1/*
2 * Workbit NinjaSCSI-32Bi/UDE PCI/CardBus SCSI Host Bus Adapter driver
3 * Debug routine
4 *
5 * This software may be used and distributed according to the terms of
6 * the GNU General Public License.
7 */
8
9/*
10 * Show the command data of a command
11 */
12static const char unknown[] = "UNKNOWN";
13
14static const char * group_0_commands[] = {
15/* 00-03 */ "Test Unit Ready", "Rezero Unit", unknown, "Request Sense",
16/* 04-07 */ "Format Unit", "Read Block Limits", unknown, "Reassign Blocks",
17/* 08-0d */ "Read (6)", unknown, "Write (6)", "Seek (6)", unknown, unknown,
18/* 0e-12 */ unknown, "Read Reverse", "Write Filemarks", "Space", "Inquiry",
19/* 13-16 */ unknown, "Recover Buffered Data", "Mode Select", "Reserve",
20/* 17-1b */ "Release", "Copy", "Erase", "Mode Sense", "Start/Stop Unit",
21/* 1c-1d */ "Receive Diagnostic", "Send Diagnostic",
22/* 1e-1f */ "Prevent/Allow Medium Removal", unknown,
23};
24
25
26static const char *group_1_commands[] = {
27/* 20-22 */  unknown, unknown, unknown,
28/* 23-28 */ unknown, unknown, "Read Capacity", unknown, unknown, "Read (10)",
29/* 29-2d */ unknown, "Write (10)", "Seek (10)", unknown, unknown,
30/* 2e-31 */ "Write Verify","Verify", "Search High", "Search Equal",
31/* 32-34 */ "Search Low", "Set Limits", "Prefetch or Read Position",
32/* 35-37 */ "Synchronize Cache","Lock/Unlock Cache", "Read Defect Data",
33/* 38-3c */ "Medium Scan", "Compare","Copy Verify", "Write Buffer", "Read Buffer",
34/* 3d-3f */ "Update Block", "Read Long",  "Write Long",
35};
36
37
38static const char *group_2_commands[] = {
39/* 40-41 */ "Change Definition", "Write Same",
40/* 42-48 */ "Read Sub-Ch(cd)", "Read TOC", "Read Header(cd)", "Play Audio(cd)", unknown, "Play Audio MSF(cd)", "Play Audio Track/Index(cd)",
41/* 49-4f */ "Play Track Relative(10)(cd)", unknown, "Pause/Resume(cd)", "Log Select", "Log Sense", unknown, unknown,
42/* 50-55 */ unknown, unknown, unknown, unknown, unknown, "Mode Select (10)",
43/* 56-5b */ unknown, unknown, unknown, unknown, "Mode Sense (10)", unknown,
44/* 5c-5f */ unknown, unknown, unknown,
45};
46
47#define group(opcode) (((opcode) >> 5) & 7)
48
49#define RESERVED_GROUP  0
50#define VENDOR_GROUP    1
51#define NOTEXT_GROUP    2
52
53static const char **commands[] = {
54    group_0_commands, group_1_commands, group_2_commands,
55    (const char **) RESERVED_GROUP, (const char **) RESERVED_GROUP,
56    (const char **) NOTEXT_GROUP, (const char **) VENDOR_GROUP,
57    (const char **) VENDOR_GROUP
58};
59
60static const char reserved[] = "RESERVED";
61static const char vendor[] = "VENDOR SPECIFIC";
62
63static void print_opcodek(unsigned char opcode)
64{
65	const char **table = commands[ group(opcode) ];
66
67	switch ((unsigned long) table) {
68	case RESERVED_GROUP:
69		printk("%s[%02x] ", reserved, opcode);
70		break;
71	case NOTEXT_GROUP:
72		printk("%s(notext)[%02x] ", unknown, opcode);
73		break;
74	case VENDOR_GROUP:
75		printk("%s[%02x] ", vendor, opcode);
76		break;
77	default:
78		if (table[opcode & 0x1f] != unknown)
79			printk("%s[%02x] ", table[opcode & 0x1f], opcode);
80		else
81			printk("%s[%02x] ", unknown, opcode);
82		break;
83	}
84}
85
86static void print_commandk (unsigned char *command)
87{
88	int i,s;
89//	printk(KERN_DEBUG);
90	print_opcodek(command[0]);
91	/*printk(KERN_DEBUG "%s ", __func__);*/
92	if ((command[0] >> 5) == 6 ||
93	    (command[0] >> 5) == 7 ) {
94		s = 12; /* vender specific */
95	} else {
96		s = COMMAND_SIZE(command[0]);
97	}
98
99	for ( i = 1; i < s; ++i) {
100		printk("%02x ", command[i]);
101	}
102
103	switch (s) {
104	case 6:
105		printk("LBA=%d len=%d",
106		       (((unsigned int)command[1] & 0x0f) << 16) |
107		       ( (unsigned int)command[2]         <<  8) |
108		       ( (unsigned int)command[3]              ),
109		       (unsigned int)command[4]
110			);
111		break;
112	case 10:
113		printk("LBA=%d len=%d",
114		       ((unsigned int)command[2] << 24) |
115		       ((unsigned int)command[3] << 16) |
116		       ((unsigned int)command[4] <<  8) |
117		       ((unsigned int)command[5]      ),
