/* 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 */