1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Workbit NinjaSCSI-32Bi/UDE PCI/CardBus SCSI Host Bus Adapter driver
4 * Basic data header
5*/
6
7#ifndef _NSP32_H
8#define _NSP32_H
9
10//#define NSP32_DEBUG 9
11
12/*
13 * VENDOR/DEVICE ID
14 */
15#define PCI_VENDOR_ID_IODATA 0x10fc
16#define PCI_VENDOR_ID_WORKBIT 0x1145
17
18#define PCI_DEVICE_ID_NINJASCSI_32BI_CBSC_II 0x0005
19#define PCI_DEVICE_ID_NINJASCSI_32BI_KME 0xf007
20#define PCI_DEVICE_ID_NINJASCSI_32BI_WBT 0x8007
21#define PCI_DEVICE_ID_WORKBIT_STANDARD 0xf010
22#define PCI_DEVICE_ID_WORKBIT_DUALEDGE 0xf011
23#define PCI_DEVICE_ID_NINJASCSI_32BI_LOGITEC 0xf012
24#define PCI_DEVICE_ID_NINJASCSI_32BIB_LOGITEC 0xf013
25#define PCI_DEVICE_ID_NINJASCSI_32UDE_MELCO 0xf015
26#define PCI_DEVICE_ID_NINJASCSI_32UDE_MELCO_II 0x8009
27
28/*
29 * MODEL
30 */
31enum {
32 MODEL_IODATA = 0,
33 MODEL_KME = 1,
34 MODEL_WORKBIT = 2,
35 MODEL_LOGITEC = 3,
36 MODEL_PCI_WORKBIT = 4,
37 MODEL_PCI_LOGITEC = 5,
38 MODEL_PCI_MELCO = 6,
39};
40
41static char * nsp32_model[] = {
42 "I-O DATA CBSC-II CardBus card",
43 "KME SCSI CardBus card",
44 "Workbit duo SCSI CardBus card",
45 "Logitec CardBus card with external ROM",
46 "Workbit / I-O DATA PCI card",
47 "Logitec PCI card with external ROM",
48 "Melco CardBus/PCI card with external ROM",
49};
50
51
52/*
53 * SCSI Generic Definitions
54 */
55#define EXTENDED_SDTR_LEN 0x03
56
57/* Little Endian */
58typedef u32 u32_le;
59typedef u16 u16_le;
60
61/*
62 * BASIC Definitions
63 */
64#ifndef TRUE
65# define TRUE 1
66#endif
67#ifndef FALSE
68# define FALSE 0
69#endif
70#define ASSERT 1
71#define NEGATE 0
72
73
74/*******************/
75/* normal register */
76/*******************/
77/*
78 * Don't access below register with Double Word:
79 * +00, +04, +08, +0c, +64, +80, +84, +88, +90, +c4, +c8, +cc, +d0.
