+++ /dev/null
-/*
- 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 */
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