) \
+	GET_FIELD(__reg, struct rt2x00_field16, __field)
+
+#define rt2x00_set_field8(__reg, __field, __value) \
+	SET_FIELD(__reg, struct rt2x00_field8, __field, __value)
+#define rt2x00_get_field8(__reg, __field) \
+	GET_FIELD(__reg, struct rt2x00_field8, __field)
+
+#endif /* RT2X00REG_H */