atppcreg.h revision 1.1 1 /*-
2 * Copyright (c) 2001 Alcove - Nicolas Souchu
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: src/sys/isa/ppcreg.h,v 1.10.2.4 2001/10/02 05:21:45 nsouch Exp $
27 *
28 */
29
30 #ifndef __ATPPCREG_H
31 #define __ATPPCREG_H
32
33 /* Generic register definitions as offsets from a base address */
34
35 #define ATPPC_SPP_DTR 0 /* SPP data register */
36 #define ATPPC_ECP_A_FIFO 0 /* ECP Address fifo register */
37 #define ATPPC_SPP_STR 1 /* SPP status register */
38 #define ATPPC_SPP_CTR 2 /* SPP control register */
39 #define ATPPC_EPP_ADDR 3 /* EPP address register (8 bit) */
40 #define ATPPC_EPP_DATA 4 /* EPP data register (8, 16, 32 bit) */
41 #define ATPPC_ECP_D_FIFO 0x400 /* ECP Data fifo register */
42 #define ATPPC_ECP_CNFGA 0x400 /* Configuration register A */
43 #define ATPPC_ECP_CNFGB 0x401 /* Configuration register B */
44 #define ATPPC_ECP_ECR 0x402 /* ECP extended control register */
45
46 /* ECP control register commands/modes */
47 #define ATPPC_FIFO_EMPTY 0x1 /* ecr register - bit 0 */
48 #define ATPPC_FIFO_FULL 0x2 /* ecr register - bit 1 */
49 #define ATPPC_SERVICE_INTR 0x4 /* ecr register - bit 2 */
50 #define ATPPC_ENABLE_DMA 0x8 /* ecr register - bit 3 */
51 #define ATPPC_nFAULT_INTR 0x10 /* ecr register - bit 4 */
52 /* ecr register - bits 5 through 7 */
53 #define ATPPC_ECR_STD 0x00 /* Standard mode */
54 #define ATPPC_ECR_PS2 0x20 /* Bidirectional mode */
55 #define ATPPC_ECR_FIFO 0x40 /* Fast Centronics mode */
56 #define ATPPC_ECR_ECP 0x60 /* ECP mode */
57 #define ATPPC_ECR_EPP 0x80 /* EPP mode */
58 #define ATPPC_ECR_TST 0xd0 /* Test mode*/
59 #define ATPPC_ECR_CFG 0xe0 /* Test mode*/
60
61
62
63 /* To set "inverted" flags, do AND. Otherwise, do OR */
64 /* 0 & x = 0, 1 | x = 1 */
65
66 /* Clear flags: n(var) is equivalent to var = 0.
67 #define n(flags) (~(flags) & (flags))*/
68
69 /* Invert flags
70 #define inv(flags) (~(flags))*/
71
72 /* SPP mode control register bit positions. */
73 #define STROBE 0x01
74 #define AUTOFEED 0x02
75 #define nINIT 0x04
76 #define SELECTIN 0x08
77 #define IRQENABLE 0x10
78 #define PCD 0x20
79
80 /*
81 #define nSTROBE inv(STROBE)
82 #define nAUTOFEED inv(AUTOFEED)
83 #define INIT inv(nINIT)
84 #define nSELECTIN inv(SELECTIN)
85 #define nPCD inv(PCD)
86 */
87
88 /* SPP status register bit positions. */
89 #define TIMEOUT 0x01
90 #define nFAULT 0x08
91 #define SELECT 0x10
92 #define PERROR 0x20
93 #define nACK 0x40
94 #define nBUSY 0x80
95
96 /* Flags indicating ready condition */
97 #define SPP_READY (SELECT | nFAULT | nBUSY)
98 #define SPP_MASK (SELECT | nFAULT | PERROR | nBUSY)
99
100 /* Byte mode signals */
101 #define HOSTCLK STROBE /* Also ECP mode signal */
102 #define HOSTBUSY AUTOFEED
103 #define ACTIVE1284 SELECTIN /* Also ECP mode signal */
104 #define PTRCLK nACK
105 #define PTRBUSY nBUSY
106 #define ACKDATAREQ PERROR
107 #define XFLAG SELECT /* Also ECP mode signal */
108 #define nDATAVAIL nFAULT
109
110 /* ECP mode signals */
111 #define HOSTACK AUTOFEED
112 #define nREVREQ nINIT
113 #define PERICLK nACK
114 #define PERIACK nBUSY
115 #define nACKREV PERROR
116 #define nPERIREQ nFAULT
117
118 /* EPP mode signals */
119 #define nWRITE STROBE
120 #define nDATASTB AUTOFEED
121 #define nADDRSTB SELECTIN
122 #define nWAIT nBUSY
123 #define nRESET nINIT
124 #define nINTR nACK
125
126
127 /*
128 * Useful macros for reading/writing registers.