80 */
81#define IRQ_CONTROL 0x00 /* BASE+00, W, W */
82#define IRQ_STATUS 0x00 /* BASE+00, W, R */
83# define IRQSTATUS_LATCHED_MSG BIT(0)
84# define IRQSTATUS_LATCHED_IO BIT(1)
85# define IRQSTATUS_LATCHED_CD BIT(2)
86# define IRQSTATUS_LATCHED_BUS_FREE BIT(3)
87# define IRQSTATUS_RESELECT_OCCUER BIT(4)
88# define IRQSTATUS_PHASE_CHANGE_IRQ BIT(5)
89# define IRQSTATUS_SCSIRESET_IRQ BIT(6)
90# define IRQSTATUS_TIMER_IRQ BIT(7)
91# define IRQSTATUS_FIFO_SHLD_IRQ BIT(8)
92# define IRQSTATUS_PCI_IRQ BIT(9)
93# define IRQSTATUS_BMCNTERR_IRQ BIT(10)
94# define IRQSTATUS_AUTOSCSI_IRQ BIT(11)
95# define PCI_IRQ_MASK BIT(12)
96# define TIMER_IRQ_MASK BIT(13)
97# define FIFO_IRQ_MASK BIT(14)
98# define SCSI_IRQ_MASK BIT(15)
99# define IRQ_CONTROL_ALL_IRQ_MASK (PCI_IRQ_MASK | \
100 TIMER_IRQ_MASK | \
101 FIFO_IRQ_MASK | \
102 SCSI_IRQ_MASK )
103# define IRQSTATUS_ANY_IRQ (IRQSTATUS_RESELECT_OCCUER | \
104 IRQSTATUS_PHASE_CHANGE_IRQ | \
105 IRQSTATUS_SCSIRESET_IRQ | \
106 IRQSTATUS_TIMER_IRQ | \
107 IRQSTATUS_FIFO_SHLD_IRQ | \
108 IRQSTATUS_PCI_IRQ | \
109 IRQSTATUS_BMCNTERR_IRQ | \
110 IRQSTATUS_AUTOSCSI_IRQ )
111
112#define TRANSFER_CONTROL 0x02 /* BASE+02, W, W */
113#define TRANSFER_STATUS 0x02 /* BASE+02, W, R */
114# define CB_MMIO_MODE BIT(0)
115# define CB_IO_MODE BIT(1)
116# define BM_TEST BIT(2)
117# define BM_TEST_DIR BIT(3)
118# define DUAL_EDGE_ENABLE BIT(4)
119# define NO_TRANSFER_TO_HOST BIT(5)
120# define TRANSFER_GO BIT(7)
121# define BLIEND_MODE BIT(8)
122# define BM_START BIT(9)
123# define ADVANCED_BM_WRITE BIT(10)
124# define BM_SINGLE_MODE BIT(11)
125# define FIFO_TRUE_FULL BIT(12)
126# define FIFO_TRUE_EMPTY BIT(13)
127# define ALL_COUNTER_CLR BIT(14)
128# define FIFOTEST BIT(15)
129
130#define INDEX_REG 0x04 /* BASE+04, Byte(R/W), Word(R) */
131
132#define TIMER_SET 0x06 /* BASE+06, W, R/W */
133# define TIMER_CNT_MASK (0xff)
134# define TIMER_STOP BIT(8)
135
136#define DATA_REG_LOW 0x08 /* BASE+08, LowW, R/W */
137#define DATA_REG_HI 0x0a /* BASE+0a, Hi-W, R/W */
138
139#define FIFO_REST_CNT 0x0c /* BASE+0c, W, R/W */
140# define FIFO_REST_MASK 0x1ff
141# define FIFO_EMPTY_SHLD_FLAG BIT(14)
142# define FIFO_FULL_SHLD_FLAG BIT(15)
143
144#define SREQ_SMPL_RATE 0x0f /* BASE+0f, B, R/W */
145# define SREQSMPLRATE_RATE0 BIT(0)
146# define SREQSMPLRATE_RATE1 BIT(1)
147# define SAMPLING_ENABLE BIT(2)
148# define SMPL_40M (0) /* 40MHz: 0-100ns/period */
149# define SMPL_20M (SREQSMPLRATE_RATE0) /* 20MHz: 100-200ns/period */
150# define SMPL_10M (SREQSMPLRATE_RATE1) /* 10Mhz: 200- ns/period */
151
152#define SCSI_BUS_CONTROL 0x10 /* BASE+10, B, R/W */
153# define BUSCTL_SEL BIT(0)
154# define BUSCTL_RST BIT(1)
155# define BUSCTL_DATAOUT_ENB BIT(2)
156# define BUSCTL_ATN BIT(3)
157# define BUSCTL_ACK BIT(4)
