xref: /freebsd/sys/dev/ppc/ppcreg.h (revision a9148abd9da5db2f1c682fb17bed791845fc41c9)
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  * $FreeBSD$
27  *
28  */
29 #ifndef __PPCREG_H
30 #define __PPCREG_H
31 
32 /*
33  * Parallel Port Chipset type.
34  */
35 #define SMC_LIKE	0
36 #define SMC_37C665GT	1
37 #define SMC_37C666GT	2
38 #define NS_PC87332	3
39 #define NS_PC87306	4
40 #define INTEL_820191AA	5	/* XXX not implemented */
41 #define GENERIC		6
42 #define WINB_W83877F	7
43 #define WINB_W83877AF	8
44 #define WINB_UNKNOWN	9
45 #define NS_PC87334	10
46 #define SMC_37C935	11
47 #define NS_PC87303	12
48 
49 /*
50  * Parallel Port Chipset Type. SMC versus GENERIC (others)
51  */
52 #define PPC_TYPE_SMCLIKE 0
53 #define PPC_TYPE_GENERIC 1
54 
55 /*
56  * Generic structure to hold parallel port chipset info.
57  */
58 struct ppc_data {
59 	device_t ppc_dev;
60 	int ppc_model;		/* chipset model if detected */
61 	int ppc_type;		/* generic or smclike chipset type */
62 
63 	int ppc_mode;		/* chipset current mode */
64 	int ppc_avm;		/* chipset available modes */
65 	int ppc_dtm;		/* chipset detected modes */
66 
67 #define PPC_IRQ_NONE		0x0
68 #define PPC_IRQ_nACK		0x1
69 #define PPC_IRQ_DMA		0x2
70 #define PPC_IRQ_FIFO		0x4
71 #define PPC_IRQ_nFAULT		0x8
72 	int ppc_irqstat;	/* remind irq settings */
73 
74 #define PPC_DMA_INIT		0x01
75 #define PPC_DMA_STARTED		0x02
76 #define PPC_DMA_COMPLETE	0x03
77 #define PPC_DMA_INTERRUPTED	0x04
78 #define PPC_DMA_ERROR		0x05
79 	int ppc_dmastat;	/* dma state */
80 	int ppc_dmachan;	/* dma channel */
81 	int ppc_dmaflags;	/* dma transfer flags */
82 	caddr_t ppc_dmaddr;	/* buffer address */
83 	u_int ppc_dmacnt;	/* count of bytes sent with dma */
84 	void (*ppc_dmadone)(struct ppc_data*);
85 
86 #define PPC_PWORD_MASK	0x30
87 #define PPC_PWORD_16	0x00
88 #define PPC_PWORD_8	0x10
89 #define PPC_PWORD_32	0x20
90 	char ppc_pword;		/* PWord size */
91 	short ppc_fifo;		/* FIFO threshold */
92 
93 	short ppc_wthr;		/* writeIntrThresold */
94 	short ppc_rthr;		/* readIntrThresold */
95 
96 	char *ppc_ptr;		/* microseq current pointer */
97 	int ppc_accum;		/* microseq accumulator */
98 	int ppc_base;		/* parallel port base address */
99 	int ppc_epp;		/* EPP mode (1.7 or 1.9) */
100 	int ppc_irq;
101 
102 	unsigned char ppc_flags;
103 
104 	device_t ppbus;		/* parallel port chipset corresponding ppbus */
105 
106   	int rid_irq, rid_drq, rid_ioport;
107 	struct resource *res_irq, *res_drq, *res_ioport;
108 
109 	void *intr_cookie;
110 
111 	struct intr_event *ppc_intr_event;
112 	int ppc_child_handlers;
113 };
114 
115 /*
116  * Parallel Port Chipset registers.
