1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
|
/*
* Generic Broadcom Home Networking Division (HND) DMA engine SW interface
* This supports the following chips: BCM42xx, 44xx, 47xx .
*
* Copyright 2007, Broadcom Corporation
* All Rights Reserved.
*
* THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
* KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
* SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
* $Id$
*/
#ifndef _hnddma_h_
#define _hnddma_h_
typedef const struct hnddma_pub hnddma_t;
/* dma function type */
typedef void (*di_detach_t)(hnddma_t *dmah);
typedef bool (*di_txreset_t)(hnddma_t *dmah);
typedef bool (*di_rxreset_t)(hnddma_t *dmah);
typedef bool (*di_rxidle_t)(hnddma_t *dmah);
typedef void (*di_txinit_t)(hnddma_t *dmah);
typedef bool (*di_txenabled_t)(hnddma_t *dmah);
typedef void (*di_rxinit_t)(hnddma_t *dmah);
typedef void (*di_txsuspend_t)(hnddma_t *dmah);
typedef void (*di_txresume_t)(hnddma_t *dmah);
typedef bool (*di_txsuspended_t)(hnddma_t *dmah);
typedef bool (*di_txsuspendedidle_t)(hnddma_t *dmah);
typedef int (*di_txfast_t)(hnddma_t *dmah, void *p, bool commit);
typedef void (*di_fifoloopbackenable_t)(hnddma_t *dmah);
typedef bool (*di_txstopped_t)(hnddma_t *dmah);
typedef bool (*di_rxstopped_t)(hnddma_t *dmah);
typedef bool (*di_rxenable_t)(hnddma_t *dmah);
typedef bool (*di_rxenabled_t)(hnddma_t *dmah);
typedef void* (*di_rx_t)(hnddma_t *dmah);
typedef void (*di_rxfill_t)(hnddma_t *dmah);
typedef void (*di_txreclaim_t)(hnddma_t *dmah, bool forceall);
typedef void (*di_rxreclaim_t)(hnddma_t *dmah);
typedef uintptr (*di_getvar_t)(hnddma_t *dmah, const char *name);
typedef void* (*di_getnexttxp_t)(hnddma_t *dmah, bool forceall);
typedef void* (*di_getnextrxp_t)(hnddma_t *dmah, bool forceall);
typedef void* (*di_peeknexttxp_t)(hnddma_t *dmah);
typedef void (*di_txblock_t)(hnddma_t *dmah);
typedef void (*di_txunblock_t)(hnddma_t *dmah);
typedef uint (*di_txactive_t)(hnddma_t *dmah);
typedef void (*di_txrotate_t)(hnddma_t *dmah);
typedef void (*di_counterreset_t)(hnddma_t *dmah);
typedef char* (*di_dump_t)(hnddma_t *dmah, struct bcmstrbuf *b, bool dumpring);
typedef char* (*di_dumptx_t)(hnddma_t *dmah, struct bcmstrbuf *b, bool dumpring);
typedef char* (*di_dumprx_t)(hnddma_t *dmah, struct bcmstrbuf *b, bool dumpring);
/* dma opsvec */
typedef struct di_fcn_s {
di_detach_t detach;
di_txinit_t txinit;
di_txreset_t txreset;
di_txenabled_t txenabled;
di_txsuspend_t txsuspend;
di_txresume_t txresume;
di_txsuspended_t txsuspended;
di_txsuspendedidle_t txsuspendedidle;
di_txfast_t txfast;
di_txstopped_t txstopped;
di_txreclaim_t txreclaim;
di_getnexttxp_t getnexttxp;
di_peeknexttxp_t peeknexttxp;
di_txblock_t txblock;
di_txunblock_t txunblock;
di_txactive_t txactive;
di_txrotate_t txrotate;
di_rxinit_t rxinit;
di_rxreset_t rxreset;
di_rxidle_t rxidle;
di_rxstopped_t rxstopped;
di_rxenable_t rxenable;
di_rxenabled_t rxenabled;
di_rx_t rx;
di_rxfill_t rxfill;
di_rxreclaim_t rxreclaim;
di_getnextrxp_t getnextrxp;
