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linux-next/drivers/net/wireless/rt2x00/rt2800mmio.h
Jeff Kirsher a05b8c580c rt2x00: Fix FSF address in file headers 
Several files refer to an old address for the Free Software Foundation
in the file header comment.  Resolve by replacing the address with
the URL <http://www.gnu.org/licenses/> so that we do not have to keep
updating the header comments anytime the address changes.

CC: linux-wireless@vger.kernel.org
CC: Ivo van Doorn <IvDoorn@gmail.com>
CC: Gertjan van Wingerde <gwingerde@gmail.com>
CC: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-11 10:56:19 -05:00

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/* Copyright (C) 2009 - 2010 Ivo van Doorn <IvDoorn@gmail.com>
* Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com>
* Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
* Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com>
* Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
* Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com>
* Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
* Copyright (C) 2009 Bart Zolnierkiewicz <bzolnier@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: rt2800mmio
* Abstract: forward declarations for the rt2800mmio module.
*/
#ifndef RT2800MMIO_H
#define RT2800MMIO_H
/*
* Queue register offset macros
*/
#define TX_QUEUE_REG_OFFSET 0x10
#define TX_BASE_PTR(__x) (TX_BASE_PTR0 + ((__x) * TX_QUEUE_REG_OFFSET))
#define TX_MAX_CNT(__x) (TX_MAX_CNT0 + ((__x) * TX_QUEUE_REG_OFFSET))
#define TX_CTX_IDX(__x) (TX_CTX_IDX0 + ((__x) * TX_QUEUE_REG_OFFSET))
#define TX_DTX_IDX(__x) (TX_DTX_IDX0 + ((__x) * TX_QUEUE_REG_OFFSET))
/*
* DMA descriptor defines.
*/
#define TXD_DESC_SIZE (4 * sizeof(__le32))
#define RXD_DESC_SIZE (4 * sizeof(__le32))
/*
* TX descriptor format for TX, PRIO and Beacon Ring.
*/
/*
* Word0
*/
#define TXD_W0_SD_PTR0 FIELD32(0xffffffff)
/*
* Word1
*/
#define TXD_W1_SD_LEN1 FIELD32(0x00003fff)
#define TXD_W1_LAST_SEC1 FIELD32(0x00004000)
#define TXD_W1_BURST FIELD32(0x00008000)
#define TXD_W1_SD_LEN0 FIELD32(0x3fff0000)
#define TXD_W1_LAST_SEC0 FIELD32(0x40000000)
#define TXD_W1_DMA_DONE FIELD32(0x80000000)
/*
* Word2
*/
#define TXD_W2_SD_PTR1 FIELD32(0xffffffff)
/*
* Word3
* WIV: Wireless Info Valid. 1: Driver filled WI, 0: DMA needs to copy WI
* QSEL: Select on-chip FIFO ID for 2nd-stage output scheduler.
* 0:MGMT, 1:HCCA 2:EDCA
*/
#define TXD_W3_WIV FIELD32(0x01000000)
#define TXD_W3_QSEL FIELD32(0x06000000)
#define TXD_W3_TCO FIELD32(0x20000000)
#define TXD_W3_UCO FIELD32(0x40000000)
#define TXD_W3_ICO FIELD32(0x80000000)
/*
* RX descriptor format for RX Ring.
*/
/*
* Word0
*/
#define RXD_W0_SDP0 FIELD32(0xffffffff)
/*
* Word1
*/
#define RXD_W1_SDL1 FIELD32(0x00003fff)
#define RXD_W1_SDL0 FIELD32(0x3fff0000)
#define RXD_W1_LS0 FIELD32(0x40000000)
#define RXD_W1_DMA_DONE FIELD32(0x80000000)
/*
* Word2
*/
#define RXD_W2_SDP1 FIELD32(0xffffffff)
/*
* Word3
* AMSDU: RX with 802.3 header, not 802.11 header.
* DECRYPTED: This frame is being decrypted.
*/
#define RXD_W3_BA FIELD32(0x00000001)
#define RXD_W3_DATA FIELD32(0x00000002)
#define RXD_W3_NULLDATA FIELD32(0x00000004)
#define RXD_W3_FRAG FIELD32(0x00000008)
#define RXD_W3_UNICAST_TO_ME FIELD32(0x00000010)
#define RXD_W3_MULTICAST FIELD32(0x00000020)
#define RXD_W3_BROADCAST FIELD32(0x00000040)
#define RXD_W3_MY_BSS FIELD32(0x00000080)
#define RXD_W3_CRC_ERROR FIELD32(0x00000100)
#define RXD_W3_CIPHER_ERROR FIELD32(0x00000600)
#define RXD_W3_AMSDU FIELD32(0x00000800)
#define RXD_W3_HTC FIELD32(0x00001000)
#define RXD_W3_RSSI FIELD32(0x00002000)
#define RXD_W3_L2PAD FIELD32(0x00004000)
#define RXD_W3_AMPDU FIELD32(0x00008000)
#define RXD_W3_DECRYPTED FIELD32(0x00010000)
#define RXD_W3_PLCP_SIGNAL FIELD32(0x00020000)
#define RXD_W3_PLCP_RSSI FIELD32(0x00040000)
/* TX descriptor initialization */
__le32 *rt2800mmio_get_txwi(struct queue_entry *entry);
void rt2800mmio_write_tx_desc(struct queue_entry *entry,
struct txentry_desc *txdesc);
/* RX control handlers */
void rt2800mmio_fill_rxdone(struct queue_entry *entry,
struct rxdone_entry_desc *rxdesc);
/* Interrupt functions */
void rt2800mmio_txstatus_tasklet(unsigned long data);
void rt2800mmio_pretbtt_tasklet(unsigned long data);
void rt2800mmio_tbtt_tasklet(unsigned long data);
void rt2800mmio_rxdone_tasklet(unsigned long data);
void rt2800mmio_autowake_tasklet(unsigned long data);
irqreturn_t rt2800mmio_interrupt(int irq, void *dev_instance);
void rt2800mmio_toggle_irq(struct rt2x00_dev *rt2x00dev,
enum dev_state state);
/* Queue handlers */
void rt2800mmio_start_queue(struct data_queue *queue);
void rt2800mmio_kick_queue(struct data_queue *queue);
void rt2800mmio_stop_queue(struct data_queue *queue);
void rt2800mmio_queue_init(struct data_queue *queue);
/* Initialization functions */
bool rt2800mmio_get_entry_state(struct queue_entry *entry);
void rt2800mmio_clear_entry(struct queue_entry *entry);
int rt2800mmio_init_queues(struct rt2x00_dev *rt2x00dev);
int rt2800mmio_init_registers(struct rt2x00_dev *rt2x00dev);
/* Device state switch handlers. */
int rt2800mmio_enable_radio(struct rt2x00_dev *rt2x00dev);
#endif /* RT2800MMIO_H */
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