158# define BUSCTL_BSY BIT(5)
159# define AUTODIRECTION BIT(6)
160# define ACKENB BIT(7)
161
162#define CLR_COUNTER 0x12 /* BASE+12, B, W */
163# define ACK_COUNTER_CLR BIT(0)
164# define SREQ_COUNTER_CLR BIT(1)
165# define FIFO_HOST_POINTER_CLR BIT(2)
166# define FIFO_REST_COUNT_CLR BIT(3)
167# define BM_COUNTER_CLR BIT(4)
168# define SAVED_ACK_CLR BIT(5)
169# define CLRCOUNTER_ALLMASK (ACK_COUNTER_CLR | \
170 SREQ_COUNTER_CLR | \
171 FIFO_HOST_POINTER_CLR | \
172 FIFO_REST_COUNT_CLR | \
173 BM_COUNTER_CLR | \
174 SAVED_ACK_CLR )
175
176#define SCSI_BUS_MONITOR 0x12 /* BASE+12, B, R */
177# define BUSMON_MSG BIT(0)
178# define BUSMON_IO BIT(1)
179# define BUSMON_CD BIT(2)
180# define BUSMON_BSY BIT(3)
181# define BUSMON_ACK BIT(4)
182# define BUSMON_REQ BIT(5)
183# define BUSMON_SEL BIT(6)
184# define BUSMON_ATN BIT(7)
185
186#define COMMAND_DATA 0x14 /* BASE+14, B, R/W */
187
188#define PARITY_CONTROL 0x16 /* BASE+16, B, W */
189# define PARITY_CHECK_ENABLE BIT(0)
190# define PARITY_ERROR_CLEAR BIT(1)
191#define PARITY_STATUS 0x16 /* BASE+16, B, R */
192//# define PARITY_CHECK_ENABLE BIT(0)
193# define PARITY_ERROR_NORMAL BIT(1)
194# define PARITY_ERROR_LSB BIT(1)
195# define PARITY_ERROR_MSB BIT(2)
196
197#define RESELECT_ID 0x18 /* BASE+18, B, R */
198
199#define COMMAND_CONTROL 0x18 /* BASE+18, W, W */
200# define CLEAR_CDB_FIFO_POINTER BIT(0)
201# define AUTO_COMMAND_PHASE BIT(1)
202# define AUTOSCSI_START BIT(2)
203# define AUTOSCSI_RESTART BIT(3)
204# define AUTO_PARAMETER BIT(4)
205# define AUTO_ATN BIT(5)
206# define AUTO_MSGIN_00_OR_04 BIT(6)
207# define AUTO_MSGIN_02 BIT(7)
208# define AUTO_MSGIN_03 BIT(8)
209
210#define SET_ARBIT 0x1a /* BASE+1a, B, W */
211# define ARBIT_GO BIT(0)
212# define ARBIT_CLEAR BIT(1)
213
214#define ARBIT_STATUS 0x1a /* BASE+1a, B, R */
215//# define ARBIT_GO BIT(0)
216# define ARBIT_WIN BIT(1)
217# define ARBIT_FAIL BIT(2)
218# define AUTO_PARAMETER_VALID BIT(3)
219# define SGT_VALID BIT(4)
220
221#define SYNC_REG 0x1c /* BASE+1c, B, R/W */
222
223#define ACK_WIDTH 0x1d /* BASE+1d, B, R/W */
224
225#define SCSI_DATA_WITH_ACK 0x20 /* BASE+20, B, R/W */
226#define SCSI_OUT_LATCH_TARGET_ID 0x22 /* BASE+22, B, W */
227#define SCSI_DATA_IN 0x22 /* BASE+22, B, R */
228
229#define SCAM_CONTROL 0x24 /* BASE+24, B, W */
230#define SCAM_STATUS 0x24 /* BASE+24, B, R */
231# define SCAM_MSG BIT(0)
232# define SCAM_IO BIT(1)
233# define SCAM_CD BIT(2)
234# define SCAM_BSY BIT(3)
235# define SCAM_SEL BIT(4)
236# define SCAM_XFEROK BIT(5)
237
238#define SCAM_DATA 0x26 /* BASE+26, B, R/W */
239# define SD0 BIT(0)
240# define SD1 BIT(1)
241# define SD2 BIT(2)
242# define SD3 BIT(3)
243# define SD4 BIT(4)
244# define SD5 BIT(5)
245# define SD6 BIT(6)
246# define SD7 BIT(7)
247