117  */
118 #define PPC_SPP_DTR	0	/* SPP data register */
119 #define PPC_ECP_A_FIFO	0	/* ECP Address fifo register */
120 #define PPC_SPP_STR	1	/* SPP status register */
121 #define PPC_SPP_CTR	2	/* SPP control register */
122 #define PPC_EPP_ADDR	3	/* EPP address register (8 bit) */
123 #define PPC_EPP_DATA	4	/* EPP data register (8, 16 or 32 bit) */
124 #if defined(__i386__) && defined(PC98)
125 #define PPC_1284_ENABLE	0x09	/* IEEE STD 1284 Enable register */
126 #define PPC_ECP_D_FIFO	0x0c	/* ECP Data fifo register */
127 #define PPC_ECP_CNFGA	0x0c	/* Configuration register A */
128 #define PPC_ECP_CNFGB	0x0d	/* Configuration register B */
129 #define PPC_ECP_ECR	0x0e	/* ECP extended control register */
130 #else
131 #define PPC_ECP_D_FIFO	0x400	/* ECP Data fifo register */
132 #define PPC_ECP_CNFGA	0x400	/* Configuration register A */
133 #define PPC_ECP_CNFGB	0x401	/* Configuration register B */
134 #define PPC_ECP_ECR	0x402	/* ECP extended control register */
135 #endif
136 
137 #define PPC_FIFO_EMPTY	0x1	/* ecr register - bit 0 */
138 #define PPC_FIFO_FULL	0x2	/* ecr register - bit 1 */
139 #define PPC_SERVICE_INTR 0x4	/* ecr register - bit 2 */
140 #define PPC_ENABLE_DMA	0x8	/* ecr register - bit 3 */
141 #define PPC_nFAULT_INTR	0x10	/* ecr register - bit 4 */
142 #define PPC_ECR_STD	0x0
143 #define PPC_ECR_PS2	0x20
144 #define PPC_ECR_FIFO	0x40
145 #define PPC_ECR_ECP	0x60
146 #define PPC_ECR_EPP	0x80
147 
148 #define PPC_DISABLE_INTR	(PPC_SERVICE_INTR | PPC_nFAULT_INTR)
149 #define PPC_ECR_RESET		(PPC_ECR_PS2 | PPC_DISABLE_INTR)
150 
151 #define r_dtr(ppc) (bus_read_1((ppc)->res_ioport, PPC_SPP_DTR))
152 #define r_str(ppc) (bus_read_1((ppc)->res_ioport, PPC_SPP_STR))
153 #define r_ctr(ppc) (bus_read_1((ppc)->res_ioport, PPC_SPP_CTR))
154 
155 #define r_epp_A(ppc) (bus_read_1((ppc)->res_ioport, PPC_EPP_ADDR))
156 #define r_epp_D(ppc) (bus_read_1((ppc)->res_ioport, PPC_EPP_DATA))
157 #define r_cnfgA(ppc) (bus_read_1((ppc)->res_ioport, PPC_ECP_CNFGA))
158 #define r_cnfgB(ppc) (bus_read_1((ppc)->res_ioport, PPC_ECP_CNFGB))
159 #define r_ecr(ppc) (bus_read_1((ppc)->res_ioport, PPC_ECP_ECR))
160 #define r_fifo(ppc) (bus_read_1((ppc)->res_ioport, PPC_ECP_D_FIFO))
161 
162 #define w_dtr(ppc, byte) (bus_write_1((ppc)->res_ioport, PPC_SPP_DTR, byte))
163 #define w_str(ppc, byte) (bus_write_1((ppc)->res_ioport, PPC_SPP_STR, byte))
164 #define w_ctr(ppc, byte) (bus_write_1((ppc)->res_ioport, PPC_SPP_CTR, byte))
165 
166 #define w_epp_A(ppc, byte) (bus_write_1((ppc)->res_ioport, PPC_EPP_ADDR, byte))
167 #define w_epp_D(ppc, byte) (bus_write_1((ppc)->res_ioport, PPC_EPP_DATA, byte))
168 #define w_ecr(ppc, byte) (bus_write_1((ppc)->res_ioport, PPC_ECP_ECR, byte))
169 #define w_fifo(ppc, byte) (bus_write_1((ppc)->res_ioport, PPC_ECP_D_FIFO, byte))
170 
171 /*
172  * Register defines for the PC873xx parts
173  */
174 
175 #define PC873_FER	0x00