118		       ((unsigned int)command[7] <<  8) |
119		       ((unsigned int)command[8]      )
120		       );
121		break;
122	case 12:
123		printk("LBA=%d len=%d",
124		       ((unsigned int)command[2] << 24) |
125		       ((unsigned int)command[3] << 16) |
126		       ((unsigned int)command[4] <<  8) |
127		       ((unsigned int)command[5]      ),
128		       ((unsigned int)command[6] << 24) |
129		       ((unsigned int)command[7] << 16) |
130		       ((unsigned int)command[8] <<  8) |
131		       ((unsigned int)command[9]      )
132		       );
133		break;
134	default:
135		break;
136	}
137	printk("\n");
138}
139
140static void show_command(Scsi_Cmnd *SCpnt)
141{
142	print_commandk(SCpnt->cmnd);
143}
144
145static void show_busphase(unsigned char stat)
146{
147	switch(stat) {
148	case BUSPHASE_COMMAND:
149		printk( "BUSPHASE_COMMAND\n");
150		break;
151	case BUSPHASE_MESSAGE_IN:
152		printk( "BUSPHASE_MESSAGE_IN\n");
153		break;
154	case BUSPHASE_MESSAGE_OUT:
155		printk( "BUSPHASE_MESSAGE_OUT\n");
156		break;
157	case BUSPHASE_DATA_IN:
158		printk( "BUSPHASE_DATA_IN\n");
159		break;
160	case BUSPHASE_DATA_OUT:
161		printk( "BUSPHASE_DATA_OUT\n");
162		break;
163	case BUSPHASE_STATUS:
164		printk( "BUSPHASE_STATUS\n");
165		break;
166	case BUSPHASE_SELECT:
167		printk( "BUSPHASE_SELECT\n");
168		break;
169	default:
170		printk( "BUSPHASE_other: 0x%x\n", stat);
171		break;
172	}
173}
174
175static void show_autophase(unsigned short i)
176{
177	printk("auto: 0x%x,", i);
178
179	if(i & COMMAND_PHASE) {
180		printk(" cmd");
181	}
182	if(i & DATA_IN_PHASE) {
183		printk(" din");
184	}
185	if(i & DATA_OUT_PHASE) {
186		printk(" dout");
187	}
188	if(i & MSGOUT_PHASE) {
189		printk(" mout");
190	}
191	if(i & STATUS_PHASE) {
192		printk(" stat");
193	}
194	if(i & ILLEGAL_PHASE) {
195		printk(" ill");
196	}
197	if(i & BUS_FREE_OCCUER) {
198		printk(" bfree-o");
199	}
200	if(i & MSG_IN_OCCUER) {
201		printk(" min-o");
202	}
203	if(i & MSG_OUT_OCCUER) {
204		printk(" mout-o");
205	}
206	if(i & SELECTION_TIMEOUT) {
207		printk(" sel");
208	}
209	if(i & MSGIN_00_VALID) {
210		printk(" m0");
211	}
212	if(i & MSGIN_02_VALID) {
213		printk(" m2");
214	}
215	if(i & MSGIN_03_VALID) {
216		printk(" m3");
217	}
218	if(i & MSGIN_04_VALID) {
219		printk(" m4");
220	}
221	if(i & AUTOSCSI_BUSY) {
222		printk(" busy");
223	}
224
225	printk("\n");
226}
227
228static void nsp32_print_register(int base)
229{
230	if (!(NSP32_DEBUG_MASK & NSP32_SPECIAL_PRINT_REGISTER))
231		return;
232
233	printk("Phase=0x%x, ", nsp32_read1(base, SCSI_BUS_MONITOR));
234	printk("OldPhase=0x%x, ", nsp32_index_read1(base, OLD_SCSI_PHASE));
235	printk("syncreg=0x%x, ", nsp32_read1(base, SYNC_REG));
236	printk("ackwidth=0x%x, ", nsp32_read1(base, ACK_WIDTH));
237	printk("sgtpaddr=0x%lx, ", nsp32_read4(base, SGT_ADR));
238	printk("scsioutlatch=0x%x, ", nsp32_read1(base, SCSI_OUT_LATCH_TARGET_ID));
239	printk("msgout=0x%lx, ", nsp32_read4(base, SCSI_MSG_OUT));
240	printk("miscrd=0x%x, ", nsp32_index_read2(base, MISC_WR));
241	printk("seltimeout=0x%x, ", nsp32_read2(base, SEL_TIME_OUT));
242	printk("sreqrate=0x%x, ", nsp32_read1(base, SREQ_SMPL_RATE));
243	printk("transStatus=0x%x, ", nsp32_read2(base, TRANSFER_STATUS));
244	printk("reselectid=0x%x, ", nsp32_read2(base, COMMAND_CONTROL));
245	printk("arbit=0x%x, ", nsp32_read1(base, ARBIT_STATUS));
246	printk("BmStart=0x%lx, ", nsp32_read4(base, BM_START_ADR));
247	printk("BmCount=0x%lx, ", nsp32_read4(base, BM_CNT));
248	printk("SackCnt=0x%lx, ", nsp32_read4(base, SACK_CNT));
249	printk("SReqCnt=0x%lx, ", nsp32_read4(base, SREQ_CNT));
250	printk("SavedSackCnt=0x%lx, ", nsp32_read4(base, SAVED_SACK_CNT));
251	printk("ScsiBusControl=0x%x, ", nsp32_read1(base, SCSI_BUS_CONTROL));
252	printk("FifoRestCnt=0x%x, ", nsp32_read2(base, FIFO_REST_CNT));
253	printk("CdbIn=0x%x, ", nsp32_read1(base, SCSI_CSB_IN));
254	printk("\n");
255
256	if (0) {
257		printk("execph=0x%x, ", nsp32_read2(base, SCSI_EXECUTE_PHASE));
258		printk("IrqStatus=0x%x, ", nsp32_read2(base, IRQ_STATUS));
259		printk("\n");
260	}
261}
262
263/* end */
264