xref: /netbsd/sys/dev/ic/atppcreg.h (revision b8153789)
1 /* $NetBSD: atppcreg.h,v 1.6 2016/09/15 21:45:37 jdolecek Exp $ */
2 
3 /*-
4  * Copyright (c) 2001 Alcove - Nicolas Souchu
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * FreeBSD: src/sys/isa/ppcreg.h,v 1.10.2.4 2001/10/02 05:21:45 nsouch Exp
29  *
30  */
31 
32 #ifndef __ATPPCREG_H
33 #define __ATPPCREG_H
34 
35 /* Generic register definitions as offsets from a base address */
36 
37 #define ATPPC_SPP_DTR 		0	/* SPP data register */
38 #define ATPPC_ECP_A_FIFO	0	/* ECP Address fifo register */
39 #define ATPPC_SPP_STR		1	/* SPP status register */
40 #define ATPPC_SPP_CTR		2	/* SPP control register */
41 #define ATPPC_EPP_ADDR		3	/* EPP address register (8 bit) */
42 #define ATPPC_EPP_DATA		4	/* EPP data register (8, 16, 32 bit) */
43 #define ATPPC_ECP_D_FIFO	0x400	/* ECP Data fifo register */
44 #define ATPPC_ECP_CNFGA		0x400	/* Configuration register A */
45 #define ATPPC_ECP_CNFGB		0x401	/* Configuration register B */
46 #define ATPPC_ECP_ECR		0x402	/* ECP extended control register */
47 
48 /* ECP control register commands/modes */
49 #define ATPPC_FIFO_EMPTY	0x1	/* ecr register - bit 0 */
50 #define ATPPC_FIFO_FULL		0x2	/* ecr register - bit 1 */
51 #define ATPPC_SERVICE_INTR 	0x4	/* ecr register - bit 2 */
52 #define ATPPC_ENABLE_DMA	0x8	/* ecr register - bit 3 */
53 #define ATPPC_nFAULT_INTR	0x10	/* ecr register - bit 4 */
54 /* ecr register - bits 5 through 7 */
55 #define ATPPC_ECR_STD		0x00	/* Standard mode */
56 #define ATPPC_ECR_PS2		0x20	/* Bidirectional mode */
57 #define ATPPC_ECR_FIFO		0x40	/* Fast Centronics mode */
58 #define ATPPC_ECR_ECP		0x60	/* ECP mode */
59 #define ATPPC_ECR_EPP		0x80	/* EPP mode */
60 #define ATPPC_ECR_TST		0xd0	/* Test mode*/
61 #define ATPPC_ECR_CFG		0xe0	/* Test mode*/
62 
63 
64 
65 /* To set "inverted" flags, do AND. Otherwise, do OR */
66 /* 0 & x = 0, 1 | x = 1 */
67 
68 /* Clear flags: n(var) is equivalent to var = 0.
69 #define n(flags) (~(flags) & (flags))*/
70 
71 /* Invert flags
72 #define inv(flags) (~(flags))*/
73 
74 /* SPP mode control register bit positions. */
75 #define STROBE		0x01
76 #define AUTOFEED	0x02
77 #define nINIT		0x04
78 #define SELECTIN	0x08
79 #define IRQENABLE	0x10
80 #define PCD             0x20
81 
82 /*
83 #define nSTROBE		inv(STROBE)
84 #define nAUTOFEED	inv(AUTOFEED)
85 #define INIT		inv(nINIT)
86 #define nSELECTIN	inv(SELECTIN)
87 #define nPCD		inv(PCD)
88 */
89 
90 /* SPP status register bit positions. */
91 #define TIMEOUT         0x01
92 #define nFAULT          0x08
93 #define SELECT          0x10
94 #define PERROR          0x20
95 #define nACK            0x40
96 #define nBUSY           0x80
97 
98 /* Flags indicating ready condition */
99 #define SPP_READY (SELECT | nFAULT | nBUSY)
100 #define SPP_MASK (SELECT | nFAULT | PERROR | nBUSY)
101 
102 /* Byte mode signals */
103 #define HOSTCLK		STROBE /* Also ECP mode signal */
104 #define HOSTBUSY	AUTOFEED
105 #define ACTIVE1284	SELECTIN /* Also ECP mode signal */
106 #define PTRCLK		nACK
107 #define PTRBUSY		nBUSY
108 #define ACKDATAREQ	PERROR
109 #define XFLAG		SELECT /* Also ECP mode signal */
110 #define nDATAVAIL	nFAULT
111 
112 /* ECP mode signals */
113 #define HOSTACK		AUTOFEED
114 #define nREVREQ		nINIT
115 #define PERICLK		nACK
116 #define PERIACK		nBUSY
117 #define nACKREV		PERROR
118 #define nPERIREQ	nFAULT
119 
120 /* EPP mode signals */
121 #define nWRITE		STROBE
122 #define nDATASTB	AUTOFEED
123 #define nADDRSTB	SELECTIN
124 #define nWAIT		nBUSY
125 #define nRESET		nINIT
126 #define nINTR		nACK
127 
128 
129 /*
130  * Useful macros for reading/writing registers.
