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a05b8c580c
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>
164 lines
5.2 KiB
C
164 lines
5.2 KiB
C
/* Copyright (C) 2009 - 2010 Ivo van Doorn <IvDoorn@gmail.com>
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* Copyright (C) 2009 Alban Browaeys <prahal@yahoo.com>
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* Copyright (C) 2009 Felix Fietkau <nbd@openwrt.org>
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* Copyright (C) 2009 Luis Correia <luis.f.correia@gmail.com>
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* Copyright (C) 2009 Mattias Nissler <mattias.nissler@gmx.de>
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* Copyright (C) 2009 Mark Asselstine <asselsm@gmail.com>
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* Copyright (C) 2009 Xose Vazquez Perez <xose.vazquez@gmail.com>
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* Copyright (C) 2009 Bart Zolnierkiewicz <bzolnier@gmail.com>
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* <http://rt2x00.serialmonkey.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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/* Module: rt2800mmio
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* Abstract: forward declarations for the rt2800mmio module.
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*/
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#ifndef RT2800MMIO_H
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#define RT2800MMIO_H
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/*
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* Queue register offset macros
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*/
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#define TX_QUEUE_REG_OFFSET 0x10
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#define TX_BASE_PTR(__x) (TX_BASE_PTR0 + ((__x) * TX_QUEUE_REG_OFFSET))
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#define TX_MAX_CNT(__x) (TX_MAX_CNT0 + ((__x) * TX_QUEUE_REG_OFFSET))
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#define TX_CTX_IDX(__x) (TX_CTX_IDX0 + ((__x) * TX_QUEUE_REG_OFFSET))
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#define TX_DTX_IDX(__x) (TX_DTX_IDX0 + ((__x) * TX_QUEUE_REG_OFFSET))
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/*
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* DMA descriptor defines.
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*/
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#define TXD_DESC_SIZE (4 * sizeof(__le32))
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#define RXD_DESC_SIZE (4 * sizeof(__le32))
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/*
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* TX descriptor format for TX, PRIO and Beacon Ring.
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*/
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/*
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* Word0
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*/
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#define TXD_W0_SD_PTR0 FIELD32(0xffffffff)
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/*
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* Word1
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*/
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#define TXD_W1_SD_LEN1 FIELD32(0x00003fff)
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#define TXD_W1_LAST_SEC1 FIELD32(0x00004000)
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#define TXD_W1_BURST FIELD32(0x00008000)
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#define TXD_W1_SD_LEN0 FIELD32(0x3fff0000)
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#define TXD_W1_LAST_SEC0 FIELD32(0x40000000)
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#define TXD_W1_DMA_DONE FIELD32(0x80000000)
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/*
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* Word2
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*/
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#define TXD_W2_SD_PTR1 FIELD32(0xffffffff)
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/*
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* Word3
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* WIV: Wireless Info Valid. 1: Driver filled WI, 0: DMA needs to copy WI
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* QSEL: Select on-chip FIFO ID for 2nd-stage output scheduler.
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* 0:MGMT, 1:HCCA 2:EDCA
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*/
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#define TXD_W3_WIV FIELD32(0x01000000)
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#define TXD_W3_QSEL FIELD32(0x06000000)
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#define TXD_W3_TCO FIELD32(0x20000000)
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#define TXD_W3_UCO FIELD32(0x40000000)
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#define TXD_W3_ICO FIELD32(0x80000000)
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/*
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* RX descriptor format for RX Ring.
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*/
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/*
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* Word0
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*/
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#define RXD_W0_SDP0 FIELD32(0xffffffff)
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/*
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* Word1
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*/
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#define RXD_W1_SDL1 FIELD32(0x00003fff)
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#define RXD_W1_SDL0 FIELD32(0x3fff0000)
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#define RXD_W1_LS0 FIELD32(0x40000000)
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#define RXD_W1_DMA_DONE FIELD32(0x80000000)
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/*
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* Word2
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*/
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#define RXD_W2_SDP1 FIELD32(0xffffffff)
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/*
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* Word3
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* AMSDU: RX with 802.3 header, not 802.11 header.
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* DECRYPTED: This frame is being decrypted.
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*/
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#define RXD_W3_BA FIELD32(0x00000001)
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#define RXD_W3_DATA FIELD32(0x00000002)
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#define RXD_W3_NULLDATA FIELD32(0x00000004)
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#define RXD_W3_FRAG FIELD32(0x00000008)
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#define RXD_W3_UNICAST_TO_ME FIELD32(0x00000010)
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#define RXD_W3_MULTICAST FIELD32(0x00000020)
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#define RXD_W3_BROADCAST FIELD32(0x00000040)
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#define RXD_W3_MY_BSS FIELD32(0x00000080)
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#define RXD_W3_CRC_ERROR FIELD32(0x00000100)
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#define RXD_W3_CIPHER_ERROR FIELD32(0x00000600)
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#define RXD_W3_AMSDU FIELD32(0x00000800)
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#define RXD_W3_HTC FIELD32(0x00001000)
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#define RXD_W3_RSSI FIELD32(0x00002000)
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#define RXD_W3_L2PAD FIELD32(0x00004000)
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#define RXD_W3_AMPDU FIELD32(0x00008000)
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#define RXD_W3_DECRYPTED FIELD32(0x00010000)
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#define RXD_W3_PLCP_SIGNAL FIELD32(0x00020000)
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#define RXD_W3_PLCP_RSSI FIELD32(0x00040000)
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/* TX descriptor initialization */
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__le32 *rt2800mmio_get_txwi(struct queue_entry *entry);
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void rt2800mmio_write_tx_desc(struct queue_entry *entry,
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struct txentry_desc *txdesc);
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/* RX control handlers */
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void rt2800mmio_fill_rxdone(struct queue_entry *entry,
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struct rxdone_entry_desc *rxdesc);
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/* Interrupt functions */
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void rt2800mmio_txstatus_tasklet(unsigned long data);
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void rt2800mmio_pretbtt_tasklet(unsigned long data);
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void rt2800mmio_tbtt_tasklet(unsigned long data);
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void rt2800mmio_rxdone_tasklet(unsigned long data);
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void rt2800mmio_autowake_tasklet(unsigned long data);
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irqreturn_t rt2800mmio_interrupt(int irq, void *dev_instance);
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void rt2800mmio_toggle_irq(struct rt2x00_dev *rt2x00dev,
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enum dev_state state);
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/* Queue handlers */
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void rt2800mmio_start_queue(struct data_queue *queue);
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void rt2800mmio_kick_queue(struct data_queue *queue);
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void rt2800mmio_stop_queue(struct data_queue *queue);
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void rt2800mmio_queue_init(struct data_queue *queue);
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/* Initialization functions */
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bool rt2800mmio_get_entry_state(struct queue_entry *entry);
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void rt2800mmio_clear_entry(struct queue_entry *entry);
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int rt2800mmio_init_queues(struct rt2x00_dev *rt2x00dev);
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int rt2800mmio_init_registers(struct rt2x00_dev *rt2x00dev);
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/* Device state switch handlers. */
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int rt2800mmio_enable_radio(struct rt2x00_dev *rt2x00dev);
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#endif /* RT2800MMIO_H */
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