129 */
130
131 /* Reading macros */
132 #define atppc_r_dtr(atppc) bus_space_read_1((atppc)->sc_iot, (atppc)->sc_ioh, \
133 ATPPC_SPP_DTR)
134 #define atppc_r_str(atppc) bus_space_read_1((atppc)->sc_iot, (atppc)->sc_ioh, \
135 ATPPC_SPP_STR)
136 #define atppc_r_ctr(atppc) bus_space_read_1((atppc)->sc_iot, (atppc)->sc_ioh, \
137 ATPPC_SPP_CTR)
138 #define atppc_r_eppA(atppc) bus_space_read_1((atppc)->sc_iot, (atppc)->sc_ioh,\
139 ATPPC_EPP_ADDR)
140 #define atppc_r_eppD(atppc) bus_space_read_1((atppc)->sc_iot, (atppc)->sc_ioh,\
141 ATPPC_EPP_DATA)
142 #define atppc_r_eppD_multi(atppc, buf, count) bus_space_read_multi_1( \
143 (atppc)->sc_iot, (atppc)->sc_ioh, ATPPC_EPP_DATA, (buf), (count))
144 #define atppc_r_cnfgA(atppc) bus_space_read_1((atppc)->sc_iot, (atppc)->sc_ioh,\
145 ATPPC_ECP_CNFGA)
146 #define atppc_r_cnfgB(atppc) bus_space_read_1((atppc)->sc_iot, (atppc)->sc_ioh,\
147 ATPPC_ECP_CNFGB)
148 #define atppc_r_ecr(atppc) bus_space_read_1((atppc)->sc_iot, (atppc)->sc_ioh, \
149 ATPPC_ECP_ECR)
150 #define atppc_r_fifo(atppc) bus_space_read_1((atppc)->sc_iot, (atppc)->sc_ioh, \
151 ATPPC_ECP_D_FIFO)
152 #define atppc_r_fifo_multi(atppc, buf, count) bus_space_read_multi_1( \
153 (atppc)->sc_iot, (atppc)->sc_ioh, ATPPC_ECP_D_FIFO, (buf), (count))
154
155 /* Writing macros */
156 #define atppc_w_dtr(atppc, byte) bus_space_write_1((atppc)->sc_iot, \
157 (atppc)->sc_ioh, ATPPC_SPP_DTR, (byte))
158 #define atppc_w_str(atppc, byte) bus_space_write_1((atppc)->sc_iot, \
159 (atppc)->sc_ioh, ATPPC_SPP_STR, (byte))
160 #define atppc_w_ctr(atppc, byte) bus_space_write_1((atppc)->sc_iot, \
161 (atppc)->sc_ioh, ATPPC_SPP_CTR, (byte))
162 #define atppc_w_eppA(atppc, byte) bus_space_write_1((atppc)->sc_iot, \
163 (atppc)->sc_ioh, ATPPC_EPP_ADDR, (byte))
164 #define atppc_w_eppD(atppc, byte) bus_space_write_1((atppc)->sc_iot, \
165 (atppc)->sc_ioh, ATPPC_EPP_DATA, (byte))
166 #define atppc_w_eppD_multi(atppc, buf, count) bus_space_write_multi_1( \
167 (atppc)->sc_iot, (atppc)->sc_ioh, ATPPC_EPP_DATA, (buf), (count))
168 #define atppc_w_cnfgA(atppc, byte) bus_space_write_1((atppc)->sc_iot, \
169 (atppc)->sc_ioh, ATPPC_ECP_CNFGA, (byte))
170 #define atppc_w_cnfgB(atppc, byte) bus_space_read_1((atppc)->sc_iot, \
171 (atppc)->sc_ioh, ATPPC_ECP_CNFGB, (byte))
172 #define atppc_w_ecr(atppc, byte) bus_space_write_1((atppc)->sc_iot, \
173 (atppc)->sc_ioh, ATPPC_ECP_ECR, (byte))