248#define SACK_CNT 0x28 /* BASE+28, DW, R/W */
249#define SREQ_CNT 0x2c /* BASE+2c, DW, R/W */
250
251#define FIFO_DATA_LOW 0x30 /* BASE+30, B/W/DW, R/W */
252#define FIFO_DATA_HIGH 0x32 /* BASE+32, B/W, R/W */
253#define BM_START_ADR 0x34 /* BASE+34, DW, R/W */
254
255#define BM_CNT 0x38 /* BASE+38, DW, R/W */
256# define BM_COUNT_MASK 0x0001ffffUL
257# define SGTEND BIT(31) /* Last SGT marker */
258
259#define SGT_ADR 0x3c /* BASE+3c, DW, R/W */
260#define WAIT_REG 0x40 /* Bi only */
261
262#define SCSI_EXECUTE_PHASE 0x40 /* BASE+40, W, R */
263# define COMMAND_PHASE BIT(0)
264# define DATA_IN_PHASE BIT(1)
265# define DATA_OUT_PHASE BIT(2)
266# define MSGOUT_PHASE BIT(3)
267# define STATUS_PHASE BIT(4)
268# define ILLEGAL_PHASE BIT(5)
269# define BUS_FREE_OCCUER BIT(6)
270# define MSG_IN_OCCUER BIT(7)
271# define MSG_OUT_OCCUER BIT(8)
272# define SELECTION_TIMEOUT BIT(9)
273# define MSGIN_00_VALID BIT(10)
274# define MSGIN_02_VALID BIT(11)
275# define MSGIN_03_VALID BIT(12)
276# define MSGIN_04_VALID BIT(13)
277# define AUTOSCSI_BUSY BIT(15)
278
279#define SCSI_CSB_IN 0x42 /* BASE+42, B, R */
280
281#define SCSI_MSG_OUT 0x44 /* BASE+44, DW, R/W */
282# define MSGOUT_COUNT_MASK (BIT(0)|BIT(1))
283# define MV_VALID BIT(7)
284
285#define SEL_TIME_OUT 0x48 /* BASE+48, W, R/W */
286#define SAVED_SACK_CNT 0x4c /* BASE+4c, DW, R */
287
288#define HTOSDATADELAY 0x50 /* BASE+50, B, R/W */
289#define STOHDATADELAY 0x54 /* BASE+54, B, R/W */
290#define ACKSUMCHECKRD 0x58 /* BASE+58, W, R */
291#define REQSUMCHECKRD 0x5c /* BASE+5c, W, R */
292
293
294/********************/
295/* indexed register */
296/********************/
297
298#define CLOCK_DIV 0x00 /* BASE+08, IDX+00, B, R/W */
299# define CLOCK_2 BIT(0) /* MCLK/2 */
300# define CLOCK_4 BIT(1) /* MCLK/4 */
301# define PCICLK BIT(7) /* PCICLK (33MHz) */
302
303#define TERM_PWR_CONTROL 0x01 /* BASE+08, IDX+01, B, R/W */
304# define BPWR BIT(0)
305# define SENSE BIT(1) /* Read Only */
306
307#define EXT_PORT_DDR 0x02 /* BASE+08, IDX+02, B, R/W */
308#define EXT_PORT 0x03 /* BASE+08, IDX+03, B, R/W */
309# define LED_ON (0)
310# define LED_OFF BIT(0)
311
312#define IRQ_SELECT 0x04 /* BASE+08, IDX+04, W, R/W */
313# define IRQSELECT_RESELECT_IRQ BIT(0)
314# define IRQSELECT_PHASE_CHANGE_IRQ BIT(1)
315# define IRQSELECT_SCSIRESET_IRQ BIT(2)
316# define IRQSELECT_TIMER_IRQ BIT(3)
317# define IRQSELECT_FIFO_SHLD_IRQ BIT(4)
318# define IRQSELECT_TARGET_ABORT_IRQ BIT(5)
319# define IRQSELECT_MASTER_ABORT_IRQ BIT(6)
320# define IRQSELECT_SERR_IRQ BIT(7)
321# define IRQSELECT_PERR_IRQ BIT(8)
322# define IRQSELECT_BMCNTERR_IRQ BIT(9)
323# define IRQSELECT_AUTO_SCSI_SEQ_IRQ BIT(10)
324
325#define OLD_SCSI_PHASE 0x05 /* BASE+08, IDX+05, B, R */
326# define OLD_MSG BIT(0)
327# define OLD_IO BIT(1)