176 #define PC873_PPENABLE	(1<<0)
177 #define PC873_FAR	0x01
178 #define PC873_PTR	0x02
179 #define PC873_CFGLOCK	(1<<6)
180 #define PC873_EPPRDIR	(1<<7)
181 #define PC873_EXTENDED	(1<<7)
182 #define PC873_LPTBIRQ7	(1<<3)
183 #define PC873_FCR	0x03
184 #define PC873_ZWS	(1<<5)
185 #define PC873_ZWSPWDN	(1<<6)
186 #define PC873_PCR	0x04
187 #define PC873_EPPEN	(1<<0)
188 #define PC873_EPP19	(1<<1)
189 #define PC873_ECPEN	(1<<2)
190 #define PC873_ECPCLK	(1<<3)
191 #define PC873_PMC	0x06
192 #define PC873_TUP	0x07
193 #define PC873_SID	0x08
194 #define PC873_PNP0	0x1b
195 #define PC873_PNP1	0x1c
196 #define PC873_LPTBA	0x19
197 
198 /*
199  * Register defines for the SMC FDC37C66xGT parts
200  */
201 
202 /* Init codes */
203 #define SMC665_iCODE	0x55
204 #define SMC666_iCODE	0x44
205 
206 /* Base configuration ports */
207 #define SMC66x_CSR	0x3F0
208 #define SMC666_CSR	0x370		/* hard-configured value for 666 */
209 
210 /* Bits */
211 #define SMC_CR1_ADDR	0x3		/* bit 0 and 1 */
212 #define SMC_CR1_MODE	(1<<3)		/* bit 3 */
213 #define SMC_CR4_EMODE	0x3		/* bits 0 and 1 */
214 #define SMC_CR4_EPPTYPE	(1<<6)		/* bit 6 */
215 
216 /* Extended modes */
217 #define SMC_SPP		0x0		/* SPP */
218 #define SMC_EPPSPP	0x1		/* EPP and SPP */
219 #define SMC_ECP		0x2 		/* ECP */
220 #define SMC_ECPEPP	0x3		/* ECP and EPP */
221 
222 /*
223  * Register defines for the SMC FDC37C935 parts
224  */
225 
226 /* Configuration ports */
227 #define SMC935_CFG	0x370
228 #define SMC935_IND	0x370
229 #define SMC935_DAT	0x371
230 
231 /* Registers */
232 #define SMC935_LOGDEV	0x7
233 #define SMC935_ID	0x20
234 #define SMC935_PORTHI	0x60
235 #define SMC935_PORTLO	0x61
236 #define SMC935_PPMODE	0xf0
237 
238 /* Parallel port modes */
239 #define SMC935_SPP	0x38 + 0
240 #define SMC935_EPP19SPP	0x38 + 1
241 #define SMC935_ECP	0x38 + 2
242 #define SMC935_ECPEPP19	0x38 + 3
243 #define SMC935_CENT	0x38 + 4
244 #define SMC935_EPP17SPP	0x38 + 5
245 #define SMC935_UNUSED	0x38 + 6
246 #define SMC935_ECPEPP17	0x38 + 7
247 
248 /*
249  * Register defines for the Winbond W83877F parts
250  */
251 
252 #define WINB_W83877F_ID		0xa
253 #define WINB_W83877AF_ID	0xb
254 
255 /* Configuration bits */
256 #define WINB_HEFERE	(1<<5)		/* CROC bit 5 */
257 #define WINB_HEFRAS	(1<<0)		/* CR16 bit 0 */
258 
259 #define WINB_PNPCVS	(1<<2)		/* CR16 bit 2 */
260 #define WINB_CHIPID	0xf		/* CR9 bits 0-3 */
261 
262 #define WINB_PRTMODS0	(1<<2)		/* CR0 bit 2 */
263 #define WINB_PRTMODS1	(1<<3)		/* CR0 bit 3 */
264 #define WINB_PRTMODS2	(1<<7)		/* CR9 bit 7 */
265 
266 /* W83877F modes: CR9/bit7 | CR0/bit3 | CR0/bit2 */
267 #define WINB_W83757	0x0
268 #define WINB_EXTFDC	0x4
269 #define WINB_EXTADP	0x8
270 #define WINB_EXT2FDD	0xc
271 #define WINB_JOYSTICK	0x80
272 
273 #define WINB_PARALLEL	0x80
274 #define WINB_EPP_SPP	0x4
275 #define WINB_ECP	0x8
276 #define WINB_ECP_EPP	0xc
277 
278 #endif
279