131  */
132 
133 /* Reading macros */
134 #define atppc_r_dtr(atppc) bus_space_read_1((atppc)->sc_iot, (atppc)->sc_ioh, \
135 	ATPPC_SPP_DTR)
136 #define atppc_r_str(atppc) bus_space_read_1((atppc)->sc_iot, (atppc)->sc_ioh, \
137 	ATPPC_SPP_STR)
138 #define atppc_r_ctr(atppc) bus_space_read_1((atppc)->sc_iot, (atppc)->sc_ioh, \
139 	ATPPC_SPP_CTR)
140 #define atppc_r_eppA(atppc) bus_space_read_1((atppc)->sc_iot, (atppc)->sc_ioh,\
141 	ATPPC_EPP_ADDR)
142 #define atppc_r_eppD(atppc) bus_space_read_1((atppc)->sc_iot, (atppc)->sc_ioh,\
143 	ATPPC_EPP_DATA)
144 #define atppc_r_eppD_multi(atppc, buf, count) bus_space_read_multi_1( \
145 	(atppc)->sc_iot, (atppc)->sc_ioh, ATPPC_EPP_DATA, (buf), (count))
146 #define atppc_r_cnfgA(atppc) bus_space_read_1((atppc)->sc_iot, (atppc)->sc_ioh,\
147 	ATPPC_ECP_CNFGA)
148 #define atppc_r_cnfgB(atppc) bus_space_read_1((atppc)->sc_iot, (atppc)->sc_ioh,\
149 	ATPPC_ECP_CNFGB)
150 #define atppc_r_ecr(atppc) bus_space_read_1((atppc)->sc_iot, (atppc)->sc_ioh, \
151 	ATPPC_ECP_ECR)
152 #define atppc_r_fifo(atppc) bus_space_read_1((atppc)->sc_iot, (atppc)->sc_ioh, \
153 	ATPPC_ECP_D_FIFO)
154 #define atppc_r_fifo_multi(atppc, buf, count) bus_space_read_multi_1( \
155 	(atppc)->sc_iot, (atppc)->sc_ioh, ATPPC_ECP_D_FIFO, (buf), (count))
156 
157 /* Writing macros */
158 #define atppc_w_dtr(atppc, byte) bus_space_write_1((atppc)->sc_iot, \
159 	(atppc)->sc_ioh, ATPPC_SPP_DTR, (byte))
160 #define atppc_w_str(atppc, byte) bus_space_write_1((atppc)->sc_iot, \
161 	(atppc)->sc_ioh, ATPPC_SPP_STR, (byte))
162 #define atppc_w_ctr(atppc, byte) bus_space_write_1((atppc)->sc_iot, \
163 	(atppc)->sc_ioh, ATPPC_SPP_CTR, (byte))
164 #define atppc_w_eppA(atppc, byte) bus_space_write_1((atppc)->sc_iot, \
165 	(atppc)->sc_ioh, ATPPC_EPP_ADDR, (byte))
166 #define atppc_w_eppD(atppc, byte) bus_space_write_1((atppc)->sc_iot, \
167 	(atppc)->sc_ioh, ATPPC_EPP_DATA, (byte))
168 #define atppc_w_eppD_multi(atppc, buf, count) bus_space_write_multi_1( \
169 	(atppc)->sc_iot, (atppc)->sc_ioh, ATPPC_EPP_DATA, (buf), (count))
170 #define atppc_w_cnfgA(atppc, byte) bus_space_write_1((atppc)->sc_iot, \
171 	(atppc)->sc_ioh, ATPPC_ECP_CNFGA, (byte))
172 #define atppc_w_cnfgB(atppc, byte) bus_space_read_1((atppc)->sc_iot, \
173 	(atppc)->sc_ioh, ATPPC_ECP_CNFGB, (byte))
174 #define atppc_w_ecr(atppc, byte) bus_space_write_1((atppc)->sc_iot, \
175 	(atppc)->sc_ioh, ATPPC_ECP_ECR, (byte))
176 #define atppc_w_fifo(atppc, byte) bus_space_write_1((atppc)->sc_iot, \
177 	(atppc)->sc_ioh, ATPPC_ECP_D_FIFO, (byte))
178 #define atppc_w_fifo_multi(atppc, buf, count) bus_space_write_multi_1( \
179 	(atppc)->sc_iot, (atppc)->sc_ioh, ATPPC_ECP_D_FIFO, (buf), (count))
180 
181 /* Barrier macros for reads/writes */
182 #define atppc_barrier_r(atppc) bus_space_barrier((atppc)->sc_iot, \
183 	(atppc)->sc_ioh, 0, IO_LPTSIZE, BUS_SPACE_BARRIER_READ)
184 #define atppc_barrier_w(atppc) bus_space_barrier((atppc)->sc_iot, \
185 	(atppc)->sc_ioh, 0, IO_LPTSIZE, BUS_SPACE_BARRIER_WRITE)
186 #define atppc_barrier(atppc) bus_space_barrier((atppc)->sc_iot, \
