1/* $NetBSD: atppcreg.h,v 1.3.4.4 2005/03/04 16:41:26 skrll 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/* These are defined in man pages but don't actually exist for all acrhs */
191#define atppc_barrier_rr(atppc) bus_space_barrier((atppc)->sc_iot, \
192	(atppc)->sc_ioh, 0, IO_LPTSIZE, BUS_SPACE_BARRIER_READ_BEFORE_READ)
193#define atppc_barrier_rw(atppc) bus_space_barrier((atppc)->sc_iot, \
194	(atppc)->sc_ioh, 0, IO_LPTSIZE, BUS_SPACE_BARRIER_READ_BEFORE_WRITE)
195#define atppc_barrier_rb(atppc) bus_space_barrier((atppc)->sc_iot, \
196	(atppc)->sc_ioh, 0, IO_LPTSIZE, BUS_SPACE_BARRIER_READ_BEFORE_READ | \
197	BUS_SPACE_BARRIER_READ_BEFORE_WRITE)
198#define atppc_barrier_wr(atppc) bus_space_barrier((atppc)->sc_iot, \
199	(atppc)->sc_ioh, 0, IO_LPTSIZE, BUS_SPACE_BARRIER_WRITE_BEFORE_READ)
200#define atppc_barrier_ww(atppc) bus_space_barrier((atppc)->sc_iot, \
201	(atppc)->sc_ioh, 0, IO_LPTSIZE, BUS_SPACE_BARRIER_WRITE_BEFORE_WRITE)
202#define atppc_barrier_wb(atppc) bus_space_barrier((atppc)->sc_iot, \
203	(atppc)->sc_ioh, 0, IO_LPTSIZE, BUS_SPACE_BARRIER_WRITE_BEFORE_READ | \
204	BUS_SPACE_BARRIER_WRITE_BEFORE_WRITE)
205#define atppc_barrier_sync(atppc) bus_space_barrier((atppc)->sc_iot, \
206	(atppc)->sc_ioh, 0, IO_LPTSIZE, BUS_SPACE_BARRIER_SYNC)
207
208/*
209 * Register defines for the PC873xx parts
210 */
211
212#define PC873_FER	0x00
213#define PC873_PPENABLE	(1<<0)
214#define PC873_FAR	0x01
215#define PC873_PTR	0x02
216#define PC873_CFGLOCK	(1<<6)
217#define PC873_EPPRDIR	(1<<7)
218#define PC873_EXTENDED	(1<<7)
219#define PC873_LPTBIRQ7	(1<<3)
220#define PC873_FCR	0x03
221#define PC873_ZWS	(1<<5)
222#define PC873_ZWSPWDN	(1<<6)
223#define PC873_PCR	0x04
224#define PC873_EPPEN	(1<<0)
225#define PC873_EPP19	(1<<1)
226#define PC873_ECPEN	(1<<2)
227#define PC873_ECPCLK	(1<<3)
228#define PC873_PMC	0x06
229#define PC873_TUP	0x07
230#define PC873_SID	0x08
231#define PC873_PNP0	0x1b
232#define PC873_PNP1	0x1c
233#define PC873_LPTBA	0x19
234
235/*
236 * Register defines for the SMC FDC37C66xGT parts
237 */
238
239/* Init codes */
240#define SMC665_iCODE	0x55
241#define SMC666_iCODE	0x44
242
243/* Base configuration ports */
244#define SMC66x_CSR	0x3F0
245#define SMC666_CSR	0x370		/* hard-configured value for 666 */
246
247/* Bits */
248#define SMC_CR1_ADDR	0x3		/* bit 0 and 1 */
249#define SMC_CR1_MODE	(1<<3)		/* bit 3 */
250#define SMC_CR4_EMODE	0x3		/* bits 0 and 1 */
251#define SMC_CR4_EPPTYPE	(1<<6)		/* bit 6 */
252
253/* Extended modes */
254#define SMC_SPP		0x0		/* SPP */
255#define SMC_EPPSPP	0x1		/* EPP and SPP */
256#define SMC_ECP		0x2 		/* ECP */
257#define SMC_ECPEPP	0x3		/* ECP and EPP */
258
259/*
260 * Register defines for the SMC FDC37C935 parts
261 */
262
263/* Configuration ports */
264#define SMC935_CFG	0x370
265#define SMC935_IND	0x370
266#define SMC935_DAT	0x371
267
268/* Registers */
269#define SMC935_LOGDEV	0x7
270#define SMC935_ID	0x20
271#define SMC935_PORTHI	0x60
272#define SMC935_PORTLO	0x61
273#define SMC935_PPMODE	0xf0
274
275/* Parallel port modes */
276#define SMC935_SPP	0x38 + 0
277#define SMC935_EPP19SPP	0x38 + 1
278#define SMC935_ECP	0x38 + 2
279#define SMC935_ECPEPP19	0x38 + 3
280#define SMC935_CENT	0x38 + 4
281#define SMC935_EPP17SPP	0x38 + 5
282#define SMC935_UNUSED	0x38 + 6
283#define SMC935_ECPEPP17	0x38 + 7
284
285/*
286 * Register defines for the Winbond W83877F parts
287 */
288
289#define WINB_W83877F_ID		0xa
290#define WINB_W83877AF_ID	0xb
291
292/* Configuration bits */
293#define WINB_HEFERE	(1<<5)		/* CROC bit 5 */
294#define WINB_HEFRAS	(1<<0)		/* CR16 bit 0 */
295
296#define WINB_PNPCVS	(1<<2)		/* CR16 bit 2 */
297#define WINB_CHIPID	0xf		/* CR9 bits 0-3 */
298
299#define WINB_PRTMODS0	(1<<2)		/* CR0 bit 2 */
300#define WINB_PRTMODS1	(1<<3)		/* CR0 bit 3 */
301#define WINB_PRTMODS2	(1<<7)		/* CR9 bit 7 */
302
303/* W83877F modes: CR9/bit7 | CR0/bit3 | CR0/bit2 */
304#define WINB_W83757	0x0
305#define WINB_EXTFDC	0x4
306#define WINB_EXTADP	0x8
307#define WINB_EXT2FDD	0xc
308#define WINB_JOYSTICK	0x80
309
310#define WINB_PARALLEL	0x80
311#define WINB_EPP_SPP	0x4
312#define WINB_ECP	0x8
313#define WINB_ECP_EPP	0xc
314
315#endif /* __ATPPCREG_H */
316