328# define OLD_CD BIT(2)
329# define OLD_BUSY BIT(3)
330
331#define FIFO_FULL_SHLD_COUNT 0x06 /* BASE+08, IDX+06, B, R/W */
332#define FIFO_EMPTY_SHLD_COUNT 0x07 /* BASE+08, IDX+07, B, R/W */
333
334#define EXP_ROM_CONTROL 0x08 /* BASE+08, IDX+08, B, R/W */ /* external ROM control */
335# define ROM_WRITE_ENB BIT(0)
336# define IO_ACCESS_ENB BIT(1)
337# define ROM_ADR_CLEAR BIT(2)
338
339#define EXP_ROM_ADR 0x09 /* BASE+08, IDX+09, W, R/W */
340
341#define EXP_ROM_DATA 0x0a /* BASE+08, IDX+0a, B, R/W */
342
343#define CHIP_MODE 0x0b /* BASE+08, IDX+0b, B, R */ /* NinjaSCSI-32Bi only */
344# define OEM0 BIT(1) /* OEM select */ /* 00=I-O DATA, 01=KME, 10=Workbit, 11=Ext ROM */
345# define OEM1 BIT(2) /* OEM select */
346# define OPTB BIT(3) /* KME mode select */
347# define OPTC BIT(4) /* KME mode select */
348# define OPTD BIT(5) /* KME mode select */
349# define OPTE BIT(6) /* KME mode select */
350# define OPTF BIT(7) /* Power management */
351
352#define MISC_WR 0x0c /* BASE+08, IDX+0c, W, R/W */
353#define MISC_RD 0x0c
354# define SCSI_DIRECTION_DETECTOR_SELECT BIT(0)
355# define SCSI2_HOST_DIRECTION_VALID BIT(1) /* Read only */
356# define HOST2_SCSI_DIRECTION_VALID BIT(2) /* Read only */
357# define DELAYED_BMSTART BIT(3)
358# define MASTER_TERMINATION_SELECT BIT(4)
359# define BMREQ_NEGATE_TIMING_SEL BIT(5)
360# define AUTOSEL_TIMING_SEL BIT(6)
361# define MISC_MABORT_MASK BIT(7)
362# define BMSTOP_CHANGE2_NONDATA_PHASE BIT(8)
363
364#define BM_CYCLE 0x0d /* BASE+08, IDX+0d, B, R/W */
365# define BM_CYCLE0 BIT(0)
366# define BM_CYCLE1 BIT(1)
367# define BM_FRAME_ASSERT_TIMING BIT(2)
368# define BM_IRDY_ASSERT_TIMING BIT(3)
369# define BM_SINGLE_BUS_MASTER BIT(4)
370# define MEMRD_CMD0 BIT(5)
371# define SGT_AUTO_PARA_MEMED_CMD BIT(6)
372# define MEMRD_CMD1 BIT(7)
373
374
375#define SREQ_EDGH 0x0e /* BASE+08, IDX+0e, B, W */
376# define SREQ_EDGH_SELECT BIT(0)
377
378#define UP_CNT 0x0f /* BASE+08, IDX+0f, B, W */
379# define REQCNT_UP BIT(0)
380# define ACKCNT_UP BIT(1)
381# define BMADR_UP BIT(4)
382# define BMCNT_UP BIT(5)
383# define SGT_CNT_UP BIT(7)
384
385#define CFG_CMD_STR 0x10 /* BASE+08, IDX+10, W, R */
386#define CFG_LATE_CACHE 0x11 /* BASE+08, IDX+11, W, R/W */
387#define CFG_BASE_ADR_1 0x12 /* BASE+08, IDX+12, W, R */
388#define CFG_BASE_ADR_2 0x13 /* BASE+08, IDX+13, W, R */
389#define CFG_INLINE 0x14 /* BASE+08, IDX+14, W, R */
390
391#define SERIAL_ROM_CTL 0x15 /* BASE+08, IDX+15, B, R */
392# define SCL BIT(0)
393# define ENA BIT(1)
394# define SDA BIT(2)
395
396#define FIFO_HST_POINTER 0x16 /* BASE+08, IDX+16, B, R/W */
397#define SREQ_DELAY 0x17 /* BASE+08, IDX+17, B, R/W */
398#define SACK_DELAY 0x18 /* BASE+08, IDX+18, B, R/W */
399#define SREQ_NOISE_CANCEL 0x19 /* BASE+08, IDX+19, B, R/W */