174 #define atppc_w_fifo(atppc, byte) bus_space_write_1((atppc)->sc_iot, \
175 (atppc)->sc_ioh, ATPPC_ECP_D_FIFO, (byte))
176 #define atppc_w_fifo_multi(atppc, buf, count) bus_space_write_multi_1( \
177 (atppc)->sc_iot, (atppc)->sc_ioh, ATPPC_ECP_D_FIFO, (buf), (count))
178
179 /* Barrier macros for reads/writes */
180 #define atppc_barrier_r(atppc) bus_space_barrier((atppc)->sc_iot, \
181 (atppc)->sc_ioh, 0, IO_LPTSIZE, BUS_SPACE_BARRIER_READ)
182 #define atppc_barrier_w(atppc) bus_space_barrier((atppc)->sc_iot, \
183 (atppc)->sc_ioh, 0, IO_LPTSIZE, BUS_SPACE_BARRIER_WRITE)
184 #define atppc_barrier(atppc) bus_space_barrier((atppc)->sc_iot, \
185 (atppc)->sc_ioh, 0, IO_LPTSIZE, BUS_SPACE_BARRIER_WRITE | \
186 BUS_SPACE_BARRIER_READ)
187
188 /* These are defined in man pages but don't actually exist for all acrhs */
189 #define atppc_barrier_rr(atppc) bus_space_barrier((atppc)->sc_iot, \
190 (atppc)->sc_ioh, 0, IO_LPTSIZE, BUS_SPACE_BARRIER_READ_BEFORE_READ)
191 #define atppc_barrier_rw(atppc) bus_space_barrier((atppc)->sc_iot, \
192 (atppc)->sc_ioh, 0, IO_LPTSIZE, BUS_SPACE_BARRIER_READ_BEFORE_WRITE)
193 #define atppc_barrier_rb(atppc) bus_space_barrier((atppc)->sc_iot, \
194 (atppc)->sc_ioh, 0, IO_LPTSIZE, BUS_SPACE_BARRIER_READ_BEFORE_READ | \
195 BUS_SPACE_BARRIER_READ_BEFORE_WRITE)
196 #define atppc_barrier_wr(atppc) bus_space_barrier((atppc)->sc_iot, \
197 (atppc)->sc_ioh, 0, IO_LPTSIZE, BUS_SPACE_BARRIER_WRITE_BEFORE_READ)
198 #define atppc_barrier_ww(atppc) bus_space_barrier((atppc)->sc_iot, \
199 (atppc)->sc_ioh, 0, IO_LPTSIZE, BUS_SPACE_BARRIER_WRITE_BEFORE_WRITE)
200 #define atppc_barrier_wb(atppc) bus_space_barrier((atppc)->sc_iot, \
201 (atppc)->sc_ioh, 0, IO_LPTSIZE, BUS_SPACE_BARRIER_WRITE_BEFORE_READ | \
202 BUS_SPACE_BARRIER_WRITE_BEFORE_WRITE)
203 #define atppc_barrier_sync(atppc) bus_space_barrier((atppc)->sc_iot, \
204 (atppc)->sc_ioh, 0, IO_LPTSIZE, BUS_SPACE_BARRIER_SYNC)
205
206 /*
207 * Register defines for the PC873xx parts
208 */
209
210 #define PC873_FER 0x00
211 #define PC873_PPENABLE (1<<0)
212 #define PC873_FAR 0x01
213 #define PC873_PTR 0x02
214 #define PC873_CFGLOCK (1<<6)
215 #define PC873_EPPRDIR (1<<7)
216 #define PC873_EXTENDED (1<<7)
217 #define PC873_LPTBIRQ7 (1<<3)
218 #define PC873_FCR 0x03
219 #define PC873_ZWS (1<<5)
220 #define PC873_ZWSPWDN (1<<6)
221 #define PC873_PCR 0x04
222 #define PC873_EPPEN (1<<0)
223 #define PC873_EPP19 (1<<1)
224 #define PC873_ECPEN (1<<2)
