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-rw-r--r--drivers/ieee1394/ieee1394.h202
1 files changed, 202 insertions, 0 deletions
diff --git a/drivers/ieee1394/ieee1394.h b/drivers/ieee1394/ieee1394.h
new file mode 100644
index 000000000000..b634a9bb365c
--- /dev/null
+++ b/drivers/ieee1394/ieee1394.h
@@ -0,0 +1,202 @@
1/*
2 * Generic IEEE 1394 definitions
3 */
4
5#ifndef _IEEE1394_IEEE1394_H
6#define _IEEE1394_IEEE1394_H
7
8#define TCODE_WRITEQ 0x0
9#define TCODE_WRITEB 0x1
10#define TCODE_WRITE_RESPONSE 0x2
11#define TCODE_READQ 0x4
12#define TCODE_READB 0x5
13#define TCODE_READQ_RESPONSE 0x6
14#define TCODE_READB_RESPONSE 0x7
15#define TCODE_CYCLE_START 0x8
16#define TCODE_LOCK_REQUEST 0x9
17#define TCODE_ISO_DATA 0xa
18#define TCODE_STREAM_DATA 0xa
19#define TCODE_LOCK_RESPONSE 0xb
20
21#define RCODE_COMPLETE 0x0
22#define RCODE_CONFLICT_ERROR 0x4
23#define RCODE_DATA_ERROR 0x5
24#define RCODE_TYPE_ERROR 0x6
25#define RCODE_ADDRESS_ERROR 0x7
26
27#define EXTCODE_MASK_SWAP 0x1
28#define EXTCODE_COMPARE_SWAP 0x2
29#define EXTCODE_FETCH_ADD 0x3
30#define EXTCODE_LITTLE_ADD 0x4
31#define EXTCODE_BOUNDED_ADD 0x5
32#define EXTCODE_WRAP_ADD 0x6
33
34#define ACK_COMPLETE 0x1
35#define ACK_PENDING 0x2
36#define ACK_BUSY_X 0x4
37#define ACK_BUSY_A 0x5
38#define ACK_BUSY_B 0x6
39#define ACK_TARDY 0xb
40#define ACK_CONFLICT_ERROR 0xc
41#define ACK_DATA_ERROR 0xd
42#define ACK_TYPE_ERROR 0xe
43#define ACK_ADDRESS_ERROR 0xf
44
45/* Non-standard "ACK codes" for internal use */
46#define ACKX_NONE (-1)
47#define ACKX_SEND_ERROR (-2)
48#define ACKX_ABORTED (-3)
49#define ACKX_TIMEOUT (-4)
50
51
52#define IEEE1394_SPEED_100 0x00
53#define IEEE1394_SPEED_200 0x01
54#define IEEE1394_SPEED_400 0x02
55#define IEEE1394_SPEED_800 0x03
56#define IEEE1394_SPEED_1600 0x04
57#define IEEE1394_SPEED_3200 0x05
58/* The current highest tested speed supported by the subsystem */
59#define IEEE1394_SPEED_MAX IEEE1394_SPEED_800
60
61/* Maps speed values above to a string representation */
62extern const char *hpsb_speedto_str[];
63
64
65#define SELFID_PWRCL_NO_POWER 0x0
66#define SELFID_PWRCL_PROVIDE_15W 0x1
67#define SELFID_PWRCL_PROVIDE_30W 0x2
68#define SELFID_PWRCL_PROVIDE_45W 0x3
69#define SELFID_PWRCL_USE_1W 0x4
70#define SELFID_PWRCL_USE_3W 0x5
71#define SELFID_PWRCL_USE_6W 0x6
72#define SELFID_PWRCL_USE_10W 0x7
73
74#define SELFID_PORT_CHILD 0x3
75#define SELFID_PORT_PARENT 0x2
76#define SELFID_PORT_NCONN 0x1
77#define SELFID_PORT_NONE 0x0
78
79
80/* 1394a PHY bitmasks */
81#define PHY_00_PHYSICAL_ID 0xFC
82#define PHY_00_R 0x02 /* Root */
83#define PHY_00_PS 0x01 /* Power Status*/
84#define PHY_01_RHB 0x80 /* Root Hold-Off */
85#define PHY_01_IBR 0x80 /* Initiate Bus Reset */
86#define PHY_01_GAP_COUNT 0x3F
87#define PHY_02_EXTENDED 0xE0 /* 0x7 for 1394a-compliant PHY */
88#define PHY_02_TOTAL_PORTS 0x1F
89#define PHY_03_MAX_SPEED 0xE0