187 	(atppc)->sc_ioh, 0, IO_LPTSIZE, BUS_SPACE_BARRIER_WRITE | \
188 	BUS_SPACE_BARRIER_READ)
189 
190 /*
191  * Register defines for the PC873xx parts
192  */
193 
194 #define PC873_FER	0x00
195 #define PC873_PPENABLE	(1<<0)
196 #define PC873_FAR	0x01
197 #define PC873_PTR	0x02
198 #define PC873_CFGLOCK	(1<<6)
199 #define PC873_EPPRDIR	(1<<7)
200 #define PC873_EXTENDED	(1<<7)
201 #define PC873_LPTBIRQ7	(1<<3)
202 #define PC873_FCR	0x03
203 #define PC873_ZWS	(1<<5)
204 #define PC873_ZWSPWDN	(1<<6)
205 #define PC873_PCR	0x04
206 #define PC873_EPPEN	(1<<0)
207 #define PC873_EPP19	(1<<1)
208 #define PC873_ECPEN	(1<<2)
209 #define PC873_ECPCLK	(1<<3)
210 #define PC873_PMC	0x06
211 #define PC873_TUP	0x07
212 #define PC873_SID	0x08
213 #define PC873_PNP0	0x1b
214 #define PC873_PNP1	0x1c
215 #define PC873_LPTBA	0x19
216 
217 /*
218  * Register defines for the SMC FDC37C66xGT parts
219  */
220 
221 /* Init codes */
222 #define SMC665_iCODE	0x55
223 #define SMC666_iCODE	0x44
224 
225 /* Base configuration ports */
226 #define SMC66x_CSR	0x3F0
227 #define SMC666_CSR	0x370		/* hard-configured value for 666 */
228 
229 /* Bits */
230 #define SMC_CR1_ADDR	0x3		/* bit 0 and 1 */
231 #define SMC_CR1_MODE	(1<<3)		/* bit 3 */
232 #define SMC_CR4_EMODE	0x3		/* bits 0 and 1 */
233 #define SMC_CR4_EPPTYPE	(1<<6)		/* bit 6 */
234 
235 /* Extended modes */
236 #define SMC_SPP		0x0		/* SPP */
237 #define SMC_EPPSPP	0x1		/* EPP and SPP */
238 #define SMC_ECP		0x2 		/* ECP */
239 #define SMC_ECPEPP	0x3		/* ECP and EPP */
240 
241 /*
242  * Register defines for the SMC FDC37C935 parts
243  */
244 
245 /* Configuration ports */
246 #define SMC935_CFG	0x370
247 #define SMC935_IND	0x370
248 #define SMC935_DAT	0x371
249 
250 /* Registers */
251 #define SMC935_LOGDEV	0x7
252 #define SMC935_ID	0x20
253 #define SMC935_PORTHI	0x60
254 #define SMC935_PORTLO	0x61
255 #define SMC935_PPMODE	0xf0
256 
257 /* Parallel port modes */
258 #define SMC935_SPP	0x38 + 0
259 #define SMC935_EPP19SPP	0x38 + 1
260 #define SMC935_ECP	0x38 + 2
261 #define SMC935_ECPEPP19	0x38 + 3
262 #define SMC935_CENT	0x38 + 4
263 #define SMC935_EPP17SPP	0x38 + 5
264 #define SMC935_UNUSED	0x38 + 6
265 #define SMC935_ECPEPP17	0x38 + 7
266 
267 /*
268  * Register defines for the Winbond W83877F parts
269  */
270 
271 #define WINB_W83877F_ID		0xa
272 #define WINB_W83877AF_ID	0xb
273 
274 /* Configuration bits */
275 #define WINB_HEFERE	(1<<5)		/* CROC bit 5 */
276 #define WINB_HEFRAS	(1<<0)		/* CR16 bit 0 */
277 
278 #define WINB_PNPCVS	(1<<2)		/* CR16 bit 2 */
279 #define WINB_CHIPID	0xf		/* CR9 bits 0-3 */
280 
281 #define WINB_PRTMODS0	(1<<2)		/* CR0 bit 2 */
282 #define WINB_PRTMODS1	(1<<3)		/* CR0 bit 3 */
283 #define WINB_PRTMODS2	(1<<7)		/* CR9 bit 7 */
284 
285 /* W83877F modes: CR9/bit7 | CR0/bit3 | CR0/bit2 */
286 #define WINB_W83757	0x0
287 #define WINB_EXTFDC	0x4
288 #define WINB_EXTADP	0x8
289 #define WINB_EXT2FDD	0xc
290 #define WINB_JOYSTICK	0x80
291 
292 #define WINB_PARALLEL	0x80
293 #define WINB_EPP_SPP	0x4
294 #define WINB_ECP	0x8
295 #define WINB_ECP_EPP	0xc
296 
297 #endif /* __ATPPCREG_H */
298