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
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
|
#ifndef _OHCI1394_H
#define _OHCI1394_H
#include "ieee1394_types.h"
#define OHCI1394_DRIVER_NAME "ohci1394"
#ifndef PCI_DEVICE_ID_TI_OHCI1394
#define PCI_DEVICE_ID_TI_OHCI1394 0x8009
#endif
#ifndef PCI_DEVICE_ID_TI_OHCI1394_2
#define PCI_DEVICE_ID_TI_OHCI1394_2 0x8019
#endif
#ifndef PCI_DEVICE_ID_VIA_OHCI1394
#define PCI_DEVICE_ID_VIA_OHCI1394 0x3044
#endif
#define MAX_OHCI1394_CARDS 4
#define AR_RESP_BUF_SIZE 4096
#define AR_RESP_PRG_SIZE 256
#define AT_REQ_PRG_SIZE 256
#define IR_RECV_BUF_SIZE 4096 /* 4096 bytes/buffer */
#define IR_SPLIT_PACKET_BUF_SIZE 8192 /* size of buffer for split packets */
#define IR_NUM_DESC 16 /* number of ISO recv descriptors */
struct dma_cmd {
u32 control;
u32 address;
u32 branchAddress;
u32 status;
};
struct ti_ohci {
int id; /* sequential card number */
struct pci_dev *dev;
u32 state;
/* remapped memory spaces */
void *registers;
quadlet_t *self_id_buffer; /* dma buffer for self-id packets */
quadlet_t *csr_config_rom; /* buffer for csr config rom */
/* asynchronous receive */
struct dma_cmd *AR_resp_prg;
quadlet_t *AR_resp_buf;
/* asynchronous transmit */
struct dma_cmd *AT_req_prg;
/* isochronous receive */
struct dma_cmd **IR_recv_prg;
quadlet_t **IR_recv_buf;
unsigned int IR_buf_used;
unsigned int IR_buf_last_ind;
unsigned int IR_buf_next_ind;
spinlock_t IR_recv_lock;
/* iso recv split packet handling */
quadlet_t *IR_spb;
unsigned int IR_sp_bytes_left;
unsigned int IR_spb_bytes_used;
/* iso receive channel usage */
spinlock_t IR_channel_lock;
u64 IR_channel_usage;
/* iso receive task */
struct tq_struct IR_pdl_task;
/* IEEE-1394 part follows */
struct hpsb_host *host;
int phyid, isroot;
spinlock_t phy_reg_lock;
struct hpsb_packet *async_queue;
spinlock_t async_queue_lock;
int AR_resp_active;
int NumBusResets;
int TxRdy;
int NumInterrupts;
};
/*
* Register read and write helper functions.
*/
inline static void reg_write(const struct ti_ohci *ohci, int offset, u32 data)
{
writel(data, ohci->registers + offset);
}
inline static u32 reg_read(const struct ti_ohci *ohci, int offset)
{
return readl(ohci->registers + offset);
}
/* This structure is not properly initialized ... it is taken from
the lynx_csr_rom written by Andreas ... Some fields in the root
directory and the module dependent info needs to be modified
I do not have the proper doc */
quadlet_t ohci_csr_rom[] = {
/* bus info block */
0x04040000, /* info/CRC length, CRC */
0x31333934, /* 1394 magic number */
0xf064a000, /* misc. settings - FIXME */
0x08002856, /* vendor ID, chip ID high */
0x0000083E, /* chip ID low */
/* root directory - FIXME */
0x00090000, /* CRC length, CRC */
0x03080028, /* vendor ID (Texas Instr.) */
0x81000009, /* offset to textual ID */
0x0c000200, /* node capabilities */
0x8d00000e, /* offset to unique ID */
0xc7000010, /* offset to module independent info */
0x04000000, /* module hardware version */
0x81000026, /* offset to textual ID */
0x09000000, /* node hardware version */
0x81000026, /* offset to textual ID */
/* module vendor ID textual */
0x00080000, /* CRC length, CRC */
0x00000000,
0x00000000,
0x54455841, /* "Texas Instruments" */
0x5320494e,
0x53545255,
0x4d454e54,
0x53000000,
/* node unique ID leaf */
0x00020000, /* CRC length, CRC */
0x08002856, /* vendor ID, chip ID high */
0x0000083E, /* chip ID low */
/* module dependent info - FIXME */
0x00060000, /* CRC length, CRC */
0xb8000006, /* ??? offset to module textual ID */
0x81000004, /* ??? textual descriptor */
0x00000000, /* SRAM size */
0x00000000, /* AUXRAM size */
0x00000000, /* AUX device */
/* module textual ID */
0x00050000, /* CRC length, CRC */
0x00000000,
0x00000000,
0x54534231, /* "TSB12LV22" */
0x324c5632,
0x32000000,
/* part number */
0x00060000, /* CRC length, CRC */
0x00000000,
0x00000000,
0x39383036, /* "9806000-0001" */
0x3030342d,
0x30303431,
0x20000001,
/* module hardware version textual */
0x00050000, /* CRC length, CRC */
0x00000000,
0x00000000,
0x5453424b, /* "TSBKOHCI403" */