400#define SDP_NOISE_CANCEL 0x1a /* BASE+08, IDX+1a, B, R/W */
401#define DELAY_TEST 0x1b /* BASE+08, IDX+1b, B, R/W */
402#define SD0_NOISE_CANCEL 0x20 /* BASE+08, IDX+20, B, R/W */
403#define SD1_NOISE_CANCEL 0x21 /* BASE+08, IDX+21, B, R/W */
404#define SD2_NOISE_CANCEL 0x22 /* BASE+08, IDX+22, B, R/W */
405#define SD3_NOISE_CANCEL 0x23 /* BASE+08, IDX+23, B, R/W */
406#define SD4_NOISE_CANCEL 0x24 /* BASE+08, IDX+24, B, R/W */
407#define SD5_NOISE_CANCEL 0x25 /* BASE+08, IDX+25, B, R/W */
408#define SD6_NOISE_CANCEL 0x26 /* BASE+08, IDX+26, B, R/W */
409#define SD7_NOISE_CANCEL 0x27 /* BASE+08, IDX+27, B, R/W */
410
411
412/*
413 * Useful Bus Monitor status combinations.
414 */
415#define BUSMON_BUS_FREE 0
416#define BUSMON_COMMAND ( BUSMON_BSY | BUSMON_CD | BUSMON_REQ )
417#define BUSMON_MESSAGE_IN ( BUSMON_BSY | BUSMON_MSG | BUSMON_IO | BUSMON_CD | BUSMON_REQ )
418#define BUSMON_MESSAGE_OUT ( BUSMON_BSY | BUSMON_MSG | BUSMON_CD | BUSMON_REQ )
419#define BUSMON_DATA_IN ( BUSMON_BSY | BUSMON_IO | BUSMON_REQ )
420#define BUSMON_DATA_OUT ( BUSMON_BSY | BUSMON_REQ )
421#define BUSMON_STATUS ( BUSMON_BSY | BUSMON_IO | BUSMON_CD | BUSMON_REQ )
422#define BUSMON_RESELECT ( BUSMON_IO | BUSMON_SEL)
423#define BUSMON_PHASE_MASK ( BUSMON_MSG | BUSMON_IO | BUSMON_CD | BUSMON_SEL)
424
425#define BUSPHASE_COMMAND ( BUSMON_COMMAND & BUSMON_PHASE_MASK )
426#define BUSPHASE_MESSAGE_IN ( BUSMON_MESSAGE_IN & BUSMON_PHASE_MASK )
427#define BUSPHASE_MESSAGE_OUT ( BUSMON_MESSAGE_OUT & BUSMON_PHASE_MASK )
428#define BUSPHASE_DATA_IN ( BUSMON_DATA_IN & BUSMON_PHASE_MASK )
429#define BUSPHASE_DATA_OUT ( BUSMON_DATA_OUT & BUSMON_PHASE_MASK )
430#define BUSPHASE_STATUS ( BUSMON_STATUS & BUSMON_PHASE_MASK )
431#define BUSPHASE_SELECT ( BUSMON_SEL | BUSMON_IO )
432
433
434/************************************************************************
435 * structure for DMA/Scatter Gather list
436 */
437#define NSP32_SG_SIZE SG_ALL
438
439typedef struct _nsp32_sgtable {
440 /* values must be little endian */
441 u32_le addr; /* transfer address */
442 u32_le len; /* transfer length. BIT(31) is for SGT_END mark */
443} __attribute__ ((packed)) nsp32_sgtable;
444
445typedef struct _nsp32_sglun {
446 nsp32_sgtable sgt[NSP32_SG_SIZE+1]; /* SG table */
447} __attribute__ ((packed)) nsp32_sglun;
448#define NSP32_SG_TABLE_SIZE (sizeof(nsp32_sgtable) * NSP32_SG_SIZE * MAX_TARGET * MAX_LUN)
449
450/* Auto parameter mode memory map. */
451/* All values must be little endian. */
452typedef struct _nsp32_autoparam {
453 u8 cdb[4 * 0x10]; /* SCSI Command */
454 u32_le msgout; /* outgoing messages */
455 u8 syncreg; /* sync register value */
456 u8 ackwidth; /* ack width register value */
457 u8 target_id; /* target/host device id */
