ar9003_mac.h

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/*
 * Copyright (c) 2010-2011 Atheros Communications Inc.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef AR9003_MAC_H
#define AR9003_MAC_H

#define AR_DescId   0xffff0000
#define AR_DescId_S 16
#define AR_CtrlStat 0x00004000
#define AR_CtrlStat_S   14
#define AR_TxRxDesc 0x00008000
#define AR_TxRxDesc_S   15
#define AR_TxQcuNum 0x00000f00
#define AR_TxQcuNum_S   8

#define AR_BufLen   0x0fff0000
#define AR_BufLen_S 16

#define AR_TxDescId 0xffff0000
#define AR_TxDescId_S   16
#define AR_TxPtrChkSum  0x0000ffff

#define AR_LowRxChain   0x00004000

#define AR_Not_Sounding 0x20000000

/* ctl 12 */
#define AR_PAPRDChainMask   0x00000e00
#define AR_PAPRDChainMask_S 9

#define MAP_ISR_S2_CST          6
#define MAP_ISR_S2_GTT          6
#define MAP_ISR_S2_TIM          3
#define MAP_ISR_S2_CABEND       0
#define MAP_ISR_S2_DTIMSYNC     7
#define MAP_ISR_S2_DTIM         7
#define MAP_ISR_S2_TSFOOR       4
#define MAP_ISR_S2_BB_WATCHDOG  6

#define AR9003TXC_CONST(_ds) ((const struct ar9003_txc *) _ds)

struct ar9003_rxs {
    u32 ds_info;
    u32 status1;
    u32 status2;
    u32 status3;
    u32 status4;
    u32 status5;
    u32 status6;
    u32 status7;
    u32 status8;
    u32 status9;
    u32 status10;
    u32 status11;
} __packed __aligned(4);

/* Transmit Control Descriptor */
struct ar9003_txc {
    u32 info;   /* descriptor information */
    u32 link;   /* link pointer */
    u32 data0;  /* data pointer to 1st buffer */
    u32 ctl3;   /* DMA control 3  */
    u32 data1;  /* data pointer to 2nd buffer */
    u32 ctl5;   /* DMA control 5  */
    u32 data2;  /* data pointer to 3rd buffer */
    u32 ctl7;   /* DMA control 7  */
    u32 data3;  /* data pointer to 4th buffer */
    u32 ctl9;   /* DMA control 9  */
    u32 ctl10;  /* DMA control 10 */
    u32 ctl11;  /* DMA control 11 */
    u32 ctl12;  /* DMA control 12 */
    u32 ctl13;  /* DMA control 13 */
    u32 ctl14;  /* DMA control 14 */
    u32 ctl15;  /* DMA control 15 */
    u32 ctl16;  /* DMA control 16 */
    u32 ctl17;  /* DMA control 17 */
    u32 ctl18;  /* DMA control 18 */
    u32 ctl19;  /* DMA control 19 */
    u32 ctl20;  /* DMA control 20 */
    u32 ctl21;  /* DMA control 21 */
    u32 ctl22;  /* DMA control 22 */
    u32 ctl23;  /* DMA control 23 */
    u32 pad[8]; /* pad to cache line (128 bytes/32 dwords) */
} __packed __aligned(4);

struct ar9003_txs {
    u32 ds_info;
    u32 status1;
    u32 status2;
    u32 status3;
    u32 status4;
    u32 status5;
    u32 status6;
    u32 status7;
    u32 status8;
} __packed __aligned(4);

void ar9003_hw_attach_mac_ops(struct ath_hw *hw);
void ath9k_hw_set_rx_bufsize(struct ath_hw *ah, u16 buf_size);
void ath9k_hw_addrxbuf_edma(struct ath_hw *ah, u32 rxdp,
                enum ath9k_rx_qtype qtype);

int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah,
                 struct ath_rx_status *rxs,
                 void *buf_addr);
void ath9k_hw_reset_txstatus_ring(struct ath_hw *ah);
void ath9k_hw_setup_statusring(struct ath_hw *ah, void *ts_start,
                   u32 ts_paddr_start,
                   u16 size);
#endif