di_fifoloopbackenable_t fifoloopbackenable;
di_getvar_t d_getvar;
di_counterreset_t counterreset;
di_dump_t dump;
di_dumptx_t dumptx;
di_dumprx_t dumprx;
uint endnum;
} di_fcn_t;
/*
* Exported data structure (read-only)
*/
/* export structure */
struct hnddma_pub {
di_fcn_t di_fn; /* DMA function pointers */
uint txavail; /* # free tx descriptors */
/* rx error counters */
uint rxgiants; /* rx giant frames */
uint rxnobuf; /* rx out of dma descriptors */
/* tx error counters */
uint txnobuf; /* tx out of dma descriptors */
};
extern hnddma_t * dma_attach(osl_t *osh, char *name, sb_t *sbh, void *dmaregstx, void *dmaregsrx,
uint ntxd, uint nrxd, uint rxbufsize, uint nrxpost, uint rxoffset,
uint *msg_level);
#define dma_detach(di) ((di)->di_fn.detach(di))
#define dma_txreset(di) ((di)->di_fn.txreset(di))
#define dma_rxreset(di) ((di)->di_fn.rxreset(di))
#define dma_rxidle(di) ((di)->di_fn.rxidle(di))
#define dma_txinit(di) ((di)->di_fn.txinit(di))
#define dma_txenabled(di) ((di)->di_fn.txenabled(di))
#define dma_rxinit(di) ((di)->di_fn.rxinit(di))
#define dma_txsuspend(di) ((di)->di_fn.txsuspend(di))
#define dma_txresume(di) ((di)->di_fn.txresume(di))
#define dma_txsuspended(di) ((di)->di_fn.txsuspended(di))
#define dma_txsuspendedidle(di) ((di)->di_fn.txsuspendedidle(di))
#define dma_txfast(di, p, commit) ((di)->di_fn.txfast(di, p, commit))
#define dma_fifoloopbackenable(di) ((di)->di_fn.fifoloopbackenable(di))
#define dma_txstopped(di) ((di)->di_fn.txstopped(di))
#define dma_rxstopped(di) ((di)->di_fn.rxstopped(di))
#define dma_rxenable(di) ((di)->di_fn.rxenable(di))
#define dma_rxenabled(di) ((di)->di_fn.rxenabled(di))
#define dma_rx(di) ((di)->di_fn.rx(di))
#define dma_rxfill(di) ((di)->di_fn.rxfill(di))
#define dma_txreclaim(di, forceall) ((di)->di_fn.txreclaim(di, forceall))
#define dma_rxreclaim(di) ((di)->di_fn.rxreclaim(di))
#define dma_getvar(di, name) ((di)->di_fn.d_getvar(di, name))
#define dma_getnexttxp(di, forceall) ((di)->di_fn.getnexttxp(di, forceall))
#define dma_getnextrxp(di, forceall) ((di)->di_fn.getnextrxp(di, forceall))
#define dma_peeknexttxp(di) ((di)->di_fn.peeknexttxp(di))
#define dma_txblock(di) ((di)->di_fn.txblock(di))
#define dma_txunblock(di) ((di)->di_fn.txunblock(di))
#define dma_txactive(di) ((di)->di_fn.txactive(di))
#define dma_txrotate(di) ((di)->di_fn.txrotate(di))
#define dma_counterreset(di) ((di)->di_fn.counterreset(di))
#ifdef BCMDBG
#define dma_dump(di, buf, dumpring) ((di)->di_fn.dump(di, buf, dumpring))
#define dma_dumptx(di, buf, dumpring) ((di)->di_fn.dumptx(di, buf, dumpring))
#define dma_dumprx(di, buf, dumpring) ((di)->di_fn.dumprx(di, buf, dumpring))
#endif
/* return addresswidth allowed
* This needs to be done after SB attach but before dma attach.
* SB attach provides ability to probe backplane and dma core capabilities
* This info is needed by DMA_ALLOC_CONSISTENT in dma attach
*/
extern uint dma_addrwidth(sb_t *sbh, void *dmaregs);
/* pio helpers */
void dma_txpioloopback(osl_t *osh, dma32regs_t *);
#endif /* _hnddma_h_ */
|