225 #define PC873_ECPCLK (1<<3)
226 #define PC873_PMC 0x06
227 #define PC873_TUP 0x07
228 #define PC873_SID 0x08
229 #define PC873_PNP0 0x1b
230 #define PC873_PNP1 0x1c
231 #define PC873_LPTBA 0x19
232
233 /*
234 * Register defines for the SMC FDC37C66xGT parts
235 */
236
237 /* Init codes */
238 #define SMC665_iCODE 0x55
239 #define SMC666_iCODE 0x44
240
241 /* Base configuration ports */
242 #define SMC66x_CSR 0x3F0
243 #define SMC666_CSR 0x370 /* hard-configured value for 666 */
244
245 /* Bits */
246 #define SMC_CR1_ADDR 0x3 /* bit 0 and 1 */
247 #define SMC_CR1_MODE (1<<3) /* bit 3 */
248 #define SMC_CR4_EMODE 0x3 /* bits 0 and 1 */
249 #define SMC_CR4_EPPTYPE (1<<6) /* bit 6 */
250
251 /* Extended modes */
252 #define SMC_SPP 0x0 /* SPP */
253 #define SMC_EPPSPP 0x1 /* EPP and SPP */
254 #define SMC_ECP 0x2 /* ECP */
255 #define SMC_ECPEPP 0x3 /* ECP and EPP */
256
257 /*
258 * Register defines for the SMC FDC37C935 parts
259 */
260
261 /* Configuration ports */
262 #define SMC935_CFG 0x370
263 #define SMC935_IND 0x370
264 #define SMC935_DAT 0x371
265
266 /* Registers */
267 #define SMC935_LOGDEV 0x7
268 #define SMC935_ID 0x20
269 #define SMC935_PORTHI 0x60
270 #define SMC935_PORTLO 0x61
271 #define SMC935_PPMODE 0xf0
272
273 /* Parallel port modes */
274 #define SMC935_SPP 0x38 + 0
275 #define SMC935_EPP19SPP 0x38 + 1
276 #define SMC935_ECP 0x38 + 2
277 #define SMC935_ECPEPP19 0x38 + 3
278 #define SMC935_CENT 0x38 + 4
279 #define SMC935_EPP17SPP 0x38 + 5
280 #define SMC935_UNUSED 0x38 + 6
281 #define SMC935_ECPEPP17 0x38 + 7
282
283 /*
284 * Register defines for the Winbond W83877F parts
285 */
286
287 #define WINB_W83877F_ID 0xa
288 #define WINB_W83877AF_ID 0xb
289
290 /* Configuration bits */
291 #define WINB_HEFERE (1<<5) /* CROC bit 5 */
292 #define WINB_HEFRAS (1<<0) /* CR16 bit 0 */
293
294 #define WINB_PNPCVS (1<<2) /* CR16 bit 2 */
295 #define WINB_CHIPID 0xf /* CR9 bits 0-3 */
296
297 #define WINB_PRTMODS0 (1<<2) /* CR0 bit 2 */
298 #define WINB_PRTMODS1 (1<<3) /* CR0 bit 3 */
299 #define WINB_PRTMODS2 (1<<7) /* CR9 bit 7 */
300
301 /* W83877F modes: CR9/bit7 | CR0/bit3 | CR0/bit2 */
302 #define WINB_W83757 0x0
303 #define WINB_EXTFDC 0x4
304 #define WINB_EXTADP 0x8
305 #define WINB_EXT2FDD 0xc
306 #define WINB_JOYSTICK 0x80
307
308 #define WINB_PARALLEL 0x80
309 #define WINB_EPP_SPP 0x4
310 #define WINB_ECP 0x8
311 #define WINB_ECP_EPP 0xc
312
313 #endif /* __ATPPCREG_H */
314