458 u8 sample_reg; /* hazard killer sampling rate */
459 u16_le command_control; /* command control register */
460 u16_le transfer_control; /* transfer control register */
461 u32_le sgt_pointer; /* SG table physical address for DMA */
462 u32_le dummy[2];
463} __attribute__ ((packed)) nsp32_autoparam; /* must be packed struct */
464
465/*
466 * host data structure
467 */
468/* message in/out buffer */
469#define MSGOUTBUF_MAX 20
470#define MSGINBUF_MAX 20
471
472/* flag for trans_method */
473#define NSP32_TRANSFER_BUSMASTER BIT(0)
474#define NSP32_TRANSFER_MMIO BIT(1) /* Not supported yet */
475#define NSP32_TRANSFER_PIO BIT(2) /* Not supported yet */
476
477
478/*
479 * structure for connected LUN dynamic data
480 *
481 * Note: Currently tagged queuing is disabled, each nsp32_lunt holds
482 * one SCSI command and one state.
483 */
484#define DISCPRIV_OK BIT(0) /* DISCPRIV Enable mode */
485#define MSGIN03 BIT(1) /* Auto Msg In 03 Flag */
486
487typedef struct _nsp32_lunt {
488 struct scsi_cmnd *SCpnt; /* Current Handling struct scsi_cmnd */
489 unsigned long save_datp; /* Save Data Pointer - saved position from initial address */
490 int msgin03; /* auto msg in 03 flag */
491 unsigned int sg_num; /* Total number of SG entries */
492 int cur_entry; /* Current SG entry number */
493 nsp32_sglun *sglun; /* sg table per lun */
494 dma_addr_t sglun_paddr; /* sglun physical address */
495} nsp32_lunt;
496
497
498/*
499 * SCSI TARGET/LUN definition
500 */
501#define NSP32_HOST_SCSIID 7 /* SCSI initiator is every time defined as 7 */
502#define MAX_TARGET 8
503#define MAX_LUN 8 /* XXX: In SPI3, max number of LUN is 64. */
504
505
506typedef struct _nsp32_sync_table {
507 unsigned char period_num; /* period number */
508 unsigned char ackwidth; /* ack width designated by period */
509 unsigned char start_period; /* search range - start period */
510 unsigned char end_period; /* search range - end period */
511 unsigned char sample_rate; /* hazard killer parameter */
512} nsp32_sync_table;
513
514
515/*
516 * structure for target device static data
517 */
518/* flag for nsp32_target.sync_flag */
519#define SDTR_INITIATOR BIT(0) /* sending SDTR from initiator */
520#define SDTR_TARGET BIT(1) /* sending SDTR from target */
521#define SDTR_DONE BIT(2) /* exchanging SDTR has been processed */
522
523/* syncronous period value for nsp32_target.config_max */
524#define FAST5M 0x32
525#define FAST10M 0x19
526#define ULTRA20M 0x0c
527
528/* flag for nsp32_target.{sync_offset}, period */
529#define ASYNC_OFFSET 0 /* asynchronous transfer */
530#define SYNC_OFFSET 0xf /* synchronous transfer max offset */
531
532/* syncreg:
533 bit:07 06 05 04 03 02 01 00
534 ---PERIOD-- ---OFFSET-- */
535#define TO_SYNCREG(period, offset) (((period) & 0x0f) << 4 | ((offset) & 0x0f))
