xref: /linux/drivers/net/wireless/ath/ath9k/ar9003_mac.h (revision e5451c8f8330e03ad3cfa16048b4daf961af434f)
1 /*
2  * Copyright (c) 2010-2011 Atheros Communications Inc.
3  *
4  * Permission to use, copy, modify, and/or distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #ifndef AR9003_MAC_H
18 #define AR9003_MAC_H
19 
20 #define AR_DescId	0xffff0000
21 #define AR_DescId_S	16
22 #define AR_CtrlStat	0x00004000
23 #define AR_CtrlStat_S	14
24 #define AR_TxRxDesc	0x00008000
25 #define AR_TxRxDesc_S	15
26 #define AR_TxQcuNum	0x00000f00
27 #define AR_TxQcuNum_S	8
28 
29 #define AR_BufLen	0x0fff0000
30 #define AR_BufLen_S	16
31 
32 #define AR_TxDescId	0xffff0000
33 #define AR_TxDescId_S	16
34 #define AR_TxPtrChkSum	0x0000ffff
35 
36 #define AR_LowRxChain	0x00004000
37 
38 #define AR_Not_Sounding	0x20000000
39 
40 /* ctl 12 */
41 #define AR_PAPRDChainMask	0x00000e00
42 #define AR_PAPRDChainMask_S	9
43 
44 #define MAP_ISR_S2_CST          6
45 #define MAP_ISR_S2_GTT          6
46 #define MAP_ISR_S2_TIM          3
47 #define MAP_ISR_S2_CABEND       0
48 #define MAP_ISR_S2_DTIMSYNC     7
49 #define MAP_ISR_S2_DTIM         7
50 #define MAP_ISR_S2_TSFOOR       4
51 #define MAP_ISR_S2_BB_WATCHDOG  6
52 
53 #define AR9003TXC_CONST(_ds) ((const struct ar9003_txc *) _ds)
54 
55 struct ar9003_rxs {
56 	u32 ds_info;
57 	u32 status1;
58 	u32 status2;
59 	u32 status3;
60 	u32 status4;
61 	u32 status5;
62 	u32 status6;
63 	u32 status7;
64 	u32 status8;
65 	u32 status9;
66 	u32 status10;
67 	u32 status11;
68 } __packed __aligned(4);
69 
70 /* Transmit Control Descriptor */
71 struct ar9003_txc {
72 	u32 info;   /* descriptor information */
73 	u32 link;   /* link pointer */
74 	u32 data0;  /* data pointer to 1st buffer */
75 	u32 ctl3;   /* DMA control 3  */
76 	u32 data1;  /* data pointer to 2nd buffer */
77 	u32 ctl5;   /* DMA control 5  */
78 	u32 data2;  /* data pointer to 3rd buffer */
79 	u32 ctl7;   /* DMA control 7  */
80 	u32 data3;  /* data pointer to 4th buffer */
81 	u32 ctl9;   /* DMA control 9  */
82 	u32 ctl10;  /* DMA control 10 */
83 	u32 ctl11;  /* DMA control 11 */
84 	u32 ctl12;  /* DMA control 12 */
85 	u32 ctl13;  /* DMA control 13 */
86 	u32 ctl14;  /* DMA control 14 */
87 	u32 ctl15;  /* DMA control 15 */
88 	u32 ctl16;  /* DMA control 16 */
89 	u32 ctl17;  /* DMA control 17 */
90 	u32 ctl18;  /* DMA control 18 */
91 	u32 ctl19;  /* DMA control 19 */
92 	u32 ctl20;  /* DMA control 20 */
93 	u32 ctl21;  /* DMA control 21 */
94 	u32 ctl22;  /* DMA control 22 */
95 	u32 ctl23;  /* DMA control 23 */
96 	u32 pad[8]; /* pad to cache line (128 bytes/32 dwords) */
97 } __packed __aligned(4);
98 
99 struct ar9003_txs {
100 	u32 ds_info;
101 	u32 status1;
102 	u32 status2;
103 	u32 status3;
104 	u32 status4;
105 	u32 status5;
106 	u32 status6;
107 	u32 status7;
108 	u32 status8;
109 } __packed __aligned(4);
110 
111 void ar9003_hw_attach_mac_ops(struct ath_hw *hw);
112 void ath9k_hw_set_rx_bufsize(struct ath_hw *ah, u16 buf_size);
113 void ath9k_hw_addrxbuf_edma(struct ath_hw *ah, u32 rxdp,
114 			    enum ath9k_rx_qtype qtype);
115 
116 int ath9k_hw_process_rxdesc_edma(struct ath_hw *ah,
117 				 struct ath_rx_status *rxs,
118 				 void *buf_addr);
119 void ath9k_hw_reset_txstatus_ring(struct ath_hw *ah);
120 void ath9k_hw_setup_statusring(struct ath_hw *ah, void *ts_start,
121 			       u32 ts_paddr_start,
122 			       u16 size);
123 #endif
124