0x4f484349,
0x34303300,
/* node hardware version textual */
0x00050000, /* CRC length, CRC */
0x00000000,
0x00000000,
0x54534234, /* "TSB41LV03" */
0x314c5630,
0x33000000
};
/* 2 KiloBytes of register space */
#define OHCI1394_REGISTER_SIZE 0x800
/* register map */
#define OHCI1394_Version 0x000
#define OHCI1394_GUID_ROM 0x004
#define OHCI1394_ATRetries 0x008
#define OHCI1394_CSRReadData 0x00C
#define OHCI1394_CSRCompareData 0x010
#define OHCI1394_CSRControl 0x014
#define OHCI1394_ConfigROMhdr 0x018
#define OHCI1394_BusID 0x01C
#define OHCI1394_BusOptions 0x020
#define OHCI1394_GUIDHi 0x024
#define OHCI1394_GUIDLo 0x028
#define OHCI1394_ConfigROMmap 0x034
#define OHCI1394_PostedWriteAddressLo 0x038
#define OHCI1394_PostedWriteAddressHi 0x03C
#define OHCI1394_VendorID 0x040
#define OHCI1394_HCControlSet 0x050
#define OHCI1394_HCControlClear 0x054
#define OHCI1394_SelfIDBuffer 0x064
#define OHCI1394_SelfIDCount 0x068
#define OHCI1394_IRMultiChanMaskHiSet 0x070
#define OHCI1394_IRMultiChanMaskHiClear 0x074
#define OHCI1394_IRMultiChanMaskLoSet 0x078
#define OHCI1394_IRMultiChanMaskLoClear 0x07C
#define OHCI1394_IntEventSet 0x080
#define OHCI1394_IntEventClear 0x084
#define OHCI1394_IntMaskSet 0x088
#define OHCI1394_IntMaskClear 0x08C
#define OHCI1394_IsoXmitIntEventSet 0x090
#define OHCI1394_IsoXmitIntEventClear 0x094
#define OHCI1394_IsoXmitIntMaskSet 0x098
#define OHCI1394_IsoXmitIntMaskClear 0x09C
#define OHCI1394_IsoRecvIntEventSet 0x0A0
#define OHCI1394_IsoRecvIntEventClear 0x0A4
#define OHCI1394_IsoRecvIntMaskSet 0x0A8
#define OHCI1394_IsoRecvIntMaskClear 0x0AC
#define OHCI1394_FairnessControl 0x0DC
#define OHCI1394_LinkControlSet 0x0E0
#define OHCI1394_LinkControlClear 0x0E4
#define OHCI1394_NodeID 0x0E8
#define OHCI1394_PhyControl 0x0EC
#define OHCI1394_IsochronousCycleTimer 0x0F0
#define OHCI1394_AsReqFilterHiSet 0x100
#define OHCI1394_AsReqFilterHiClear 0x104
#define OHCI1394_AsReqFilterLoSet 0x108
#define OHCI1394_AsReqFilterLoClear 0x10C
#define OHCI1394_PhyReqFilterHiSet 0x110
#define OHCI1394_PhyReqFilterHiClear 0x114
#define OHCI1394_PhyReqFilterLoSet 0x118
#define OHCI1394_PhyReqFilterLoClear 0x11C
#define OHCI1394_PhyUpperBound 0x120
#define OHCI1394_AsReqTrContextControlSet 0x180
#define OHCI1394_AsReqTrContextControlClear 0x184
#define OHCI1394_AsReqTrCommandPtr 0x18C
#define OHCI1394_AsRspTrContextControlSet 0x1A0
#define OHCI1394_AsRspTrContextControlClear 0x1A4
#define OHCI1394_AsRspTrCommandPtr 0x1AC
#define OHCI1394_AsReqRcvContextControlSet 0x1C0
#define OHCI1394_AsReqRcvContextControlClear 0x1C4
#define OHCI1394_AsReqRcvCommandPtr 0x1CC
#define OHCI1394_AsRspRcvContextControlSet 0x1E0
#define OHCI1394_AsRspRcvContextControlClear 0x1E4
#define OHCI1394_AsRspRcvCommandPtr 0x1EC
/* Isochronous receive registers */
/* Add (32 * n) for context n */
#define OHCI1394_IrRcvContextControlSet 0x400
#define OHCI1394_IrRcvContextControlClear 0x404
#define OHCI1394_IrRcvCommandPtr 0x40C
#define OHCI1394_IrRcvContextMatch 0x410
/* Interrupts Mask/Events */
#define OHCI1394_reqTxComplete 0x00000001
#define OHCI1394_respTxComplete 0x00000002
#define OHCI1394_ARRQ 0x00000004
#define OHCI1394_ARRS 0x00000008
#define OHCI1394_RQPkt 0x00000010
#define OHCI1394_RSPkt 0x00000020
#define OHCI1394_isochTx 0x00000040
#define OHCI1394_isochRx 0x00000080
#define OHCI1394_postedWriteErr 0x00001000
#define OHCI1394_lockRespErr 0x00002000
#define OHCI1394_selfIDComplete 0x00010000
#define OHCI1394_busReset 0x00020000
#define OHCI1394_phy 0x00080000
#define OHCI1394_cycleSynch 0x00100000
#define OHCI1394_cycle64Seconds 0x00200000
#define OHCI1394_cycleLost 0x00400000
#define OHCI1394_cycleInconsistent 0x00800000
#define OHCI1394_unrecoverableError 0x01000000
#define OHCI1394_cycleTooLong 0x02000000
#define OHCI1394_phyRegRcvd 0x04000000
#define OHCI1394_masterIntEnable 0x80000000
#define OUTPUT_MORE 0x00000000
#define OUTPUT_MORE_IMMEDIATE 0x02000000
#define OUTPUT_LAST 0x103c0000
#define OUTPUT_LAST_IMMEDIATE 0x123c0000
#define DMA_SPEED_100 0x0
#define DMA_SPEED_200 0x1
#define DMA_SPEED_400 0x2
#endif
|