536
537struct nsp32_cmd_priv {
538 enum sam_status status;
539};
540
541static inline struct nsp32_cmd_priv *nsp32_priv(struct scsi_cmnd *cmd)
542{
543 return scsi_cmd_priv(cmd);
544}
545
546typedef struct _nsp32_target {
547 unsigned char syncreg; /* value for SYNCREG */
548 unsigned char ackwidth; /* value for ACKWIDTH */
549 unsigned char period; /* sync period (0-255) */
550 unsigned char offset; /* sync offset (0-15) */
551 int sync_flag; /* SDTR_*, 0 */
552 int limit_entry; /* max speed limit entry designated
553 by EEPROM configuration */
554 unsigned char sample_reg; /* SREQ hazard killer register */
555} nsp32_target;
556
557typedef struct _nsp32_hw_data {
558 int IrqNumber;
559 int BaseAddress;
560 int NumAddress;
561 void __iomem *MmioAddress;
562#define NSP32_MMIO_OFFSET 0x0800
563 unsigned long MmioLength;
564
565 struct scsi_cmnd *CurrentSC;
566
567 struct pci_dev *Pci;
568 const struct pci_device_id *pci_devid;
569 struct Scsi_Host *Host;
570 spinlock_t Lock;
571
572 char info_str[100];
573
574 /* allocated memory region */
575 nsp32_sglun *sg_list; /* sglist virtuxal address */
576 dma_addr_t sg_paddr; /* physical address of hw_sg_table */
577 nsp32_autoparam *autoparam; /* auto parameter transfer region */
578 dma_addr_t auto_paddr; /* physical address of autoparam */
579 int cur_entry; /* current sgt entry */
580
581 /* target/LUN */
582 nsp32_lunt *cur_lunt; /* Current connected LUN table */
583 nsp32_lunt lunt[MAX_TARGET][MAX_LUN]; /* All LUN table */
584
585 nsp32_target *cur_target; /* Current connected SCSI ID */
586 nsp32_target target[MAX_TARGET]; /* SCSI ID */
587 int cur_id; /* Current connected target ID */
588 int cur_lun; /* Current connected target LUN */
589
590 /* behavior setting parameters */
591 int trans_method; /* transfer method flag */
592 int resettime; /* Reset time */
593 int clock; /* clock dividing flag */
594 nsp32_sync_table *synct; /* sync_table determined by clock */
595 int syncnum; /* the max number of synct element */
596
597 /* message buffer */
598 unsigned char msgoutbuf[MSGOUTBUF_MAX]; /* msgout buffer */
599 char msgout_len; /* msgoutbuf length */
600 unsigned char msginbuf [MSGINBUF_MAX]; /* megin buffer */
601 char msgin_len; /* msginbuf length */
602
603} nsp32_hw_data;
604
605/*
606 * TIME definition
607 */
608#define RESET_HOLD_TIME 10000 /* reset time in us (SCSI-2 says the
609 minimum is 25us) */
610#define SEL_TIMEOUT_TIME 10000 /* 250ms defined in SCSI specification
611 (25.6us/1unit) */
612#define ARBIT_TIMEOUT_TIME 100 /* 100us */
613#define REQSACK_TIMEOUT_TIME 10000 /* max wait time for REQ/SACK assertion
614 or negation, 10000us == 10ms */
615
616#endif /* _NSP32_H */
617/* end */
618

source code of linux/drivers/scsi/nsp32.h