90#define PHY_03_DELAY 0x0F
91#define PHY_04_LCTRL 0x80 /* Link Active Report Control */
92#define PHY_04_CONTENDER 0x40
93#define PHY_04_JITTER 0x38
94#define PHY_04_PWR_CLASS 0x07 /* Power Class */
95#define PHY_05_WATCHDOG 0x80
96#define PHY_05_ISBR 0x40 /* Initiate Short Bus Reset */
97#define PHY_05_LOOP 0x20 /* Loop Detect */
98#define PHY_05_PWR_FAIL 0x10 /* Cable Power Failure Detect */
99#define PHY_05_TIMEOUT 0x08 /* Arbitration State Machine Timeout */
100#define PHY_05_PORT_EVENT 0x04 /* Port Event Detect */
101#define PHY_05_ENAB_ACCEL 0x02 /* Enable Arbitration Acceleration */
102#define PHY_05_ENAB_MULTI 0x01 /* Ena. Multispeed Packet Concatenation */
103
104#include <asm/byteorder.h>
105
106#ifdef __BIG_ENDIAN_BITFIELD
107
108struct selfid {
109 u32 packet_identifier:2; /* always binary 10 */
110 u32 phy_id:6;
111 /* byte */
112 u32 extended:1; /* if true is struct ext_selfid */
113 u32 link_active:1;
114 u32 gap_count:6;
115 /* byte */
116 u32 speed:2;
117 u32 phy_delay:2;
118 u32 contender:1;
119 u32 power_class:3;
120 /* byte */
121 u32 port0:2;
122 u32 port1:2;
123 u32 port2:2;
124 u32 initiated_reset:1;
125 u32 more_packets:1;
126} __attribute__((packed));
127
128struct ext_selfid {
129 u32 packet_identifier:2; /* always binary 10 */
130 u32 phy_id:6;
131 /* byte */
132 u32 extended:1; /* if false is struct selfid */
133 u32 seq_nr:3;
134 u32 reserved:2;
135 u32 porta:2;
136 /* byte */
137 u32 portb:2;
138 u32 portc:2;
139 u32 portd:2;
140 u32 porte:2;
141 /* byte */
142 u32 portf:2;
143 u32 portg:2;
144 u32 porth:2;
145 u32 reserved2:1;
146 u32 more_packets:1;
147} __attribute__((packed));
148
149#elif defined __LITTLE_ENDIAN_BITFIELD /* __BIG_ENDIAN_BITFIELD */
150
151/*
152 * Note: these mean to be bit fields of a big endian SelfID as seen on a little
153 * endian machine. Without swapping.
154 */
155
156struct selfid {
157 u32 phy_id:6;
158 u32 packet_identifier:2; /* always binary 10 */
159 /* byte */
160 u32 gap_count:6;
161 u32 link_active:1;
162 u32 extended:1; /* if true is struct ext_selfid */
163 /* byte */
164 u32 power_class:3;
165 u32 contender:1;
166 u32 phy_delay:2;
167 u32 speed:2;
168 /* byte */
169 u32 more_packets:1;
170 u32 initiated_reset:1;
171 u32 port2:2;
172 u32 port1:2;
173 u32 port0:2;
174} __attribute__((packed));
175
176struct ext_selfid {
177 u32 phy_id:6;
178 u32 packet_identifier:2; /* always binary 10 */
179 /* byte */
180 u32 porta:2;
181 u32 reserved:2;
182 u32 seq_nr:3;
183 u32 extended:1; /* if false is struct selfid */
184 /* byte */
185 u32 porte:2;
186 u32 portd:2;
187 u32 portc:2;
188 u32 portb:2;
189 /* byte */
190 u32 more_packets:1;
191 u32 reserved2:1;
192 u32 porth:2;
193 u32 portg:2;
194 u32 portf:2;
195} __attribute__((packed));
196
197#else
198#error What? PDP endian?
199#endif /* __BIG_ENDIAN_BITFIELD */
200
201
202#endif /* _IEEE1394_IEEE1394_H */